Appendix a - boiler piping and wiring 42 – Dunkirk Q95M-200 Modulating Condensing Boiler User Manual

Page 42

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BOILER

WATER INLET

ALTERNATE

CIRCULATOR

LOCATION

TO SYSTEM

FROM SYSTEM

CIRCULATOR

SHUT-OFF

VALVE

PRESSURE

REDUCER VALVE

CHECK VALVE

BALL VALVE

3 WAY MIXING

VALVE

AIR SEPARATOR

HOSE BIB

EXPANSION

TANK

BOILER

ALTERNATE

CIRCULATOR

LOCATION

TO SYSTEM

FROM SYSTEM

V2

V1

CIRCULATOR

SHUT-OFF

VALVE

PRESSURE

REDUCER VALVE

CHECK VALVE

BALL VALVE

AIR SEPARATOR

ZONE VALVE

EXPANSION

TANK

WATER INLET

SYSTEM

CIRCULATOR

Piping Diagram 8 : Bypass Piping (Automatic Mixing Valve)

Piping Diagram 9 : Bypass Piping (Fixed Low Temp Only)

APPENDIX A - BOILER PIPING AND WIRING

42

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