Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53390024-01 Printed in U.S.A. Form 39M-21SI Rev. B Pg CL-1 8-2020 Replaces: 39M-20SI
START-UP CHECKLIST — 39MN INDOOR AHU UNITS
I. PRELIMINARY INFORMATION
MODEL NO.JOB NAME_________________________
SERIAL NO. ADDRESS ________________________
START-UP DATE______________________________
TECHNICIAN NAME ___________________________
ADDITIONAL ACCESSORIES
_____________________________________________________________________________________________________
II. PRE-START-UP
SINGLE POINT POWER OPTION
Are power connections to the Single Point Power Enclosure made and checked? (
Y/N) _____
Are all power harness connections made at unit splits? (Y/N) _____
Are all wiring terminals tight? (Y/N) _____
CONTROLS
Are thermostat(s) and indoor fan control wiring connections made and checked? (Y/N) _____
Are all wiring terminals tight? (including power to fan motors, heaters, etc.) (Pg 141) (Y/N) _____
AIR HANDLER
Remove packaging and any construction debris. (Y/
N) _____
Inspect for shipping and/or handling damage, make claims as required. (Pg 84) (Y/N) _____
Inspect all panel flanges for damage. Panel flanges should be smooth with no sharp bends. (Y/N) _____
Are all corner connectors and frame to channel joints smooth with no cracks, large bumps
or depressions in the caulk? (Y/N) _____
Are any door latches loose or damaged? If so, tighten or repla
ce. (Y/
N) _____
Release fan holddown bolts. (Pg 85, Fig. 18) (Y/N) _____
Check fan bearings and shaft(s) for tightness. (Pg 198) (Y/N) _____
Hand turn fan 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 wir
ing 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 to 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) _____
PIPIN
G
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.
NOTE: To avoid injury to personnel and damage to equipment or
property when completing the procedures listed in this start-up
checklist, use good judgment, follow safe practices, and adhere to
the safety considerations/information as outlined in preceding sec-
tions of this Installation Instruction document.
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