Install Instructions

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
19
Figure 17 - Bypass Piping (4-Way Valve Option With Circulator On Supply Side)
10 - HYDRONIC PIPING
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 18 - Recommended Piping for Combination Heating and Cooling (Refrigeration) System
PN 473900000