START-UP CHECKLIST
I. PRELIMINARY INFORMATION
OUTDOOR UNIT: MODEL NO.
INDOOR UNIT: MODEL NO.
SERIAL NO.
SERIAL NO.
ACCESSORIES: __________________________________________________________________________________
PISTONS (38HDC and 38QRC SYSTEMS ONLY):
INDOOR SIZE:
OUTDOOR SIZE (38QRC SYSTEMS ONLY):
REFRIGERANT PIPING: EQUIVALENT LINE LENGTH:
(IF OVER 50 FT)*
LIFT:
FAN COIL ABOVE OUTDOOR UNIT (IF OVER 25 FT)*?
FAN COIL BELOW OUTDOOR UNIT (IF OVER 25 FT)*?
*APPLIES ONLY TO 38HDC AND 38QRC UNITS USING LONG-LINES APPLICATIONS. MAXIMUM EQUIVALENT
LINE LENGTH FOR 38HDS SYSTEMS IS 50 FT. MAXIMUM LIFT ON 38HDS APPLICATIONS IS 30 FT FROM
LOWEST SYSTEM POINT TO HIGHEST SYSTEM POINT.
PRE-START-UP
INDOOR UNIT (REFER TO OUTDOOR UNIT INSTALLATION INSTRUCTIONS FOR OUTDOOR UNIT
PRE-START-UP FUNCTIONS)
IS THERE ANY SHIPPING DAMAGE?
IF YES, WHERE?
WILL THIS DAMAGE PREVENT UNIT START-UP?
IS POWER SUPPLY CORRECT?
(115-V FOR 40QAB024-048, 115 V UNITS; OR 208/230 V FOR
40QAB024-048, 208/230 V UNITS AND ALL 40QAB060 AND 40QAE024-060 UNITS. ALL SYSTEMS REQUIRE
SINGLE-PHASE POWER)
HAS GROUND WIRE BEEN CONNECTED?
HAS THE CORRECT SIZE FUSE OR HACR BREAKER BEEN PROVIDED?
ARE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?
IS THE DISCONNECT SWITCH INSTALLED IN SIGHT FROM THE UNIT?
IS THE LOW-VOLTAGE CABLE (INDOOR TO OUTDOOR UNIT) RUN AND CONNECTED PROPERLY?
HAS CONDENSATE DRAIN BEEN RUN, SLOPED, AND TRAPPED PROPERLY?
IS AIR FILTER(S) IN PLACE?
IS UNIT MOUNTED LEVEL?
IS COOLING PISTON INSTALLED (FIG. 13), THE CORRECT SIZE, AND IN THE CORRECT DIRECTION
(38HDC AND 38QRC SYSTEMS ONLY)?
IS HEATING PISTON INSTALLED (FIG. 14), THE CORRECT SIZE, AND IN THE CORRECT DIRECTION
(38QRC SYSTEMS ONLY)?
PIPING
IS A LIQUID LINE SOLENOID INSTALLED IF REQUIRED BY LONG-LINE APPLICATIONS
(38HDC AND 38QRC SYSTEMS ONLY)?
IS FILTER DRIER INSTALLED AT THE OUTDOOR UNIT (38HDC AND 38QRC SYSTEMS ONLY)?
HAVE LEAK CHECKS BEEN MADE AT THE COMPRESSOR, OUTDOOR UNIT, FLARE CONNECTIONS, FILTER
DRIERS, AND FUSIBLE PLUGS WITH A LEAK DETECTOR?†
†FIELD PIPING AND ALL TUBING CONNECTIONS MUST BE LEAK TESTED BY THE PRESSURE METHOD DE-
SCRIBED IN CARRIER GENERAL TRAINING FOR AIR CONDITIONING MANUAL (GTAC2), MODULE 5. USE
R-22 AT APPROXIMATELY 25 PSIG BACKED UP WITH AN INERT GAS TO REACH A TOTAL SYSTEM PRESSURE
NOT TO EXCEED 245 PSIG.
CL-1
Summary of Contents for 40QA
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