Enhanced CAC Inspection Reward
Transcription
Enhanced CAC Inspection Reward
Enhanced Reward for Central Air Conditioning Inspection Form To be completed and signed by service technician For Reedsburg Utility customers only Customer RUC Utility Account # __________________ Delta T across cooling coil Temperature IN _____ Temperature OUT _____ Return drop Change in temperature _____ Furnace Change should be between 14 ºF and 20 ºF If the difference in temperature is more than 20 ºF, then it would indicate that air is restricted. Possible causes include: dirty filter improper ductwork improper fan size or speed If the temperature difference is less than 14 ºF, then the possible causes include: loss of refrigerant dirty cooling coil poor performing compressor improper fan size or speed inadequate return air ducting Does the system have a thermal expansion valve (TXV)? If YES, measure sub-cooling and super-heating. Refrigerant type is _______________. ___ YES Sub-cooling temperature = ________ ºC Satisfactory Too low Super-heating temperature = ________ ºC Satisfactory Too low Is there condensation on the line set? ___ YES ___ NO ___ NO Too high Too high Compressor Measured amp draw while cooling the house _____ Amps Outside air temperature = ______ ºF Inside air temperature = ______ ºF Inside relative humidity = ______ % Full load amp draw shown on name plate _____ Recommendations based on test results and inspection: _________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ Technician Name (please print) ________________________________________________________ I certify that all tests have been performed using recognized HVAC professional trade standards. Signature ___________________________________________________ Date of tests _______________________
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