33
10 - HYDRONIC PIPING
BOILER
ALTERNATE
CIRCULATOR
LOCATION
TO SYSTEM
FROM SYSTEM
CIRCULATOR
WATER INLET
SHUT-OFF
VALVE
PRESSURE
REDUCER VALVE
CHECK VALVE
BALL VALVE
AIR SEPARATOR
HOSE BIB
FLOW CONTROL
VALVE
4-WAY MIXING
VALVE
EXPANSION
TANK
Figure 27 - Bypass Piping (4-Way Valve Option with Circulator On Supply Side
SHUT OFF
VALVES
SHUT OFF
VALVES
BOILER
SUPPLY MAIN TO
COMBINED HEATING
& COOLING SYSTEM
RETURN MAIN FROM
COMBINED HEATING
& COOLING SYSTEM
CIRCULATOR
WATER CHILLER
AIR CUSHION
TANK
Figure 28 Recommended Piping For Combination Heating and Colling (Refrigeration) System
PN 240013415 REV A [08/15/2021]