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Internet Version for Reference Only
BRADFORD WHITE
Page 16
Copper Brute B4 Volume Water Heaters
Page 17
Figure 26. Typical example of wiring schematic, System 1, Sizes 175-250.
IGNITION SYSTEM NO. 1 (SIZES 175-250)
W
3
W
6
2
1
R
O
P
4
5
Y
R
10
11
12
Y
TR
Y
TH
8
9
6
7
4
5
2
3
BR
BR
BR
R
R
R
115V
1
Y
R
24V
ON/OFF WITH EM2
R
4
6
5
3
2
G
1
W
BK
BK
BK
R
1
3
P
BK
BK
W
BL
1
3
2
BR
5
4
BR
BK
BR
W
BK
BR
Y
T
A
B
O
FLOW
SWITCH
GAS VALVE
ALTERNATE WIRING FOR INDOOR INSTALLATION ONLY
PLUG
VENT DAMPER
VENT DAMPER
JUMPER
VENT DAMPER
RECEPTACLE
FUSIBLE
LINK
FIELD INTERLOCK
(REMOVE JUMPER
WHEN USED)
2 AMP
FUSE
HI-LIMIT
CONTROL
TEMP
RESET
MANUAL
STRIP
TERMINAL
TRANSFORMER
VENT DAMPER
ACTUATOR
M
VENT DAMPER
AND DRAFTHOOD
SWITCH, M. RESET
PILOT BURNER WITH
THERMOCOUPLE
SWITCH
POWER
LOW WATER
CUT-OFF (OPTIONAL)
GROUNDING
CONDUCTOR
PUMP
HOT
NEUTRAL
POWER SUPPLY
115/60HZ
PUMP
RELAY
BK
G
BK - BLACK
W - WHITE
R - RED
Y - YELLOW
BL - BLUE
BR - BROWN
O - ORANGE
G - GREEN
P - PURPLE
FACTORY WIRING
24V
115V
FIELD WIRING
24V
115V
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED
WITH THE HEATER MUST BE REPLACED, IT
MUST BE REPLACED WITH APPLIANCE WIRING
MATERIAL 105°C (220°F) OR ITS EQUIVALENT.
WHITE WIRES TO FUSIBLE LINK MUST BE
REPLACED WITH WIRE HAVING INSULATION
RATED AT 200°C (390°F). (AVAILABLE FROM
FACTORY).