Radio Thermostat CT101 Install Manual
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Radio Thermostat CT101 Install Manual

Radio Thermostat CT101 Install Manual

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See also: Operating Manual
Install Guide CT101
Caution
• Your thermostat is a precise instrument, handle it with care.
• Turn off electricity to the HVAC system before installing or
servicing thermostat or any part of the system.
• Do not turn electricity back on until work is completed.
• Do not short (jumper) across electric terminals at the control
on the furnace or air conditioner to test the system. This may
damage the thermostat.
• All wiring must conform to local codes and ordinances.
• This thermostat is designed for use with 4AA alkaline batteries
and/or 24 volt AC C wire (or a 12-24 AC or DC source) and
millivolt gas systems. Each thermostat relay load should be
limited to 1.0 amp; higher amperage may cause damage to the
thermostat.
Caution
to prevent damage to the furnace, air conditioner, and
disconnect the power supply
thermostat,
beginning work. This can be done at the circuit breaker.
1202-003-003
To avoid electrical shock and
before
top cover
Reset
button
Power Grid
status
indicator
HVAC
selections
switches
bottom
cover
1
PG
Wire
terminals
Mode
button
MENU
button
Touch screen
ENGLISH

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Summary of Contents for Radio Thermostat CT101

  • Page 1 Install Guide CT101 Caution top cover • Your thermostat is a precise instrument, handle it with care. • Turn off electricity to the HVAC system before installing or Reset servicing thermostat or any part of the system. button Wire terminals •...
  • Page 2 A new location will require moving your wiring. For new installations and relocating the CT101 - follow the guidelines listed below: • Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a room that is used often.

  • Page 3: Remove Old Unit

    REMOVE OLD UNIT Switch OFF electricity to the HEATING and COOLING systems. Then follow these steps: • Remove cover from old thermostat. Most are snap-on types and simply pull off. Some have locking screws on the side or front. These must be loosened. DO NOT remove wires. Note the letters printed near the terminals.

  • Page 4: What Wires Do You Have

    HVAC system makers. IMPORTANT: The CT101 runs on 4 AA alkaline batteries and/or the C wire if available. If you do not have a C wire you can run a new wire from the HVAC or use a standard 12-24V [AC or DC] wall transformer.
  • Page 5 Find the step-by-step diagram for your system C W R C W Y R G C W Y RH RC G C W R G • Select the referenece page F r o m 2 Wire with your wiring diagram and F r o m F r o m F r o m...

  • Page 6: Connect Your Wires

    NOTE: If you wish you can mount the CT101 to the wall first, and then connect the wires. • The CT101 can be externally powered with a power source rated from 12V to 24V, AC or DC, at 300ma or greater. If used, connect to the C and RH terminals (no polarity).
  • Page 7 3. Attach the CT101 to the wall with the screws provided. Wires 4. If you are mounting the CT101 to sheet rock or if you are using the old mounting holes, use the plastic anchors provided. 5. Mark first and drill a 3/16-in.(4.8mm) hole for the insert at each screw location, then mount the unit.

  • Page 8: Hvac Selection

    • With all the wires connected it is time to turn the AC power back on. Do this at the breaker you used to switch it off. The CT101 will power-up in the OFF mode. Your CT101 is not configured to operate...

  • Page 9: Battery Warning

    Caution Special Thermostat Battery Cautions Always replace the batteries as soon as the “Low Batt” flashes. The thermostat is a battery powered device. You must be responsible to replace batteries before they run out. Failure to replace batteries can result in overheating or excessive cooling of your house. •...

  • Page 10: Heat And Cool

    HVAC Setup on Screen IMPORTANT: Make sure the CT101 is powered up and the mode is set to OFF. HVAC selection switches must be set first [pg 8]. • With mode in OFF press MENU and touch HVAC SET UP.

  • Page 11: Test Installation

    Test Installation MODE Follow these procedures to verify you have correctly installed the CT101. A U TO M O D E TO CHECK FAN (If you connected the G wire): RA D I O L I NK Touch the fan icon on the HOME screen to turn the fan ON.
  • Page 12 4 minute off time protects the compressor from damage. This thermostat runs on 4AA batteries. The CT101 can be externally powered with a power source rated from 12V to 24V, AC or DC, at 300ma or greater. If used, connect to the C and RH terminals (no polarity). The 24VAC “C”...
  • Page 13 STEP 2 - Connect the W wire to the W terminal. POWER This connects the heat. STEP 3 - Connect the C wire to the C terminal. Your heater is now connected to the CT101. C B O W W RC G A Please Go To Page 6...
  • Page 14 POWER Please Go To Page 6 RH G Multi-stage Heat and Multi-stage Cool C B O W W RC G A The CT101 can handle up to 2 stages of HEAT and 2 stages of THERMOSTAT TERMINALS C and disconnected...
  • Page 15 STEP 4 - Connect the G wire to the G terminal. This connects the fan. STEP 5 - Connect the C wire to the C terminal. Your HVAC system is now connected to the CT101. Please Go To Page 6 4 Wire Heat Pump (heat/cool) without Auxiliary Heat STEP 1 - Connect O wire to the O terminal or B wire to the B.
  • Page 16 Aux Heat The CT101 can handle up to 2 stages of Pump compression and 2 stages of AUX heat. STEP 1 - Connect O wire to the O terminal or B wire to the B. This connects the change-over valve.

  • Page 17: Wire Reference Table

    Wire Reference Table Possible Wires What They Control R or V or VR RH and RC Single power for HEAT and COOL RH or 4 RH Power for HEAT (RH not connected to RC jumper clip removed) RC Power for COOL (RH not connected to RC jumper clip removed) W Heat control W2 2nd stage HEAT or heat pump auxiliary heat W3 3rd stage HEAT or 2nd stage of 2 stage auxiliary heat...
  • Page 18 Wire Reference cont. Possible Wires What They Control Lennox Heat Pump V or VR or R RH Power for HEAT M or Y Y COOL control Y or W or W2 W2 2nd stage HEAT F or G G Fan control R or O X or X2 or C Trane Products [American Standard]...
  • Page 19 FCC Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.

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