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A131
Fixed Relay Board
B26
Motor, Exhaust Air
B27
Motor, Fresh Air
B28
Motor, Desiccant Wheel
B30
Motor, Damper (Optional)
B31
Motor, Damper Exhaust (Optional)
C23
Capacitor, Wheel Motor
C25
Capacitor, Motor Exhaust Air
C26
Capacitor, Motor Fresh Air
F29
Fuse
J48
Jack, Control Box (Fresh Air)
J50
Jack, Control Box (Wheel)
J51
Jack, Control Box (Exhaust Air)
J56
Jack, Control Box (Damper)
J148
Jack, Fresh Air Motor Harness
J150
Jack, Wheel Motor Harness
Notes:
1. Re move jumper to in stall field op tional low am bi ent switch.
2. Step-down trans former as sem bly for 460/575 volt units (only) con nect be tween J50 and P50.
3. Se lec tive volt age ter mi nal for proper unit volt age.
4. Op tional low am bi ent switch.
5. Op tional mo tor ized in take damper.
6. Op tional stop, start and jog con trol.
7. Unit may be wired for HI, MED, or LO speeds. Di a gram shows the HI speed setup, to re wire for MED or LO speed,
dis con nect BK-101 from re lays and con nect BL-101 for MED, or RD-101 for LO. Also con nect WH-101 to BK-101.
8. Op tional mo tor ized ex haust damper.
9. Op tional wheel ro ta tion sen sor.
10. Op tional smoke de tec tor
11. Match ing adapter har ness (pro vided) to con nect with roof top unit.
COMPONENT CODE
J151
Jack, Exhaust Air Motor Harness
J152
Jack, Transformer (High Voltage)
J153
Jack, Field Harness
J160
Jack, Damper Motor Harness
J161
Jack, Damper Exhaust Motor Harness
K163
Relay, Exhaust Air Motor
K164
Relay, Fresh Air Motor
MPD-1
Missing Pulse Detector Board (Optional)
P48
Plug, Fresh Air Motor Harness
P50
Plug, Wheel Motor Harness
P51
Plug, Exhaust Air Motor Harness
P56
Plug, Damper Motor Harness
P148
Plug, Fresh Air Motor
P150
Plug, Wheel Motor
P151
Plug, Exhaust Air Motor
P152
Plug, Transformer (High Voltage)
PAGE 9
P153
Plug, Field Harness
P160
Plug, Damper Motor
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
SSJ
Climate Smart Board (Optional)
T27
Transformer, Control
T28
Transformer, Step-down (Optional)
T47
Transformer, Step-down (Optional)
TB37
Terminal Block (Low Voltage)
TB38
Terminal Block (Monitoring)
TB57
Terminal Block (High Voltage)
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
R11A-29YSDW
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