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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. He will check the refrigerant
ML14XC1 Start-Up and Performance Checklist
Customer
Indoor Unit Model
Outdoor Unit Model
Notes:
START UP CHECKS
Refrigerant Type:
Rated Load Amps:
Condenser Fan Full Load Amps
COOLING MODE
Suction Pressure:
Supply Air Temperature:
System Refrigerant Charge (Refer to manufacturer's information on unit or installation instructions for required
subcooling and approach temperatures.)
Subcooling:
Approach:
Indoor Coil Temperature Drop (18 to 22°F)
Actual Amps
Actual Amps:
Liquid Pressure:
Ambient Temperature:
Saturated Condensing Temperature (A)
minus Liquid Line Temperature (B)
Liquid Line Temperature (A)
minus Outdoor Air Temperature (B)
Return Air Temperature (A)
minus Supply Air Temperature (B)
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charge per the charging sticker information on the
outdoor unit.
2 - Verify that system total static pressure and airflow
settings are within specific operating parameters.
3 - Verify correct temperature drop across indoor coil.
Address
Serial
Serial
Rated Volts
Return Air: Temperature:
A
—
A
—
A
—
Actual Volts
B
=
SUBCOOLING
B
=
APPROACH
B
= COIL TEMP DROP
ML14XC1 SERIES
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