16
Direct Vent Terminal Clearances
Canadian Installations
1
US Installations
2
A
Clearance above grade, veranda, porch, deck, or
balcony
12” (30 cm)
12” (30 cm)
B
Clearance to window or door that may be opened
36” (91 cm)
12” (30 cm)
C
Clearance to window or door that may be opened
*
*
D
Clearance to permanently closed window
*
*
E
Clearance to unventilated soffit
*
*
F
Clearance to outside corner
*
*
G
Clearance to inside corner
*
*
H
Clearance to each side of center line extended above
meter/regulator assembly
3
’ (91 cm) within a height of
15’ (4.5 m) above the meter/
regulator assembly
*
I
Clearance to service regulator vent outlet
36” (91 cm)
*
J
Clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other appliance
36” (91 cm)
12” (30 cm)
K
Clearance to a mechanical air supply inlet
6’ (1.83 m)
3’ (91 cm) above if within 10’
(3 m) horizontally
L
Clearance above paved sidewalk or paved driveway
located on public property
7’ (2.13 m)
α
*
M
Clearance under veranda, porch deck, or balcony
12” (30 cm)
β
*
1
In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code
2
In accordance with ANSI Z223.1/ NFPA 54 National Fuel Gas Code
α
A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and
serves both dwellings
β
Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
* For clearances not specified in ANSI Z223.1/ NFPA 54 or CSA-B149.1. Clearance in accordance with local installation codes
and the requirements of the gas supplier
Room Air, Vent Terminal Clearances
Canadian Installations
1
US Installations
2
A
Clearance above grade, veranda, porch, deck, or
balcony
12” (30 cm)
12 in (30 cm)
B
Clearance to window or door that may be opened
36” (91 cm)
4’ (1.2 m) below or to side of
opening; 1’ (30 cm) above
opening
C
Clearance to window or door that may be opened
*
*
D
Clearance to permanently closed window
*
*
E
Clearance to unventilated soffit
*
*
F
Clearance to outside corner
*
*
G
Clearance to inside corner
*
*
H
Clearance to each side of center line extended above
meter/ regulator assembly
36” (91 cm) within a height of
15’ (4.5 m) above the meter/
regulator assembly
*
I
Clearance to service regulator vent outlet
36” (91 cm)
*
J
Clearance to non-mechanical air supply inlet to
building or the combustion air inlet to any other
appliance
36” (91 cm)
4’ (1.2 m) below or to side of
opening; 1’ (30 cm) above
opening
K
Clearance to a mechanical air supply inlet
6’ (1.83 m)
3’ (91 cm) above if within 10’
(3 m) horizontally
L
Clearance above paved sidewalk or paved driveway
located on public property
7’ (2.13 m)
α
*
M
Clearance under veranda, porch deck, or balcony
12” (30 cm)
β
*
1
In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code
2
In accordance with ANSI Z223.1/ NFPA 54 National Fuel Gas Code
α
A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and
serves both dwellings
β
Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
* For clearances not specified in ANSI Z223.1/ NFPA 54 or CSA-B149.1. Clearance in accordance with local installation codes
and the requirements of the gas supplier
2.4.3
LOCATION OF A SIDEWALL AIR INLET TERMINAL
The termination point of the sidewall air inlet must be installed a minimum of 3 feet above normal levels of snow accumulation.
Models 500
– 1800:
The point of termination for the sidewall combustion air inlet terminal MUST be located a minimum 18
inches (0.45 m) below the point of flue gas termination (vent cap).
Summary of Contents for ADVANTUS AVH 1000
Page 2: ......
Page 3: ......
Page 38: ...31 Figure 23 Recommended Piping with Reverse Return and Variable Primary Flow...
Page 88: ...81 PART 12 EXPLODED VIEW Figure A...
Page 89: ...82 Figure B FAN BURNER ASSEMBLY AV500 600 some items may not be as shown...
Page 90: ...83 Figure C FAN BURNER ASSEMBLY AV800 4000 some items may not be as shown...
Page 91: ...84 Figure D Figure E...
Page 92: ...85 Figure F Figure G...
Page 93: ...86 Figure H CONTROL BOARD ASSEMBLY...
Page 100: ...93 PART 13 ELECTRICAL DIAGRAMS...
Page 101: ...94...
Page 102: ...95...