SECTION 16: S
PECIFICATIONS
55 of 57
16.5 General Technical Data Table
* Do not exceed the maximum length of flue stated or heater may not operate properly.
16.6 Technical Data Table
Model
UHD[X][S][R] 300
UHD[X][S][R] 350
UHD[X][S][R] 400
F
u
ll Load Amps @ 120
V
A
2
6
6
Minim
u
m Air
V
ol
u
me
CFM
2700
3120
3420
Temperat
u
re Rise @
Minim
u
m Air
V
ol
u
me
°F
(°C)
86
(47)
86
(47)
86
(47)
Heat Exchanger Press
u
re
Drop @ Minim
u
m Air
V
ol
u
me
in
w
c
0.02
0.03
0.04
Maxim
u
m Air
V
ol
u
me
CFM
10200
13600
14200
Temperat
u
re Rise @
Maxim
u
m Air
V
ol
u
me
°F
(°C)
23
(13)
22
(12)
22
(12)
Heat Exchanger Press
u
re
Drop @Maxim
u
m Air
V
ol
u
me
in
w
c
0.27
0.48
0.53
Fl
u
e Size*
in
(cm)
4 - All Models
(10)
Air Intake*
in
(cm)
5
(13)
5
(13)
5
(13)
D
u
ct Size (Width)
28
(71)
35
(89)
35
(89)
35
(89)
D
u
ct Size (Height)
24
(61)
40.5
(103)
40.5
(103)
40.5
(103)
Weight (Net)
lb
(kg)
325
(147.4)
345
(156.5)
345
(156.5)
Model
UHD[X][S][R] 300
UHD[X][S][R]] 350
UHD[X][S][R] 400
Total Inp
u
t
(Bt
u
/h) x (1000)
300
350
385
Total O
u
tp
u
t
(Bt
u
/h) x (1000)
246
287
315.7
Efficiency
%
82 - All Models
Natural Gas Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in
w
c
2.7
2.7
3.3
LPG / Propane Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in
w
c
9.4
9.3
11.1
Summary of Contents for Combat UHD-Series
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