71
1.800.627.4499
Premium Commercial Controls
ERV
I/O AND UNIT WIRING
NOTE: This wiring
schematic is
TYPICAL control
wiring for a three
phase, 208-230VAC and
460VAC input for models
HE-2X, HE3X, HE-4X, HE-
6X, and HE-8X. A unit-spe-
cific electrical schematic
is found inside the access
door to the core module.
CHANG
ES
NA
M
E
REV.
DA
TE
SCHEM
E
Acc
y Wi
ring
Re
new
Aire
1
A
B
C
D
E
New
0
10
/19/2017
aus
tine
1
10
/19/2017
aus
tine
Up
da
ted G0 Con
ne
cti
on
s
2
7/
31/2018
aus
tine
Up
da
ted Dam
per
Co
lo
rs
3
HE
-2_HE-8
XJx
xx-x34,35xx
--xAx1,3x-xx_002
2
3
4
5
6
7
8
9
10
11
12
13
X3
21
X3
24
X3
23
X3
22
X3
30
X3
29
X3
28
X3
27
X3
26
X3
25
Sensor 24 VAC
NO
4
Ac
cy COM
Ac
cy COM
Accy 24 VAC
X1
4
X1
3
X1
2
X1
1
EF
EN1
UE1
SD1
Factory Jum
per
NO
3
Ac
cy COM
X1
7
X1
8
X1
6
EF En
NO
1
NO
2
X1
10
X2
12
X2
11
X1
9
EXP C1/
2
EXP NO 2
EXP NO 1
Unit
Enab
le
Sensor COM
SF En
Ac
cy 24 VAC
EF On
ly Enable
Sensor 24 VAC
C1/2
X2
20
X2
19
X2
18
X2
17
X2
16
X2
15
X2
14
X2
13
Exh Fan
Only Enab
le
Unit
Enab
le
Sm
oke Dete
ctor
NO
5
X1
5
Factory Jum
per
ORG
BL
YEL
BL
BLK
BL
K/
PK
RED
RE
D/B
R
COM
HOT
DAMPE
R1
OA/FA
COM
HOT
DAMPE
R2
EA/RA
BL
YEL
PUR
ORG
COM
HOT
DAMPE
R3
Bypass
Factory J
um
per - remo
ve if dam
per en
d switch
is
used
Factory J
um
per - remo
ve if dam
per en
d switch
is
used
8.3.7 Sample Field Wiring Schematic
