Heatilator CNXT4236IFTT Owner's Manual
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Heatilator CNXT4236IFTT Owner's Manual

Heatilator CNXT4236IFTT Owner's Manual

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INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
Contact your dealer with questions regarding installation, operation or service.
NOTICE: DO NOT discard this manual!
Models:
This appliance may be installed as an OEM
installation in manufactured home (USA
only) or mobile home and must be installed
in accordance with the manufacturer's
instructions and the Manufactured Home
Construction and Safety Standard, Title 24
CFR, Part 3280 in the United States, or the
Standard for Installation in Mobile Homes,
CAN/CSA Z240 MH Series, in Canada.
This appliance is only for use with the type(s)
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
In the Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fitter.
See appliance installation manual for additional
Commonwealth of Massachusetts requirements.
Owner's Manual
Heatilator • CNXT4236IFT, CNXT4842IFT Owner's Manual • 2515-981 Rev. L • 12/20
Care and Operation
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
• DO NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
• What to do if you smell gas
- DO NOT try to light any appliance.
- DO NOT touch any electrical switch. DO
NOT use any phone in your building.
- Leave the building immediately.
- Immediately call your gas supplier from
a neighbor's phone. Follow the gas sup-
plier's instructions.
- If you cannot reach your gas supplier, call
the fire department.
• Installation and service must be performed
by a qualified installer, service agency, or the
gas supplier.
DANGER
A barrier designed to reduce the risk of
burns from the hot viewing glass is provided
with this appliance and must be installed for
the protection of children and other at-risk
individuals.
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
1

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Summary of Contents for Heatilator CNXT4236IFTT

  • Page 1 In the Commonwealth of Massachusetts installation must be performed by a licensed plumber or gas fitter. See appliance installation manual for additional Commonwealth of Massachusetts requirements. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 2: Welcome

    00,000 00,000 00,000 00,000 MIN. MIN. INPUT INPUT BTUH: BTUH: 00,000 00,000 00,000 00,000 Serial Serial ORIFICE ORIFICE SIZE: SIZE: #XXXXX #XXXXX #XXXXX #XXXXX XXXXXXXX XXXXXXXX (Serie): (Serie): Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 3: Table Of Contents

    C. Contact Information ......32  = Contains updated information. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 4: Limited Lifetime Warranty

    Firebox and heat exchanger, FlexBurn® System 3 years Lifetime (engine, inner cover, access cover and fireback) None 1 Year All purchased replacement parts Page 1 of 2 4021-645L 10/20 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 5 EXPRESSED WARRANTY SPECIFIED ABOVE FOR THE APPLICABLE PRODUCT. Some States do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. Page 2 of 2 4021-645L 10/20 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 6: Product Specific Information

    Installation and service of this appliance should be performed by qualified personnel. Hearth & Home Technologies recommends HHT Factory Trained or NFI certified professionals. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 7: Important Safety And Operating Information

    • Keep remote controls out of reach of children. • Never leave children alone near a hot fireplace, whether Figure 3.1 Clear Space Requirement - All Models operating or cooling down. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 8: General Operating Parts

    • Conversions must be made by a qualified service technician using Hearth & Home Technologies specified and approved parts. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 9 Sugges ons on how to further reduce TV temperatures: Increase “A” dimension. Increase “C” dimension, however, increasing “B” dimension beyond maximum recommended typically results in higher temperatures. Figure 3.4 Good Faith TV Guidelines Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 10: Before Lighting Appliance

    • Ensure that the glass is sealed and in the proper position and that the integral barrier is in place. WARNING! Risk of Fire or Asphyxiation! DO NOT op- erate fireplace with fixed glass assembly removed. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 11: Lighting Instructions (Ipi)

    F. Lighting Instructions (IPI) Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 12: Appliance Break-In

    If this occurs, restart the appliance. NOTICE! Open windows for air circulation during fire- place break-in. • Some people may be sensitive to smoke and odors. • Smoke detectors may activate. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 13: Operation During A Power Outage ( Intellifire Touch )

    3.5 Control Cavity / Battery Pack Location NOTICE: Some functionality will be lost when using battery backup including remote control, fan, lights, or any other auxiliary functions that require household 110-120 VAC power. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 14: Detailed Component Operating Instructions - Intellifire Touch

    IFT-RC400 or IFT-RC150. The wired wall care in accessing the IFT-ECM. switch is NOT available if a Power Vent is used. - Set the IFT-ECM 3-position selector switch to OFF position. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 15 Optional Heat-Duct Kit The Heat-Duct heat management option is available for use with the CNXT4236IFT and CNXT4842IFTH appliances. The Heat-Duct redistributes heat from the fireplace via the furnace ductwork. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 16: Maintenance And Service

    • DO NOT operate fireplace with glass removed, cracked, broken or scratched. • Replace as a complete assembly. Note: Fixed glass assembly and gasketing may have res- idue that can stain carpeting or floor surfaces. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 17 (building additions, decks, fences, or sheds). • Inspect for corrosion or separation. • Verify weather stripping, sealing and flashing remains intact. • Inspect draft shield to verify it is not damaged or missing. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 18: Maintenance Tasks - Qualified Service Technician

    Use caution when cleaning these areas. Screw tips that have penetrated the sheet metal are sharp and should be avoided. • Remove all foreign objects. • Verify unobstructed air circulation. Figure 4.2 IPI Pilot Flame Patterns Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 19 • Replace the glass assembly on the appliance. Pull out and latch the four glass assembly latches into the groove on the glass frame. • Reinstall decorative front. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 20 See Figure 4.7. Figure 4.4 Side Refractory Removal Figure 4.7 Remove Screws from Front Tab Figure 4.5 Back Refractory Removal Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 21 Figure 4.12 Valve Assembly Removal Figure 4.9 Remove Screws from Burner Assembly Rear Corners 8. Remove burner skirt by removing 4 screws. See Figure 4.10. Figure 4.10 Remove Burner Skirt Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 22 CNXT Burners have a hole in the lower right corner. Note: The same burner is used both for NG models and models converted to propane. Figure 4.13 Burner identification Examples Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 23: Frequently Asked Questions And Troubleshooting

    Installer’s Manual for this the touch. appliance. Contact your dealer for additional information regarding operation and troubleshooting. Visit www.heatilator.com to locate a dealer. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 24: Frequently Asked Questions - Intellifire Touch Controls (Ift-Rc400)

    Try again period of appliance inactivity. persists, contact dealer for service. by pressing Flame On. Gas control system failure. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 25: Troubleshooting

    If open or shorted, replace valve. Check valve harness wire continuity, if open replace 6-pin harness. Pilot won’t light, there is no noise Spark coil failure. Replace ECM. or spark, 2 Red/2 Green Lockout. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 26 Check Damaged pilot assembly. resistance between tip of sense rod and IFT-ECM connector, should be less than 1 ohm. Replace pilot assembly if damage is detected. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 27: Reference Materials

    • Install a switch lock or a wall/remote control with child protection lockout feature. • Keep remote controls out of reach of children. See your dealer if you have questions. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 28: Service Parts

    Glass Assembly GLA-6GLX Refer to valve page Valve Assembly Blower Assembly GFK160B Junction Box (Plastic) SRV4021-013 Surround Assembly 2166-019 Additional service part numbers appear on following page. 12/20 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 29 Glass Assembly GLA-8CLX Valve Assembly Refer to valve page Blower Assembly GFK160B Junction Box (Plastic) SRV4021-013 Surround Assembly 2170-019 Additional service part numbers appear on following page. 12/20 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 30 582-850 **Fuse for battery pack can be sourced locally, not a warranty item. Specs are 250v, 3A fuse, 3/4” long Additional service part numbers appear on following page. Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...
  • Page 31 CNXT4236IFT Conversion Kit Propane LPK-CNXT36 Conversion Kit NG NGK-CNXT42 CNXT4842IFT Conversion Kit Propane LPK-CNXT42 Orifice, Pilot NG SRV593-528 Orifice, Pilot Propane SRV593-527 Regulator NG NGK-DXV-50 Regulator Propane SRVLPK-DXV-50 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

  • Page 32: Contact Information

    This product may be covered by one or more of the following patents: (United States) 6601579, 6769426, 6863064, 7077122, 7074035, 7098269, 7234932, 7258116, 7322819, 7422011, 7470729, 7726300, 8147240, 9625149 or other U.S. and foreign patents pending. 2000-945E Printed in U.S.A. - Copyright 2020 Heatilator • CNXT4236IFT, CNXT4842IFT Owner’s Manual • 2515-981 Rev. L • 12/20...

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