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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480257-01
Printed in U.S.A.
Form 48TC-7-16-02SI
Pg CL-1
5-2020
Replaces: 48TC-7-16-01SI
START-UP CHECKLIST
—
48TC PACKAGED ROOFTOP UNITS WITH GAS HEAT
AND ELECTRIC COOLING
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 installation of flue exhaust and inlet hood (Y/N) _____
Verify that condensate connection is installed per instructions verify that all electrical (Y/N) _____
Connections and terminals are tight (Y/N) _____
Verify gas pressure to unit gas valve is within specified range (Y/N) _____
Check gas piping for leaks (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) _____
Verify that crankcase heaters have been energized for at least 24 hours (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)
_____________
°
F WB (Wet Bulb)
Return-air Temperature
_____________ °F DB
_____________
°
F WB (Wet Bulb)
Cooling Supply Air Temperature
_____________ °F
Gas Heat Supply Air
_____________ °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 preceding
sections of this Installation Instruction document.
Summary of Contents for WeatherMaker 48TC A/B07 Series
Page 5: ...5 Fig 2 Dimensional Drawing for Units Built On and After 4 15 19 Size 07 ...
Page 6: ...6 Fig 3 Dimensional Drawing for Units Built Prior To 4 15 19 Size 07 ...
Page 7: ...7 Fig 4 Unit Corner Weights and Clearances Size 07 ...
Page 8: ...8 Fig 5 Base Rail Details Size 07 ...
Page 9: ...9 Fig 6 Thru the Base Charts Size 07 ...
Page 10: ...10 Fig 7 Unit Dimensional Drawing Size 08 09 12 ...
Page 11: ...11 Fig 7 Unit Dimensional Drawing Size 08 09 12 ...
Page 12: ...12 Fig 8 Unit Dimensional Drawing Size 14 ...
Page 13: ...13 Fig 8 Unit Dimensional Drawing Size 14 cont ...
Page 14: ...14 Fig 9 Unit Dimensional Drawing Size 16 ...
Page 15: ...15 Fig 9 Unit Dimensional Drawing Size 16 cont ...
Page 20: ...20 Fig 14 48TC 16 Roof Curb Details ...
Page 39: ...39 Fig 69 48TC 07 14 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 40: ...40 Fig 70 48TC 16 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 57: ...57 Fig 83 Ultra Tech Scroll Compressor Diagram ...