151
Symbio Condenser (Cooling Only) with Reliatel SZVAV Air Handler (TR-150 only)
Note: You will always have the following alarms – Indoor Options Module Communication Status, Diagnostic:
Unit Communications Failure and Frostat – but the unit will still operate (as a multi-Speed – no DTS)
Wire the thermostat to the Symbio 700 J21 except for R and C, wire thermostat R to Symbio Adapter Board
J15-1, wire thermostat C to Symbio Adapter Board J15-2.
Connections between Condenser and Air Handler
1. Thermostat Wire – 4 Wires w/o electric heat, 6 Wires with electric heat
a. Symbio Condenser Adapter Board J15-1 to Air Handler LTB2-R.
b. Symbio Condenser Adapter Board J15-2 to Air Handler LTB2-B1.
c. Symbio Condenser Adapter Board J18-1 to Air Handler LTB2-G. (as a back-up)
d. Symbio Condenser Adapter Board J16-3 to Air Handler VFD terminal 61.
e. Symbio Condenser UC J21-3 to Air Handler LTB2-W1
f. Symbio Condenser UC J21-5 to Air Handler LTB2-W2
2. Shielded Twisted Pair – Ground shield at Air Handler
a. Condenser Adapter Board J16-1 to VFD Terminal 68, J16-2 to VFD Terminal 69.
3. Symbio Configuration
a. System Type: CVZT
b. Indoor Fan Type: Multi Speed
4. Fan Interlock Wiring for Electric Heat
a. Add a field wire from VFD Relay 2, Terminal 5 to LTB2-B1.
b. Move the Brown wire (from the Electric Heat Accessory) from LTB1-J to VFD Relay 2, Terminal 4.
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