Bradford White Copper Brute B4 Installation, Operation & Maintenance Instructions Manual page 19

Internet Version for Reference Only
Copper Brute B4 Volume Water Heaters
R
MANUAL
RESET
HI-LIMIT
R
TEMP
CONTROL
R
Figure 28. Typical example of wiring schematic, System 1, Sizes 325-400
IGNITION SYSTEM NO. 1 (SIZES 325-400)
2 AMP
TRANSFORMER
FUSE
R
24V
Y
TERMINAL
STRIP
R
1
R
2
3
4
5
6
7
8
9
10
11
12
ON/OFF WITH Em2
BK BR
115V
P 1 2 3
W
BK
PUMP
W
RELAY
1
BR
A
O
T
3
Y
B
FIELD INTERLOCK
(REMOVE JUMPER
WHEN USED)
FLOW
SWITCH
BR
BR
BR
TH
Y
Y
TR
GAS VALVE
LOW WATER
4 5
CUT-OFF (OPTIONAL)
POWER
SWITCH
BK
BL
POWER SUPPLY
W
PUMP
BR
BR BK
BK - BLACK
W - WHITE
R
Y
BL - BLUE
BR - BROWN
O
G
P
FACTORY WIRING
FIELD WIRING
PILOT BURNER WITH
THERMOCOUPLE
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).
Page 19
HOT
BK
115/60 HZ
W
NEUTRAL
GROUNDING
CONDUCTOR
G
- RED
- YELLOW
- ORANGE
- GREEN
- PURPLE
24V
115V
24V
115V