NeoTherm Boilers and Water Heaters
Page 11
*When vent terminal is less than 10 feet (3 m) horizontally
from a forced air inlet, the terminal must be at least 3 feet
(0.9 m) above the air inlet.
fig. 8 - Combustion air and Vent through Side Wall
U.S. Installations (see note 1)
Canadian Installations (see note 2)
a=
Clearance above grade, veranda, porch,
12 inches (30 cm)
12 inches (30 cm)
deck, or balcony
See note 6
See note 6
B=
Clearance to window or door that may be Direct vent only: 12 inches (30 cm);
36 inches (91 cm)
opened
Other than Direct vent: 4 ft (1.2m) below or to
side of opening; 1 ft (30 cm) above opening
C=
Clearance to permanently closed window
See note 4
See note 5
D=
Vertical clearance to ventilated soffit located
above the terminal within a horizontal
See note 4
See note 5
distance of 2 feet (61 cm) from the center
line of the terminal
e=
Clearance to unventilated soffit
See note 4
See note 5
f=
Clearance to outside corner
See note 4
See note 5
G=
Clearance to inside corner
See note 4
See note 5
H=
Clearance to each side of center line
3 feet (91 cm) within a height 15 feet
extended above meter/regulator assembly See note 4
above the meter/regulator assembly
I=
Clearance to service regulator vent outlet
See note 4
3 feet (91 cm)
J=
Clearance to nonmechanical air supply
Direct vent only: 36” (91cm)
inlet to building or the combustion air inlet Other than Direct vent: 4 ft (1.2m) below
36 inches (91 cm)
to any other appliance
or to side of opening; 1 ft (30 cm) above opening
K=
Clearance to a mechanical air supply inlet 3 feet (91 cm) above if within 10 feet (3 m)
6 feet (1.83 m)
horizontally
l=
Clearance above paved sidewalk or paved
Vent termination not allowed in this location
Vent termination not allowed in this
driveway located on public property
for category IV appliances.
location for category IV appliances.
m=
Clearance under veranda, porch, deck,
See note 4
12 inches (30 cm) (see note 3)
or balcony
notes:
1. In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code.
2. In accordance with the current CAN/CGA-B149 Installation Codes.
3. Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
4. For clearances not specified in ANSI Z223.1 / NFPA 54, clearance is in accordance with local installation codes and the requirements of the
gas supplier.
5. For clearances not specified in CAN/CGA-B149, clearance is in accordance with local installation codes and the requirements of the gas
supplier.
6. IMPORTANT: All terminals must be placed so that they remain a minimum 12” above expected snow line. Local codes may have more
specific requirements, and must be consulted.
Summary of Contents for NTV1000
Page 2: ......
Page 35: ...NeoTherm Boilers and Water Heaters Page 31 Fig 20 Ladder Diagram...
Page 36: ...LAARS Heating Systems Page 32 Fig 21 Wiring Diagram...
Page 37: ...NeoTherm Boilers and Water Heaters Page 33...
Page 51: ...NeoTherm Boilers and Water Heaters Page 47 Fig 52 Connection Terminals...
Page 130: ...LAARS Heating Systems Page 126 Fig 140 Machine Frame and Rear Panel 13 3 PARTS ILLUSTRATIONS...
Page 131: ...NeoTherm Boilers and Water Heaters Page 127 Fig 141 Front Panel and Covers...
Page 132: ...LAARS Heating Systems Page 128 Fig 142 Burners and Combustion Chambers...
Page 134: ...LAARS Heating Systems Page 130 Fig 145 Electronic Components...
Page 135: ...NeoTherm Boilers and Water Heaters Page 131 Fig 146 Condensate Trap Fig 147 Control Bezel...
Page 136: ...LAARS Heating Systems Page 132 Fig 148 Flow Switch...
Page 137: ...NeoTherm Boilers and Water Heaters Page 133 This page intentionally left blank...