Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500204-01 Printed in U.S.A. Form 50FC-4-7-01SM Rev. A Pg CL-2 8-19 Replaces: New
© Carrier Corporation 2019
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CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE
IV. HUMIDI-MIZER
®
SYSTEM START-UP
STEPS
1. Start unit In cooling (Close Y1) (Y/N) _____
OBSERVE AND RECORD
A. Suction pressure _______________ PSIG
B. Discharge pressure _______________ PSIG
C. Entering air temperature _______________ ° F
D. Leaving air temperature _______________ ° F
2. Switch unit to mixed cool and reheat mode (subcool) (Y/N) _____
OBSERVE
A. Reduction in suction pressure (5 to 7 psi expected) (Y/N)_____
B. Discharge pressure unchanged (Y/N) _____
C. Delta temperature decreases, close to neutral air (Y/N) _____
3. Switch unit to hot gas reheat mode.
OBSERVE
A. Suction pressure increases to normal cooling level
B. Discharge pressure decreases (35 to 50 psi) (Limited by head pressure control)
C. Liquid temperature returns to normal cooling level
4. With unit in dehumid mode switch to heating and verify compressor and outdoor fan stop (Y/N) _____
5. Turn off heating, cooling, and reheat, restore set points for thermostat and humidistat (Y/N) _____
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