![background image](http://html.mh-extra.com/html/carrier/50hcq07/50hcq07_installation-instructions-manual_2563301051.webp)
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500211-01
Printed in U.S.A.
Form 50HCQ-7-9-06SI
Pg CL-1
1-19
Replaces: 50HCQ-7-9-05SI
START-UP CHECKLIST FOR 50HCQ07-09 SINGLE PACKAGE ROOFTOP
HEAT PUMP
(REMOVE AND USE FOR JOB FILE)
I. PRELIMINARY INFORMATION
MODEL NO. ____________________________________________
JOB NAME _____________________________________________
SERIAL NO. ____________________________________________
ADDRESS _____________________________________________
START-UP DATE________________________________________
TECHNICIAN NAME _____________________________________
ADDITIONAL ACCESSORIES
_____________________________________________________________________________________________________
II. PRE-START-UP
Verify that all packaging materials have been removed from unit (Y/N) _____
Verify installation of outdoor air hood (Y/N) _____
Verify that condensate connection is installed per instructions (Y/N) _____
Verify that all electrical connections and terminals are tight (Y/N) _____
Check that indoor-air filters are clean and in place (Y/N) _____
Check that outdoor air inlet screens are in place (Y/N) _____
Verify that unit is level (Y/N) _____
Check fan wheels and propeller for location in housing/orifice and verify setscrew is tight (Y/N) _____
Verify that fan sheaves are aligned and belts are properly tensioned (Y/N) _____
Verify that scroll compressors are rotating in the correct direction (Y/N) _____
Verify installation of thermostat (Y/N) _____
III. START-UP
ELECTRICAL
Supply Voltage
L1-L2_____________
L2-L3_____________
L3-L1_____________
Compressor Amps 1
L1 _____________
L2 _____________
L3 _____________
Compressor Amps 2
L1 _____________
L2 _____________
L3 _____________
Supply Fan Amps
L1 _____________
L2 _____________
L3 _____________
TEMPERATURES
Outdoor-air Temperature
_____________ °F DB (Dry Bulb)
Return-air Temperature
_____________ °F DB
_____________
°
F Wb (Wet Bulb)
Cooling Supply Air Temperature
_____________ °F
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 preced-
ing sections of this Installation Instruction document.
Summary of Contents for 50HCQ07
Page 4: ...4 Fig 2 Unit Dimensional Drawing 07 08 Size Units ...
Page 5: ...5 Fig 2 Unit Dimensional Drawing 07 08 Size Units cont ...
Page 6: ...6 Fig 3 Unit Dimensional Drawing 09 Size Units ...
Page 7: ...7 Fig 3 Unit Dimensional Drawing 09 Size Units cont ...
Page 24: ...24 Fig 37 Electro Mechanical Control Wiring 50HCQ A07 D07 208 230v 460v 575v ...
Page 25: ...25 Fig 38 Electro Mechanical Control Wiring 50HCQ D07 Tier 2 1 Compressor 208 230v 460v 575v ...
Page 26: ...26 Fig 39 Electro Mechanical Control Wiring 50HCQ 08 09 208 230v 460v 575v ...
Page 27: ...27 Fig 40 Electro Mechanical Power Wiring 50HCQ A07 D07 208 230v 460v 575v ...
Page 28: ...28 Fig 41 Electro Mechanical Power Wiring 50HCQ D07 Tier 2 1 Compressor 208 230v 460v 575v ...
Page 29: ...29 Fig 42 Electro Mechanical Power Wiring 50HCQ 08 09 208 230v 460v 575v ...
Page 30: ...30 Fig 43 PremierLink Wiring Schematic 50HCQ07 09 208 230v 460v 575v ...
Page 31: ...31 Fig 44 RTU Open System Control Wiring ...
Page 49: ......