Polaris PC 130-34 2NV Benutzerhandbuch

9

The air inlet and exhaust outlet must be installed with the 

following minimum clearances (see figure 6):
• 

Twelve inches (30 cm) above grade or maximum antici-

pated snow level.

• 

Twelve inches (30 cm) from any opening through which 

flue gases could enter the structure.

• 

Four feet (122 cm) horizontally and vertically from gas 

or electric meters, gas regulators, dryer vents, vent 

hoods, bathroom fan exhaust, attic fans and turbines.

• 

Two feet (61 cm) from an inside corner formed by two 

exterior walls. 

• 

Two feet from porches, decks, overhangs and  other 

obstructions.

In addition to maintaining the minimum clearances , the 

vent should terminate according to the following guidelines:

1.    Use only 2 inch pipe or a 2 inch concentric vent 

bushings to outdoor ambient temperatures. 

    CAN/CSA B149.1 Section 8.14.8: 

2.  When terminating a vent under a veranda, porch or 

deck, venting must be installed in accordance to all lo-

cal and provincial codes or in the absence of local and 

provincial codes, please refer to the CAN/CSA B149.1.

3.   A vent shall not terminate less than 7 ft. (2.1 m) above 

a paved sidewalk or paved driveway that is located on 

public property.

4.    A vent shall not terminate in an area where children or 

animals could block pipes.

5.    A vent shall not terminate in a location that is too close 

to shrubs or bushes.

6.  Caulk all cracks, seams and joints within 6 feet (1.83 m) 

horizontally above and below the vent.

7.  Combustion air inlet termination and exhaust air termi-

nation must be located in the same pressure zone.

A.  12 in (30 cm) min. clearance above grade, 

veranda, porch, deck, balcony, or maximum 

anticipated snow level.

B.  12 in (30 cm) min. clearance on top and side of 

window or door that may be opened. Maintain a 

36 in (91 cm) minimum clearance below a window 

or door that may be opened.

C.  Clearance to permanently closed window.**
D.  12 in (30 cm) min vertical clearance to ventilated 

soffit located above the terminal within a horizontal  

distance of 2 ft (61 cm) from the center line of the  

terminal.

E.  12 in (30 cm) min. clearance to unventilated soffit.
F.  Clearance to outside corner **
G.  2 ft (61 cm) clearance to inside corner formed by 

two exterior walls.

H.  4 ft (122 cm) clearance to each side of center line 

extending above meter/regulator assembly.

I.  4 ft (122 cm) clearance to service regulator vent 

outlet.

J.  12 in (30 cm) clearance to nonmechanical air 

supply inlet to building or the combustion air inlet 

to any other appliance.

K.  3 ft (91 cm) above if within 10 ft (3 m) horizontally of 

mechanical air supply inlet.

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

A.  12 in (30 cm) min. clearance above grade,    

 

veranda, porch, deck, balcony, or maximum    

 

anticipated snow level.

B.  12 in (30 cm) min. clearance on top and side of  

 

window or door that may be opened. Maintain         

 

a 36 in (91 cm) minimum clearance below a   

 

window or door that may be opened.

C.  Clearance to permanently closed window.**
D.  12 in (30 cm) min vertical clearance to ventilated  

 

soffit located above the terminal within a horizontal  

 

distance of 2 ft (61 cm) from the center line of the  

 terminal.
E.  12 in (30 cm) min. clearance to unventilated soffit.
F.  Clearance to outside corner. **
G.  2 ft (61 cm) clearance to inside corner formed by  

 

two exterior walls.

H.  3 ft (91 cm) within a height 15 ft (4.57 m) above the  

 meter/regulator 

assembly.

I.  4 ft (122 cm) clearance to service regulator vent outlet.
J.  12 in (30 cm) clearance to nonmechanical air  

 

supply inlet to building or the combustion air inlet to  

 

any other appliance.

K.  6 ft (1.83 m) clearance to mechanical air supply inlet.