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Heatilator CNXT4236IH-D Owner'S Manual Download Page 58

Heatilator  •  CNXT4236IT-D, CNXT4842IT-D, CNXT4236IH-D, CNXT4842IH-D  •  2360-900  Rev. i  •  5/17

58

Figure 14.3  Placement of Lava Rock

Figure 14.4 Placement of Vermiculite

Spread vermiculite in a light, even pattern on top of lava 

rock. It is not necessary to use the entire bag. Save the 

remaining amount for future use.

F.  Place the Lava Rock and Vermiculite

See Figures 14.3 and 14.4. Place the lava rock in an even 

layer just heavy enough to cover the metal surface.  Stay 

within the zone indicated in Figure 14.3. It is not necessary 

to use the entire bag. Save the remaining amount for 

future use.

WARNING

RISK OF EXPLOSION! 

• Place 

lava rock

 according to instructions.

•  Do NOT place 

lava rock

 on burner top.

•  Do NOT place lava rock in a position that they may 

fall into pilot area.

•  Improperly placed lava rock interferes with proper 

burner operation.

Delayed ignition could occur.
•  Use ONLY Hearth & Home Technologies-approved 

lava rock.

•  Some models may not require use of entire contents 

of bag.

Summary of Contents for CNXT4236IH-D

Page 1: ...240 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 DA...

Page 2: ...rmation Serial Number Type of Gas Model Number Not Not for for use use with with solid solid fuel fuel Ne Ne doit doit pas pas entre entre utilise utilise avec avec un un combustible combustible solid...

Page 3: ...Typical Appliance System 19 B Design and Installation Considerations 20 C Tools and Supplies Needed 20 D Inspect Appliance and Components 20 5 Framing and Clearances A Selecting Appliance Location 21...

Page 4: ...hipping Materials 57 C Clean the Appliance 57 D Accessories 57 E Ember Placement 57 F Place the Lava Rock and Vermiculite 58 G Install the Log Assembly 59 H Fixed Glass Assembly 61 I Install Trim and...

Page 5: ...begins on the date of original purchase In the case of new home construction warranty coverage begins on the date of first occupancy of the dwelling or six months after the sale of the product by an...

Page 6: ...OVE WARRANTY EXCLUSIONS This warranty does not cover the following Changes in surface finishes as a result of normal use As a heating appliance some changes in color of interior and exterior surface f...

Page 7: ...tion Material which will not ignite and burn Such materials are those consisting entirely of steel iron brick tile concrete slate glass or plasters or any combination thereof Materials that are report...

Page 8: ...vented gas fu 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 OB STRUCTIONS Inspection The state or...

Page 9: ...n Teach children to NEVER touch the fireplace Consider not using the fireplace when children will be present Contact your dealer for more information or visit www hpba org safety information To preven...

Page 10: ...See your dealer if you have questions H IPI Battery Tray Battery Installation The IntelliFireTM Plus system has a battery backup option Battery longevity and performance will be affected by the servi...

Page 11: ...ch will become inactive once an optional remote control RC200 RC300 is programmed to the control module Note that the control module will always ignite the fireplace on HI and remain so for the initia...

Page 12: ...ying appliance Hot while in operation DO NOT touch Keep children clothing furniture gasoline and other liquids having ammable vapors away DO NOT operate the appliance with xed glass assembly removed c...

Page 13: ...20 to 40 minutes Odor from appliance When first operated this appliance may release an odor for the first several hours This is caused by the curing of the paint and the burning off of any oils remain...

Page 14: ...maintained your fireplace will give you many years of trouble free service We recommend an nual service by a qualified service technician Doors Surrounds Fronts Frequency Annually By Homeowner Tools n...

Page 15: ...tion 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 Burner Ignition and Operat...

Page 16: ...de panel forward See Figure 3 2 2 To remove the side refractory panels slide the panel forward as shown in Figure 3 3 NOTICE The back panel may fall forward when side panels are removed Damage could o...

Page 17: ...gure 3 8 Remove Screws from Burner Assembly Rear Corners Figure 3 7 Remove Screws from Log Tabs Figure 3 9 Remove Burner Skirt 8 Remove burner skirt by removing 4 screws See Figure 3 9 9 Bend down gra...

Page 18: ...skirt need to be removed in order to identify burner See Figure 3 12 for burner identification chart CD4236IR D LP LP CNXT4236IH T D NG LP CD4236IR D NG CD4842IR D LP LP CNXT4842IH T D NG LP CD4842IR...

Page 19: ...TING ROOF RAFTERS SECTION 8 C FRAMING HEADED OFF IN CEILING JOISTS SECTION 8 C GAS LINE SECTION 11 MANTEL AND MANTEL LEG SECTION 5 D SURROUND HEARTH EXTENSION VENT PIPE SECTIONS 7 and 8 OPTIONAL WALL...

Page 20: ...d in complete or substitute components Keep appliance dry C Tools and Supplies Needed Before beginning the installation be sure that the following tools and building supplies are available Tape measur...

Page 21: ...flect typical installations and are FOR DESIGN PURPOSES ONLY Illustrations diagrams are not drawn to scale Actual installation may vary due to individual design preference Figure 5 1 Appliance Locatio...

Page 22: ...regions where cold air infiltration may be an issue the inside surfaces may be sheetrocked and taped for maximum air tightness To further prevent drafts the wall shield and ceiling fire stops should...

Page 23: ...es 1 in 25 mm min to perpendicular wall A 3 1 2 in 89 mm min from fireplace opening to perpendicular wall B Mantel Leg or Perpendicular Wall Top of Appliance Drywall A B Figure 5 4 Mantel Leg or Wall...

Page 24: ...2 FT MIN 20 INCHES MIN H MIN MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING 6 Termination Locations Fire Risk Maintain vent clearance to combustibles as specified DO NOT pack air space with ins...

Page 25: ...r i V G X V H A V V H Electrical Service V K V K V L C V N 6 inches non vinyl sidewalls 12 inches vinyl sidewalls O 18 inches non vinyl soffit and overhang 42 inches vinyl soffit and overhang P 8 ft Q...

Page 26: ...mm vertical run A length of straight pipe is allowed between two 45 elbows see Figure 7 1 Figure 7 1 7 Vent Information and Diagrams B Vent Table Key The abbreviations listed in this vent table key a...

Page 27: ...agrams Top Vent Horizontal Termination Two 45 Elbows Installation requirements to replace the first 90 elbow with two 45 elbows 4 ft min 1 22 m 20 ft max 6 1 m 1 4 in max 6 mm Figure 7 3 Horizontal te...

Page 28: ...y from vent pipe may cause fire Example DVP pipe 3 ft min vertical 11 ft max horizontal SLP pipe 7 ft min vertical 11 ft max horizontal Fire Risk When using DVP HRC SS and DVP HRC ZC SS termination ca...

Page 29: ...allowed 1 2 ft 152 mm Not allowed 1 ft 305 mm 2 ft 610 mm 1 1 2 ft 457 mm 2 ft 610 mm 2 ft 610 mm 4 ft 1 2 m 2 1 2 ft 762 mm 4 ft 1 2 m 3 ft 914 mm 6 ft 1 8 m 4 ft 1 2 m 10 ft 3 1 m 6 ft 1 9 m 14 ft 4...

Page 30: ...ntinued Three Elbows V1 Min H1 Max V2 Min H2 Max Elbow only 2 ft 610 mm 0 in 0 mm 1 ft 305 mm 6 in 152 mm 3 ft 914 mm 6 in 152 mm 2 ft 610 mm 1 ft 305 mm 6 ft 1 8 m 1 ft 305 mm 6 ft 1 8 m 2 ft 610 mm...

Page 31: ...ical baffle 1 Remove the screws holding the refractory retainers in place See Figure 7 8 Figure 7 8 Remove Refractory Retainers 2 Remove the retainers 3 Remove the right or left side refractory only o...

Page 32: ...4 3 3 3 3 3 3 35 ft 3 4 3 4 3 4 3 3 40 ft 3 4 3 4 3 4 3 4 50 ft 3 4 3 4 3 4 3 4 5 Orientate and align the two pieces of the flue restrictor as shown in Figure 7 13 6 Match the amount of vertical you h...

Page 33: ...V2 H1 60 ft 18 3 m Maximum No specific restrictions on this value EXCEPT V1 V2 H1 cannot exceed 60 ft 18 3 m Note If the DVP 2SL or DVP SLP24 adapter is used with SLP pipe you MUST subtract one numbe...

Page 34: ...D HORIZONTALLY H1 H2 V1 V2 V1 H1 H2 V2 V1 V2 Minimum H1 H2 Maximum Elbow only 1 ft 305 mm 1 ft 305 mm 6 in 152 mm 2 ft 610 mm 2 ft 610 mm 1 ft 305 mm 2 ft 610 mm 2 ft 610 mm 2 ft 610 mm 4 ft 1 2 m 4 f...

Page 35: ...42IT D CNXT4236IH D CNXT4842IH D 2360 900 Rev i 5 17 Figure 7 16 Rear Vent Horizontal Termination No Elbow One 45 Elbow H1 H1 18 in 457 mm Maximum Do not use a 45 elbow in corner installations Use two...

Page 36: ...5 mm Back to Back 90 Elbows 1 ft 305 mm 2 ft 610 mm 2 ft 610 mm 6 in 152 mm 2 ft 610 mm 4 ft 1 2 m 3 ft 914 mm 1 ft 305 mm 2 ft 610 mm 5 ft 1 5 m 3 ft 914 mm 2 ft 610 mm 4 ft 1 2 m 7 ft 2 1 m 3 ft 914...

Page 37: ...1 2 m 12 ft 3 7 m 15 ft 4 6 m V1 H1 H2 H3 40 ft 12 2 m Maximum H1 3 ft 914 mm Maximum H1 H2 H3 20 ft 6 1 m Maximum CXNT4842 Series H1 Maximum V1 Minimum H2 H3 H1 H2 H3 Max 0 ft 0 mm Back to Back 90 El...

Page 38: ...m 3 ft 914 mm 2 ft 610 mm 5 ft 1 5 m 3 ft 914 mm 7 ft 2 1 m 4 ft 1 2 m 8 ft 2 4 m 5 ft 1 5 m 8 ft 2 4 m V1 H1 40 ft 12 2 m Maximum H1 8 ft 2 4 m Maximum V1 Minimum H1 H2 Maximum Back to Back 90 Elbows...

Page 39: ...12 2 m Maximum No specific restrictions on this value EXCEPT V1 H1 H2 H3 cannot exceed 40 ft 12 2 m Maximum H1 H2 H3 8 ft 2 4 m Maximum H1 Maximum V1 Minimum H2 H1 H2 Maximum 2 ft 610 mm 6 in 152 mm 2...

Page 40: ...ield Firestop Heat Shield WALL 3 in 76 mm top clearance 1 in 25 mm clearance bottom sides Heat Shield Wall Shield Firestop Heat Shield WALL 3 in 76 mm top clearance 1 in 25 mm clearance around vertica...

Page 41: ...around the vent Insulation must be kept back from the pipe to prevent overheating Figure 8 4 Installing Ceiling Firestop Figure 8 5 Installing the Attic Shield INSTALL ATTIC INSULATION SHIELDS BEFORE...

Page 42: ...knockout from the fireplace and discard it see Figure 8 6 Center the duct collar around the exposed hole and attach it to the fireplace with 3 screws Note Do this BEFORE final positioning of fireplac...

Page 43: ...oss the rectangles next to the disk For rear vent skip this step Figure 9 2 Remove the white gasket material covering the seal cap WARNING Risk of Fire DO NOT remove the installed piece of insulation...

Page 44: ...retaining band out and use to remove the seal cap Figure 9 10 Discard the vent cap remove and discard the insulation basket NOTICE Once the seal cap has been removed it CANNOT be reattached Figure 9 6...

Page 45: ...n insulation Make sure insulation and other materials are secured DO NOT notch the framing around the appliance standoffs Failure to maintain air space clearance may cause overheating and fire The dia...

Page 46: ...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 47: ...ure 10 1 Only outer pipes need to be sealed All unit collar pipe slip section elbow and cap outer flues shall be sealed in this manner unless otherwise stated Figure 10 5 Adding Venting Components WAR...

Page 48: ...be supported every 8 ft 2 44 m after the maximum allowed 25 ft 7 62 m of unsupported rise Vertical runs originating off the rear of the appliance or after any elbow must be supported every 8 ft 2 44 m...

Page 49: ...of the cathedral ceiling support box on the outside roof Remove shingles or other roof covering as necessary to cut the rectangular hole for the support box Cut the hole 1 8 in 3 mm larger than the s...

Page 50: ...MIN 20 INCHES MIN H MIN MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING Figure 10 15 NOTICE Failure to properly caulk the roof flashing and pipe seams may permit entry of water Caulk the gap betw...

Page 51: ...on WARNING Risk 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 horizont...

Page 52: ...de edges of cap When installing a horizontal termination cap follow the cap location guidelines as prescribed by current ANSI Z223 1 and CAN CGA B149 installation codes and refer to Section 6 of this...

Page 53: ...leak check solution DO NOT use open flame Fittings and connections could have loos ened during shipping and handling WARNING Risk of Fire DO NOT change valve settings This valve has been preset at th...

Page 54: ...oper operation of the appliance WARNING Risk of Shock or Explosion DO NOT wire IPI controlled appliance junction box to a switched circuit Incorrect wiring will override IPI safety lockout Refer to Fi...

Page 55: ...ction box inward to disengage it from the outer shell see Figure 12 2 Pull the electrical wires from outside the appliance through the opening into the valve compartment and secure wires with a Romex...

Page 56: ...isk of Fire DO NOT apply combustible materials beyond the minimum clearances Comply with all minimum clearances to combustibles as specified in this manual Overlapping materials could ignite and will...

Page 57: ...nty E Ember Placement WARNING Risk of Explosion Follow ember place ment instructions DO NOT place ember directly over burner ports Replace ember material annually Improp erly placed ember material int...

Page 58: ...rock in an even layer just heavy enough to cover the metal surface Stay within the zone indicated in Figure 14 3 It is not necessary to use the entire bag Save the remaining amount for future use WAR...

Page 59: ...logs 2 Log A placement SRV2208 702 Install Log A as shown in Figure 2 and Figure 3 Locate log placement bracket and placement tabs shown in Figure 2 Align holes in bottom of log with alignment tabs Pl...

Page 60: ...log placement SRV2208 706 Place the right log by positioning the front V of the log on the indentation on the base log and resting the rear of the log on the flat area of the rear log See Figure 4 and...

Page 61: ...glass assembly latches into the groove on the glass frame Air Shutter Settings I Install Trim and or Surround Install optional trim kits and or surrounds using the instructions included with the acce...

Page 62: ...ximately 095 in 2 41 mm to 135 in 3 43 mm 2 Pilot won t light there is no noise or spark A No power transformer installed incorrectly or depleted batteries Verify that transformer is installed and plu...

Page 63: ...n module and sense lead is at least 0 14 microamps Verify correct pilot orifice is installed and gas inlet is set to pressure specifi cations Polish flame sensing rod with fine steel wool to remove an...

Page 64: ...s refer to Section 5 Figure 16 1 Appliance Dimensions CNXT4236IT D and CNXT4236IH D Models A B C D E FRONT VIEW TOP VIEW LEFT SIDE RIGHT SIDE F G H I J K L M O P GAS LINE ACCESS Q R N Location Inches...

Page 65: ...tion Inches Millimeters J 21 533 K 11 11 16 297 L 35 1 2 901 M 17 3 4 451 N 8 1 2 216 O 2 7 8 73 P 8 1 2 216 Q 1 25 R 42 7 8 1089 Location Inches Millimeters A 48 1219 B 43 1 8 1096 C 34 3 8 873 D 36...

Page 66: ...16 mm 824 579 910 37 173 814 849 SIM 42C CNXT 4842IT D CNXT 4842IH D in 39 7 16 24 3 4 42 13 16 1 7 16 6 13 16 33 15 16 35 3 8 mm 1002 629 1087 37 173 862 899 Figure 16 3 Decorative Front dimensions S...

Page 67: ...172 819 848 CRAFT 42C CNXT 4842IT D CNXT 4842IH D in 39 5 16 23 13 16 42 13 16 1 3 16 6 3 4 34 1 8 35 5 16 mm 999 605 1087 30 172 867 897 Figure 16 4 Decorative Front dimensions Craftsman and Jamesto...

Page 68: ...0 in 254 mm 1 1 2 in 38 mm 5 in 127 mm 12 in 305 mm UP DVP HVS Vent Support DVP WS Wall Shield Firestop DVP FS Ceiling Firestop DVP45 45 Elbow DVP Pipe see chart Effective Height Length 4 7 8 in 276 m...

Page 69: ...f 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 mm the existing heat shields must be field trimmed If...

Page 70: ...37 mm RF12M Roof Flashing Multi pak Cap Shield DRC RADIUS 13 7 8 in 352 mm 9 1 2 in 241 mm 14 in 356 mm COOL ADDM Cap Shield 11 5 8 in 295 mm 5 3 4 in 146 mm 7 1 8 in 181 mm 12 1 8 in 308 mm DVP BEK2...

Page 71: ...in 429 mm DVP HPC High Performance Cap 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 FireBrickTermination Cap DVP TB1 Basement Vent Cap 12 i...

Page 72: ...VI WH100 16 IN 406 mm 15 IN 381 mm 16 11 16 IN 424 mm 9 3 16 IN 233 mm 4 1 2 IN 114 mm 16 11 16 IN 424 mm 13 5 8 IN 346 mm 12 1 2 IN 318 mm 12 1 2 IN 318 mm 20 3 4 IN 527 mm 13 5 8 IN 346 mm PVI SLP B...

Page 73: ...the appliance and are ordered separately from PVLP SLP Contact your dealer to order Note The PVLP SLP requires a PV IPI CK be installed on this appliance The PV IPI CK is ordered separately from the...

Page 74: ...6 mm 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 mm 8 3 8 in 213 mm Fire Risk When using DVP HRC SS and DVP HRC ZC SS termination caps on top v...

Page 75: ...51 305 8 3 4 in 222 mm 6 1 2 in 165 mm 6 5 8 in 168 mm 6 in 152 mm 6 1 2 in 165 mm 6 5 8 in 168 mm 9 7 8 in 251 mm 6 1 2 in 165 mm 9 1 4 in 235 mm SLP45 45 Elbow SLP90 90 Elbow Effective Height Lengt...

Page 76: ...eld trimmed If wall thickness is greater than 7 1 4 in 184 mm a DVP HSM B will be required Heat Shield Term Cap Minimum Effective Length Maximum Effective Length Trap1 3 1 8 in 4 3 4 in 79 mm 121mm Tr...

Page 77: ...SS HORIZONTAL TERMINATION CAP When using DVP TB1 termination cap on top vented fireplaces a three foot minimum vertical vent section is required before installing first elbow 1 in 25 mm 14 in 356 mm...

Page 78: ...___________________________ ________________________________________________________________________________ ________________________________________________________________________________ __________...

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