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Economizer
The economizer uses outdoor air to provide cooling when the outdoor
temperature is sufficiently lower than the indoor temperature.
Note:
Economizer section is only available for COM4T outdoor
products.
Table 5: Economizer Characteristics
PTC Electrical Heater
The PTC electrical heater has both fast thermal response time and low inrush current. A protection
device will automatically cut current when unsafe levels are reached.
The outer edge of the PTC heating component is designed with double insulation. When in contact
with metal, it will not cause short circuits.
Filter
2” MERV8/G4 pleated filters are standard with each unit. The filter slides into for easy serviceability.
This filter can be serviced from the outside by removing the filter access panel. Filters are also
available in MERV10/F5 and MERV13/F7.
Condensate Drain
A plastic drain hose extends from the drain pan at the top of the unit down to the unit base. There are
openings in the unit base for the drain hose to pass through. In the event the drain hose is connected
to a drain system, it must be an open or vented type system to assure proper drainage.
Economizer characteristics
Model
CFM
Btu/h
kW
CV36H2A
920
17,800
5.24
CV60H3A
1,350
26,200
7.69
Figure 6: Economizer