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A131
Fixed Relay Board
B26
Motor, Exhaust Air
B27
Motor, Intake Air
B28
Motor, Desiccant Wheel
B30
Motor, Damper Intake (Optional)
B31
Motor, Damper Exhaust (Optional)
C23
Capacitor, Wheel Motor
F29
Fuse
J48
Jack, Control Box (Intake Air)
J50
Jack, Control Box (Wheel)
J51
Jack, Control Box (Exhaust Air)
J56
Jack, Control Box (Damper)
J148
Jack, Intake Air Motor Harness
J150
Jack, Wheel Motor Harness
J151
Jack, Exhaust Air Motor Harness
R28-18YSDW
COMPONENT CODE
J152
Jack, Transformer (High Voltage)
J153
Jack, Field Harness
J160
Jack, Damper Intake Motor Harness
J161
Jack, Damper Exhaust Motor Harness
K163
Contactor, Exhaust Air Motor
K164
Contactor, Intake Air Motor
MPD-1
Missing Pulse Detector Board (Optional)
P48
Plug, Intake Air Motor Harness
P50
Plug, Wheel Motor Harness
P51
Plug, Exhaust Air Motor Harness
P56
Plug, Damper Motor Harness
P148
Plug, Intake Air Motor
P150
Plug, Wheel Motor
P151
Plug, Exhaust Air Motor
P152
Plug, Transformer (High Voltage)
Notes:
1.
Remove jumper to install field optional low ambient switch.
2.
Step-down transformer assembly for 460/575 volt units.
3.
Selective voltage terminal for proper unit voltage
4.
Optional low ambient switch.
5.
Optional motorized intake damper.
6.
Optional stop, start and jog control (Climate Smart).
7.
Matching adapter harness (provided) to connect with rooftop unit.
8.
Optional motorized exhaust damper.
9.
Optional wheel rotation sensor.
10.
Optional smoke detector.
PAGE 10
P153
Plug, Field Harness
P160
Plug, Damper Intake Motor Harness
P161
Plug, Damper Exhaust Motor Harness
RS-1
Rotation Sensor (Optional)
S26
Switch, Low Ambient (Optional)
S51
Switch, Door
S52
Switch, Damper Intake
S53
Switch, Damper Exhaust
SD
Smoke Detector (Optional)
SSJ
Climate Smart Board (Optional)
T27
Transformer, Control
T28
Transformer, Step-down (Optional)
TB37
Terminal Block (Low Voltage)
TB39
Terminal Block (Monitoring)
WHL
Relay, Wheel Motor
WIRE COLOR
CODE
BK
Black
BL
Blue
GR
Green
GY
Gray
OR
Orange
PK
Pink
RD
Red
WT White
YL
Yellow
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