Broan ERV90HCS - Manual (Page 20)

6. WIRING DIAGRAM
WARNING
Risk of electrical shocks. Before performing any maintenance or servicing, always disconnect the unit from its
power source.
!
Field wiring
remote control
(s
ee note
s
3
& 4)
120 V,
60 Hz
W1
J5 J7 J6 J4
ELECTRONIC
A
SS
EMBLY
1 2 3 1 2 1 2 1 2 3
1
2
3
4
1 2
1 2
3 4 5
J9
J11
J10
1
2
J12
J1
3
J14
10 9 8 7 6 5 4 3 2 1
B
24 V cl
ass
2
9.5 V cl
ass
2
120V, 60Hz
Ne
u
tr
a
l
120 V,
60Hz
Line
CPU
K2 K4 K5
J5-2
J10-1
J10-2
Line volt
a
ge f
a
ctory wiring
Cl
ass
2 low volt
a
ge f
a
ctory wiring
Cl
ass
2 low volt
a
ge field wiring
S
ee note 1
120 V 90 V 6
8
V
ne
u
tr
a
l
Door interlock
s
witch
(m
a
gnetic
a
lly
a
ct
ua
ted
Exh
aus
t f
a
n
motor
1
2
3
4
5 1
2
1 2
J
3
J2
J1
t˚
D
a
mper motor
BK
Override s
witch
F
u
rn
a
ce
b
lower interlock
J14-1 : NO J14-2 : COM J14-
3
: nc
(option
a
l;
s
ee note
s
3
, 5)
DAMPER ELECTRONIC A
SS
EMBLY
Defro
s
t
temper
a
tu
re
s
en
s
or
WIRING DIAGRAM
LOGIC DIAGRAM
Exh
aus
t f
a
n motor
Su
pply f
a
n motor
J5-1 J5-
3
J7-2 J7-1 J4-1 J4-
3
J6-2 J6-1
K1 K
3
K2
24 V cl
ass
2
9.5 V cl
ass
2
120 V
90 V 6
8
V
ne
u
tr
a
l
J9-1 J9-2 J9-
3
J4-2
J9-4
Exh
aus
t f
a
n motor
c
a
p
a
citor
Su
pply f
a
n motor
c
a
p
a
citor
J
8
-1
J
8
-2
J
8
-4
J
8
-5
K4
J12-2 J12-1
A1
D
a
mper motor
J
3
-2
J
3
-1
J2-2 J2-1
F1
J12-5 J12-4 J12-
3
J2-
3
J2-4 J2-5
Door interlock
s
witch
J11-2 J11-1
K1 K
3
K5
J14-
3
J14-1 J14-2
F
u
rn
a
ce
b
lower
interlock (option
a
l;
s
ee
note
s
3
, 5)
J14-4 J14-5 J14-6 J14-7 J14-
8
J14-9 J14-10
Override s
witch
(option
a
l;
s
ee
note
s
3
, 4)
Field wiring remote control
(
s
ee
note
s
3
, 4)
ICP
BK
Y
R
G
W
W
BK
W BL R
G
BK
BL
BN
BN
BK BK BK BK BK
BL
Exh
aus
t f
a
n
motor
c
a
p
a
citor
Su
pply f
a
n
motor
c
a
p
a
citor
Su
pply f
a
n
motor
G
G
BN
BN
Y
Y BK
W
A2
A2
M
3
T1
S
1
R1
A1
F1
M1 C1 C2 M2
(option
a
l;
s
ee
note
s
3
& 4)
VE01
3
0A
NOTE
S
1. For
contin
u
ed fire protection. U
s
e
s
pecified UL li
s
ted/C
S
A
Certified line f
us
e.
2. If
a
ny of the origin
a
l wire,
as
su
pplied, m
us
t
b
e repl
a
ced,
us
e the
sa
me e
qu
iv
a
lent wire.
3
. Field wiring m
us
t comply with
a
pplic
ab
le code
s
,
ordin
a
nce
s
a
nd reg
u
la
tion
s
.
4. Remote control
s
(cl
ass
2 circ
u
it)
a
v
a
ilab
le,
s
ee in
s
tr
u
ction m
a
n
ua
l.
COLOR CODE
BK BLACK BL
B
L
U
E
BN BROWN G GREEN R RED W
WHITE
Y YELLOW nc no
connection
5. F
u
rn
a
ce f
a
n circ
u
it m
us
t
b
e cl
ass
2 circ
u
it only.
Critic
a
l ch
a
ra
cteri
s
tic.
reed
s
witch)
FAN MOTOR
S
S
PEED
S
ELECTION
S
ETTING
FAN
S
PEED
S
F
a
ctory
s
hipped
Low - High
Low-Med
s
elect
Low- Med
JU1
1
2
3
JU1
1
2
3
1
2
3
4
5
J
8
JU1
1
2
3
MED HI
K1
K2
3
2
1 HI MED
JU
1
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