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Hydronic piping, Installation & operation manual – Lochinvar SYNC 1.0 User Manual

Page 29

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Installation & Operation Manual

5

Hydronic piping

(continued)

HOT WATER

GENERATOR

SYSTEM
CIRCULATOR

AIR SEPARATOR

MAKE UP

WATER

DRAIN POINT

(TYPICAL)

SYSTEM SUPPLY

SENSOR

BALL VALVE

(TYPICAL)

MODULE 2

BOILER PUMP

PRESSURE RELIEF

VALVE

FLOW CHECK

VALVE (TYPICAL)

PRESSURE REDUCING

(VALVE)

EXPANSION

TANK

UNION (TYPICAL)

TEMPERATURE /

PRESSURE GAUGE

DRAIN

WATER GENERATOR

CIRCULATOR

(TYPICAL)

BACK FLOW

PREVENTER

PRESSURE GAUGE

MODULE 1

BOILER PUMP

TO

SYSTEM

FROM SYSTEM

Figure 5-5 Single Boiler - Primary/Secondary Piping

NOTICE

System flow should always remain higher than the required flow for the boiler(s) when the boiler(s) is in
operation to prevent short cycling and high limit issues.

29

NOTICE

A system supply sensor (factory
supplied) MUST BE installed for proper
boiler operation.