ERV
HE1.5XRT
15
1.800.627.4499
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
WWW.RENEWAIRE.COM
INSTALLATION
WIRING SCHEMATICS
HE1.5XRT P3 IBC
THREE
PHASE UNIT WITH INDEPENDENT BLOWER CONTROL
HE1.5XRT P1 IBC
SINGLE PHASE UNIT WITH INDEPENDENT BLOWER CONTROL
TRANSFORMER with Circ
uit
Br
ea
ke
r
TRANSFORMER with Circ
uit
Br
ea
ke
r
24VAC
T1
L2
T2
L3
T3
L1
FUSES (opt.)
UNIT DISCONNECT
1
4
3
5
C
RELAY (FA)
1
4
3
5
C
RELAY (EA)
"UNIT CONTROL USING CLASS II 24VAC POWER PROVIDED BY THIS UNIT"
24VAC POWER AVAILABLE AT TERMINALS 1 & 2
INSTALL PROVIDED JUMPER BETWEEN TERMINALS 2 & 3
LA
BEL
PN
1659
47_
002
GND
Call for FA Blower Operation.
Call for EA Blower Operation.
Call for FA Blower Operation.
Call for EA Blower Operation.
24VAC OUT
Class II
24VAC
JUMPER
"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
1
2
3
4
5
1
2
3
4
5
24VAC
1L1
2T1
3L2
4T2
5L3
6T3
C
A2
A1
CONTACTOR (FA)
MOTOR
FA
MOTOR
EA
24VAC
1L1
2T1
3L2
4T2
5L3
6T3
C
A2
A1
CONTACTOR (EA)
POWER SUPPLY - 60 Hz
SEE UNIT RATING LABEL
FOR PHASE, VOLTAGE,
MCA AND MOPD.
L2 OMITTED WITH SINGLE-PHASE
POWER SUPPLY.
KEY:
"FA" = Fresh Outside Air Blower
"EA" = Exhaust Air Blower
FACTORY WIRING HIGH-VOLTAGE
FACTORY WIRING 24VAC
FIELD WIRING HIGH-VOLTAGE
FIELD WIRING 24VAC
DO NOT interconnect this unit's
Class 2 Power Supply with an
External Power Supply.
NOT AVAILABLE IN
EVERY UNIT
DOOR
INTERLOCK
SWITCH
This wire omitted with
single-phase power
supply.
These wires omitted
with single-phase
power supply.
TRANSFORMER with Circ
uit
Br
ea
ke
r
TRANSFORMER with Circ
uit
Br
ea
ke
r
24VAC
T1
L2
T2
L3
T3
L1
FUSES (opt.)
UNIT DISCONNECT
1
4
3
5
C
RELAY (FA)
1
4
3
5
C
RELAY (EA)
"UNIT CONTROL USING CLASS II 24VAC POWER PROVIDED BY THIS UNIT"
24VAC POWER AVAILABLE AT TERMINALS 1 & 2
INSTALL PROVIDED JUMPER BETWEEN TERMINALS 2 & 3
LA
BEL
PN
1661
10_
000
GND
Call for FA Blower Operation.
Call for EA Blower Operation.
Call for FA Blower Operation.
Call for EA Blower Operation.
24VAC OUT
Class II
24VAC
JUMPER
"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
1
2
3
4
5
1
2
3
4
5
POWER SUPPLY - 60 Hz
SEE UNIT RATING LABEL
FOR PHASE, VOLTAGE,
MCA AND MOPD.
KEY:
"FA" = Fresh Outside Air Blower
"EA" = Exhaust Air Blower
FACTORY WIRING HIGH-VOLTAGE
FACTORY WIRING 24VAC
FIELD WIRING HIGH-VOLTAGE
FIELD WIRING 24VAC
DO NOT interconnect this unit's
Class 2 Power Supply with an
External Power Supply.
24VAC
1L1
2T1
3L2
4T2
5L3
6T3
C
A2
A1
CONTACTOR (FA)
MOTOR
FA
24VAC
1L1
2T1
3L2
4T2
5L3
6T3
C
A2
A1
CONTACTOR (EA)
MOTOR
EA
DOOR
INTERLOCK
SWITCH
MOTOR THERMAL
PROTECTOR
WIRES
MOTOR THERMAL
PROTECTOR
WIRES
NOTE:
Schematics
shown are representative
of standard units. See
Unit Schematic label for
detailed information.