UHA S
TANDARD
U
NIT
H
EATER
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
16 of 49
Fi
g
ure 9: Separated Combustion Heater - Vertical and Horizontal Vent Termination
Fi
g
ure 10: Concentric Vent Box
12" (31 cm)
Minimum from air inlet to
v
ent
termination.
V
ent
Termination
Listed Thimble through
Combustible
W
all
V
ent**
12" (31 cm)
Minimum from wall
to
v
ent termination.
Air Intake
12" (31 cm)
Minimum from air inlet to
v
ent
termination.
Air Intake
Termination
NOTE:
V
ent supports not shown
V
ent**
Air Intake*
12" (31 cm)
Minimum from roof to
v
ent
termination.
Vertical
Option
Horizontal
Option
90°
Bend
Model
**Vent Diameter
Part Number
UHA[X]S 150 - 400
4" (10 cm)
90502102
Model
*Air Intake Diameter
Part Number
UHA[X]S 150 - 250
4" (10 cm)
90502102
UHA[X]S 300 - 400
5" (13 cm)
90502105
4" (10 cm) Single
W
all
V
ent Pipe
(By Others)
Seal joint between single wall
and Type B
v
ent with silicone sealant.
Use 3 sheetmetal
screws e
q
ually
spaced around joint.
Use 3 sheetmetal
screws e
q
ually
spaced around collar.
Concentric
V
ent Box
6" (15 cm) or
8
" (20 cm)
Single
W
all Inlet Air Pipe
(By Others)
One piece of 4" (1
0 cm) diamet
er, 1/4" (6 cm)air
space t
ype
“B”
v
ent. Selkir
k Model R
V
or e
q
ui
v
alent.
(By other
s)
Combustion Air
to Heater
Toward
Outside
Exhaust
from Heater
4" (10 cm) or
5" (13 cm)
Содержание UHA 150
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Страница 28: ...UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL 20 of 49 Figure 12 Gas Connection...
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Страница 55: ...SECTION 16 SPECIFICATIONS 47 of 49 SECTION 16 SPECIFICATIONS 16 1 Dimension Data...
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