Navien NPE-32AWE, Installation Manual

Page: 29 / 68

29 Insta ll ing the Water Heater
The installation of the flue exhaust and combustion air
intake system must be calculated and made by sufficiently
qualified and authorised staff. On designing and mounting the
installation, all national and local regulations, standards and
stipulations applicable at the time of installation must be taken
into account.
The minimum distances between the flue exhaust terminal and
the building elements must comply with those shown in the
following table:
G
J
F
H, I
A
A
A
E
B,C
F
F
F
B
G
M
G
N
L
K
D
T erminal P osition
Minimum
D istance ( mm )
A
From openings (e.g. doors, windows,
ventilation grilles)
300
B Under a cornice 200
C Under a gutter or drainpipes 7 5
D Under a balcony or car port roof 200
E From vertical drainpipes 150
F
From internal and external corners of
the building
300
G From the ground, roof and balconies 300
H When no other outlet is installed 600
I
From the wall with the pipe to the front
wall
1200
J
From openings (e.g. doors, windows)
under the roof
1200
5 1 e u l f a m o r f y ll a c i t r e V K 00
L Hori z ontally from a flue 300
M
Vertical flue clearance (Non
combustible building material)
500
N From a front surface with openings 2000
Note
For vertical ducts, the outlet must be at least 60 cm
from any opening.
The dimensions (B, C, D, and E) may be reduced to
25 mm, as long as the flue terminal is extended to
clear any overhangs.