Carrier AERO 39MN Installation, Start-Up And Service Instructions Manual page 169

PIPING
Have leak checks been made at chillers, boilers, valves, and indoor coils?
Has air been bled from system?
Is freeze protection provided (if required)?
For DX system, has system been charged with refrigerant?
Locate, repair, and report any leaks.
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III. START-UP
If this unit is to used for construction conditioning without ductwork, ensure balancing is redone and filters replaced once
construction is complete.
Verify wiring is correct for application (voltage, etc.) per component label.
If fan is direct drive, ensure that the VFD has been properly programmed for maximum frequency output to limit fan speed to maximum (pg 92)
Ensure correct fan rotation.
After air and water balance is complete, are pulleys aligned?
If the sheaves were changed during the air balance, the assembly must be rebalanced.
Were the sheaves changed?
Was a dynamic balance performed on the fan assembly?
After air and water balance and at least 10 minutes running time, record the following measurements:
Check indoor fan speed and record:
Ensure all water inside air handler is in condensate pan.
Ensure fixed pitch pulleys have been installed.
Check for vibration levels.
If electric heater is supplied, ensure heater airflow switch closes at design airflow
NOTES:
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SIGNATURE:
Fan RPM=
Entering air db temp
Unit entering air wb temp
Leaving air db temp
Leaving air wb temp
Entering water temp
Leaving water temp
CL-4
(Pg 82)
(Pg 83)
(pg 67)
(see pg 103)
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