Nordyne CMF95 Series, Installation Instructions Manual

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2
IMPORTANT SAFETY INFORMATION .......................3
REQUIREMENTS & CODES .......................................3
Clearances to Combustible Materials ....................... 5
Combustion Air Quality ............................................. 5
Heating Load ............................................................ 5
Condensate Disposal ............................................... 5
COMBUSTION AIR & VENTING REQUIREMENTS ....6
Important Information ............................................... 7
Category IV Appliances ............................................ 7
Direct Vent Installation .............................................. 7
Vent Pipe Length & Diameter ................................. 7
Vent Pipe Material .................................................. 8
Vent Pipe Installation .............................................. 8
Outdoor Terminations - Horizontal Venting ............. 8
Outdoor Terminations - Vertical Venting .................. 9
Vent Freezing Protection ...................................... 10
Existing Installations ............................................. 10
Ventilaire III or IV Air Quality Package ................... 10
CIRCULATING AIR REQUIREMENTS ...................... 11
Plenums & Air Ducts .............................................. 11
Supply Air Connections .......................................... 11
Dampers ................................................................. 11
Unconditioned Spaces ........................................... 11
Closet Installations ................................................. 11
Furnace Filter ......................................................... 12
Acoustical Treatments ............................................ 12
FURNACE INSTALLATION ....................................... 13
General Information ................................................ 13
Before You Install this Furnace ............................... 13
Locating the Unit .................................................... 13
MA-200 Base Installation ....................................... 13
Installing the Furnace on an MA-200 Base ............ 13
MA-100 Universal Base Installation ........................ 14
Installing the Furnace on an MA-100 Base............. 15
Condensate Drainage ............................................ 15
GAS SUPPLY & PIPING ............................................ 16
Leak Check ........................................................... 16
High-Altitude Application ........................................ 17
Converting to LP / Propane Gas ............................ 18
Removing the Burner Orifices .............................. 19
Gas Pressure Verification ....................................... 19
Measuring the Supply Gas Pressure .................... 19
Lighting & Adjustment of the Appliance ................ 20
Measuring the Manifold Pressure ......................... 20
Removing the Manometer / Pressure Gauge ...... 20
Completing the Conversion .................................... 20
ELECTRICAL WIRING ............................................... 21
Line Voltage Wiring ................................................ 21
Grounding ...............................................................
21
Thermostat / Low Voltage Connections ................. 21
Heat Anticipator .................................................... 22
START-UP & ADJUSTMENTS ................................... 23
Pre-Start Checklist ................................................. 23
Start-Up Procedures .............................................. 23
Verifying & Adjusting Input Rate ............................. 23
Verifying & Adjusting Temperature Rise ................. 23
Verifying Burner Operation ..................................... 24
Verifying Operation of the Supply Air
Limit Switch ............................................................
24
OPERATING SEQUENCE ......................................... 25
Heating Cycle ......................................................... 25
Cooling Cycle ......................................................... 25
Fan Mode ............................................................... 25
MAINTENANCE ......................................................... 25
Air Filters ................................................................ 26
Blower Compartment .............................................. 26
Cleaning of Burners ................................................ 26
Vent System ........................................................... 26
Heat Exchanger & Burner Maintenance .................
26
Lubrication ............................................................... 26
TROUBLESHOOTING ............................................... 27
DESCRIPTION OF COMPONENTS .......................... 27
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