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Legacy Reliatel Condenser (Cooling or Heat Pump) with Symbio CV Air Handler
1. Maintain and make no changes to wiring from zone control devices and/or Building Management System
wiring to RTRM module in Reliatel condenser.
2. Repurpose or make new connections between Air Handler and Condenser as shown in Figure 8.
Note: W1 and W2 connections are needed only if air handler has an electric heat accessory installed. A new
electric heater must be used with a Symbio air handler. Legacy electric heaters cannot reused on
Symbio air handlers.
3. If the EDC (Evaporator Defrost Control) thermostat is used, follow these steps:
a. Switch is shipped in the normally open configuration. When pairing with a Reliatel condenser, move
wire from terminal “H” to terminal “L” on EDC switch, enabling normally closed switch operation.
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