XLHP™ High Performance Heat Pump Installation and User’s Guide
7
Extend 12" (305 mm)
past end heater
inlet for hydraulic
balancing
Extend 12" (305 mm)
past end heater
inlet for hydraulic
balancing
Pump
Flow Meter
Minimum
2" PVC Pipe
2" PVC Pipe
Flow Meter
To Body of Water
OPTIONAL
2" Check Valve Bypass
Check Valves are
optional on heater inlets
but will help system
balancing
60 GPM (220 lpm)
Minimum
24"
(610 mm)
(153 mm)
12"
(305 mm)
6"
Multiple Unit Installation
Extend 12"
(305 mm) past
end heater
inlet for hydraulic
balancing
Extend 12" (305 mm)
past end heater
inlet for hydraulic
balancing
Pump
Flow Meter
Minimum
3" PVC Pipe
2" PVC Pipe
Flow Meter
To Body of Water
3" Ball Valve Bypass
Check Valves are
optional on heater inlets
but will help for system
balancing
12"
(305 mm)
2" PVC Pipe
2" PVC Pipe
2" PVC Pipe
3" PVC Pipe
3" PVC Pipe
120 GPM (456 lpm)
Minimum
24" (610 mm) min.
clearance for
service access.
(153 mm)
6"
Two Heat Pump Plumbing Layout
Four Heat Pump Plumbing Layout