Install Instructions

BOILER
ALTERNATE
CIRCULATOR
LOCATION
TO SYSTEM
FROM SYSTEM
V2V1
CIRCULATOR
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
AIR SEPARATOR
ZONE VALVE
EXPANSION
TANK
WATER INLET
SYSTEM
CIRCULATOR
Adjust two throttling valves to maintain at least 130°F - 140°F in boiler return.
BOILER
WATER INLET
ALTERNATE
CIRCULATOR
LOCATION
TO SYSTEM
FROM SYSTEM
CIRCULATOR
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
3 WAY MIXING
VALVE
AIR SEPARATOR
HOSE BIB
EXPANSION
TANK
Figure 15 Bypass Piping (Fixed Low Temperature Only)
Figure 16 Bypass Piping Automatic Mixing Valve
18
10 - HYDRONIC PIPING
PN 473900000