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Low Voltage
Wiring
BK
WT
WT
R
BL
BWC J-Box
FIGURE 7.0: Wiring BB100H to Boiler equipped with Type III MCBA
Low Voltage
Terminal Strip
Heating T-Stat
Low Voltage
Wiring
FIGURE 7.1: Wiring BB100H to Boiler equipped with Sola
1
2
3
Line Voltage
Circulator
CH
STAT
DHW
STAT
GND
AUX
LIMIT
L1
L2
OD
SENS
HEAD
SENS
4-20
mA
Line Voltage
Wiring
Heating T-Stat
4
5
6
Wiring
L1
L2
Relay 120 AC
Boiler
(Field Supplied)
GND
H
LINE
Boiler
Circulator
17
Low Voltage
7
8
Terminal Strip
BK - Black
WT- White
R - Red
BL - Blue
Line Voltage Factory Wiring
Line Voltage Field Wiring
(N.O.)
System Circulator
Line Voltage
Terminal Strip
N
H
N
H
N
H
BLR
DHW
PUMP
PUMP
PUMP
System
Circulator
N
SYS
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