HVAC Defrost Termination Fan Delay Wiring Checklist

HVAC Defrost Termination Fan Delay Wiring Checklist
Complete this checklist to verify proper wiring and inspection of the defrost termination fan delay system in HVAC units.
Technician Name
First NameLast Name
Date of Inspection
MonthDayYear
2 digit month, 2 digit day, 4 digit yearDate
Job Site Address
Street Address
Street Address Line 2
CityState / ProvincePostal / Zip Code
Contact Phone Number
Please enter a valid phone number.Format: (000) 000-0000.
Equipment Model and Serial Number

Wiring Inspection Checklist

Rows	Pass	Fail
Defrost control board correctly installed
Fan delay relay wired as per schematic
All electrical connections are secure
Wiring insulation is intact and undamaged
Ground connections verified
Control wiring separated from power wiring
Thermostat connections checked
Defrost sensor properly connected

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