Appendix a - boiler piping and wiring 29, Ar822-ii, Boiler control panel – Dunkirk Q95M-200 Modulating Condensing Boiler User Manual

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NOTE: NOT RECOMMENDED FOR ANTIFREEZE APPLICATIONS

Hotline indirect water heater

CH C1

L1

T-STAT

L2

CH C2

DHW C2

DHW C1

DHW T2

A2

A1

DHW T1

CH T2

CH T1

OUTDOOR

AIR SENSOR

aquastat or thermostat

Boiler Control Panel

DHW CIRC

L1 (HOT)

L2 N

120V AC

NO

L2

VAC

120

4

4

NC

AR822-II

TORQUE TERMINAL

6 TO 7 INCH LBS

ELEC

TR

ONIC FUSE

CIR

CUIT ON

AR822-TT

R

T

TT

NO

24V

W C

T

5

SCREWS

NC

6 6

CH CIRC

Piping Diagram 1: Single Zone System With Domestic Hot Water Priority

Wiring Diagram 1 : Single Zone System With Domestic Hot Water Priority

APPENDIX A - BOILER PIPING AND WIRING

29

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