SECTION 16: S
PECIFICATIONS
45 of 47
16.2 General Technical Data Table
*Do not exceed the maximum length of flue stated or heater may not operate properly.
16.3 Technical Data Table
Model
UHD[X][S] 75
UHD[X][S] 100
UHD[X][S] 125
F
u
ll Load Amps @ 120
V
A
1
2
2
Minim
u
m Air
V
ol
u
me
CFM
850
950
1020
Temperat
u
re Rise @ Minim
u
m Air
V
ol
u
me
°F (°C)
68 (37)
78 (43)
92 (51)
Heat Exchanger Press
u
re Drop @ Minim
u
m Air
V
ol
u
me
in
w
c
0.06
0.05
0.06
Maxim
u
m Air
V
ol
u
me
CFM
2650
3660
4750
Temperat
u
re Rise @ Maxim
u
m Air
V
ol
u
me
°F (°C)
22 (12)
22 (12)
20 (11)
Heat Exchanger Press
u
re Drop @ Maxim
u
m Air
V
ol
u
me
in
w
c
0.36
0.55
0.98
Fl
u
e Size/Air Intake**
in (cm)
4 (10)-All models
D
u
ct Size (Width)
in (cm)
16 3/4 (43)
21 3/4 (55)
21 3/4 (55)
D
u
ct Size (Height)
in (cm)
15 7/8 (40)
15 7/8 (40)
15 7/8 (40)
Weight
lb (kg)
81 (36.7)
92 (41.7)
97 (44)
Recomended Mo
u
nting Height to Heater Base
ft (m)
12 (3.66)
20 (6.10)
20 (6.10)
Model
UHD[X][S] 75
UHD[X][S] 100
UHD[X][S] 125
Total Inp
u
t
(Bt
u
/h) x (1000)
75
100
125
Total O
u
tp
u
t
(Bt
u
/h) x (1000)
61.5
82
102.5
Efficiency
%
82-All models
Natural Gas (G20) Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in.
w
c
3.5
2.6
3.3
LPG / Propane (G31) Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in.
w
c
10.0
9.1
10.0
Summary of Contents for UHD 125
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Page 29: ...SECTION 9 GAS PIPING 21 of 47 Figure 14 Gas Connection...
Page 43: ...SECTION 14 TROUBLESHOOTING 35 of 47 14 1 General...
Page 54: ...UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 46 of 47...
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