Rinnai Remote Thermostat Installation Instructions Manual

Rinnai Remote Thermostat Installation Instructions Manual

For ex08ct; ex11ct; ex17ct; ex22ct; ex38ct direct vent furnaces

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Installation Instructions: Remote Thermostat for Direct Vent Furnaces

Kit Contents

Ref
Part Name
1
Sub PCB
2
Sub PCB Cover/Bracket
3
Power Harness
4
Central Timer Harness
5
Rubber Grommets
6
Circuit Board Spacer
7
Screws
8
Transformer

Field Supplied Components

Wall Thermostat
Thermostat Wire
Wire Nuts
This kit and instructions contained herein are only for use with the following models of Rinnai Direct Vent Furnaces:
EX08CT and EX11CT
WARNING
To protect yourself from harm, before performing maintenance, turn off the electrical power supply by unplugging the power cord
or by turning off the electricity at the circuit breaker. (The control panel does not control the electrical power.)
Qty
1
1
1
1
2
4
2
1
EX17CT and EX22CT
3
2
1
4
5
6
7
8
EX38CT

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Questions and answers

sue
May 12, 2025

Can I use my White Rogers Thermostat with my recentyl installed EX17DT.

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Summary of Contents for Rinnai Remote Thermostat

  • Page 1 Transformer Field Supplied Components Wall Thermostat Thermostat Wire Wire Nuts This kit and instructions contained herein are only for use with the following models of Rinnai Direct Vent Furnaces: EX08CT and EX11CT EX17CT and EX22CT EX38CT WARNING To protect yourself from harm, before performing maintenance, turn off the electrical power supply by unplugging the power cord...
  • Page 2: Installation Instructions

    Installation Instructions 1. Disconnect power from the Direct Vent Furnace. 2. Attach the wire harnesses to the sub pcb. 3. Install rubber grommets to sub PCB cover/bracket. 4. Attach the circuit board spacers to the sub PCB, then attach assembly to the sub PCB cover/bracket. 5.
  • Page 3 8. Re-connect power supply. 9. Adjust heater to Remote Thermostat mode by having the unit in OFF mode (still plugged in). Press and hold the ECONOMY + UP + SET TIMES buttons (PROGRAM button for EX38CT model) for 2.5 seconds. The display will show 00. Press the UP button;...
  • Page 4 3-Wire Powered Thermostat Powered Thermostat (Low Voltage) T-Stat Switch Power Direct Vent Furnace Relay Board DV PCB Common WARNING To protect yourself from harm, before performing maintenance, turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker. (The control panel does not control the electrical power.)
  • Page 5 2-Wire Battery Powered Thermostat T-Stat Switch Power Direct Vent Furnace DV PCB Relay Board Common WARNING To protect yourself from harm, before performing maintenance, turn off the electrical power supply by unplugging the power cord or by turning off the electricity at the circuit breaker. (The control panel does not control the electrical power.)
  • Page 6 200000075 12/1/2016...

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