Thermo Products CMC1-75DV3N User Manuals

Table of Contents

• FOR YOUR SAFETY

  1
• WHAT TO DO IF YOU SMELL GAS

  1
  • NATIONAL FUEL GAS CODE NATIONAL FIRE PROTECTION ASSOCIATION

    2
  • III. GENERAL INSTRUCTIONS AND CLEARANCES – READ BEFORE START OF INSTALLATION

    13
    • A. FURNACE LOCATION

      15
      • B. BASE INSTALLATION – CMA3 models only

        17
      • C. ALCOVE INSTALLATION

        19
    • E. FUEL PIPING

      21
      • F. GENERAL VENTING REQUIREMENTS

        22
      • 1. The vent/air intake terminations outlined by Thermo Products in this manual must be used.

        22
• Table 2

  23
  • H. Direct Venting Through a Sidewall

    26
  • I. Installation Of Outside Exhaust / Intake Terminations

    29
  • J. CONNECTING THE FURNACE TO ROOF VENT / AIR TERMINATIONS

    30
    • Dual 2” vent/air termination kit AOPS7484

      30
• If the heat anticipator is set too high, the furnace may delay activation of a heating cycle for too long. If the heat anticipator is set too low, the furnace may cycle too frequently. Either condition may not provide optimal comfort to the homeowner.

  34
• CMA3-50D36

  36
• CMA3-75D36

  37
• CMC1-50D36

  38
• CMC1-75D36

  39
• CMC1-50DV3

  40
• CMC1-75DV3

  41
  • V. STARTING THE UNIT

    43
  • A. SEQUENCE OF OPERATIONS

    43
    • TABLE 3

      47
  • D. BURNER ADJUSTMENT

    47
  • E. SETTING TEMPERATURE RISE

    48
    • F. FURNACE CHECKOUT PROCEDURE

      49
    • E. RETURN AIR FILTER

      52
    • APPENDIX – A REPLACEMENT PARTS

      59
    • APPENDIX – B WIRING DIAGRAMS

      63