Maintain and make no changes to wiring from zone control devices and/or Building Management System wiring to RTRM module in Reliatel condenser.
Connections between Air Handler and Condenser.
Thermostat Wire:
- Condenser LTB2-R to Air Handler Relay Board J10-1
- Condenser LTB2-B to Air Handler Relay Board J10-2
- Condenser LTB1-EF to Air Handler Relay Board J5-4
- Condenser LTB1-H1 to Air Handler Relay Board J5-7
- Condenser Ltb1-H2 to Air Handler Relay Board J5-8
Note: H1 and H2 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.
If the EDC (Evaporator Defrost Control) thermostat is used, follow these steps:
- 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.
- Add a wire from LTB2-CD to Air Handler Relay Board J5-1
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.
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