Exhaust Vent And Intake Pipe Location - NTI TRX150 Manual

D. Exhaust Vent and Intake Pipe Location
E
Figure 19 - Exit Terminals for Direct Vent Systems - ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada
A
Clearance above grade, veranda, porch, deck, or balcony
B Clearance to window or door that may be opened
C
Clearance to permanently closed window
Vertical clearance to ventilated soffit located above the terminal within a hori-
D
zontal distance 2 feet (61 cm) from the center line of the terminal
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
I Clearance to service regulator vent outlet
Clearance to nonmechanical air supply inlet to building or the
J
combustion air inlet to any other appliance
K Clearance to mechanical air supply inlet
Clearance above paved sidewalk or paved driveway located on
L
public property
M Clearance under veranda, porch deck, or balcony
Table 13 - Vent Termination Clearances - *NOTE: For clearances not specified in ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada, please use
clearances in accordance with local installation codes and the requirements of the gas supplier.
WARNING
The building owner is responsible for keeping the exhaust and intake
terminations free of snow, ice, or other potential blockages, as well
as scheduling routing maintenance. Failure to keep the vent piping
terminations clear and properly maintain the heater could result in
property damage, severe personal injury, or death.
INSIDE CORNER
DETAIL
G
E
A
B
B
E
OPERABLE
FIXED
CLOSED
E
M B
E
I
I
E
J
A
K
Exhaust Vent Terminal Intake Pipe Terminal
I
DESCRIPTION
Part 1 - General Safety Information
H
E
C
FIXED
E
CLOSED
OPERABLE
F
E
B
E
I
L
B
Area Where Intake Terminal Is Not Permitted
Direct Vent
4 ft below or to side of
Power Vent
opening; 1 ft above opening
Direct Vent
4 ft below or to side of
Power Vent
opening; 1 ft above opening
3 feet above if within 10 feet
Direct Vent
Power Vent
WARNING
For each floor containing bedroom(s), a carbon monoxide detector and
alarm shall be placed in the living area outside the bedrooms, as well as
in the room that houses the heater. Detectors and alarms shall comply
with NFPA 720 (latest edition). Failure to comply with these requirements
could result in product damage, severe personal injury, or death.
Part 5 - Venting
D
I
E
K
LP-179-CC
03/28/17
US
1 foot (30 cm)
1 foot
3 feet (91 cm)
*
*
*
*
*
*
Above a regulator
within 3 feet (91 cm)
horizontally of the
* vertical center line of
the regulator vent outlet
to a maximum vertical
distance of 15 ft (4.5 m)
1 foot
3 feet (91 cm)
6 feet (1.83 m)
horizontally
*
7 feet (2.13 m)
7 feet (2.13 m)
* 1 foot (30 cm)
CANADA
35