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Release fan holddown bolts and shipping brackets. (Pg 85, Fig. 18)
(Y/N) _____
Check fan bearings and shaft(s) for tightness (Pg 198)
(Y/N) _____
Fan bearings are lubricated from the factory. Remove zerk fitting to verify. Do not overgrease!
(Y/N) _____
Turn fan by hand to ensure no rubbing with housing.
(Y/N) _____
Have fan and motor pulleys been checked for proper alignment? (Pg 111)
(Y/N) _____
Do the fan belts have proper tension? (Pg 112)
(Y/N) _____
Are proper air filters in place? (Pg 212-254)
(Y/N) _____
Are all wiring terminals to fan motors and heaters tight? (Pg 110)
(Y/N) _____
Has water been placed in drain pan to confirm proper drainage?
(Y/N) _____
Is duct connected directly to the unit? (Pg 90)
(Y/N) _____
Verify wiring is correct for application (voltage, etc.) per component label.
(Y/N) _____
Are field wiring penetrations into 39M properly sealed for air and water leaks (includes conduit inside box)?
(Y/N) _____
PIPING
Have leak checks been made at chillers, boilers, valves, and indoor coils?
(Y/N) _____
Has air been bled from system?
(Y/N) _____
Is freeze protection provided (if required)? (Pg 129)
(Y/N) _____
For DX system, has system been charged with refrigerant? (Pg 130)
(Y/N) _____
Locate, repair, and report any leaks.
_____________________________________________________________________________________________________
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.
(Y/N) _____
If fan is direct drive, ensure that the VFD has been properly programmed for maximum frequency output
to limit fan speed to maximum (pg 141)
Ensure correct fan rotation.
(Y/N) _____
After air and water balance is complete, are pulleys aligned?
(Y/N) _____
If sheaves were changed during air balance, assembly must be rebalanced. Were the sheaves changed? (Pg 110)
(Y/N) _____
Was a dynamic balance performed on the fan assembly?
(Y/N) _____
After air and water balance and at least 10 minutes running time, record the following measurements:
Check indoor fan speed and record:
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
__________
Ensure all water inside air handler is in condensate pan.
(Y/N) _____
Ensure fixed pitch pulleys have been installed.
(Y/N) _____
Check for vibration levels.
(Y/N) _____
If electric heater is supplied, ensure heater airflow switch closes at design airflow (see page 156).
(Y/N) _____
NOTES:
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SIGNATURE:
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DATE:
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