Start-Up And Performance Checklist - Lennox ML14XC1 Series Installation And Service Procedure

Also, ensure that refrigerant pipes are not being
affected by indoor air contamination. Check condition
of insulation on the refrigerant lines. Repair, correct, or
replace as necessary.
7. Inspect the duct system for leaks or other problems.
Repair or replace as necessary.
8. Check for bearing/bushing wear on indoor blower
motor. Replace as necessary.
9. Indoor unit inspections of gas- or oil-fired furnaces will
also include inspection and cleaning of the burners,
and a full inspection of the gas valve, heat exchanger
and flue (exhaust) system.

Start-Up and Performance Checklist

Job Name
Job Location
Installer
Unit Model No.
Nameplate Voltage
Rated Load Ampacity
Maximum Fuse or Circuit Breaker
Electrical Connections Tight? -
Indoor Blower RPM
Discharge Pressure
Leak Checked? - Properly Insulated? -
Refrigerant Lines:
Fully Opened? - Caps Tight?
Service Valves:
Voltage With Compressor Operating
Serial No.
Compressor
Indoor Filter clean? -
S.P. Drop Over Indoor (Dry)
Suction Pressure
General System Test with System Operating
1. Your technician should perform a general system test.
He will turn on the air conditioner to check operating
functions such as the start­up and shut­off operation.
He will also check for unusual noises or odors, and
measure indoor/outdoor temperatures and system
pressures as needed.
2. The technician will check the refrigerant charge per
the charging sticker information on the outdoor unit.
3. Verify that system total static pressure and airflow
settings are within specific operating parameters.
4. Verify correct temperature drop across indoor coil.
Job no.
City
City
Service Technician
Outdoor Fan
Supply Voltage (Unit Off)
Outdoor Coil Entering Air Temp.
Refrigerant Charge Checked?
Outdoor Fan Checked?
-
Calibrated? - Properly Set? - Level? -
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Date
State
State
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Thermostat
ML14XC1 SERIES