4
Hydronic piping
(continued)
31
Installation & Service Manual
Figure 4-5_
Single Boiler - Primary / Secondary with Low Temperature Bypass
EXPANSION TANK
AIR SEPARATOR
PRESSURE REDUCING
VALVE
BACK FLOW
PREVENTER
BALL VALVE
(TYPICAL)
UNION (TYPICAL)
PRESSURE RELIEF
VALVE
FLOW CHECK
VALVE (TYPICAL)
BOILER
TEMPERATURE / PRESSURE
GAUGE
PRESSURE GAUGE
DRAIN
DRAIN POINT
(TYPICAL)
BOILER CIRCULATOR
SYSTEM SUPPLY SENSOR
(WHEN USED)
SYSTEM CIRCULATOR
TO
SY
STE
M
FRO
M S
YST
EM
MAKE UP WATER
NOT TO EXCEED 4 PIPE DIA OR MAX. OF 12" APART
Y-STRAINER
(RECOMMENDED)
MAY SUBSTITUTE
LOW LOSS HEADER
LOW TEMPERATURE BYPASS
FLOW SWITCH
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
Содержание 000 - 500
Страница 67: ...67 Notes ...
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