HE4XRT
Due to continuing product development, specifications are subject to change without notice.
© 2012 RenewAire LLC
134775_005 HE4XRTMan_Jan12.indd Revised 01/2012 www.renewaire.com
Page 7
HE4XRT P3 Wiring Schematics with Independent Blower Control
24VAC
24VAC
MOTOR
(OA)
MOTOR
(EA)
C
1
2
3
4
5
POWER SUPPLY
3 PHASE 60Hz
SEE UNIT RATING LABEL
FOR VOLTAGE, MCA
AND MOPD
Call for OA Blower Operation.
C
OPTIONS INSTALLED: INDEPENDENT BLOWER CONTROL
GND
Call for EA Blower Operation.
RELAY
1
2
3
4
5
Call for OA Blower Operation.
Call for EA Blower Operation.
OUT 24VAC
Class II
RELAY
TRANSFORMER AND CIRCUIT
BREAKER
DISCONNECT
SWITCH
MOTOR STARTER
MOTOR STARTER
FUSE
(IF INSTALLED AT FACTORY)
24VAC
JUMPER PROVIDED
FACTORY SETTINGS:
Overload Relay Trip Settings = Motor Nameplate FLA
Overload Relay Mode Settings:"Manual" position
KEY:
"OA" = Outside Air Blower
"EA" = Exhaust Air Blower
FACTORY WIRING HIGH-VOLTAGE
FACTORY WIRING 24VAC
FIELD WIRING
"UNIT CONTROL USING CLASS II 24VACPOWER PROVIDED BY THIS UNIT"
24VAC POWER AVAILABLE AT TERMINALS 1 & 2
INSTALL PROVIDED JUMPER BETWEEN TERMINALS 2 & 3
"UNIT CONTROL USING CLASS II 24VAC POWER FROM ANOTHER POWER SOURCE"
24VAC POWER AVAILABLE AT TERMINALS 1 & 2
DO NOT INSTALL JUMPER BETWEEN TERMINALS 2 & 3
