Thermo Products OH6FA072D48N User Manuals

Table of Contents

• MODEL:

  1
• OH6FA072D48B OH6FA072DV4B OH8FA119D60B OH8FA119DV5B

  1
• OH6FA072D48R OH6FA072DV4R OH8FA119D60R OH8FA119DV5R

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• OH6FA072D48N OH6FA072DV4N

  1
• CONTENTS

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• Model Number Digit

  3
• A

  3
  • Highboy

    8
  • Highboy

    8
  • Model Number

    20
  • OH6

    20
  • OH8

    20
    • Dehum

      35
• F

  3
• O

  3
• Table 1: MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS

  8
• Fig. 2: Proper chimney termination height for pitched roofs

  10
• Fig. 3: Proper chimney termination height for flat roofs

  10
• Fig. 4: Proper insertion of the vent connector in the chimney.

  10
• REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION:

  12
  • ROTATION OF FRONT FLUE ELBOW:

    13
    • The OH6 & OH8 may be vented through a standard correctly sized chimney.

      13
    • The OH6 & OH8 may also be horizontally vented through a sidewall. Thermo Products has available the Field model FDVS-45/FOVP-415 and FDVS-67/FOVP-615 side wall vent kits for such applications. When installing the sidewall vent kits, outside combustion...

      13
    • C. DRAFT REGULATORS:

      14
    • Table 3: Suggested Duct Sizes for Homes, Quiet Offices, Or Similar Installations

      17
    • Fig. 9: Supply air duct sizing Example

      17
• E. Air Filter Mounted External to Furnace:

  18
  • Fig. 10a: A typical filter rack and dimensions for the OH6 furnace.

    19
  • Fig. 10b: A typical filter rack and dimensions for the OH8 furnace.

    19
  • F. LIMIT POSITION AND LOCATION

    20
  • Fig. 12: Typical location of the over fire air tap and components in burner mounting plate area

    21
    • H. BURNER SPECIFICATIONS AND APPLICATIONS:

      22
• Riello 2-stage burner specifications and applications (OH6 ONLY):

  23
• I. OIL TANK AND PIPING:

  25
  • K. ELECTRICAL WIRIING:

    26
  • Figure 15: The Fan Control Module

    28
  • Figure 17: Analog Ammeter w/ Wire Loops to Boost Reading

    29
  • “COOL” Blower cool speed tap

    38
• A. Inputs

  39
  • B. Outputs

    39
  • Four green LEDs are placed beneath their respective thermostat connections (W, Y, G and DEHUM) and operate whenever a call is present. See Diagnostic Features for a function description of operation.

    40
  • C. Operating Modes

    40
  • N. STARTUP PROCEDURES:

    43
  • A. Heating System

    43
• III. USERS INFORMATION SECTION

  51
  • C. INSPECTION AREAS

    51
  • D. STARTING THE BURNER:

    52
  • E. FILTER CLEANING AND LOCATION:

    52
  • IV. INSTALLER'S INSTRUCTIONS TO USER:

    53
    • V. DEALER MAINTENANCE:

      54
      • A. GENERAL INSPECTION:

        54
        • B. HEAT EXCHANGER:

          55
      • D. ELECTRICAL SYSTEM:

        57
        • VII. TROUBLESHOOTING:

          61
        • IX. Trouble Shooting Flow Chart:

          66