Wiring Guide

P353-24V-TRANS_STAGED_CONTROL
Fan
Motor 4
P352AB S352AA
D352AA
S352AA
S352AA
P399 Transducer
Condenser
Pressure
WHA-P399 Wiring Harness
Fan
Motor 3
Fan
Motor 2
Fan
Motor 1
Figure 2: P352 Staged Pressure Control Using a Separate 24 VAC Power Supply
with the P399 Transducer Located Less Than 50 Feet from the Control
Controls Group
507 E. Michigan Street
P.O. Box 423 Published in U.S.A.
Milwaukee, WI 53201
www.johnsoncontrols.com
2 P352 Staged ON/OFF Pressure Control Application Note