Bradford White Copper Brute II Installation And Operation Instructions For page 39

COPPER BRUTE II (500 - 2000) INSTALLATION AND OPERATING INSTRUCTIONS
MIXING VALVE
TB2-16 3 0-10 VDC
TB2-26 2 24 VAC
TB2-25 1 COMMON
TB2-15
MIXING VALVE REQ'D FOR LOW TEMP
OPERATIONS
X1-1
X1-14
FACTORY
INSTALLED X1-2
SENSORS
X1-13
X1-1
DUAL ELEMENT
1 2
OUTLET
10k
3 4 SENSOR
20k
2
INLET
SENSOR
1
FIELD INPUTS
TB1-1 FIELD
TB1-2 INTLK
TB1-3 CH1
TB1-4 CH1
TB1-5 DHW
TB1-6 DHW
TB1-7 CH2
TB1-8 CH2
TB1-9 FIELD
TB1-10 INPUT1
TB1-11 FIELD
TB1-12 INPUT2
TB1-13
SYSTEM
TB1-14
SUPPLY
TB1-15
TB1-16 SYSTEM
TB1-17 RETURN
TB1-18 DHW
TB1-19 DHW
TB1-20 OUTDOOR
TB1-21 OUTDOOR
TB1-22 BAS (-)
TB1-23 0-10V (+)
SYSTEM SUPPLY SENSOR WIRING (HYDRONIC & VOLUME WATER)
SYSTEM
SUPPLY
SENSOR
SIZE (MBTU/h)
COMPONENT 500 750 1000
BLOWER #1 X X X
BLOWER #2 N/A N/A N/A
HSI #1 X X X
HSI #2 N/A N/A X
GAS VALVE #1 X X X
GAS VALVE #1A N/A X N/A
GAS VALVE #2 X X X
GAS VALVE #3 N/A N/A X
GAS VALVE #3A N/A N/A N/A
GAS VALVE #4 N/A N/A N/A
FIELD OUTPUTS
TB2-1
SAFETY CHAIN
TB2-2
TB2-3
TB2-4
TB2-5
HEAT
DEMANDS TB2-6
TB2-7
TB2-8
TB2-9
TB2-10
FIELD
INPUTS TB2-11
TB2-12
TB2-13
TB2-14
SEE MIXING VALVE WIRING BELOW FOR
TB2-15 AND TB2-16
SENSOR
TB2-17
INPUTS
TB2-18
TB2-19
TB2-20
TB2-21
ANALOG TB2-22
INPUT
TB2-23
TB2-24
10K TB1-14
TB1-15
Page 39
1250 1500 1750 2000
X X X X
X X X X
X X X X
X X X X
X X X X
X X X X
X X X X
X X X X
N/A N/A X X
X X X X
INDICATES FIELD I/O
COMMON
RUN RELAY
N.C.
DRY CONTACTS
N.O.
COMMON
ALARM RELAY
N.C.
DRY CONTACTS
N.O.
AUX POWER
OUTPUTS
AUX
DHW
PUMP
SYSTEM
DRY
PUMP CONTACTS
AUX
AUX
PUMP(-) ANALOG
OUTPUT
0-10V(+)
B
RS485
A
BMS
GND
B
RS485
A
CASCADE
GND