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Verify room thermostat settings are correct.
Verify that all electrical disconnect switches are ON.
Check for any blown fuses or tripped circuit breakers.
Verify unit access panels are in place.
Verify air filter is clean.
If service is needed, locate and write down the unit
model number and have it handy before calling.
Accessories
For update−to−date information, see any of the following
publications:
Lennox 13HPX Engineering Handbook
Lennox Product Catalog
Lennox Price Book
Start−Up and Performance Checklist
Job Name
Job no.
Date
Job Location
City
State
Installer
City
State
Unit Model No.
Serial No.
Service Technician
Nameplate Voltage
Rated Load Ampacity
Compressor
Outdoor Fan
Maximum Fuse or Circuit Breaker
Electrical Connections Tight?
Indoor Filter clean?
Supply Voltage (Unit Off)
Indoor Blower RPM
S.P. Drop Over Indoor (Dry)
Outdoor Coil Entering Air Temp.
Discharge Pressure
Vapor Pressure
Refrigerant Charge Checked?
Refrigerant Lines:
Leak Checked?
Properly Insulated?
Outdoor Fan Checked?
Service Valves:
Fully Opened?
Caps Tight?
Thermostat
Voltage With Compressor Operating
Calibrated?
Properly Set?
Level?
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