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ICP C8MPL Installation Instructions Manual

Summary of C8MPL

  • Page 1

    Printed in u.S.A. 441 01 2613 06 july 2010 installation instructions 80% single stage, category i, gas furnace n8mpn, n8mpl, c8mpn, h8mpn, t8mpn, c8mpl, h8mpl, t8mpl (upflow/downflow/horizontal) these instructions must be read and understood completely before attempting installation. Safety labeling...

  • Page 2: Warning

    2 441 01 2613 06 specifications are subject to change without notice. Safety considerations improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult...

  • Page 3: Start−Up Check Sheet

    441 01 2613 06 3 specifications are subject to change without notice. Start−up check sheet for 80+ furnace (this sheet is optional. Keep this page for future reference.) date of start−up: dealer name: address: city, state(province), zip or postal code: phone: owner name: address: city, state(provinc...

  • Page 4: Warning

    4 441 01 2613 06 specifications are subject to change without notice. 1. Safe installation requirements fire, explosion, and asphixiation hazard improper adjustment, alteration, service, maintenance or installation could cause personal injury, death, and/or property damage. Installation or repairs m...

  • Page 5: 2.  Installation

    441 01 2613 06 5 specifications are subject to change without notice. Your furnace is designed solely to provide a safe and comfortable living environment. The furnace is not designed to ensure that water pipes will not freeze. It is equipped with several safety devices that are designed to turn the...

  • Page 6

    Drawing is representative, but some models may vary. Note: evaporator “a” coil drain pan dimensions may vary from furnace duct opening size. Always consult evaporator specifications for duct size requirements. Unit is designed for bottom return or side return. Return air through back of unit is not ...

  • Page 7

    33 1 / 2 30 3 / 4 29 1 / 2 17 5 / 16 3 3 / 4 2 1 / 4 1 3 / 4 4 7 / 8 2 1 / 4 4 7 / 8 27 1 / 2 17 5 / 16 32 1 / 2 27 7 / 8 note: evaporator “a” coil drain pan dimensions may vary from furnace duct opening size. Always consult evaporator specifica­ tions for duct size requirements. Furnace is designed...

  • Page 8: Warning

    8 441 01 2613 06 specifications are subject to change without notice. Typical upflow installation figure 3 25−23−17 vent supply air gas supply return air horizontal if you purchased a multi−position furnace, it can be installed horizontally in an attic, basement, crawl space, alcove, or suspended fr...

  • Page 9: Warning

    441 01 2613 06 9 specifications are subject to change without notice. 2. Turn the logo rightside−up, and install the logo retainer pins into holes in burner compartment door. 3. New labels for rightside−up application on outside of blower compartment door may be purchased in a kit from your distribu...

  • Page 10: Warning

    10 441 01 2613 06 specifications are subject to change without notice. Figure 7 venter gasket 25-23-52b entry 25-23-52c main line 7. Tighten the three (3) or four (4) screws that secure the venter assembly to the collector box. Do tighten screws enough to compress venter gasket. 8. Replace power lea...

  • Page 11

    441 01 2613 06 11 specifications are subject to change without notice. 2. Figure 8 illustrates how to provide combustion and ventilation air when two permanent openings, one inlet and one outlet, are used. A. One opening must commence within 12″ (304.8mm) of the floor and the second opening must com...

  • Page 12: Warning

    12 441 01 2613 06 specifications are subject to change without notice. Indoor combustion air standard and known-air-infiltration rate methods © nfpa & aga indoor air is permitted for combustion and ventilation, if the standard or known−air−infiltration rate method is used. ! Carbon monoxide poisonin...

  • Page 13: 5.  Gas Vent Installation

    441 01 2613 06 13 specifications are subject to change without notice. Ventilation air some provincial codes and local municipalities require ventilation or make−up air be brought into the conditioned space as replacement air. Whichever method is used, the mixed return air temperature across the hea...

  • Page 14: Warning

    14 441 01 2613 06 specifications are subject to change without notice. Carbon monoxide poisoning hazard failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation, could result in carbon monoxide poisoning or death: the following steps s...

  • Page 15

    441 01 2613 06 15 specifications are subject to change without notice. Figure 10 other than direct vent termination clearance v v item clearance descriptions canadian installation (1) u.S. Installation (2) a clearance above grade, veranda, porch, deck, balcony, or anticipated snow level 12 ″ (30cm) ...

  • Page 16: 7. Masonry Chimney Venting

    16 441 01 2613 06 specifications are subject to change without notice. 7. Masonry chimney venting chimney inspection all masonry chimney construction must conform to standard ansi/nfpa 211−2006 and to any state or local codes applicable. The chimney must be in good condition and a complete chimney i...

  • Page 17

    441 01 2613 06 17 specifications are subject to change without notice. Chimney is acceptable for use crown condition: missing mortar or brick? Rebuild crown is chimney properly lined with clay tile liner? Yes yes no no yes is liner and top seal in good condition no debris in cleanout? Mortar, tile, ...

  • Page 18

    18 441 01 2613 06 specifications are subject to change without notice. Exterior masonry chimney, fan+nat installations with type−b double−wall vent connectors nfpa & aga table a- combined appliance maximum input rating in thousands of btu per hr vent height ft(m) internal area of chimney sq in.(mm) ...

  • Page 19: 8.  Gas Supply and Piping

    441 01 2613 06 19 specifications are subject to change without notice. 8. Gas supply and piping carbon monoxide poisoning, fire and explosion hazard failure to follow this warning could result in personal injury, death, and/or property damage. Models designated for natural gas are to be used with na...

  • Page 20: Warning

    20 441 01 2613 06 specifications are subject to change without notice. 3. Use black iron or steel pipe and fittings or other pipe approved by local code. 4. Use pipe thread compound which is resistant to natural and propane gases. 5. Use ground joint unions and install a drip leg no less than 3″ (76...

  • Page 21: Warning

    441 01 2613 06 21 specifications are subject to change without notice. Typical gas piping (*8mp) figure 16 25-25-02 representative drawing only, some models may vary in appearance. Piping with street elbows 1. Screw one elbow onto gas valve with the outlet facing away from the furnace. 2. Screw seco...

  • Page 22: 9.  Electrical Wiring

    22 441 01 2613 06 specifications are subject to change without notice. 9. Electrical wiring electrical shock hazard failure to follow this warning could result in personal injury or death. Turn off electrical power at fuse box or service panel, lockout, and tag switch with a suitable warning label b...

  • Page 23: Warning

    441 01 2613 06 23 specifications are subject to change without notice. Figure 19 electrical connections note: 115 vac/60hz/single−phase operating voltage range*: 127 vac max, 104 vac min. * permissible limits of voltage at which unit will operate satisfactorily 115v. 60hz. W bk g connection box grou...

  • Page 24: Warning

    24 441 01 2613 06 specifications are subject to change without notice. Close to a living area. It is often advisable to route the return air ducts under the floor or through the attic. • refer tofurnace technical support manual (blower data) for air flow information. • size ductwork to handle air fl...

  • Page 25

    441 01 2613 06 25 specifications are subject to change without notice. Figure 22 optional duct standoff − naha001tk in(mm) filter 20 x 25 (508 x 635 mm) optional filter rack 16 (406) 14.5 (368) 25 1/16 (637) 25 1/16 (637) 6 7/8 (175) 23 1/2 (570) 18 1/2 (470) 22 1/2 (572) 20 (508) optional filter ra...

  • Page 26: Warning

    26 441 01 2613 06 specifications are subject to change without notice. 11. Ductwork and filter (downflow) carbon monoxide poisoning hazard failure to follow this warning could result in personal injury or death. Do not draw return air from inside a closet or utility room where furnace is located. Re...

  • Page 27

    441 01 2613 06 27 specifications are subject to change without notice. Table 5 sub−bases for combustible floors dimensions in(mm) sub−base for combustible floors part number sub−base for combustible floor dimensions opening in floor opening in base for plenum typical plenum dimensions h * j* k** l m...

  • Page 28: 12.  Checks and Adjustments

    28 441 01 2613 06 specifications are subject to change without notice. Figure 31 top mounted internal filter 9″ center clip side-to-side note: if filters are only suitable for heating application, advise homeowner that filter size may need to be increased if air conditioning is added. Addition of ai...

  • Page 29: Warning

    441 01 2613 06 29 specifications are subject to change without notice. Natural gas input rating check the gas meter can be used to measure input to furnace. Check with gas supplier for actual btu content. 1. Turn off gas supply to all appliances other than furnace and start furnace. Use jumper wire ...

  • Page 30

    30 441 01 2613 06 specifications are subject to change without notice. Manifold pressure and orifice size for high altitude applications table 6 natural gas manifold pressure (in wc) heating value at altitude btu/cu. Ft. Mean elevation above sea level − ft(m) 0 to 2000 (0 to 610) 2001 to 3000* (610 ...

  • Page 31: Caution

    441 01 2613 06 31 specifications are subject to change without notice. Figure 33 manifold 25-25-00 some models may vary 9. After reassembling, turn gas on and check all joints for gas leaks using a soapy solution. All leaks must be repaired immediately. Figure 34 clearances measure from face of orif...

  • Page 32: Caution

    32 441 01 2613 06 specifications are subject to change without notice. Air temperature rise check ! Reduced furnace life hazard failure to follow this caution may result in reduced furnace life. Use only the blower motor speed taps insert indicated in the circulation air blower data for setting air ...

  • Page 33: 13.  Furnace Maintenance

    441 01 2613 06 33 specifications are subject to change without notice. 13. Furnace maintenance fire, explosion, or carbon monoxide poisoning hazards failure to follow this warning could result in personal injury, death, and/or property damage. It is recommended that the furnace be inspected and serv...

  • Page 34

    34 441 01 2613 06 specifications are subject to change without notice. 14. Sequence of operation & diagnostics the following is the normal operating sequence. Cooling (y) request: 24vac signals applied to y & g terminals of fcb (furnace control board) • cool motor speed is energized after 5 second c...

  • Page 35

    441 01 2613 06 35 specifications are subject to change without notice. Heating request with gas shut off: 24 vac signal applied to w terminal of fcb. The fcb will attempt 4 cycles for ignition then go to soft lockout for 3 hours then try for ignition again as long as the heat call remains. Power res...

  • Page 36: Models

    441 01 2613 06 36 specifications are subject to change without notice models n8mpn050b12b2 n8mpl050b12b2 n8mpn075b12b2 n8mpl075b12b2 n8mpn075f16b2 n8mpl075f16b2 n8mpn100f14b2 n8mpl100f20b2 n8mpn100f20b2 n8mpl100j22b2 n8mpn100j22b2 n8mpl125j20b2 n8mpn125j20b2 n8mpl125j22b2 n8mpn125j22b2 *8mpn050b12b2...

  • Page 37

    441 01 2613 06 specifications are subject to change without notice. 37 manufacturers number (mfr no -see rating plate) all models (n8mpn) specifications n8mpn 050b12 n8mpn 075b12 n8mpn 075f16 n8mpn 100f14 n8mpn 100f20 n8mpn 100j22 n8mpn 125j20 n8mpn 125j22 general input (btuh) output (btuh) temp. Ri...

  • Page 38

    38 441 01 2613 06 specifications are subject to change without notice. Manufacturers number (mfr no -see rating plate) all models (n8mpl) specifications n8mpl 050b12 n8mpl 075b12 n8mpl 075f16 n8mpl 100f20 n8mpl 100j22 n8mpl 125j20 n8mpl 125j22 general input (btuh) output (btuh) temp. Rise ( o f/ o c...

  • Page 39

    441 01 2613 06 specifications are subject to change without notice. 39 manufacturers number (mfr no -see rating plate) all models (*8mpn) specifications *8mpn 050b12 *8mpn 075b12 *8mpn 075f16 *8mpn 100f14 *8mpn 100f20 *8mpn 100j20 *8mpn 125j20 *8mpn 150j20 general input (btuh) output (btuh) temp. Ri...

  • Page 40

    40 441 01 2613 06 specifications are subject to change without notice. Manufacturers number (mfr no -see rating plate) all models (*8mpl) specifications *8mpl 050b12 *8mpl 075b12 *8mpl 075f16 *8mpl 100f20 *8mpl 100j20 *8mpl 125j20 general input (btuh) output (btuh) temp. Rise ( o f/ o c) 50,000 40,0...

  • Page 41

    441 01 2613 06 specifications are subject to change without notice. 41 15. Circulation air blower data (cfm) n8mpn/l050b12 & *8mpn/l050b12 (1) (8) * denotes brand exterrnal static pressure (in wc/pa) air delivery in cfm (l/s) furnace rated @0.5 in wc (125 pa) esp tap low med l med h high in wc pa cf...

  • Page 42

    42 441 01 2613 06 specifications are subject to change without notice. Circulation air blower data continued *8mpn/l100j20 (2) (8) * denotes brand exterrnal static pressure (in wc/pa) air delivery in cfm (l/s) furnace rated @0.5 in wc (125 pa) esp tap low med l med h high in wc pa cfm l/s cfm l/s cf...

  • Page 43

    43 441 01 2613 06 specifications are subject to change without notice. Wiring diagram n8mpn/l, *8mpn/l.

  • Page 44: Warning

    44 specifications are subject to change without notice. 441 01 2314 06 induced−combustion gas furnace parts replacement information guide casing group outer door blower door door bracket top filler plate bottom encloser inducer group housing assembly pressure switch inducer assembly vent elbow assem...