Bryant 551K 04N Series Service And Maintenance Instructions page 92

IV. PERFECT HUMIDITY™ SYSTEM START-UP
STEPS
1. Start unit In cooling (Close Y1) (Y/N) _____
OBSERVE AND RECORD
A. Suction pressure
B. Discharge pressure
C. Entering air temperature
D. Leaving air temperature
2. Switch unit to mixed cool and reheat mode (subcool)
OBSERVE
A. Reduction in suction pressure (5 to 7 psi expected)
B. Discharge pressure unchanged
C. Delta temperature decreases, close to neutral air
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
5. Turn off heating, cooling, and reheat, restore set points for thermostat and humidistat
Copyright 2019 Bryant Heating & Cooling Systems
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
_______________ PSIG
_______________ PSIG
_______________ ° F
_______________ ° F
(Y/N) _____
(Y/N)_____
(Y/N) _____
(Y/N) _____
Cat. No. 04-53551012-01 Edition Date: 10-19
(Y/N) _____
(Y/N) _____
Printed in U.S.A. Form No: SM551K-4-6-01
CL-2 Replaces: New