Crestron electronic Crest Condensing Boiler 3.5 - Manual (Page 29)

29
Installation & Operation Manual
5
Hydronic piping
(continued)
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
Y-STRAINER
(RECOMMENDED)
RELIEF
VALVE
BALL VALVE
(TYPICAL)
AIR SEPERATOR
DRAIN PORT
(TYPICAL)
SYSTEM
CIRCULATOR
BACK FLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
EXPANSION
TANK
FROM SYSTEM
TO SYSTEM
MAKE UP
WATER
BOILER DRAIN
Figure 5-4 Single Boiler - Alternate - Fixed or Variable Flow Primary System Piping