Hydronic piping, Installation & operation manual – Lochinvar KNIGHT WH 55 - 399 User Manual
Page 40
40
Installation & Operation Manual
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)
DRAIN
DRAIN POINT
(TYPICAL)
MAKE UP
WATER
HOT
WATER
OUT
ZONE CIRCULATORS
(TYPICAL)
FLOW CHECK
VALVE
(TYPICAL)
BOILER
CIRCULATOR
SYSTEM SUPPLY SENSOR
PRESSURE
RELIEF VALVE
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE LOW LOSS HEADER
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
ZONE #1
ZONE #2
ZONE #3
ZONE #4
Figure 6-5 Single Boiler - Single Temperature Zoned with Circulators - DHW Priority
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