WLCA/WLHA HIGH WALL EVAPORATOR Installation Instructions
Low Volt Interconnect wiring for Unit mounted controls
Units With or without heat continued
Unit mount controls | Heat pump connection |
Straight Cool | Unit mount controls |
| |
Figure 1A | Figure 1B |
|
Not used | Not used |
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Low volt interconnect diagram intercon- nect diagram figure 1A and figure 1B for unit mounted controls.
When connecting to a defrosting heat pump, such as EMI model S1HA, indoor units with electric heat utilize five intercon-
necting low volt wires between the indoor and outdoor units.
Remote Thermostat Controls
The 24V control transformer is located in the air handler unit. This
provides low volt control power toFigure 2 A both the air handler and condenser.
Depending on the models selected, the interconnect control wiring may be effected.
Note: All low volt interconnect wiring must be at least 18 awg.
Note: For remote thermostat mode the key pad will have limited opera- tion - Sequence of Operation - Wall Mounted Thermostat, page 21.
Choosing a Remote Wall Mounted
Thermostat: See “Wall Thermostat
Control” section page 21.
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