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Filtrete 3M-22 Install Manual

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Install guide 3M-22
Caution
• Your thermostat is a precise instrument, handle it with care.
• Turn off electricity to the appliance 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 control on
furnace or air conditioner to test the system. This will damage
the thermostat and void your warranty.
• All wiring must conform to local codes and ordinances.
• This thermostat is designed for use with 24 volt AC and
millivolt systems. The thermostat should be limited to a
maximum of 1.0 amps; higher amperage may cause damage
to the thermostat.
ENGLISH

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Summary of Contents for Filtrete 3M-22

  • Page 1 Install guide 3M-22 Caution • Your thermostat is a precise instrument, handle it with care. • Turn off electricity to the appliance before installing or servicing thermostat or any part of the system. • Do not turn electricity back on until work is completed.
  • Page 2 Install guide 3M-22 To avoid electrical shock and to prevent damage to the furnace, air conditioner, Caution and thermostat, disconnect the power supply before beginning work. This can be done at the circuit breaker, or at the appliance. You will need a small Phillips screwdriver and possibly a drill Tools with 3/16-in.
  • Page 3 • Fill wall opening with non-combustible insulation to prevent drafts. Prepare wires • You will need at least 2.6" of wire for each of your connections to the 3M-22. 2.6" • If you do not have enough wire, splice additional wire to allow enough slack.
  • Page 4 • Take care not to damage the labels for each wire in handling. • Fan wires out as illustrated with 3M-22 below the wall opening. • Wires will dress behind the 3M-22 and up over the terminal area. • Use the Step-By-Step diagram as your guide.

  • Page 5: Find Set-Up Diagram

    Find the set-up diagram for your system • Find the referenece page with your wiring C W RH Go To Page 15 diagram and jumper set-up information. 2 Wire Remember, the C wire is optional. Heat C W Y RH G C W Y RH RC G C W RH G 3 Wire...
  • Page 6 Mount the 3M-22 Wall 3M-22 • Hold the 3M-22 against the wall, with the wires coming over the top above terminal block. The 3M-22 will cover the hole in the wall. • Position 3M-22 for best appearance. Use the optional stand- offs if more space for wires is needed behind the 3M-22.
  • Page 7 • Verify that cool air is blowing from the system. Congratulations, you have successfully installed your unit. Please proceed to the OPERATING Guide to initialize the 3M-22. NOTE: If you have labeled your wires, follow the correct Step-By-Step, and these Check procedures do not operate your system call support at...
  • Page 8 Set the Mode switch to HEAT or COOL. Locate the TIME SET button and press it. The current calibration factor (+/-) of the 3M-22 will appear in the LCD display as well as the modified temp. Push the UP or DOWN arrows until the desired calibration factor is reached.

  • Page 9: Wire Heat

    STEP 1 - Connect the R (or RH) wire to the RH the 3M-22. This connects the Heater Power to the thermostat. STEP 2 - Connect the W wire to the W on the 3M-22. 1 2 3 This connects the heater control line to the 3M-22.
  • Page 10 1 2 3 STEP 3 - Connect the RH wire to the RH terminal and the RC wire to the RC terminal on the 3M-22. This connects the Heater and Cooler Power. STEP 4 - Connect the G wire to the G terminal on the HVAC SYSTEM Thermostat.
  • Page 11 STEP 1 - Connect O wire to the O terminal or B wire to the B terminal on the 3M-22. (If you have both O and B - connect O wire to O terminal DO NOT connect B to B terminal - see pg 24 Trane for B wire terminal) This connects the change-over valve.
  • Page 12 SET JUMPERS Motor driven Valve- Connect the R (or RH) wire to the RH terminal on the 3M-22. Connect the W wire to the W terminal 1 2 3 on the 3M-22. Connect the remaining wire to the A terminal.

  • Page 13: Product Features

    3M-22 Features This thermostat can be used with all millivolt and 24VAC heating and cooling systems. It cannot be used with line voltage systems. This thermostat is digital and your desired heat or cool temperatures can easily be set on the large screen with the +/- buttons on the front. A minimum 4 minute off time protects heating and cooling systems from damage.
  • Page 14 Y (the 3rd wire) W Jumper Reference RESET UNIT AFTER CHANGING JUMPERS GAS/ELEC HEAT CLOSED OPEN SELECT Configuration jumpers allow your SINGLE 3M-22 to be adapted to many HVAC ELECTRIC POWER(R) POWER RH POWER different HVAC control applications. OR PUMP POWER RC CLOSED...

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