Air conditioning Systems
Transcription
Air conditioning Systems
Operation manual and installation instructions ENGLISH Air conditioning systems AIRCO03 AIRCO05 AIRCO10 AIRCO15 C o p y r i g h t © 2 0 0 2 , 2 0 0 3 Ve t u s d e n O u d e n n . v. S c h i e d a m H o l l a n d Handboeken / Manuals / Handbücher / Manuels / Manuales / Manuali 13.0101 13.0102 13.0103 13.0104 Art.code Omschrijving I.AIRCONL Bedieningshandleiding en installatieinstructies ‘Luchtbehandelingssystemen’ Art.code Description I.AIRCOE Operation manual and installation instructions ‘Air conditioning systems’ Art.-Kode Beschreibung I.AIRCOD Bedienungshandbuch und Einbauanleitung ‘Klimaanlagen’ Code d’art. Description I.AIRCOF Manuel d’utilisation et instructions d’installation ‘Systèmes de traitement de l’air’ (Nederlands) (English) (Deutsch) (Français) Código de art. Descripción 13.0105 13.0106 I.AIRCOS Manual de manejo y instrucciones de instalación ‘Sistemas para tratamiento de aire’ (Español) Art.codice Descrizione I.AIRCOI Manuale per l’uso e istruzioni per l’installazione ‘Sistemi di condizionamento’ (Italiano) Dit produkt voldoet aan de vereisten van EG-richtlijnen: This product conforms to the EEC Guideline requirements: • EN 50081-2 (1993) (EMC, Emission) Dieses Produkt erfüllt die Anforderungen der folgenden EU-Richtlinien: • EN 61000-6-2 (1999) (EMC, Immunity) Ce produit répond aux normes de la directive CE : • EN 61000-3-2 (1995) (Harmonics) Este producto cumple las normas de la directiva CE: • EN 61000-3-3 (1995) (Flicker) Questo prodotto è conforme alle direttive comunitarie: 2 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Installation 4.0 Description of the system . . . . . . . . . . . . . . . . . 6 4.1 4.1.1 4.1.2 4.1.3 4.1.4 4.1.5 4.1.6 System cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Scope of supply . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Cooling water circuit . . . . . . . . . . . . . . . . . . . . . . . 8 Connections for liquid pipes . . . . . . . . . . . . . . . 10 Condensation water drain . . . . . . . . . . . . . . . . . 15 Electrical connections . . . . . . . . . . . . . . . . . . . . 11 4.2 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.2.6 4.2.7 Fan-coil units . . . . . . . . . . . . . . . . . . . . . . . . . . . Scope of supply . . . . . . . . . . . . . . . . . . . . . . . . . Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air intake grating . . . . . . . . . . . . . . . . . . . . . . . . Air outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air outlet grating, air hose . . . . . . . . . . . . . . . . . Condensation water drain . . . . . . . . . . . . . . . . . Electrical connections . . . . . . . . . . . . . . . . . . . . 4.3 Liquid filled closed circuit . . . . . . . . . . . . . . . . 17 4.4 4.4.1 4.4.2 4.4.3 Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Scope of supply . . . . . . . . . . . . . . . . . . . . . . . . . 19 Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.5 Taking into service . . . . . . . . . . . . . . . . . . . . . . 22 5 Maintenance 5.1 5.2 5.3 5.4 5.5 Cleaning raw water filter . . . . . . . . . . . . . . . . . . . 24 Air intake filter, fan-coil unit . . . . . . . . . . . . . . . . 24 Cleaning condensation water drain, fan-coil units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Cleaning raw water system . . . . . . . . . . . . . . . . 24 Laying up for winter . . . . . . . . . . . . . . . . . . . . . . 24 6 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . 26 7.1 7.2 Cooling liquid specification . . . . . . . . . . . . . . . . 27 Quantity of cooling liquid required . . . . . . . . . . . 27 8 Overall dimensions . . . . . . . . . . . . . . . . . . . . 28 9 Wiring diagrams . . . . . . . . . . . . . . . . . . . . . . 30 Tables 1 2 3 Voltage, power consumption and fuses . . . . . . . . . 11 Capacity of water cooled condenser . . . . . . . . . . . . 24 Average values for the quantity of cooling liquid required for a complete installation . . . . . . . . . . . . . 26 Diagrams 1 2 3 4 5 6 7 Raw water system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Connections to system cabinet, AIRCO03 and AIRCO05 . . . . . . . . . . . . . . . . . . . . . . 12 Connections to system cabinet, AIRCO10 and AIRCO15 . . . . . . . . . . . . . . . . . . . . . . 13 Connections to fan-coil units . . . . . . . . . . . . . . . . . . 16 Installation example closed cooling liquid circuit . . .18 Thermostat connections . . . . . . . . . . . . . . . . . . . . . 19 Connecting thermostats together and to the control pcb in the system cabinet . . . . . . . . . . . . . . 21 14 14 14 14 15 15 15 16 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 3 1 Introduction The operation, installation, taking into service and maintenance of the air conditioning installation is described in this manual, together with a description and explanation of the working of the unit. No special tools are required for the installation and neither is there a need for specific cooling technique knowledge. The complete cooling installation is already installed and taken into service. 2 Safety precautions You will find this symbol by any notes concerning safety. Follow the instructions carefully. Pass on the safety precautions to other persons who may maintain the air conditioning installation. General rules and regulations concerning safety and the prevention of accidents must also be adhered to. Please read this manual carefully and take note of the usage, installation and maintenance pointers given. This will allow you to avoid breakdowns and accidents and retain your guarantee rights while keeping your air conditioning unit in a perfect state of maintenance. • Never touch moving parts of the installation while it is in operation. The air conditioning unit is exclusively intended for application as specified in the Vetus documentation. Any other usage is in breach of this purpose and the manufacturer then accepts no liability for any damage arising. All risks are then exclusively for the user. • Disconnect the air conditioning unit before checking parts of it or making adjustments. Correct usage also entails adhering to the instructions for operation, maintenance and repair as specified by the manufacturer. The cooling installation in the system cabinet may only be maintained and repaired by persons who are legally authorised to do so. • The positive connection must be disconnected from the battery and attached to earth before carrying out any welding work. • Never touch hot parts in the system cabinet and never place inflammable materials in the vicinity of the system cabinet. • Carry out maintenance work safely by only using appropriate tools. The regulations designed to prevent accidents and other generally accepted safety and operational regulations must be adhered to. Unauthorised changes to the air conditioning installation excludes the manufacturer from responsibility for any ensuing damage. We are available for any queries you may have. Vetus den Ouden n.v. 4 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 3 Operating 1 2 3 4 5 AIRCO Switching on 22 24 20 If the cooling function is required: • Switch on the power using the main switch. • Switch on the battery main switch. The LEDs 'Stand by' on all thermostats and on the system cabinet will now light up. • Open the sea cock. 26 18 o C vetus® VAC0001 1 2 3 4 5 If the heating function is required: • Switch on the battery main switch. The LEDs 'Stand by' on all thermostats and on the system cabinet will now light up. • Open the fuel supply shut-off valve. Fan speed control button Temperature setting button On/off switch ‘cooling’ LED ‘cooling' LED ‘stand by' Press the on/off switch briefly on one of the thermostats in order to switch on the cooling system and the fan(s) of the fan-coil unit(s) in the room in which the thermostat is situated. The LED ‘cooling’ will now also light up. The fans of the fan-coil units will not be switched on in any other rooms. Only the LED ‘Stand by’ will remain alight. Control panel system cabinet VAC0066 Use the on/off switch on the thermostat in all other rooms in order to switch on the fan there also. AIRCO CIRCULATION PUMP Regulating Use button (2) to set the desired temperature. The fan is switched off when a room has reached the desired temperature. Button (1) can be used to set (lower) the speed of the fan for more comfort. It takes longer for the room to reach a particular temperature when the fan speed is lower. ALARM STAND BY COOL vetus® Switching off Switch off the fan/thermostat function by using the on/off switch again. The cooling system is only switched off after all thermostats have been switched off. A control panel is situated on the system cabinet. This panel shows whether the system is on ‘Stand by’ or whether the cooling or heating function has been chosen on one or more thermostats. This switch allows a choice to be made between normal operation or operation only of the circulation pump and the raw water pump. - Switch to the right: Normal operation. - Switch to the left: Only the circulation pump and the raw water pump are in operation. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 5 4 Installation 4.0 Description of the system There is a cooling system in the system cabinet which can cool a liquid to a temperature between 3 and 8°C. The cooled liquid circulates through the ship in a system of pipes. A thermostat in the system cabinet regulates the cooling system. The heat which is removed from the circulating liquid is transferred to the raw water. One or more so-called fan-coil units are situated in each room. A fan-coil unit can be regarded as a radiator with a fan; the fan causes a flow of air past the radiator. The circulating liquid flows through the radiator in the fan-coil unit. When the fan is turning the flow of air past the radiator will be cooled. The air conditioning system can only function if there is a mains power supply. The power supply (230 V alternating current) must be supplied by a generator set or from a mains power supply from the shore. One thermostat is fitted in each room. Even if there are more than one fan-coil units in the room there is still only one thermostat. The thermostat is used to set the desired temperature for that room. The temperature in the room is controlled by allowing the fan(s) to work or not. A connection to the (battery) ship’s circuit (12 or 24 V) is necessary for the control of the system. 4 Room 1 Room 2 Room 3 VAC0033 AIRCO 22 24 20 26 18 o C vetus® AIRCO 3 22 24 20 26 18 o C 2 2 vetus® 3 3 AIRCO 22 24 20 26 18 o C 2 2 7 vetus® 7 7 Pipes for closed cooling liquid circuit 1 8 7 AIRCO 3kW WL 6 6 13.0102 5 Pipes for raw water circuit Condensation water drain Electrical connections, number of cores 1 2 3 4 5 6 7 8 Airco system cabinet Fan-coil unit Thermostat Expansion tank Raw water filter Raw water pump Mains power 230 V AC Ship’s battery circuit 12 V or 24 V Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 4.1 System cabinet 4.1.1 Scope of supply AIRCO03, AIRCO05, AIRCO10, AIRCO15 1 System cabinet with vibration dampers. 2 Installation set for raw water intake consisting of: Through-hull fitting, sea cock, water filter, pump with fitting brackets and necessary fittings. 3 Installation set for overflow tank consisting of: Overflow tank with filler stopper and necessary fittings. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 7 4.1.2 Positioning Choose an easily accessible position for the system cabinet, free from bilge water. Make sure there is sufficient space around the system cabinet. When selecting a position make allowance for the cooling water intake. min. 100 mm min. 300 mm Prepare a solid base or console on a wall. Consider the stability when at sea bearing in mind the weight of the apparatus. Consult section 8 ‘Overall dimensions’ when determining the size of the base. The system cabinet must be positioned with the bottom parallel to the waterline. min. 600 mm Position the system cabinet on the vibration dampers delivered in order to prevent irritating vibration noise. 5 kW vetus® AIRCO VAC0003 4.1.3 Cooling water circuit The cooling system condenser is water cooled. The necessary raw water must be supplied by a separate pump. In order to protect the water pump from dirt the water must be drawn in through a through-hull fitting fitted with a water scoop and the cooling water filter which is supplied. A sea cock must be fitted onto the water intake (through-hull fitting with water scoop). After passing through the condenser the water is discharged outside through another through-hull fitting. Diagram 1, Raw water system AIRCO10 / AIRCO15 AIRCO03 / AIRCO05 5 5 WL 1 WL 1 3 3 4 1 2 3 4 5 8 Raw water pump 2 Through hull fitting with water scoop Cooling water filter Sea cock Through hull fitting 13.0102 4 VAC0042 2 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Through hull fitting, water intake Water filter WL 3/4" - 20 mm VAC0085 3/4" 3/4" VAC0086 VAC0008 VAC0088 VAC0087 Fit the water filter directly onto the sea cock. The water filter must be underneath the waterline; the water pump is not self-priming! Water pump The water intake (through hull fitting with water scoop) must be positioned where a continuous supply of water is guaranteed under all circumstances. Near the bow, where turbulence can be created at higher speeds, is a less suitable place. The intake must also remain under water if the ship rolls. If air is drawn in instead of water not only is there insufficient cooling but the water pump can also be damaged by running dry. 1/2" - 20 mm 1/2" - 1/2" 3/4" - 3/4" 3/4" - 20 mm WL VAC0007 VAC0009 Position the through hull fitting in such a way that the sea cock fitted can be reached easily in order to open or shut it. The water pump is not self-priming and must be fitted underneath the waterline. The capacity of the water pump depends on the lift height and decreases as this increases. The maximum lifting height is 3 m. Fit the through hull fitting with the grooves pointing forwards. Use a sealer when fitting the through-hull fitting. Fit the pump using the brackets supplied and with the OUT connection as shown in the drawing. Fit the hose columns using a liquid sealer (e.g. Loctite® 577 or Threebond® 1110B) or using teflon tape. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 9 Through hull fitting, water discharge 4.1.4 Connections for liquid pipes 3/4" - 20 mm WL 3/4" AIRCO03 / AIRCO05 VAC0054 VAC0010 Position the through hull fitting for the cooling water discharge on the waterline, since it is then not necessary to fit a sea cock to this through hull fitting. AIRCO10 / AIRCO15 Hose connections • Use flexible hoses, diameter 20 mm, for the connections between the water intake and discharge and the system cabinet. • Keep the hoses as short as possible and with as few bends as possible. See section 4.3, Closed liquid circuit, for notes and details with reference to the liquid pipes. Connect the liquid pipes to the hose columns as shown in diagram 5. 4.1.5 Condensation water drain • Make sure that the hoses do not put any pressure on the raw water pump housing. • Only use water and soap, thus no fatty or oily products, to make fitting the hoses to the hose connections easier. • Use 2 corrosion resistant steel hose clamps for each hose. After launching Check all connections for leakage immediately after launching. It is not necessary to bleed the system. As soon as the pump turns it will draw in water and fill the system. VAC0107 While the cooling installation is in operation condensation will form in the system cabinet and this condensation water must be discharged outside. Use hose with diameter of at least 10 mm for the condensation drain. The connection for the condensation drain is fitted with G 1/4” int. Use a hose pillar suitable for the hose diameter used. Always fit the hose downwards and without sharp bends. 10 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Connecting 4.1.6 Electrical connections to system cabinet The installation must be connected to both a generator set or power supply from the shore and to the batteries. The generator set or the power supply from the shore supplies the necessary energy for the cooling installation. A See table 1 for the power required. The voltage shown on the type label of the system cabinet (230 V) must be the same as that of the power supply. The battery supplies the necessary energy for the control of the installation. The system is suitable for both 12 Volt or 24 Volt. See table 1 , Voltage and power consumption, for the power consumption. VAC0011 Remove the cap, pull out plug ‘A’ (strip cable) in order to be able to take the cap off completely, and connect the system cabinet. Do not forget to put plug ‘A’ back again when replacing the cap. Connect the system cabinet as shown in the diagram. Table 1, Voltage, power consumption and fuses Type AIRCO03 AIRCO05 Generator set: AIRCO10 AIRCO15 Power, minimal: *) 1 x 230 V AC / 50 Hz 3 kVA 4,5 kVA 5 kVA 6 kVA 3 x 230/400 V AC / 50 Hz 8 kVA 13 kVA 13 kVA 13 kVA 1000 VA 1700 VA 3400 VA 5100 VA 16 A 16 A 16 A (3x) 16 A (3x) Consumption Fuse, slow blow Battery voltage: 12 V Consumption 3W Fuse, slow blow of 1A 24 V 12 V 6W 3W of 1A 24 V 12 V 6W 3W of 1A 24 V 12 V 6W 3W of 24 V 6W 1A *) For generators which can deliver a switching current for an electric motor of 2 x the nominal generator current. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 11 Diagram 2, Connections to system cabinet, AIRCO03 and AIRCO05 Connection to 1-phase generator set: 1 x 230 V AC / 50 Hz 12 - 24 V DC L N PE + – 20 A @ 12 V 15A @ 24 V 8 6 9 7 1,5 mm2 1,5 mm2 2 16 A 2,5 mm2 2,5 mm2 1 x 230 V AC 1 NL L N AIRCO03 AIRCO05 4 VAC0052 AIRCO 22 24 20 AIRCO 22 26 18 o vetus® C 24 20 AIRCO 22 26 18 24 20 o o 3 vetus® C 5 vetus® C 26 18 Connection to 3-phase generator set: 3 x 230/400 V AC / 50 Hz 12 - 24 V DC + – 1 2 3 4 5 6 7 8 9 Connection block, system cabinet Control pcb, system cabinet Thermostats Connection cable for thermostats, see 4.4.3 Raw water pump Fuse, slow blow Main switch Fuse, slow blow Control circuit switch 8 6 9 7 1,5 mm2 1,5 mm2 20 A @ 12 V 15A @ 24 V 16 A 2,5 mm2 2,5 mm2 3 x 230 / 400 V AC + 0 L1 L2 L3 N PE 2 NL L N AIRCO03 AIRCO05 1 4 VAC0053 AIRCO 22 24 20 AIRCO 22 24 20 26 18 o C vetus® AIRCO 22 26 18 24 20 o C 12 13.0102 o C 26 18 vetus® vetus® 3 5 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Diagram 3, Connections to system cabinet, AIRCO10 and AIRCO15 L N PE 6 mm2 1 x 230 V AC + – 12 - 24 V DC 8 6 mm2 Connection to 1-phase generator set: 1 x 230 V AC / 50 Hz 1A 16 A 9 1,5 mm2 1,5 mm2 VAC0050 6 2,5 mm2 2,5 mm2 2,5 mm2 2,5 mm2 2,5 mm2 2,5 mm2 7 2 1 NLNLNL 1 1 2 2 3 3 NL LN AIRCO10 AIRCO15 4 AIRCO 22 24 20 AIRCO 22 26 18 o 24 20 vetus® C AIRCO 22 26 18 24 20 o vetus® C 3 26 18 o vetus® C 10 5 Connection to 3-phase generator set: 3 x 230/400 V AC / 50 Hz + – 8 1,5 mm2 1,5 mm2 1 Connection block, system cabinet 2 Control pcb, system cabinet 3 Thermostats 4 Connection cable for thermostats, see 4.4.3 5 Raw water pump 6 Fuse, slow blow 7 Main switch 8 Fuse, slow blow 9 Control cicuit switch 10 Extra circulation pump 2,5 mm2 9 VAC0051 16 A 6 7 1A 2,5 mm2 12 - 24 V DC 2,5 mm2 2,5 mm2 3 x 230 / 400 V AC + 0 L1 L2 L3 N PE 2 1 NL LN 4 NLNLNL 1 1 2 2 3 3 AIRCO10 AIRCO15 AIRCO 22 24 20 AIRCO 22 26 18 24 20 o C vetus® AIRCO 22 26 18 24 20 o C 26 18 o C vetus® vetus® 3 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 10 5 13.0102 13 4.2 Fan-coil units 4.2.2 Positioning 4.2.1 Scope of supply The fan-coil units must be positioned in or nearby the rooms which are to be cooled. The fan-coil units should preferably be positioned a small distance above the deck, directly behind a partition in which there is an air intake grating. If this is not possible then make a duct from an air intake grating positioned low down to the air intake side of the fan-coil unit. The fan-coil units must be positioned with the bottom, the driptray, parallel to the waterline. 2 Fit the fan-coil unit against a partition. 1 VAC0089 1 Fan-coil unit with assembly supports, cable pull relief and necessary fittings. 2 T-pieces 25 - 16 - 25 mm VAC0043 4.2.3 Air intake grating 6 The air intake grating must have a net opening of at least 300 cm2. 5 An air filter, size 20 x 20 cm, is fitted on the intake side of the fancoil unit. Make sure that this air filter is readily accessible since this makes regular checking of the filter easy. (A dirty filter must be replaced.) Therefore it is preferable to use a grating with build-in dimensions of at least 20 x 20 cm. 4 1 2 VAC0021 1 2 3 4 14 Air intake grating Air filter Fan-coil unit Air outlet opening 13.0102 3 5 Insulated air hose 6 Air outlet grating Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 However, it is preferable to choose an air outlet grating with a larger net opening. This reduces the speed of the air being discharged and consequently reduces the noise level. 4.2.4 Air outlet The air outlet grating must be placed as high as possible and not directly next to an air intake grating. The air hose must be insulated in order to prevent condensation. VAC0018 C It is also possible to split the outlet hose into two, each with their own outlet grating. C A A A C 4.2.6 Condensation water drain C B A The air outlet opening of the fan-coil unit can be positioned in 3 different ways. The position of the opening can be altered in the following way: - Loosen the 4 screws (A) and remove the drip-tray (B). - Loosen the 4 screws (C), position the fan housing as required and refit the parts in the reverse order. VAC0022 4.2.5 Air outlet grating, air hose While the cooling installation is in operation condensation will form in the fan-coil unit and this condensation water must be discharged outside. The fan-coil unit is provided with 2 G 1/4” internal connections. Fit both hose pillars (G1/4” x 13 mm) or 1 hose pillar and 1 blind plug. VAC0044 Connect the air outlet opening to an air outlet grating using an insulated air hose with diameter 75 mm. • If the fan-coil unit is positioned at least 40 cm above the waterline, a pipe can be led directly to a through-hull fitting, situated on or above the waterline. • If the fan-coil unit is positioned under or less than 40 cm above the waterline, the condensation water must be led to a lower placed collecting tank. This tank or tray can be automatically emptied by means of a bilge pump connected to a level switch. Use hose of diameter 13 mm for the condensation drain. Always fit the hose downwards and without sharp bends. The air outlet grating must have a net opening which is at least as big as the cross-section of the air hose: 44 cm2. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 15 4.2.7 Electrical connections Check that the voltage, recorded on the type label on the fancoil unit, agrees with the voltage on board (230 V). Power consumption of the fan is 135 VA at maximum speed. Speed control The fan-coil unit is supplied without (fan) speed control. One speed control, including fitting material, is supplied with each thermostat, see 4.4.1. One thermostat is positioned in each room. Fit the speed control into the fan-coil unit (or into one of the units if more than one fan-coil unit is used). Loosen the connections block and cut the wires loose. Fit the speed control using the fitting materials supplied. Connect the fan-coil unit as shown in diagram 7. VAC0020 The cable from the thermostat to the speed control must have a ferrite core, see also 4.4.3 . Diagram 4, Connections to fan-coil units 1 AIRCO 22 24 20 1 AIRCO 22 26 18 24 20 o vetus® C 230 V AC 26 18 o C vetus® L N PE 3 6A 5 0 - 10 V 2 L N L N L N 0 V+ 6 VAC0019 4 ⇒A 2 5 1 AIRCO 22 24 20 26 18 o vetus® C 4 ⇒A 3 3 2 1 AIRCO 22 24 20 1 Thermostat 2 Speed control 3 Fan-coil unit A maximum of 4 fan-coil units can be connected to 1 speed control. 26 18 o C 4 Fan 5 Capacitor 2 µF 6 Ferrite core vetus® 3 3 3 3 2 16 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 4.3 Liquid filled closed circuit Together with the system cabinet the fan-coil units form a closed liquid circuit. Expansion tank The expansion tank is included in the materials supplied with the system cabinet. An expansion tank must be placed in the return pipe of the closed liquid circuit. The expansion tank also functions as filler tank. The expansion tank must be positioned at the highest point of the complete installation. When fitting the hoses take account of the following points: • Keep the connecting pipes as short as possible in order to limit the resistance in the hoses. • Fit the hoses in such a way that the risk of external damage or attack by chemicals or high temperatures is as low as possible. • Protect hoses that have to pass through partitions with leadthroughs or special couplings. • Bends must not have kinks, a kink restricts the free flow of the liquid. Minimum bend radius: - Hose 16 mm diameter: 130 mm - Hose 25 mm diameter: 200 mm • Always fix the pipes with brackets; distance between brackets ca. 50 cm. VAC0090 Fit the expansion tank against a wall and fit the hose columns. Cooling liquid pipes The connections between the system cabinet, the fan-coil units and the expansion tank must be made with hoses. Use insulated hose for this in order to prevent condensation. The hose must be suitable for cooling liquids and for temperatures from -25°C to +80°C and a pressure of 2 bar. Vetus supplies suitable hoses and insulation materials for this. Hose ø 16 mm, art.code: CCHOSE16. Hose ø 25 mm, art.code: CCHOSE25. Insulation tubing for hose CCHOSE16, art.code: CCOVER16. Insulation tubing for hose CCHOSE25, art.code: CCOVER25. • Shortening hoses must be done by cutting. Never shorten these by sawing (sawdust can enter the system and cause problems) or by pinching (the hose can be too deformed). • Use good quality hose clamps at every hose connection. Hoses with internal diameter of 25 mm must be used for the main supply and return network through the ship. Hoses with internal diameter of 16 mm must be used for the main supply to the fan-coil units. The hose connections on the system cabinet, the expansion tank and the fan-coil units are the correct sizes for this. - System cabinet: ø 25 mm - Expansion tank: ø 25 mm - Fan-coil units: ø 16 mm VAC0106 • In order to prevent the formation of condensation between the hose and the insulation tubing, the ends of the insulation tubing on the hose should be sealed off with tape. T-pieces 2 T-pieces 25-16-25 mm are supplied with every fan-coil unit in order to simplify the fitting. The last T-pieces are used as reducing pieces, from 25 to 16 mm. Fit the caps supplied on any 25 mm connections on the T-pieces which are not being used. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 17 Diagram 5, Installation example liquid filled closed circuit 6 VAC0027 2 2 2 2 5 7 3 4 1 AIRCO03/ AIRCO05 18 13.0102 3 1 AIRCO10 / AIRCO15 1 2 3 4 5 6 7 AIRCO system cabinet Fan-coil unit Hose 25 mm diam. int. T-piece 25 - 16 - 25 mm Hose 16 mm diam. int. Overflow tank Cap 25 mm Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 4.4 Thermostat 4.4.2 Positioning 4.4.1 Scope of supply A thermostat must be placed in every separate room. Even if more than one fan-coil unit are used in one (1) room only one (1) thermostat is fitted! AIR CO 22 24 When choosing a position for a thermostat take account of the following points: • Choose a position where the thermostat is readily accessible for setting it. • Fit the thermostat in a position where it is free from draughts. • The thermostat housing is not completely closed off at the front and back. A flow of air through the thermostat housing will influence the operation of the thermostat. 1 20 26 18 4 VAC0091 2 3 4.4.3 Connections Each thermostat is connected to the speed control pcb fitted in one of the fan-coil units in the same room as the thermostat concerned. Connect a 2 x 0.75 mm2 cable from the thermostat to the speed control pcb as shown in the diagram. Fit the ferrite core as close as possible to the speed control as shown in the diagram. 1 Thermostat. 2 Speed control printed circuit board with fixing materials. 3 Connecting materials . All thermostats are connected to each other and the last thermostat is connected to the control pcb in the system cabinet. In order to do this connect a 4-core cable (a so-called flat telecommunications cable) fitted with a 6P4C Modular plug to each thermostat. 4 Ferrite core. Diagram 6, Thermostat connections – + L N L N 1 FAN 2 FAN 1 8 2 L – + N GND Fan + Fan – GND 9V + Cool Heat 3 Fan + Fan – GND 9V + Cool Heat 1 2 3 4 1 2 3 4 VAC0005 4 6 7 5 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 1 2 3 4 5 6 7 8 Colour code: 1 Black 2 Red 3 Green 4 Yellow Thermostat Speed control pcb in fan-coil unit Control pcb, system cabinet Connection to speed control pcb Plug (6P4C Modular) Temperature control calibration LED: ‘ON’ when fan is switched on Ferrite core 13.0102 19 Connecting cables 1 2 3 4 VAC0025 Colour code: 1 Black 2 Red 3 Green 4 Yellow The connections between the thermostats must also be made using a 4-core cable (a so-called flat telecommunications cable). The connecting cables must be fitted with 6P4C IDC plugs on both ends. Fit the plugs on the ends of all the cables in exactly the same way. Splitters A A ABCD ABCD VAC0026 4 3 21 4 3 21 12 3 4 A ABCD Use splitters as shown in order to make the connections between the thermostats. N.B.: The order of the connections on the different sides of the splitters is the mirror image of each other! In order to avoid wiring faults we advise: • Use the splitters for connecting the thermostats as shown in the diagrams. • Always fit the plugs to the 4-core cable (A) in the same way. 20 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Diagram 7, Connecting thermostats together and to the control pcb in the system cabinet – + FAN 2 FAN 1 Fan + Fan – GND 9V + Cool Heat 1 L N L N 5 2 L N GND 1 2 3 4 5 3 1 L N L N 5 – + L N L N 5 L N GND 2 FAN 2 FAN 1 – + FAN 2 FAN 1 Fan + Fan – GND 9V + Cool Heat Fan + Fan – GND 9V + Cool Heat 1 Thermostat Speed control pcb in fan-coil unit Control pcb, system cabinet Splitter Ferrite core L N GND 2 3 4 L N 5 – + L N L N 5 L N GND – + L 5 L N 2 L N N GND 2 FAN 2 FAN 1 L N FAN 2 FAN 1 – + 1 Fan + Fan – GND 9V + Cool Heat 1 Fan + Fan – GND 9V + Cool Heat Fan + Fan – GND 9V + Cool Heat 1 FAN 2 FAN 1 4 L N GND 2 3 4 1 Fan + Fan – GND 9V + Cool Heat 1 Fan + Fan – GND 9V + Cool Heat 1 Fan + Fan – GND 9V + Cool Heat Fan + Fan – GND 9V + Cool Heat 1 4 5 – + L N L N 5 L N GND 2 – + L N L N 5 L N GND – + L N L N 5 L N GND FAN 2 FAN 1 L N FAN 2 FAN 1 L N FAN 2 FAN 1 – + FAN 2 FAN 1 VAC0024 2 L N GND 2 2 3 4 4 4 1 Fan + Fan – GND 9V + Cool Heat 1 Fan + Fan – GND 9V + Cool Heat Fan + Fan – GND 9V + Cool Heat 1 4 L N 5 L N GND – + L N L N 5 2 L N 2 GND – + L N L N 5 FAN 2 FAN 1 L N FAN 2 FAN 1 – + FAN 2 FAN 1 VAC0103 2 L N GND 3 4 4 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 21 Bleeding 4.5 Taking into service Filling Before the system can be taken into service it first has to be filled with cooling liquid. The installation is filled at the highest point, the expansion tank. The installation must be filled with a cooling liquid or with a water/anti-freeze mixture. See 7.1 Cooling liquid specification. VAC0092 Never fill the system just with water. The quantity of liquid required depends on the size of the installation, the number of fan-coil units and the total length of the piping. See 7.2 for the quantity of cooling liquid required. Turn the screw in the bleeder nipple a half or a full turn anticlockwise. Close the bleeder nipple as soon as cooling liquid begins to escape. 1 Fill the expansion tank with cooling liquid. Begin to remove the air from the fan-coil units when no more liquid flows out of the expansion tank. Keep filling the expansion tank while removing air if the liquid level has dropped. VAC0093 After all the fan-coil units have had the air removed fill the expansion tank to about halfway. There is a switch on the operating panel of the system cabinet which allows a choice to be made between normal operation and only operation of the circulation pump and the raw water pump. While removing the air keep the liquid level just under the topmost hose connection. When the pump is switched on you can then see whether the liquid is circulating. 2 Turn the ‘circulation pump’ switch to the left, the LED next to VAC0059 the switch will now light up. Only the circulation pump and the raw water pump can now operate; the cooling compressor will not be switched on. Check the entire system for leaks. AIRCO CIRCULATION PUMP ALARM AIRCO CIRCULATION PUMP STAND BY COOL vetus® ALARM VAC0045 STAND BY 3 Start the system. Switch on the power. Operate the on/off switch on one of the thermostats; the LED ‘cooling’ on the thermostat will now light up. The circulation pump and the raw water pump will now function 22 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 but the cooling compressor will not be switched on. 4 Now put the ‘circulation pump’ switch to the normal position (to the right). • Check that the raw water pump is operating and that the raw water circuit has no leaks. • Check in the expansion tank that the cooling liquid is circulating and check the cooling liquid circuit for leaks. AIRCO CIRCULATION PUMP ALARM AIRCO CIRCULATION PUMP STAND BY COOL vetus® ALARM VAC0061 Leave the system running in this way for some time after the check has shown that both circuits are functioning correctly. If the check shows that there is no circulation in one of the circuits then handle as follows: VAC0049 STAND BY The cooling system is then switched on and the liquid will be cooled. Now check the working of the complete system. Raw water circuit: - Check that the sea cock is open. - Check that the pump is underneath the waterline. - Disconnect a hose from the pump to the system cabinet in order to remove the air; the hose should now fill up with water. - Check that the pump is running. Setting the installation All the necessary settings for the various parts of the installation have already been carried out. The button on the thermostat can be used by the user to set the speed of the fan of the fan-coil unit. Cooling liquid circuit: - There may b e an air bubble in the pump; switch the pump off and on. - The pump rotor is jammed because it has not been used for a long time: - Switch off the power. - Remove the cap on the system cabinet which covers the electrical connections. - Remove the rubber blanking cap. - Remove the front plate from the system cabinet. - Remove the circulation pump cover plug. - Put a screwdriver in the pump and turn the rotor. Any air left in the system will leave it via the expansion tank. This will cause the level in the expansion tank to drop, so that the tank must be regularly refilled. When the level of liquid in the expansion tank no longer drops the system is completely full. The fan will rotate with a pre-set minimum speed when the thermostat button is set to the lowest position. min. 95 V AC VAC0068 This minimum value can be set on the speed control pcb fitted in the fan-coil unit. If this setting is altered allowance must be made for the fact that the minimum voltage on the fan must be at least 95 V alternating current! Now fill up the expansion tank to above the topmost connection (ca. 2/3 of the total height). VAC0060 After a few weeks check the level in the expansion tank and refill if necessary. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 23 5.4 Cleaning raw water system 5 Maintenance The water cooled condenser in the system cabinet must be descaled once a year. Fill the raw water system with cleaning vinegar (8 %) in order to do this. 5.1 Cleaning raw water filter Regularly check whether the cooling water filter is dirty. Clean the cooling water filter as often as is necessary, depending on how dirty the sailing water is, but at least once per half year. A dirty cooling water filter can cause a higher temperature than normal or overheating of the cooling installation. AIRCO Shut the sea cock before removing the lid using the key provided. A VAC0070 VAC0069 Check that the lid is shut properly after cleaning and replacing the lid. 5.2 Air intake filter, fan-coil unit In order to fill the raw water system with cleaning vinegar handle as follows: - Shut the sea cock. - Remove both hoses (intake and outlet). - Temporarily remove the zinc anode ‘A’ in order to be able to drain the raw water system completely. - Connect short pieces of hose on the intake and outlet connections. These hoses must point upwards. - Now fill the system with cleaning vinegar. See table 2 for the quantity required. - Leave the vinegar in the system for at least 2 days before draining it out again. - Reconnect the intake and outlet hoses. Table 2, Capacity of water cooled condenser VAC0094 System Capacity of water cooled condensor AIRCO03 5 liter AIRCO05 5 liter AIRCO10 9,5 liter AIRCO15 13,5 liter 5.5 Laying up for winter When the ship is laid up for winter the raw water system must be completely drained and filled with anti-freeze. Temporarily Check the state of the air intake filter regularly. Replace a dirty filter. Filter, Vetus Art.code: LBHF 5.3 Cleaning condensation water drain, fancoil units Contamination can settle out in the fan-coil unit drip-tray and the condensation drains. Rinse out the pipes and the drip-tray at least 1 x per year using clean water. 24 13.0102 VAC0079 A remove the zinc anode ‘A’ in order to be able to drain the raw water system completely. If necessary, fit a new zinc anode. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 6 Fault finding Fault Possible cause Solution The system does not start after the main switch is switched on. The generator set is not running or does not supply any power. Switch on / check generator set. 230 V fuse faulty. Check/ replace. No battery power. Check battery main switch. Check fuse. Fault in thermostat wiring. Check wiring. Fault in thermostat. Check / replace thermostat. Pressing button on thermostat has no effect. The compressor, in the system cabinet, is No flow of cooling water because the sea switched off again shortly after switching cock is shut or the raw water filter is on. blocked. Open the sea cock / Clean the raw water filter. The system does not react after being switched off and then switched on again a short time later. The time between switching off and on was shorter than that required for protection of the system. After the waiting time the system will start operating again. The air flow is insufficient when the thermostat button controlling the speed of the fan is set to maximum speed. The air intake or outlet grating is blocked. Clear the blockage. The sound of running water is audible near a fan-coil unit or the expansion tank. The air filter is dirty. Replace the air filter. There is insufficient liquid in the closed liquid circuit. Check for leakages and add liquid to the system. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 25 7 Technical details System cabinet type : AIRCO03 AIRCO05 AIRCO10 AIRCO15 Capacity, cooling : 3 kW 5 kW 10 kW 15 kW Number of compressors : 1 1 2 3 Coolant : R407c R407c R407c R407 Power supply 1 : 1 x 230 V AC 1 x 230 V AC 1 x 230 V AC 1 x 230 V AC or or 3 x 230 / 400 V AC 3 x 230 / 400 V AC Voltage range : +10 % - –15 % +10 % - –15 % +10 % - –15 % +10 % - –15 % Frequency : 50 Hz 50 Hz 50 Hz 50 Hz Nominal current : 4.5 A 7.5 A 2 x 7.5 A 3 x 7.5 A LRA (1 compressor) : 21 / 23 33 / 36 33 / 36 33 / 36 Power supply 2 : 12 V / 24 Volt 12 V / 24 Volt 12 V / 24 Volt 12 V / 24 Volt Voltage range : 10 to 32 Volt 10 to 32 Volt 10 to 32 Volt 10 to 32 Volt during operation : 3/6 W @ 12/24 V 3/6 W @ 12/24 V 3/6 W @ 12/24 V 3/6 W @ 12/24 V Yield circulation pump : 3900 l/h at 0.1 bar 3900 l/h at 0.1 bar 3600 l/h at 0.14 bar 3600l/h at 0.14bar 2.5 bar 2.5 bar 2.0 bar 2.0 bar Power consumption, Maximum system pressure : Capacity seawater pump : 1600 l/h at 0.1 bar 1600 l/h at 0.1 bar 3700 l/h at 0.1 bar 3700 l/h at 01 bar Max. ambient : -40 °C to +80°C -40 °C to +80°C -40 °C to+80°C -40 °C to +80°C : 46 kg 50 kg 88 kg 126 kg Capacity at ∆T = 18 °C : 2000 W Maximum air flow : 300 m3/h Power supply : 230 V AC Power : 135 VA Weight : 9 kg temperature Weight Fan-coil unit 26 13.0102 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 7.1 Cooling liquid specification 7.2 The composition and control of the cooling liquid for an air conditioning installation is of particular importance because corrosion and freezing can cause damage to the system. Use a ready-mixed cooling liquid (A) or a mixture of a suitable cooling system protective liquid (antifreeze on ethylene glycol basis) and tap water (B). The quantities given below are required to fill the separate parts of the installation. A)Ready-mixed cooling liquid Vetus HCFLUID25 is an example of a very suitable ready-mixed cooling liquid. B)Mixture of cooling system protective liquid and tap water The concentration of the anti-freeze in the cooling liquid may not be more or less than that shown below: Cooling system protection liquid (Anti-freeze) Water Protection against freezing to max. 45 vol% 55% -35°C 40 vol% 60% -28°C min. 35 vol% 65% -22°C The concentration of the protecting liquid must be maintained under all circumstances. Therefore if the cooling liquid needs to be refilled use only the same mixture of anti-freeze and tap water. - Quantity of cooling liquid required AIRCO03 AIRCO05 AIRCO10 AIRCO15 Fan-coil unit Expansion tank (2/3 filled) Cooling liquid piping ø 16 mm Cooling liquid piping ø 25 mm : : : : : : : : 0.4 litre 0.6 litre 1.6 litre 2.2 litre 0.5 litre 3.5 litre 0.2 litre/metre 0.5 litre/metre Table 3 can be used as guideline for the quantity required for a complete installation. Table 3, Average values for the quantity of cooling liquid required for a complete installation Installation Fan-coil units Piping, ø 16 mm ø 25 mm Quantity cooling liquid AIRCO03 2 15 m 10 m ca. 13 litre AIRCO05 3 18 m 12 m ca. 15 litre AIRCO10 5 24 m 12 m ca. 20 litre AIRCO15 8 30 m 20 m ca. 26 litre Water quality for cooling liquid Preferably use tap water. If another source of fresh water is used then the values shown in the table below may not be exceeded. Water quality min. pH-value at 20°C 6.5 3 max. 8.5 Chloride ion concentration [mg/dm ] – 100 Sulphate ion concentration [mg/dm3] – 100 Total hardness 3 12 [degrees] Never use seawater or brackish water. The environment protection rules applying must be followed when discharging cooling liquids containing protection substances. Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 27 8 Overall dimensions 620 275 390 460 VAC0062 500 530 VAC0072 10 kW 5 kW vetus® vetus® AIRCO AIRCO 375 535 AIRCO03 / AIRCO05 AIRCO10 820 390 AIRCO03 / AIRCO05 1 2 4 5 VAC0073 3 530 VAC0077 15 kW vetus® AIRCO10 / AIRCO15 AIRCO 735 2 3 1 4 5 AIRCO15 28 13.0102 VAC0104 Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 273 285 VAC0081 ø 75 200 295 210 ø 16 35 G 1/4" 350 147 18 AIRCO 22 54 61 120 26 18 o C vetus® VAC0082 ø3 1 2 3 4 5 53 24 20 139 Closed liquid circuit, heating ‘out’ 3/4”, ext. Closed liquid circuit, cooling ‘out’ 3/4” ext. Fuel supply, boiler (Diesel), ø 3 mm Raw water ‘out’, ø 20 mm Exhaust gases, boiler, ø 30 mm Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 13.0102 29 9 Electrical diagrams Connection diagram airco 3-5 kW L BR1 BR2.5 +12-24VDC RD=Rood BL=Zwart Hi pressure switch Y=Geel RD1 + BL.5 HI COMP BL.5 7 BL1 SP1C Temperature sensor GR=Grijs L 1 Compressor relay LBL=Blauw VI=Violet TEMP 3 _ BR1 PUMP C 8 LBL2.5 LBL2.5 BL2.5 Raw waterpump LBL 1 6 LBL 1 LBL 1 5 LBL 1 4 VAC0015 S R BR1 Circulation pump Fan BR1 BR1 BR1 2 Compressor BR=Bruin BR2.5 GN=Groen N AIRCO03 / AIRCO05 Connection diagram Airco 10 kW L BR2.5 C 2 S Pump relay R RD=Rood BL=Zwart 9 BR=Bruin VAC0096 4 AIRCO10 30 13.0102 5 10 6 LBL2.5 Fan GR=Grijs LBL 1 VI=Violet Raw waterpump Circulation pump Y=Geel Extra Circulation pump LBL=Blauw LBL2.5 BL2.5 GN=Groen Compressor relay C S R 8.1 Compressor 2 PUMP 7.2 BL2.5 3 TEMP BL1 8.2 LBL2.5 Temperature sensor SP1C BR2.5 _ BR.5 7.1 BL1 + BR2.5 C1 RD.5 BR2.5 C2 HI1 BL.5 LBL2.5 BL.5 BR1 L HI2 LBL 1 GR.5 GR.5 Compressor 1 1.2 Compressor relay 1.1 BR1 Hi pressure switch 2 Hi pressure switch 1 +12-24VDC N Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Connection diagram Airco 15 kW L C3 C2 Y=Geel 5 10 6 LBL 1 LBL2.5 Raw waterpump 4 N Extra Circulation pump Fan GR=Grijs Circulation pump VI=Violet 8.1 Compressor relay BR2.5 S R 8.2 Compressor 3 S R C BL2.5 LBL=Blauw S R 9 BL2.5 BR=Bruin LBL2.5 Pump relay BL=Zwart 7.3 8.3 LBL2.5 RD=Rood GN=Groen C LBL 1 C 2 LBL2.5 3 TEMP PUMP Compressor relay SP1C BL1 7.2 Compressor 2 BR.5 BL1 7.1 BR2.5 + _ BL1 BL2.5 C1 LBL2.5 BL.5 VAC0097 BR2.5 BR2.5 BR2.5 BR1 BR1 L LBL 1 HI3 HI1 RD.5 Temperature sensor HI2 LBL2.5 GR.5 BL.5 Compressor relay 1.3 GR.5 Compressor 1 1.2 LBL.5 LBL.5 BR2.5 1.1 Hi pressure switch 3 Hi pressure switch 1 Hi pressure switch 2 +12-24VDC AIRCO15 1 2 3 4 5 6 7 8 9 10 High pressure switch Temperature sensor Control pcb Fan Circulation pump, cooling Raw water pump Compressor relay Compressor Pump relay Extra circulation pump, cooling RD BL GN LBL Y VI GR Airconditioning systems AIRCO03, AIRCO05, AIRCO10 and AIRCO15 Red Black Green Blue Yellow Violet Grey 13.0102 31 FOKKERSTRAAT 571 - 3125 BD SCHIEDAM - HOLLAND - TEL.: +31 10 4377700 - TELEX: 23470 TELEFAX: +31 10 4372673 - 4621286 - E-MAIL: [email protected] - INTERNET: http://www.vetus.nl Printed in the Netherlands 13.0102 I.AIRCOE 05-02, Rev. 05-03