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Heatilator  •  NNXT4236IF, NNXT4236ILF, NNXT3633IF, NNXT3633ILF Installation Manual  •  4055-980  Rev. D  •  9/15 

14

H

1

V

1

To replace the 

fi

 rst starter elbow with two 45° elbows, 

refer to Figure 4.8  All other 90° elbows can be replaced 
with two 45° elbows.
General Rules:

•  SUBTRACT 3 ft. from the total H measurement for each 

90° elbow installed horizontally.

•  SUBTRACT 1-1/2 ft. from the total H measurement for 

each 45° elbow installed horizontally.

•  A maximum of three 90° elbows (or six 45° elbows) 

may be used in any vent con

fi

 guration. Some elbows 

may be installed horizontally. See Figure 4.12.

•  Elbows may be placed back to back anywhere in the 

system as long as the 

fi

 rst 90° elbow is a starter elbow 

except as shown in Figure 4.8.

•  When penetrating a combustible wall, a wall shield 

fi

 restop must be installed.

•  When penetrating a combustible ceiling, a ceiling 

fi

 restop must be installed.

•  Horizontal runs of vent do not require vertical rise; 

horizontal runs may be level.

•  Horizontal termination cap should have a 1/4 inch 

downward slant to allow any moisture in cap to be 
released.

F. Vent Diagrams

Figure 4.6

One Elbow

1.  Top Vent - Horizontal Termination

Note: The NNXT series appliances can adapt to SLP series 
vent pipe when venting off the top of the appliance. You 
must use a DVP-SLP24 adapter which can only be attached 
to the appliance starting collar.

When looking at horizontal termination diagrams, the 
adapter is not counted as part of the minimum vertical 
(V

1

 min.) requirements.

Whether horizontal or vertical termination, the adapter is 
counted as part of the maximum vertical limitations.

All venting rules for the vent run must still be followed.

H

1

 = 11 ft.

 max.

V

1

 = 1 ft.

DVP

HORIZONTAL EXAMPLE

H

1

 = 11 ft.

 max.

DVP-SLP24

SLP

V

1

 = 1 ft.

DVP-SLP24

Adapter

12 ft (3.66 m) min.

60 ft (18.29 m) max.

12 ft (3.66 m) min.

60 ft (18.29 m) max.

DVP

VERTICAL EXAMPLE

SLP

V1 min.

V1 max.

H1 max.

ft

m

ft

m

ft

m

0

0.00 -

-

2

0.61

0.33 0.10 -

-

4

1.22

0.5

0.15 -

-

6

1.83

1

0.30 -

-

11

3.35

1.5

0.46 -

-

17

5.18

2

0.61 -

-

17

5.18

DVP

25

7.62 17

5.18

SLP

23

7.01 17

5.18

You may install the elbow directly on 
top of the appliance (DVP only).

Figure 4.7

Содержание NNXT3933IF

Страница 1: ...ed on the rating plate This appliance is not convertible for use with other gases unless a certified kit is used NNXT4236IF NNXT4236ILF NNXT3933IF NNXT3933ILF DO NOT store or use gasoline or other fla...

Страница 2: ...proved Pipe 13 D Use of Elbows 13 E Measuring Standards 13 F Vent Diagrams 14 5 Vent Clearances and Framing A Pipe Clearances to Combustibles 24 B Wall Penetration Framing Firestops 24 C Ceiling Fires...

Страница 3: ...up Section 11 Pg 43 47 All packaging and protective materials removed inside outside of appliance ___________________________ Refractories logs media and embers installed correctly ___________________...

Страница 4: ...reduction of input rate for elevations up to 4500 feet 1370 m above sea level Please consult provincial and or local authorities having jurisdiction for installations at elevations above 4500 feet 13...

Страница 5: ...ntally 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 s...

Страница 6: ...NOT install damaged in complete or substitute components Keep appliance dry B Tools and Supplies Needed Before beginning the installation be sure that the following tools and building supplies are ava...

Страница 7: ...framing dimensions and clearances refer to Section 5 Figure 3 1 Appliance Dimensions Electrical Access Alternative Gas Access 1 3 4 in 44 mm 34 1 2 in 876 mm 1 1 2 in 38 mm 15 3 4 in 400 mm 8 in 203...

Страница 8: ...arances to Combustibles When selecting a location for the appliance it is important to consider the required clearances to walls see Figure 3 2 WARNING Risk of Fire or Burns Provide adequate clearance...

Страница 9: ...ditionally in regions where cold air infiltration may be an issue the inside surfaces may be sheetrocked and taped or an equivalent method may be used to achieve maximum air tightness NOTICE Install a...

Страница 10: ...m C A B Model in mm in mm in mm in mm in mm NNXT3933 39 991 347 8 886 195 8 498 10 254 9 229 NNXT4236 42 1067 347 8 886 195 8 498 10 254 9 229 D Rough Opening SLP Pipe A Rough Opening Width B Rough Op...

Страница 11: ...MIN 20 INCHES MIN H MIN MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING 4 4 Termination Location and Vent Information Fire Risk Maintain vent clearance to combustibles as specified DO NOT pack a...

Страница 12: ...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 QMIN RMAX 1 cap...

Страница 13: ...ntal run and 8 1 2 in 216 mm vertical run A length of straight pipe is allowed between two 45 elbows see Figure 4 4 E Measuring Standards Vertical and horizontal measurements listed in the vent diagra...

Страница 14: ...be level Horizontal termination cap should have a 1 4 inch downward slant to allow any moisture in cap to be released F Vent Diagrams Figure 4 6 One Elbow 1 Top Vent Horizontal Termination Note The NN...

Страница 15: ...d Horizontally Installed Vertically H2 Figure 4 9 Two Elbows 1 Top Vent Horizontal Termination continued Figure 4 8 Two 45 Elbows replacing One 90 Elbow V1 min V1 max H1 H2 max H1 H2 H3 max ft m ft m...

Страница 16: ...ed Vertically V1 min V1 V2 max H1 H2 max ft m ft m ft m DVP 1 0 30 24 7 32 17 5 18 SLP 1 0 30 22 6 71 17 5 18 2 Top Vent Vertical Termination No Elbow Figure 4 11 12 ft 3 66 m min 60 ft 18 29 m max In...

Страница 17: ...1cRemove Top Refractory Remove two screws from firebox top Using these screws and the same holes install the top vent flue baffle The flue baffle will be turned to install below the level of the fireb...

Страница 18: ...T3633IF NNXT3633ILF Installation Manual 4055 980 Rev D 9 15 18 Figure 4 12 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 ve...

Страница 19: ...NNXT3633IF NNXT3633ILF Installation Manual 4055 980 Rev D 9 15 Figure 4 13 Two Elbows 12 ft 3 66 m min 60 ft 18 29 m max Maximum horizontal run is 100 of vertical but cannot exceed 17 ft 5 18 m 2 Top...

Страница 20: ...tor NNXT4236IF NNXT4236ILF NNXT3633IF NNXT3633ILF Installation Manual 4055 980 Rev D 9 15 20 3 Rear Vent Horizontal Termination Figure 4 14 Figure 4 15 No Elbow One 45 Elbow 18 in 457 mm max 18 in 457...

Страница 21: ...1 H3 H1 Installed Horizontally H1 max V1 min H1 H2 H3 max ft m ft m ft m 0 0 1 0 30 3 0 91 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...

Страница 22: ...980 Rev D 9 15 22 4 Rear Vent Vertical Termination One Elbow Figure 4 18 Two Elbows Figure 4 19 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...

Страница 23: ...NXT3633ILF Installation Manual 4055 980 Rev D 9 15 4 Rear Vent Vertical Termination continued Three Elbows Figure 4 20 12 ft 3 66 m min 60 ft 18 29 m max 0 min 6 ft 1 83 m max Maximum horizontal run i...

Страница 24: ...LPPHG I ZDOO WKLFNQHVV LV JUHDWHU WKDQ LQ D 93 60 ZLOO EH UHTXLUHG DVP SLP Pipe Shown 3 in 76 mm top clearance 1 in 25 mm clearance bottom sides Heat Shield Wall Shield Firestop Heat Shield WALL 3 in...

Страница 25: ...insu lation around the vent Insulation must be kept back from the pipe to prevent overheating Figure 5 3 Installing Ceiling Firestop Figure 5 4 Installing the Attic Shield INSTALL ATTIC INSULATION SH...

Страница 26: ...6 2 Figure 6 3 Figure 6 4 Figure 6 5 Discard the vent cap remove and discard the insulation basket from the inner vent pipe Note Once the vent cap has been removed it cannot be reattached Remove insu...

Страница 27: ...re 6 10 Figure 6 9 Fold the tabs toward the center of the vent cap 90 and remove the insulation gasket Cut the metal retaining band and fold the sides out Fold the center parts of the retaining band o...

Страница 28: ...ating and fire The diagram shows how to properly position and secure the appliance see Figure 6 11 Nailing tabs are provided to secure the appliance to the framing members Bend out nailing tabs on eac...

Страница 29: ...trate 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 elbow joint to prevent the el...

Страница 30: ...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 7 5 Adding Venting Components WARNING Risk of Fire or...

Страница 31: ...ust 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...

Страница 32: ...MIN 20 INCHES MIN H MIN MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING Figure 7 14 insert Bolt into Brackets Figure 7 14 insert Bolt into Brackets NOTICE Failure to properly caulk the roof flash...

Страница 33: ...8 mm mini mum There are two sections of the heat shield One section is factory attached to the wall shield firestop The other section is factory attached to the cap See Figure 7 16 If the wall thickne...

Страница 34: ...ap follow the cap location guidelines as prescribed by current ANSI Z223 1 and CAN CGA B149 installation codes and refer to Section 4 of this manual CAUTION Risk of Burns Local codes may require in st...

Страница 35: ...or Hearth Technologies fireplace systems and termination caps The shrouds must be constructed from a minimum 018 in 26 ga thick aluminized steel The wire mesh is optional but recommended and must be 0...

Страница 36: ...Dimension Min Opening Width Min Base Dimension Minimum Height Figure 7 19 Roofed Style Shroud Dimensions Roofed Style Shroud may be used with DVP TV DVP TVHW SLP TVHW Mailbox Style Shroud may be used...

Страница 37: ...the screw attaching the junction box receptacle to the outer shell rotate the junction box inward to dis engage it from the outer shell see Figure 8 1 Pull the electrical wires from outside the applia...

Страница 38: ...connect the black hot white neutral and green ground wires to the junction box as shown Add a 1 4 in insulated female connector to the red switch leg wire route it through the knockout in the face of...

Страница 39: ...during shipping and handling WARNING Risk of Fire DO NOT change valve settings This valve has been preset at the factory WARNING Risk of Fire or Explosion High pressure will damage valve Low pressure...

Страница 40: ...uld be adjusted by a qualified ser vice technician at the time of installation The air shutter is set at the factory for minimum vertical vent run Adjust air shutter for longer vertical runs See Figur...

Страница 41: ...and or finishing materials must not interfere with air flow through louvers operation of louvers or doors or access for service Facing and or finishing materials must never overhang into the glass op...

Страница 42: ...tc 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 Measured from top of hood in i...

Страница 43: ...accompany the door of the unit depending on the fireplace model Splatter guards must be removed before appliance is fired WARNING Risk of Fire Close the ball valve before in stalling the splatter gua...

Страница 44: ...k It is not necessary to use the entire bag Save the remaining rockwool for future use I Place the Vermiculite Sprinkle on top of lava rock Rockwool Lava Rock Vermiculite Figure 11 6 Placement of Rock...

Страница 45: ...ack log The Y end of the log should rest on the top indent in the right middle log and the top of the right bottom log K Replacing Fixed Glass Assembly Set the glass panel on the lower two or four gla...

Страница 46: ...ched between legs and the bottom pan Control Heat Shield in Place O Install Control Heat Shield The control heat shield MUST be placed over the control plate before operating the appliance Not doing s...

Страница 47: ...55 980 Rev D 9 15 Rotate the screen in at the bottom until it touches the magnetic touch latches See Figure 11 19 Press in on the bottom of the screen until the magnetic touch latches close See Figure...

Страница 48: ...54 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 124 mm 13 m...

Страница 49: ...nimum 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 mm the existing heat shields must be field trim...

Страница 50: ...i 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 DVP HPC Cap Brick Extension 13...

Страница 51: ...n Cap 7 1 4 in 12 in 305 mm 184 mm 5 1 4 in 133 mm 12 1 2 in 318 mm DVP TVHW VerticalTermination Cap Highwind 14 in 356 mm 12 in 305 mm 12 1 8 in 314 mm 7 1 8 in 181 mm 8 3 4 in 222 mm 1 5 8 in 41 mm...

Страница 52: ...2 A Vent Components Diagrams continued Fillers DVP TRAP to DVP HPC Side Filler Kit 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...

Страница 53: ...mm SLP45 45 Elbow SLP90 ST 90 Elbow Effective Height Length SLP PIPE SLP HVS Horizontal Pipe Support SLP FS Ceiling Firestop SLP WS Wall Shield Firestop DVP SLP24 Adapter 6 1 2 in 165 mm 25 3 16 in 64...

Страница 54: ...d 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 wall thickness is greater than 7 1 4 in 184 mm a DVP H...

Страница 55: ...mm 13 in 330 mm 1 5 16 in 34 mm 10 9 16 in 269 mm 14 in 356 mm 12 1 2 in 318 mm 12 in 305 mm SLP CCS BK Cathedral Ceiling Support Box Black SLP DCF BK Ceiling Firestop Black SLK SNKD Snorkel Terminat...

Страница 56: ...PVLP SLP Contact your dealer to order Note The PVLP SLP requires a PVLP CK be installed on this appliance The PVLP CK is ordered separately from the PVLP SLP Contact your dealer to order Figure 12 9 P...

Страница 57: ...ative Shroud 20 in 508 mm 17 in 432 mm 9 3 8 in 238 mm TCG375 Terra Cotta Cap LDSCP M Shroud Leg Multipack not shown See your Heatilator dealer for a complete listing of optional components Catalog A...

Страница 58: ...ic Shock Use ONLY Hearth Home Technologies approved optional acces sories with this appliance Using non listed accessories could result in a safety hazard and will void the warranty Remote Controls Wa...

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