Subassemblies

Coils

The airside coil is connected to the heat pump compressor(s) and is the primary vehicle for heating and cooling of the building. A reheat coil is optionally available and is installed in the supply airstream adjacent to the airside coil. The reheat coil is also connected to the heat pump but is used only when the unit is in cooling mode.

Heat Pump

Airside Coil

Optional Heat Pump

Reheat Coil

Energy Wheel

The energy wheel rotates through both the outdoor air and the exhaust airstreams, removing both sensible (heat) energy and latent moisture from one airstream and transferring it to the other airstream. The energy wheel itself is comprised of segments which can be removed for servicing.

Bearing Support

Adjustable

Air Seals

Label showing

cassette serial number

and date code

Drive Belt Drive Pulley

Dampers

There are four locations where dampers are optionally installed.

Gravity Type

Motorized Exhaust

Exhaust Damper

Air Damper

 

Exhaust

 

 

 

 

Hood

 

 

 

 

 

 

 

Electrical Box

 

 

 

Filters

Exhaust Air

 

 

 

Intake

Ooutdoor Air Hood

Filters

Wheel Cassette

Coil Section

Indirect Gas Heater

Motorized Outdoor

 

Motorized Recirculating Air

Air Intake Damper

 

Damper

Filters

There are three locations in the unit where filters will be found.

Exhaust

Two-inch thick MERV 8

pleated filters

Hood

 

 

 

 

Electrical Box

 

 

 

Filters

Exhaust Air

 

 

 

Intake

Ooutdoor Air Hood

Filters

Wheel Cassette

Coil Section

Indirect Gas Heater

 

 

Two-inch thick MERV 8 or

 

 

Permanent Metal Filters

MERV 13 pleated filters

 

Model ERCH-HP Energy Recovery Unit 5

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Greenheck Fan 473501 manual Subassemblies, Coils

473501 specifications

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