Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53480283-01
Printed in U.S.A.
Form 48JC-4-6-01SM
Pg CL-2
10-21
Replaces: New
© 2021 Carrier
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PRESSURES
Verify refrigerant charge using charging charts
(Y/N) ______
GENERAL
Economizer minimum vent and changeover settings to job requirements (Y/N) ______
III. HUMIDI-MIZER
®
SYSTEM START-UP
STEPS
1. Use Service Test mode to turn on maximum cooling.
Turn on Cool A1 test under Cool Test menu (Y/N) ______
2. Turn on Cir A Loader test under the Cool Test menu.
OBSERVE AND RECORD
A. Suction pressure
____________ PSIG
____________ PSIG
B. Discharge pressure
____________ PSIG
____________ PSIG
C. Entering air temperature
____________ °F
____________ °F
D. Liquid temperature
at outlet or reheat coil
____________ °F
____________ °F
E. Confirm correct rotation for compressor (Y/N) ______
F. Check for correct ramp-up of outdoor fan motor as condenser coil warms (Y/N) ______
3. Check unit charge per charging chart (Y/N) ______
4. Switch unit to HIGH-LATENT mode (SUBCOOL) by turning Humidimizer test to SUBCOOL
under the COOL TEST menu (Y/N) ______
OBSERVE
A. Reduction in suction pressure (5 to 7 psi expected) (Y/N) ______
B. Discharge pressure unchanged (Y/N) ______
C. Liquid temperature drops to 50 to 55°F range (Y/N) ______
D. CLV solenoid energized (valve closes for no flow) (Y/N) ______
5. Switch unit to DEHUMID (REHEAT) by turning Humidimizer test to REHEAT under the COOL TEST menu (Y/N) ______
OBSERVE
A. Suction pressure increases to normal cooling level (Y/N) ______
B. Discharge pressure decreases 30 to 50 PSI (Y/N) ______
C. Liquid temperature returns to normal cooling level (Y/N) ______
D. CLV solenoid energized, valve closes for no flow (Y/N) ______
E. RDV solenoid energized, valve opens for flow (Y/N) ______
6. Switch unit to OFF by turning Humidimizer test to OFF under the COOL TEST menu
Compressor and outdoor fan stop, CLV and RDV solenoids de-energzed (Y/N) ______
Gas Inlet Pressure
in. wg
Gas Manifold Pressure
Stage No. 1
in. wg
Stage No. 2
in. wg
Refrigerant Suction
Circuit A
psig
Circuit A Superheat
degF
Refrigerant Discharge
Circuit A
psig
Circuit A Subcooling
degF
Содержание 48JC04-06
Страница 15: ...15 Fig 26 Condenser Fan Assembly Screw Pattern Sequence 1 2 3 4 5 NO SCREW Blank Tab...
Страница 30: ...30 Fig 52 Integrated Gas Controller IGC Board RED LED STATUS...
Страница 64: ...64 APPENDIX D WIRING DIAGRAMS Fig B 48JC 04 06 Control Wiring Diagram...
Страница 65: ...65 APPENDIX D WIRING DIAGRAMS Fig C 48JC 04 06 Power Wiring Diagram 208 230 460 3 60...