Hydronic piping, Installation & operation manual – Lochinvar KNIGHT WH 55 - 399 User Manual
Page 38
38
Installation & Operation Manual
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
MAY SUBSTITUTE LOW LOSS HEADER
Y-STRAINER
(RECOMMENDED)
HOT
WATER
OUT
FLOW CHECK
VALVE
Figure 6-3 Single Boiler - Primary / Secondary 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
6
Hydronic piping
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- SD (2 pages)
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