Appendix a - boiler piping and wiring 44 – Dunkirk Q95M-200 Modulating Condensing Boiler User Manual

Page 44

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TR

ANSFORMER

24V

AC 40

VA

Black

White

Yellow

Yellow

DHW C1
DHW C2

CH C2

CH C1

A2

DWH T1
DHW T2

A1

BOILER CONTROL PANEL

CH T1
CH T2

L1
L2

120 V

WHITE
BLACK

BOILER

1 CIRC

DHW C1
DHW C2

CH C2

CH C1

A2

DWH T1
DHW T2

A1

BOILER CONTROL PANEL

CH T1
CH T2

L1
L2

BOILER

2 CIRC

AMB-4

BOILER

1

BOILER

2

IF USING REQ/ACK CONNECT HERE

(TT/THERMOSTAT DRY CONTACT)

IF USING EXTERNAL DAY/NIGHT FEATURE

CONNECT HERE (DRY CONTACT)

TO PRIORITY IF USING

(DRY CONTACT)

WATER SENSOR

OUTSIDE SENSOR

TO

AUXILIARY

DEVICE

TO

BOILER

T-T

TO

BOILER T-T

(TERMINALS

1&2)

TR

ANSFORMER

24V

AC 40

VA

Black

White

Yellow

Yellow

DHW C1
DHW C2

CH C2

CH C1

A2

DWH T1
DHW T2

A1

BOILER CONTROL PANEL

CH T1
CH T2

L1
L2

120 V

WHITE
BLACK

BOILER

1 CIRC

DHW C1
DHW C2

CH C2

CH C1

A2

DWH T1
DHW T2

A1

BOILER CONTROL PANEL

CH T1
CH T2

L1
L2

BOILER

2 CIRC

AMB-8

BOILER

1

BOILER

2

IF USING REQ/ACK CONNECT HERE

(TT/THERMOSTAT DRY CONTACT)

IF USING EXTERNAL DAY/NIGHT FEATURE

CONNECT HERE (DRY CONTACT)

TO PRIORITY IF USING

(DRY CONTACT)

WATER SENSOR

OUTSIDE SENSOR

TO

BOILER T-T

(TERMINALS

1&2)

TO

BOILER

T-T

TO

BOILER

T-T

TO

BOILER

T-T

TO

BOILER

T-T

TO

BOILER T-T

(TERMINALS

1&2)

Wiring Diagram 9: Multiple Boiler Wiring (AMB-4)

Wiring Diagram 10: Multiple Boiler Wiring (AMB-8)

APPENDIX A - BOILER PIPING AND WIRING

44

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