© 2022 Carrier. All rights reserved.
Edition Date: 03/22
Catalog No: 50ZHK-01SI
Replaces: 50ZHC-05SI
50ZHK: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
22
Start-Up Checklist
(Remove and Store in Job Files)
I. PRELIMINARY INFORMATION
MODEL NO.: ____________________________________
SERIAL NO.: ____________________________________
DATE: __________________________________________
TECHNICIAN:___________________________________
II. PRESTART-UP (Insert check mark in box as each item is completed)
( ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS
( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS
( ) CHECK THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE
( ) VERIFY THAT UNIT INSTALLATION IS LEVEL
( ) CHECK FAN WHEEL, AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS
III. START-UP
Supply Voltage: L1-L2
Compressor Amps: L1 (C) ____________________ L2 (S) _______________L3(R)____________
Indoor (Evaporator Fan Amps _______________Outdoor Fan Amps_________________
Temperature-Cooling Mode
Outdoor Air Temperature:________________ DB ___________ WB
Return-Air Temperature:_________________DB ___________ WB
Cooling Supply Air _____________________DB ___________ WB
Pressures - Cooling Mode
Refrigerant Suction ______________________________ psig
Suction Line Temp* _______________________________
Refrigerant Discharge ____________________________ psig
Discharge Temp† _________________________________
Temperature-Heating Mode
Outdoor Air Temperature:________________ DB ___________ WB
Return-Air Temperature:_________________DB ___________ WB
Supply Air____________________________DB ___________ WB
Pressures - Heating Mode
Refrigerant Suction ______________________________ psig
Suction Line Temp* _______________________________
Refrigerant Discharge ____________________________ psig
Discharge Temp† _________________________________
* Measured at suction inlet to compressor
{
Measured at liquid line leaving condenser.
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