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Heatilator Direct Vent Gas Appliance CNXT4236IH, Owner'S Manual, Page: 27 / 80

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Heatilator Direct Vent Gas Appliance CNXT4236IH Owner'S Manual Download Page 27

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/08

27

Figure 7.9

2.  Top Vent - Vertical Termination  - (continued)

Three Elbows

12 ft (3.66 m) min.
60 ft (18.29 m) max.

Maximum horizontal run is 
100% of vertical, but cannot 
exceed 26 ft (7.92 m)

Note: 

If installing a vertical vent/

termination off the top of the appli-
ance, the vertical termination baf

fl

 e 

should be used. 

Summary of Contents for Direct Vent Gas Appliance CNXT4236IH

Page 1: ...e manufacturer s instructions and the manufactured home construction and safety standard Title 24 CFR Part 3280 or Standard for Installation in Mobile Homes CAN CSA Z240MH This appliance is only for u...

Page 2: ...s Your new Heatilator gas fireplace will give you years of durable use and trouble free enjoyment Welcome to the Heatilator family of fireplace products We recommend that you record the following pert...

Page 3: ...ce Location 17 B Constructing the Appliance Chase 18 C Clearances 18 D Mantel and Wall Projections 19 6 Termination Locations A Vent Termination Minimum Clearances 20 7 Vent Information and Diagrams A...

Page 4: ...Clean the Appliance 60 D Accessories 60 E Heat Zone Gas 60 F Lava Rock Vermiculite Rockwool Placement 60 G Log Assembly 61 H Fixed Glass Assembly 62 I Install Trim and or Surrounds 62 J Install Hood 6...

Page 5: ...r this warranty is limited to the purchase price of the product In no event shall HHT be liable for any incidental or consequential damages caused by defects in the product Adjustments regular mainten...

Page 6: ...pproved by HHT in writing This warranty does not apply to non HHT venting components hearth components or other accessories used in conjunction with the installation of this product This warranty is v...

Page 7: ...h 1000 feet above 2000 feet In CANADA Reduce input rate 10 for elevations between 2000 feet and 4500 feet Above 4500 feet consult local gas utility Check with your local gas utility to determine prope...

Page 8: ...eled heating appliance or equipment The sign shall read in print size no less than one half 1 2 in in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS Inspection The state or local gas insp...

Page 9: ...tended operation when not using your fireplace for an extended period of time summer months vacations trips etc Remove batteries from remote controls Turn off wall controls Unplug 3 volt adapter plug...

Page 10: ...ler or Hearth Home Technologies if the barrier is not present or help is needed to properly install one For more information refer to the instructions supplied with your decorative door or front G Rem...

Page 11: ...fireplace with the wall switch or remote control The IPI system may be operated with two D cell batteries When using batteries unplug the transformer To prolong battery life remove them when using the...

Page 12: ...ation will disappear Blue flames This is a result of normal operation and the flames will begin to yellow as the fireplace is al lowed to burn for 20 to 40 minutes Odor from fireplace When first opera...

Page 13: ...equency Annually By Homeowner Tools needed Protective gloves stable work surface Assess condition of screen and replace as necessary Inspect for scratches dents or other damage and repair as necessary...

Page 14: ...sary Figure 3 1 IPI Pilot Flame Patterns B Maintenance Tasks Qualified Service Technician The following tasks must be performed by a qualified service technician Logs Frequency Annually By Qualified S...

Page 15: ...Collar SECTION 10 Attic insulation shield not shown must be used here to keep insulation away from vent pipe if attic is insulated SECTION 8 Vent pipe penetrates roof preferably without affecting roof...

Page 16: ...eded Before beginning the installation be sure that the following tools and building supplies are available Tape measure Framing material Pliers High temperature caulking material Hammer Phillips scre...

Page 17: ...ign preference In addition to these framing dimensions also reference the following sections Clearances and Mantel Projections Section 3 C Vent Clearances and Framing Section 6 Rear vent One 45 elbow...

Page 18: ...n regions where cold air infiltration may be an issue the inside surfaces may be sheetrocked and taped for maximum air tightness Figure 5 2 Clearances to Combustibles C Clearances NOTICE Install appli...

Page 19: ...s to combustibles as specified Framing or finishing material closer than the minimums listed must be construct ed entirely of noncombustible materials i e steel studs concrete board etc Figure 5 3 Min...

Page 20: ...Roof Pitch H Min Ft Roof Pitch H Min Ft Flat to 6 12 1 0 Over 11 12 to 12 12 4 0 Over 6 12 to 7 12 1 25 Over 12 12 to 14 12 5 0 Over 7 12 to 8 12 1 5 Over 14 12 to 16 12 6 0 Over 8 12 to 9 12 2 0 Over...

Page 21: ...N Vertical clearance between two horizontal termination caps 12 in 30 cm minimum O Horizontal clearance between two horizontal termination caps 12 in 30 cm minimum P 6 Non vinyl sidewalls 12 Vinyl si...

Page 22: ...A length of straight pipe is allowed between two 45 elbows see Figure 7 1 Figure 7 1 Using Two 45 Elbows 7 7 Vent Information and Diagrams B Vent Table Key The abbreviations listed in this vent table...

Page 23: ...vertical rise horizontal runs may be level E Vent Diagrams Figure 7 3 One Elbow 1 Top Vent Horizontal Termination Note The CNXT series appliances can adapt to SLP series vent pipe when venting off th...

Page 24: ...ed Vertically H2 Figure 7 5 Two Elbows 1 Top Vent Horizontal Termination continued Figure 7 4 Two 45 Elbows replacing One 90 Elbow V1 min V1 max H1 H2 max H1 H2 H3 max ft m ft m ft m ft m 0 5 0 15 6 1...

Page 25: ...ries 4047 132 Rev T 09 08 25 Figure 7 6 1 Top Vent Horizontal Termination continued Three Elbows H1 V1 V2 H2 Installed Vertically V1 min V1 V2 max H1 H2 max ft m ft m ft m DVP 1 0 30 24 7 32 19 5 79 S...

Page 26: ...ent termination off the top of the appli ance the vertical termination baffle should be used 12 ft 3 66 m min 60 ft 18 29 m max 12 ft 3 66 m min 60 ft 18 29 m max Maximum horizontal run is 100 of vert...

Page 27: ...Vertical Termination continued Three Elbows 12 ft 3 66 m min 60 ft 18 29 m max Maximum horizontal run is 100 of vertical but cannot exceed 26 ft 7 92 m Note If installing a vertical vent termination...

Page 28: ...Heatilator Caliber CNXT Series 4047 132 Rev T 09 08 28 3 Rear Vent Horizontal Termination Figure 7 10 Figure 7 11 No Elbow One 45 Elbow 18 in 457 mm max 18 in 457 mm max...

Page 29: ...H1 Installed Horizontally H1 max V1 min H1 H2 max ft m ft m ft m 2 0 61 1 0 30 3 0 91 4 1 22 2 0 61 6 1 83 6 1 83 3 0 91 9 2 74 8 2 44 4 1 22 12 3 66 8 2 44 5 1 52 15 4 57 8 2 44 6 1 83 18 5 49 H1 ma...

Page 30: ...r Vent Vertical Termination One Elbow Figure 7 14 Two Elbows Figure 7 15 12 ft 3 66 m min 60 ft 18 29 m max 0 min 6 ft 1 83 m max 12 ft 3 66 m min 60 ft 18 29 m max 0 min 6 ft 1 83 m max Maximum horiz...

Page 31: ...ies 4047 132 Rev T 09 08 31 4 Rear Vent Vertical Termination continued Three Elbows Figure 7 16 12 ft 3 66 m min 60 ft 18 29 m max 0 min 6 ft 1 83 m max Maximum horizontal run is 100 of vertical but c...

Page 32: ...mination baffle supplied with the appliance may be used Part of the refractory must be removed before installing the vertical baffle Remove the four screws holding the refractory retainers in place Se...

Page 33: ...into the inner flue so that the bottom of the baffle is above the bead on the inside of the collar See Figure 7 22 Release pressure on the baffle so that it is wedged against the sides of the flue co...

Page 34: ...clearance to vent DO NOT pack insulation or other combustibles Between ceiling firestops Between wall shield firestops Around vent system Failure to keep insulation or other material away from vent pi...

Page 35: ...es a ceiling floor see Figure 8 3 SLP pipe only Frame opening 9 in x 9 in 229 mm x 229 mm whenever the vent penetrates a ceiling floor see Figure 8 3 Frame the area with the same sized lumber as used...

Page 36: ...shield on the ceiling firestop and attach to the firestop Bend all tabs inward 90 around the top of the shield These tabs must be used to prevent blown insulation from getting between the shield and v...

Page 37: ...ield cover plate to top of appliance and set aside See Figure 9 1 Remove three remaining screws holding the plate surrounding flue See Figure 9 3 Remove plate and set aside Figure 9 3 Cover Plate Remo...

Page 38: ...er See Figure 9 7 Remove outer shell cover and set aside Figure 9 7 Outer Shell Cover Figure 9 8 Outer Cover Rear Remove Plate Figure 9 9 Remove Inner Cover Plate Remove four screws holding outer cove...

Page 39: ...ed collars and replace four screws to hold plate in place See Figure 9 12 Place inner cover plate on appliance top and replace four screws to hold inner cover plate in place See Figure 9 14 Make sure...

Page 40: ...of heat shield Replace four screws to hold this plate in place See Figure 9 16 Locate outer shell cover removed in the sixth step Figure 9 7 Place the cover on top of appliance See Figure 9 17 Replac...

Page 41: ...and fire The diagram shows how to properly position level and secure the appliance see Figure 9 20 Nailing tabs are provided to secure the appliance to the framing members Bend out nailing tabs on eac...

Page 42: ...predrilling holes DO NOT penetrate inner pipe For 90 and 45 elbows that are changing the vent direction from horizontal to vertical one screw minimum should be put in the outer flue at the horizontal...

Page 43: ...eding vent component is securely fitted and locked into the preceding component 1 Align Seams 2 Rotate Figure 10 5 Adding Venting Components WARNING Risk of Fire or Explosion DO NOT break silicone sea...

Page 44: ...ns in Assembling Pipe Sections NOTICE If slip section is too long the inner and outer flues of the slip section can be cut to the desired length Maintain a 1 1 2 in 38 mm overlap between the slip sect...

Page 45: ...eater in size than pattern of support box as it is projected onto roofline 2 in 51 mm minimum below finished ceiling Cathedral ceiling support box Level Use a plumb bob to mark the center line of the...

Page 46: ...n min 610 mm Roof Pitch H Min Ft Roof Pitch H Min Ft Flat to 6 12 1 0 Over 11 12 to 12 12 4 0 Over 6 12 to 7 12 1 25 Over 12 12 to 14 12 5 0 Over 7 12 to 8 12 1 5 Over 14 12 to 16 12 6 0 Over 8 12 to...

Page 47: ...the storm collar around the exposed pipe section closest to the roof and align brackets Insert a bolt provided through the brackets and tighten the nut to complete the storm collar assembly Make sure...

Page 48: ...ood fit Draw around flashing remove Apply silicone sealant to roof inside the lines Figure 10 21 Lubricate pipe or flue with water and slide flashing down Seat firmly in sealant Nail roof flashing to...

Page 49: ...sk of Fire To prevent overheating and fire heat shields must extend through the entire wall thick ness DO NOT remove the heat shields attached to the wall shield firestop and the horizontal terminatio...

Page 50: ...elines as prescribed by current ANSI Z223 1 and CAN CGA B149 installation codes and refer to Section 6 of this manual CAUTION Risk of Burns Local codes may require installation of a cap shield to prev...

Page 51: ...Pressure Natural Gas Propane Minimum inlet pressure 5 0 in w c 11 0 in w c Maximum inlet pressure 7 0 in w c 14 0 in w c Manifold pressure 3 5 in w c 10 0 in w c Note Have the gas supply line install...

Page 52: ...s appliance is equipped with an Intellifire control valve which operates on a 3 volt system Plug the 3 voltAC transformer into the appliance junction box to supply power to the unit OR install two D c...

Page 53: ...dations Determine Location Determine the location for the wall switch The chosen location should provide an accessible location in the same space as the gas fireplace Never place this unit in a separa...

Page 54: ...ME ON ADAPTER WIRES FLAME SOLENOID IPI VALVE IPI MODULE BROWN BLACK FAN CONNECTION YELLOW YELLOW FRONT VIEW REAR VIEW RED GREEN YELLOW OR WHITE FAN THERMOSTAT 3V DC BROWN BROWN RED BLACK BATTERIES BLA...

Page 55: ...oid Place washer on flame control solenoid Insert the correct plunger blue natural gas red propane into the flame control solenoid Thread the flame control solenoid with correct plunger into the threa...

Page 56: ...Plate Locate cover plate see Figure 12 4 and remove from appliance Figure 12 4 Remote Cover Plate Shipping Location Bend four legs at 90 angle Figure 12 5 Bend Legs Place over control plate so that al...

Page 57: ...lame button once see Figure 12 8 fireplace will light with flames on high Turn solenoid clockwise to increase pressure counterclockwise to decrease pressure until manifold pressure on high is 3 5 in w...

Page 58: ...l box In the event of a power failure switch the battery operation switch to the Battery ON position The fireplace can now be turned on and off with the ON OFF rocker switch located near the gas valve...

Page 59: ...jections Acceptable on both sides of opening Mantels Mantel Legs or Wall Projections 0 in 0 in 0 in Finish wall material may be combustible Top and Sides High Temperature Sealant 300 F 149 C min Top a...

Page 60: ...of Vermiculite Rock wool placement shaded areas Vermiculite and lava rock placement on sides and front of hearth pan Vermiculite and lava rock placement on sides and front of hearth pan Figure 14 1 Pl...

Page 61: ...wool on the burner pan so that rockwool touches but does not cover the holes in the burner pan It is not necessary to use the entire bag Save the remaining amount for future use Figure 14 7 Placing Ri...

Page 62: ...cess panel to expose two 36 in model or three 42 in model Quick Access Latches Rotate bottom of screen assembly away from appliance and lower out of top retainers Release top and bottom access latches...

Page 63: ...ot assembly for shorted sparker wire or cracked insulator around electrode Replace pilot if necessary 2 Pilot won t light there is no noise or spark A No power or transformer installed incorrectly Ver...

Page 64: ...ensing rod should glow shortly after ignition Verify correct pilot orifice is installed and gas inlet is set to pressure specifications C Module is not grounded Verify module is securely grounded to m...

Page 65: ...162mm Gas Line Access 9 1 4 in 235 mm C A 23 in 584 mm 15 in 381 mm Alternative Gas Line Access 33 1 2 in 851 mm 38 5 8 in 981 mm A Appliance Dimension Diagram Dimensions are actual appliance dimensi...

Page 66: ...Effective Height Length 10 1 2 in 267 mm 10 7 8 in 276 mm DVP45 45 Elbow 45 4 7 8 in 124 mm Assembled Height 24 in 610 mm Diameter 10 in 254 mm DVP AS2 10 in 254 mm 1 in 25 mm DVP FS Ceiling Firestop...

Page 67: ...25 mm 13 1 4 in 367 mm RF12M Roof Flashing Multi pak BEK Trap Cap Brick Extension 13 3 4 in 349 mm 5 in 127 mm 13 3 4 in 349 mm DVP BEK2 DVP HPC Cap Brick Extension 13 7 8 in 352 mm 5 in 127 mm 11 7 8...

Page 68: ...98 mm DVP TV Vertical Termination Cap PVK 80 For use with IPI and DSI appliances only 1 in 25 mm 14 in 356 mm 3 8 in 10 mm 1 in 25 mm 7 1 4 in 184 mm 7 3 4 to 10 3 8 in 197 to 264 mm DVP FBHT Fire Br...

Page 69: ...Length Note Heat shields MUST overlap by a minimum of 1 1 2 in 38 mm The heat shield is designed to be used on a wall 4 in to 7 1 4 in 102 mm to 184 mm thick If wall thickness is less than 4 in 102 m...

Page 70: ...rams continued Figure 16 6 DVP Vent Components 13 in 330 mm 15 in 381 mm 8 1 8 in 206 mm DVP HRC SS 10 7 8 in 276 mm 10 1 2 in 267 mm 3 87 Effective Length 5 3 4 to 8 3 8 in 146 to 213 mm 5 1 2 in 140...

Page 71: ...ow Effective Height Length Effective Height Length Pipe inches mm SLP4 4 102 SLP6 6 152 SLP12 12 305 SLP24 24 610 SLP36 36 914 SLP48 48 1219 SLP6A 2 6 51 152 SLP12A 2 12 51 305 SLP FLEX 2 24 610 SLP F...

Page 72: ...er Vent DVP FBHT Firebrick Termination Cap This termination cap requires an SL 2DVP adapter when used with SLP Pipe SLP TRAP1 Horizontal Termination Cap SLP CCS BK Cathedral Ceiling Sup port Box Black...

Page 73: ...g 4047 140 Top Log Assembly 4040 038 3 Top Y Log 4040 202 4 Top Log 4040 203 5 Middle Log Pre GA164700 4040 206 Post GA164700 4000 316 6 Back Log Assembly 4040 207 Back Log 4040 204 7 Gasket 4031 252...

Page 74: ...PART NUMBER Blower Assembly 4047 016 Exhaust Baffl e 4000 197 Front Face 4040 274 Gas Operations Manual 71680 Installation Instructions 4047 132 Lava Rock Bag Assembly 4040 094 Mineral Wool 14333B Ve...

Page 75: ...y Diagram and Parts List 36 in Caliber NXT Series CNXT4236IT CNXT4236IH IPI Valve Assembly Beginning Manufacturing Date Jan 2006 Ending Manufacturing Date Active 2 3 5 7 12 6 11 9 1 10 8 4 Service Par...

Page 76: ...8 31238 31238 1 5 Hearth Pan 4040 256 4040 256 4040 256 4040 256 1 6 Burner Support 4040 259 4040 259 4040 259 4040 259 1 7 Grate Retainer 4040 272 4040 272 4040 272 4040 272 1 8 Flue Adapter Plate 25...

Page 77: ...5 Middle Log Pre GA1647700 4040 206 4040 206 4040 206 4040 206 1 Post GA1647700 4000 316 4000 316 4000 316 4000 316 1 6 Back Log Assembly 4040 208 4040 208 4040 208 4040 208 1 Back Log 4040 205 4040...

Page 78: ...4 4047 144 4047 144 1 12 Variable Valve 750 500 750 501 750 500 750 501 1 8 11 10 2 4 3 7 5 9 1 12 6 Valve Assembly Service Parts 06 08 Service Parts List 42 in Caliber NXT Series CNXT4842 SERIES Begi...

Page 79: ...t FFCAC36PT Arts Crafts style pewter decorative faux front FFCAC36BN Arts Crafts style brushed nickel decorative faux front FFCJ36 Jamestown style black decorative faux front FFCJ36PT Jamestown style...

Page 80: ...___ ________________________________________________________________________________ This product may be covered by one or more of the following patents United States 4593510 4686807 4766876 4793322 4...

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