commercial defrost timers manufacturer

Transcription

COMMERCIAL DEFROST TIMERS
MANUFACTURER COMPARISONS AND HANDS ON LAB
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Robertshaw® proprietary and confidential ©2015
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Why do I need a Paragon Defrost Timer?
Manufacturer Comparison
Sales Tools
Hands On Lab
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Mechanical
Electrical
Program
Wiring and Relay information
 Q&A
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 Manufactured products for the refrigeration
industry since 1905
 Both mechanical and electronic controls are
rated to UL873 commercial refrigeration
standards ie. 30,000 cycles
 Controls allow for a more precise
termination of the defrost cycle based on
temperature or pressure value
 Controls are often called defrost timers
because defrost initiation is based on a time
schedule
 Easy to install and program especially in
retrofit applications
8145-20
9145-00
8145-AV
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 Paragon®
 Intermatic / Grasslin DTAV40
 Intermatic/Grasslin G8000 Series
Mechanical Timer
 Supco
 Precision Timer Co, Inc.
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Competitive Comparison Paragon®
Family or Part Number
Intermatic Grasslin®
814x-x0 or 804x-x0
G814x-x0 or G804x-x0
Supco®
S8x4xx0
Image
Product History
+100 Years Quality
Products
Less than 3 Years, Price Point Less than 8 years, Me-too
Product
Asian Made Knock-off
Heavy Duty Metal Gears
Yes
No-Plastic
No-Plastic/Steel
Positive Slider Switch Design
Assures Positive Electric
Contact and Wipes the Contact
Surface of Contaminates
Yes
No
No
Heavy duty-Synchronous
Enclosed Industrial Type Motor
Yes
No
No
UL Listing
Heavy Duty Silver Plated
Contacts
UL873
UL873
UL873
Yes
No
No
Switch Ratings @ 240VAC
40 amp 2 HP 240VAC
40 amp 2 HP 240VAC
40 amp 2 HP 240VAC
1-Year
2-Year
1-Year
Warranty
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Paragon® 8000 Series
Enclosed Motor
Grasslin® G8000 Series
Open Motor
 Enclosed Motor reduces risk of damage to the electric motor
 Reduces contaminants entering the internal workings of the electric motor
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Metal Gears
Plastic Gears
 Heavy Duty Metal Gear components extends timer life by reducing wear
 Better gear alignment means better performance
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Grasslin
Slider Bar
Mechanism
Heavy Duty Contacts
Standard Contacts
 Paragon Heavy Duty Silver Plated contacts for longer life
 Properly aligned contacts eliminate arching and shortened life cycles
 Rated 30,000 cycles, heavy duty positive switch slider bar
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Feature
Paragon®
Intermatic Grasslin®
8145-AV
DTAV40
Yes
Yes
Yes UL60730
Refrigeration Clock
Yes UL917
Timer Clock
LED Indicator Lights
Yes
Yes
Real Time Clock Face
Yes
Yes
Manual Defrost
Initiation
Yes
No
Switch Ratings
40 Amp, 2 HP, 277V AC
40 Amp, 2 HP, 240V AC
Image
Auto Voltage (120, 208,
230V AC)
UL Listed
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Value Proposition
Wholesaler /
Distributor
Multi-Voltage (120/208-230/277)
UL Listed
Leading Brand
Real Time Clock Face
Manual Defrost Initiation
Captive Tripper Pins
Switch Ratings
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Contractor
End-User
Feature
Intermatic
Grasslin®
Paragon®
9x45-00 (UDT)
Image
Multi-Voltage (120/208-230)
UL Listed
Yes - as a defrost controller. UL873
Temperature Regulating Device.
Requires life test to 30,000 cycles at
temperature extremes.
Yes
Backlit
Real Time Clock
Power loss protection
Intuitive Display
Yes - Electronic
Yes - clock maintained by capacitor for
100 hours of lost power. Schedule
stored in flash memory.
Yes - 15 minutes
Yes - Time and defrost schedule easy to
understand
Defrost Heater - 30 Amps Resistive
Switch Ratings
Warning of DT failure
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Yes - direct wire to terminals
Yes - see Terminal G error code
n/a
Supco®
n/a
Value Proposition
Wholesaler /
Distributor
Multi-Voltage (120/208-230)
UL Listed
Backlight
Real Time Clock
Power loss protection
Intuitive Display
Switch Ratings
Warning of DT failure
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Contractor
End-User
CROSS REFERENCE
SELL SHEETS
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Manufacturer
Uni-Line®
Manufacturer
Part Number
Replacement
Description
DTAV40
Grasslin
8145-AV
Auto Voltage Timer - DPST - 120…277V - 40A - Metal Enclosure, Plastic Dial
DTMV40
Grasslin
8145-AV
DTMV40
Grasslin
8145-AV
124-1342
Supco
8145-20
Mechanical Timer - DPST – 208/240V - 40A - Metal Enclosure, Metal Dial
M814520
Supco
8145-20M
M814520
Supco
8145-AVM Mechanism Only of Mechanical Auto Voltage Timer 8145-AV
S804100
Supco
8041-00
Mechanical Timer - DPST - 120V - 40A - Metal Enclosure, Metal Dial
S804120
Supco
8041-20
S804500
Supco
8045-00
S804520
Supco
8045-20
S814100
Supco
8141-00
S814120
Supco
8141-20
S814500
Supco
8145-00
S814520
Supco
8145-20
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Mechanism Only of Mechanical Timer 8145-20
Manufacturer
Uni-Line®
Manufacturer
Part Number
Replacement
Description
G8045-00
Grasslin
8045-00
G8045-20
Grasslin
8045-20
G8145-00
Grasslin
8145-00
8145-20
Grasslin
8145-20
6045-00
Precision
8045-00
6045-20
Precision
8045-20
6145-00
Precision
8145-00
6145-20
Precision
8145-20
8145-20
Robertshaw
8145-AV
8145-20
Robertshaw
9045-00
Electronic Timer – DPST – 120/208/240 - 30A - Metal Enclosure, Digital
8145-20
Robertshaw
9145-00
Electronic Timer – DPST – 120/208/240 - 30A - Metal Enclosure, Digital
8145-20M
Robertshaw
8145-AVM
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Mechanism Only for Mechanical Timers
Order 150-2230
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Order 150-1893
8000 Series Mechanical Timers
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9000 Series Electronic Timers
MECHANICAL INSTALLATION
ELECTRICAL INSTALLATION
PROGRAMMING
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 Universal Defrost Timer mounts in previous legacy boxes
 Perfect for aftermarket applications
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1.
2.
3.
4.
5.
6.
7.
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Turn off AC power
Open metal case to access control connectors
Connect wires from compressor to terminal A
Connect heater or hot gas solenoid to Terminal E
Connect wire to Terminal C from L1 – 120 VAC or 208-240 VAC line
Jumper Terminal C to Terminals B and D
Connect wire from L2/N to Terminal F
Convert to 9145
Convert to 9045
Convert 8141 to 9145
8141 N
1
3
9145 A
B
4
2
C
D
8143 1
X
E
F
3
1
G
9145 A
9145 A
25
B
C
D
X
8041 N
N
E
B
C
8045 2
2
4
D
E
F
F
1
3
G
G
9145 A
B
4
2
C
D
X
E
F
N
4
X
4
2
N
3
8145
G
9045 A
B
1
3
C
D
X
E
F
 Time or Temperature Terminated in Electric Defrost
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Flashes at
12:00 Noon
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Refrigerate
LED is on
1. Scroll cursor to desired defrost
start time
2. Press “Defrost Start/Stop” once
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1. Rotate cursor to the first
segment in the defrost
2. Press “Clear”
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 Press, hold and release all four buttons to clear the program
 The Defrost Timer will return to its original power up state
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The UL standard used for temperature regulating commercial
refrigeration equipment is UL873?
□ True □ False
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The Paragon 9145-00 defrost control will terminate a defrost
cycle based on which of these inputs?
□ Pressure
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□ Temperature
□ Time
□ All of the above
Which input voltage will not power a Paragon Defrost Timer?
□ 24V AC
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□ 120V AC
□ 208V AC
□ 240V AC □ 277V AC
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commercial defrost timers manufacturer

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