1. DL manuals
  2. ICP
  3. Furnace
  4. C8DNL
  5. Installation Instructions Manual

ICP C8DNL Installation Instructions Manual

Other manuals for C8DNL: User's Information Manual
Manual is about: 80% Single Stage, Downflow, Category I, Gas Furnace

Summary of C8DNL

  • Page 1

    Printed in u.S.A. 441 01 2314 06 july 2010 installation instructions 80% single stage, downflow, category i, gas furnace c8dnl, h8dnl, t8dnl these instructions must be read and understood completely before attempting installation. Safety labeling and signal words danger, warning, caution, and note t...

  • Page 2: Warning

    441 01 2314 06 specifications are subject to change without notice 2 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 2314 06 specifications are subject to change without notice. 2 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

    441 01 2314 06 specifications are subject to change without notice. 3 1. Safe installation requirements fire, explosion, and asphyxiating hazard improper adjustment, alteration, service, maintenance or installation could cause death, personal injury, and/or property damage. Installation or repairs m...

  • Page 5: 2.  Installation

    441 01 2314 06 specifications are subject to change without notice. 4 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 de- vices that are designed to turn t...

  • Page 6: Warning

    2 3 / 16 3 7 / 8 4 15 / 16 all dimensions in(mm) 1 in = 25.4 mm drawing is representative, some models may vary in appearance 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 ...

  • Page 7: Warning

    441 01 2314 06 specifications are subject to change without notice. 6 typical downflow installation figure 2 vent gas supply supply air return air 25−24−38 3. Combustion & ventilation air carbon monoxide poisoning hazard failure to follow this warning could result in personal injury or death. Use me...

  • Page 8

    441 01 2314 06 specifications are subject to change without notice. 7 1. Provide the space with sufficient air for proper combustion and ventilation of flue gases using horizontal or vertical ducts or openings. 2. Figure 3 illustrates how to provide combustion and ventilation air when two permanent ...

  • Page 9: Warning

    441 01 2314 06 specifications are subject to change without notice. 8 indoor combustion air ! Carbon monoxide poisoning hazard failure to follow this warning could result in personal injury or death. Most homes will require additional air from outdoors for combustion and ventilation. A space with at...

  • Page 10: 4.  Gas Vent Installation

    441 01 2314 06 specifications are subject to change without notice. 9 3. Other openings are caulked or sealed. These include joints around window and door frames, between sole plates and floors, between wall−ceiling joints, between wall panels, at penetrations for plumbing, electrical and gas lines,...

  • Page 11: Warning

    441 01 2314 06 specifications are subject to change without notice. 10 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 12

    441 01 2314 06 specifications are subject to change without notice. 11 figure 5 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 13: 6. Masonry Chimney Venting

    441 01 2314 06 specifications are subject to change without notice. 12 6. 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 14

    441 01 2314 06 specifications are subject to change without notice. 13 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 15

    441 01 2314 06 specifications are subject to change without notice. 14 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 16: 7.  Gas Supply and Piping

    441 01 2314 06 specifications are subject to change without notice. 15 7. 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 nat...

  • Page 17: Warning

    441 01 2314 06 specifications are subject to change without notice. 16 piping with street elbows 1. Assemble the elbows so that the outlet of one(1) elbow is 90° from the inlet of the other. The elbows should be tight enough to be leak proof. An additional 1 / 4 turn will be required at the end of s...

  • Page 18: 8.  Electrical Wiring

    441 01 2314 06 specifications are subject to change without notice. 17 8. 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 with a suitable warning label, before m...

  • Page 19: 9.  Ductwork and Filter

    441 01 2314 06 specifications are subject to change without notice. 18 figure 11 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. Hot neut . W bk g connecti...

  • Page 20: Warning

    441 01 2314 06 specifications are subject to change without notice. 19 duct design design and install the air distribution system to comply with air conditioning contractors of america manuals or other approved methods that conform to local codes and good trade practices. When the furnace is located...

  • Page 21

    441 01 2314 06 specifications are subject to change without notice. 20 table 4 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...

  • Page 22: Caution

    441 01 2314 06 specifications are subject to change without notice. 21 sub-base for combustible floors- downflow coil adapter box the subbase for combustible floors is required when a downflow furnace, used with a downflow coil box, is set on combustible flooring. Note: supply opening is 3 7 / 8 ″ (...

  • Page 23

    441 01 2314 06 specifications are subject to change without notice. 22 the redesigned filter bracket needs to be centered on top of the flanges spanning the depth of the flange opening. Position it so the “v” portion is between the inner sides of the flanges with the flat tabs are resting on top of ...

  • Page 24: 10.  Checks and Adjustments

    441 01 2314 06 specifications are subject to change without notice. 23 10. Checks and adjustments startup note: refer to startup procedures in the users information manual. ! Electrical shock, fire, or explosion hazard failure to follow this warning could result in personal injury, death and/or prop...

  • Page 25: Warning

    441 01 2314 06 specifications are subject to change without notice. 24 the input rating must be derated 5% (natural) or 10% (propane) for each 1000′ (305m) above sea level. This may be accomplished by a simple adjustment of manifold pressure or an orifice change, or a combination of a pressure adjus...

  • Page 26: Warning

    441 01 2314 06 specifications are subject to change without notice. 25 table 6 propane 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 to 914) * 3001 to 4000 (915 to 1219) 4001 to 5000 (1220 to 1524) 5...

  • Page 27: Caution

    441 01 2314 06 specifications are subject to change without notice. 26 note: it is very important to reinstall the nox insert mounting screws. Figure 22 removing nox inserts representative drawing only, some models may vary in appearance. Main burner flame check allow the furnace to run approximatel...

  • Page 28: 11.  Furnace Maintenance

    441 01 2314 06 specifications are subject to change without notice. 27 2. Change the heat or cool blower motor speed by removing the motor speed lead from the “heat” or “cool” terminal and re- place it with the desired motor speed lead from the “m1” or “m2” location. Connect the wire previously remo...

  • Page 29

    441 01 2314 06 specifications are subject to change without notice. 28 12. 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 30

    441 01 2314 06 specifications are subject to change without notice. 29 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 31: Downflow

    441 01 2314 06 30 specifications are subject to change without notice. Save this manual for future reference downflow models *8dnl050b12b2 *8dnl075b12b2 *8dnl075f16b2 *8dnl100f14b2 *8dnl100l20b2 *8dnl125l20b2 * denotes brand international comfort products, llc lewisburg, tn 37091 u.S.A..

  • Page 32: Model Specifications

    441 01 2314 06 specifications are subject to change without notice. 31 model specifications manufacturers number (mfr no -see rating plate) all models specifications *8dnl050b12 *8dnl075b12 *8dnl075f16 *8dnl100f14 *8dnl100l20 *8dnl125l20 general input (btuh) output (btuh) temp. Rise ( o f/ o c) 50,0...

  • Page 33: Circulation Air Blower Data

    441 01 2314 06 specifications are subject to change without notice. 32 circulation air blower data *8dnl050b12 (1) 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 cfm l/s cfm l/s 0.10 25 702 331 96...

  • Page 34: Wiring Diagram *8Dnl

    441 01 2314 06 specifications are subject to change without notice. 33 wiring diagram *8dnl.

  • Page 35: Warning

    34 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...