Installation manual
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T 1-855-247-4200
F 1-800-494-4185
Residential Wiring Diagram Models 150ERV and 200ERV
K6
K5
K7 K3 K4
P4
B
LUE
K
2
AUTO-
TRANSFORMER
HIGH VOLTAGE
12V LOW VOLTAGE
LEGEND
CAPACITOR
B
R
O
WN
BLACK
GREEN
DIRECT
MOUNTED
CAPACITOR
B
R
O
WN
WHITE
SEE
DEFROST
DETAIL
P1
P
3
Note: If any of the original
wire supplied with the unit
must be replaced, use only
TEW certified wire.
IMPORTANT: Control low voltage is 12VAC.
DO NOT CONNECT EXTERNAL POWER
SOURCES TO THE UNIT.
DEFROST DETAILS
P1
12
3
4
PIN 1 - BLACK
PIN 2 - ORANGE
PIN 3 - RED
PIN 4 - SPARE
PCB PLUG - IN
RED
BLACK
PLUG IN
BI-DIRECTIONAL
ORANGE
RED
BLACK
ORANGE
CONNECTOR
DAMPER MOTOR
AUTO-TRANSFORMER DETAIL
PINS 1, 2, AND 3 ARE OPTIONAL
3
2
2
1
1
5
6
4
P3
P6
P3
PIN 1 - BLUE PIN 4 - RED
PIN 2 - YELLOW PIN 5 - WHITE
PIN 3 - BROWN PIN 6 - BLACK
P6
PIN 1 - GREEN
PIN 2 - GREEN
PLUG IN CONNECTOR
AUTO
TRANSFORMER
FAN
MOTOR
P1
12
3
4
PIN 1 - RED
PIN 2 - ORANGE
PIN 3 - BLACK
PIN 4 - SPARE
PCB PLUG - IN
95 Models, RX Models
G
REEN
WHITE
B
LACK
ON
LOW
R
ED
YEL
GRN
HI
COM
NO
NC
B
LK
Standard Thermistor
Located in “Fresh Air
from Outside”
59-TI-89
REV. A
150ERVD Model
P7
COMMS
P
9
T4
P5
S
1
K1
T9
CAUTION: CAUTION: ELECTRICAL CONTROL PANEL. SERVICE BY ELECTRICIAN ONLYELECTRICAL CONTROL PANEL. SERVICE BY ELECTRICIAN ONLY
32