Wiring Diagram - Bosch BGH96M060B3B Installation Instructions Manual

96% afue condensing gas furnace
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Installation Instructions

17 Wiring Diagram

DSP1
E39
FS1
E22
10
11
12
7
8
9
4
5
6
1
2
3
BL
BL
YL BR
YL
BR
PU
PU
2nd STAGE
2nd STAGE
P P
RESSURE
RESSURE
SWITCH
SWITCH
PU
PU
NC(C)
NC(C)
C(NC)
C(NC)
P P
RESSURE
RESSURE
SWITCH
SWITCH
Switch ON Position
Switch ON Position
See image to the right,switch
position is DOWN for ON.
96% machine
windshield setting
ON
120D
1 2 3
ON
100D
1 2 3
ON
100C
1 2 3
ON
80C
1 2 3
ON
80B
1 2 3
ON
60B
1 2 3
Figure 49
5 8 |
COM
E14
S3
S2
ON
ON
ON
SW1
HI
E13
MH
E190
1 2 3 4
1 2
3 4
1 2
ML
E9
LO
E8
EAC-H
E10
INTEGRATED
INTEGRATED
CONTROL MODULE
CONTROL MODULE
E29
CIRC-H
E15
L1
XFMR
E16
HUM
E28
E17
E18
E19
E20
E40
E21
1
2
3
4
5
GR/YL
GR/YL
BK
BK
WH
WH
REVERSE FLOW LIMIT
REVERSE FLOW LIMIT
REVERSE FLOW LIMIT
REVERSE FLOW LIMIT
GY
GY
GY
GY
1st STAGE
1st STAGE
PRIMARY
PRIMARY
ROLLOUT
ROLLOUT
ROLLOUT
ROLLOUT
PRESSURE
PRESSURE
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
SWITCH
SWITCH
Switch OFF Position
Switch OFF Position
See image to the right,switch
position is UP for OFF.
FAN SPEED
BR
RD
YL
BL
PU
BK
RD
5 5
YL
BK
4 4
BL
3 3
BK
PU
2 2
1 1
WH
WH
WH
SPEED TAPS
LOW
MEDIUM LOW
MEDIUM
MEDIUM HIGH
HIGH
FLAME
FLAME
SENSOR
SENSOR
Bosch 96% AFUE Condensing Gas Furnace - BTC 770503101 J (06.2023)
WH
G G
BK
L L
BR
C C

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