Comfort-Aire HBH Series 6-10 Tons - Manual (Page 15)

Heat Controller, Inc. HBH SERIES IOM Manual
14
Ground-Loop Heat Pump Applications
Figure 9: Typical Ground-Loop Application
(by others)
Thermostat
Wiring
Insulated supply duct with
at least one 90 deg elbow
to reduce air noise
Return Air
Supply Air
Unit Hanger
3/8" [10mm] threaded rods
Flexible Duct
Connector
Optional
Balancing Valve
Water Out
Optional Low Pressure Drop Water
Control Valve
(can be internally mounted
on some models)
Stainless steel braid hose
with integral ÒJÓ swivel
Building
Loop
HORIZONTAL INSTALLATION
Figure 3: Typical Horizontal Unit Installation
Water In
Ball valve with optional
integral P/T plug
Unit
Power
CAP
CAP
EAP
BSP
CBP