Honeywell Q674A-E manual


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Table of contents for the manual

  • Page 1

    1 60-1165—6 Q674 Switch Positions Model System Fan A Heat-Auto-Cool Auto-On B Heat-Off-Cool Auto-O[...]

  • Page 2

    2 60-1165—6 Fig. 1—Installation of subbase on outlet box. 2. Pull electrical wires through the c[...]

  • Page 3

    3 60-1165—6 3. Firmly tighten each terminal screw. 4. Fit wires as close as possible to the subbas[...]

  • Page 4

    4 60-1165—6 Fig. 8—T874A-D/Q674A in standard heating/cooling system. Fig. 9—T874C,D/Q674B in s[...]

  • Page 5

    5 60-1165—6 Fig. 10—T874D/Q674B in standard heating/cooling system with single transformer for h[...]

  • Page 6

    6 60-1165—6 Fig. 12—T874A,D,F/Q674D in standard heating/cooling system. Fig. 13—T874D/Q674E in[...]

  • Page 7

    7 60-1165—6 Fig. 14—T874A-F/Q674G in standard heating/cooling system. Fig. 15—T874C/Q674B in s[...]

  • Page 8

    8 60-1165—6 Fig. 16—Typical Q674 terminal designations. The thermostat and subbase used determin[...]

  • Page 9

    9 60-1165—6 9. Firmly tighten the mounting screw. 10. If the HEAT and COOL levers are to be locked[...]

  • Page 10

    10 60-1165—6 2. Move the system switch to AUTO or HEAT (if used) . 3. After one minute, read the a[...]

  • Page 11

    11 60-1165—6 Calibration THERMOSTAT T874 Thermostats are accurately calibrated at the factory. The[...]

  • Page 12

    12 60-1165—6 Automation and Control Solutions Honeywell International I[...]