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Hydronic piping, Installation & operation manual – Lochinvar KNIGHT WH 55 - 399 User Manual

Page 46

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Installation & Operation Manual

46

BOILER

INDIRECT

DHW TANK

ANTI-SCALD
MIXING VALVE

COLD
WATER
IN

TEMPERATURE /

PRESSURE

GAUGE

AIR SEPARATOR

BALL VALVE

(TYPICAL)

UNION

(TYPICAL)

PRESSURE

RELIEF VALVE

DRAIN POINT

(TYPICAL)

MAKE UP

WATER

HOT

WATER

OUT

BACKFLOW

PREVENTER

PRESSURE

REDUCING VALVE

PRESSURE

GAUGE

EXPANSION

TANK

ZONE VALVES
(TYPICAL)

DIFFERENTIAL
PRESSURE
BYPASS VALVE
(RECOMMENDED)

SYSTEM SUPPLY

SENSOR

DRAIN

Y-STRAINER
(RECOMMENDED)

BOILER

CIRCULATOR

ZONE #1

ZONE #2

ZONE #3

ZONE #4

Figure 6-11 Single Boiler - Full Flow - Single Temperature Zoned with Valves - DHW Piped as a Zone

6

Hydronic piping

Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.

NOTICE

It is the responsibility of the installer to ensure that the minimum flow requirements of the boiler are met at
all times during boiler operation. If the minimum flow requirements cannot be met at any time the boiler
must be hydraulically separated from the system.

NOTICE