Figure 23. Field Wiring for Modes 1 - 5.

-

-

MODE 1

TSTAT

COM D

HT D

 

 

MODE 3

DHW SENSOR

BOILER SUPPLY SENSOR

-

-

MODE 2

TSTAT

COM D

HT D

S C2

SUP S

MODE 4

DHW HTING

TSTAT TSTAT

BOILER IN

-

 

 

 

-

 

 

 

 

 

 

 

 

BOILER OUT -

-

LWCO

TERMINAL STRIP

1 C

1 NO

2 C

2 NO

3 C

3 NO

 

***FACTORY JUMPER

 

 

 

SET D

COM D

HT D

HT OUT

4C

4 NO

IN S

S C1

OUT S

OD S

S C2

SUP S

 

 

FACTORY

 

 

 

 

JUMPER

 

 

COM

NO

COM

NO

ALRM

ALRM

 

 

LWCO

OTHER INTS

 

Page 34

SUPPLY

SENSOR

-

-

OUTDOOR SENSOR

-

-

S C2

SUP S

MODE 5

DHW HTING

TSTAT TSTAT

SET D

COM D

HT D

OD S

S C2

SUP S

OUTDOOR

 

 

 

SENSOR

SET D

COM D

HT D

 

 

 

 

-

 

 

 

-

 

 

 

OD S

S C2

 

FLOW

SWITCH

COM

NO

NC

LWCO

PMP

PMP

 

FLOW SWITCH

 

GND

 

 

 

 

 

 

 

ABOVE DIAGRAM SHOWS WIRING COMMON TO ALL

CONTROL MODES.

Note: Positions of field wiring terminals may vary, but terminal designations are as indicated.

BRADFORD WHITE CORP.

Page 34
Image 34
Bradford-White Corp BWCH, BWCV, Copper Brute II Hydronic Boiler warranty Field Wiring for Modes 1