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Model SCM Air to Water Heat Pump — Installation, Operation & Maintenance Manual
Figure 11 SpacePak heat pump with single air handler (See Section 7 for instructions)
Section 6: Recommended Piping Diagram
EXPANSION TANK
CIRCULATOR
BALL VALVE
DRAIN VALVE
PRESSURE GAGE
STRAINER
AUTOMATIC AIR VENT
PRESSURE RELIEF VALVE
VALVE
RETURN FROM TERMINAL UNIT(S)
SCM HEAT PUMP
BUFFER
TANK
DEVICE
PRESSURE REDUCING
VALVE
AUTOFILL LOCATION IS SUGGESTED,
BUT THE FINAL LOCATION TO BE
MADE BY FIELD CONTRACTOR
SPL-WG0994-01_A
DRAIN VALVE SHOULD BE
LOCATED AT LOWEST
POINT IN PIPING SYSTEM
SUPPLY TO TERMINAL UNIT(S)
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