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Hydronic piping, Installation & operation manual – Lochinvar 80 - 285 User Manual

Page 40

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Installation & Operation Manual

40

6

Hydronic piping

BOILER

INDIRECT

DHW TANK

DOMESTIC

HOT WATER

CIRCULATOR

BACKFLOW

PREVENTER

PRESSURE
REDUCING VALVE

PRESSURE

GAUGE

ANTI-SCALD

MIXING VALVE

COLD

WATER

IN

TEMPERATURE /

PRESSURE

GAUGE

AIR
SEPARATOR

EXPANSION

TANK

BALL VALVE

(TYPICAL)

UNION

(TYPICAL)

PRESSURE

RELIEF VALVE

DRAIN POINT

(TYPICAL)

MAKE UP WATER

FROM

SYSTEM

NOT TO EXCEED 4 PIPE DIA. OR MAX. OF 12" APART

BOILER
CIRCULATOR

SYSTEM

CIRCULATOR

TO

SYSTEM

SYSTEM SUPPLY
SENSOR

DRAIN

DIRT SEPARATOR
(RECOMENDED)

MAY SUBSTITUTE LOW LOSS HEADER

HOT

WATER

OUT

Figure 6-8 Single Boiler - Non-Zoned Primary/Secondary Piping