Comfort-Aire HEH Series 2 to 5 Tons - Manual (Page 12)

12
Installation, Operation & Maintenance HEV/H SERIES Heat Controller, LLC.
HORIZONTAL INSTALLATION
(by others)
(by others)
Thermostat
Wiring
Water In
Water Out
Ball Valves
Unit Power
Disconnect
Power 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
Unit Power
Flexible Duct
Connector
Flush
Ports
Water
Pressure Ports
Figure 7a: Typical Closed Loop Horizontal Unit Installation
Air Coil - To obtain maximum performance, the air coil should
be cleaned before start-up. A 10% solution of dishwasher
detergent and water is recommended for both sides of the coil.
A thorough water rinse should follow.
Figure 7b: Typical Ground Water Horizontal Unit Installation
(by others)
(by others)
Thermostat
Wiring
Water In
Water Out
Ball Valves
Building
Loop
Unit Power
Disconnect
Power 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
Unit Power
Flexible Duct
Connector