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USSC

7

VENTILATION INSTALLATION 

continued...

Clearance above grade, veranda, porch,
deck, or balcony

Clearnace to window or door that may be
opened

Clearance to permanently closed window

Vertical clearance to ventilated soffit lo-
cated above the terminal within a horizon-
tal distance of 2 feet (61 cm) from the cen-
ter line of the terminal

Clearnace to unventilated soffit

Clearance to outside corner

Clearnace to inside corner

Clearnace to each side of center line ex-
tended above meter/regulator assembly

Clearance to service regulator vent outlet

Clearance to nonmechanical air supply in-
let to building or the combustion air inlet to
any other appliance

Clearance to a mechanical air supply inlet

Clearnace above paved sidewalk or paved
driveway located on publis property

Clearance under veranda, porch, deck, or
balcony

A =

B =

C =

D =

E =

F =

G =

H =

I =

J =

K =

L =

M =

12 inches (30 cm)

6 inches (15 cm) for appliance < 10,000 BTU/hr
(3 kW), 12 inches (30 cm) for appliance > 10,000
BTU/hr (3 kW) and <100,000 BTU/hr (30 kW),
36 inches (91 cm) for appliances > 100,000 BTU/
hr (30 kW)

*

*

*

*

*

3 feet (91 cm) within a hieght 15 feet (4.5 m)

above the meter/regulator assembly

3 feet (91 cm)

6 inches (15 cm) for appliance < 10,000 BTU/hr
(3kW), 12 inches (30 cm) for appliance > 10,000
BTU/hr (3kW) and < 100,000 BTU/hr (30 kW),
36 inches (91 cm) for appliance > 100,000 BTU/
hr (30 kW)

6 feet (1.83 m)

7 feet (2.13 m) †

12 inches (30 cm) ‡

12 inches (30 cm)

6 inches (15 cm) for appliance < 10,000 BTU/hr
(3 kW), 9 inches (23 cm) for appliance > 10,000
BTU/hr (3 kW) and < 50,000 BTU/hr (15 kW), 12
inches (30 cm) for appliances > 50,000 BTU/hr
(15 kW)

*

*

*

*

*

*

*

6 inches (15 cm) for appliance < 10,000 BTU/hr
(3kW), 9 inches (23 cm) for appliance > 10,000
BTU/hr (3kW) and < 50,000 BTU/hr (15 kW), 12
inches (30 cm) for appliance > 50,000 BTU/hr
(15 kW)

3 feet (91 cm) above if within 10 feet (3 m)

horizontally

*

*

Canadian Installation 

1

US Installation 

2

1

In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code.

2

In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code.

† A vent shall not terminate directly above a paved sidewalk or paved driveway that is located between two single family dwellings and serve both dwellings.
‡ Permitted only if verdana, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
*

For clearnaces not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, one of the following shall be indicated.
(a)  A minimum  clearances valve determined by testing in accordance with section 2.19.6, or ;
(b)  A reference to the following footnote:

“ Clearance in accordance with local installation codes and the requirements of the gas supplier.”

Summary of Contents for LONGVIE DV12

Page 1: ...USSC 1...

Page 2: ...ing peak pressures in the gas supply affecting normal combustion Its gas tight combustion chamber totally enameled avoids gases which are caused by combustion to contaminate the air and ensures a usef...

Page 3: ...t air outlet Do not spill water over the heater as it may cause corrosion Allow heater to thoroughly cool before servicing Input ratings are shown in BTU per hour and are for elevations up to 2 000 fe...

Page 4: ...4 USSC...

Page 5: ...light fall towards the exterior of approx 2 degrees to avoid the entering of rain water Take into consideration the area indicated for the gas con nection The wall s thickness cannot be less than 4 1...

Page 6: ...THE VENT AIR INTAKE SYSTEM MUST BE PROPERLY INSTALLED TO IN SURE PROPER AND SAFE OPERATION VENTILATION INSTALLATION continued Diagram N 7 Diagram N 6 IMPORTANT The appliance s vent cap should be at l...

Page 7: ...12 inches 30 cm for appliance 10 000 BTU hr 3kW and 100 000 BTU hr 30 kW 36 inches 91 cm for appliance 100 000 BTU hr 30 kW 6 feet 1 83 m 7 feet 2 13 m 12 inches 30 cm 12 inches 30 cm 6 inches 15 cm f...

Page 8: ...8 USSC VENTILATION INSTALLATION continued Diagram N 8...

Page 9: ...he heater controls and burners Failure to do so could prevent the heater from operating reliably FIGURE 8 A qualified gas appliance installer must connect the heater to the gas supply Consult all loca...

Page 10: ...t five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this page If you don t smell gas go to the next step Find the pilot by looking through the...

Page 11: ...not on the valve side Remove the two 2 M4 screws that hold the pilot in place Clean with a vacuum cleaner or use a can of compressed air To Remove Burner Loosen the gas line from the burner on the ri...

Page 12: ...er operation after servicing Permanently lubricated bearing system WARNING ELECTRICAL GROUNDING INSTRUCTIONS This appliance is equipped with a three prong grounding plug for your protection against sh...

Page 13: ...USSC 13 DV20 REPAIR PARTS...

Page 14: ...as Intake Fitting 1 15 1 15756 Gas Intake Lock Fitting 2 16 1 2466 Gas Fitting Support 1 17 1 2465 Control Insulation 1 18 1 Piezo Ignitor Nut 1 19 1 2463 Control Bracket 1 20 1 2464 Piezo Ignitor Bra...

Page 15: ...USSC 15 DV12 REPAIR PARTS...

Page 16: ...2 2462 Gas Fitting Support 1 14 2 2465 Control Insulation 1 15 2 Piezo Ignitor Nut 1 16 2 2463 Control Bracket 1 17 2 2464 Piezo Ignitor Bracket 1 18 2 12455 Piezo Ignitor 1 19 2 11699 Piezo Ignitor...

Page 17: ...USSC 17 BURNER ASSEMBLY REPAIR PARTS...

Page 18: ...zo Ignitor Cable 1 15 3 2468 Pilot Supply Tube 1 4 1 16 3 15707 5 16 Compression Sleeve 1 17 3 16322 Tube Nut 5 16 x G1 4 1 18 3 2467 Burner Supply Tube 3 8 dia 1 19 3 16364 5 16 Tube Fitting 1 20 3 1...

Page 19: ...ses Tube DV20 Internal 1 2 4 2479 Air Incoming Tube DV20 External 1 3 4 347 Enameled Vent Cap DV20 1 4 4 2470 Connecting Rod 1 5 4 16371 Connecting Rod Nut 1 6 4 2475 Outgoing Flue Gases Tube DV12 Int...

Page 20: ...al for future reference DV12 DV20 Owner s Manual When writing always give the full model number which is on the nameplate attached to the fireplace When ordering repair parts or options always give th...

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