SECTION 16: S
PECIFICATIONS
53 of 55
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[T][M][X][S][R] 300
UHD[T][M][X][S][R] 350
UHD[T][M][X][S][R] 400
Full Load Amps @ 120 V
A
2
6
6
Minimum Air Volume
CFM
2700
3120
3420
Temperature Rise @
Minimum Air Volume
°F
(°C)
86
(47)
86
(47)
86
(47)
Heat Exchanger Pressure
Drop @ Minimum Air Volume
in wc
0.02
0.03
0.04
Maximum Air Volume
CFM
10200
13600
14200
Temperature Rise @
Maximum Air Volume
°F
(°C)
23
(13)
22
(12)
22
(12)
Heat Exchanger Pressure
Drop @Maximum Air Volume
in wc
0.27
0.48
0.53
Flue Size*
in
(cm)
4 - All Models
(10)
Air Intake*
in
(cm)
5
(13)
5
(13)
5
(13)
Duct Size (Width)
28
(71)
35
(89)
35
(89)
35
(89)
Duct 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[T][M][X][S][R] 300
UHD[T][M][X][S][R] 350
UHD[T][M][X][S][R] 400
Total Input High Fire
(Btu/h) x (1000)
300
350
385
Total Input Low Fire
(Btu/h) x (1000)
210
245
269.5
Total Output High Fire
(Btu/h) x (1000)
246
287
315.7
Total Output Low Fire
(Btu/h) x (1000)
172.2
200.9
221
Efficiency
%
82
82
82
Natural Gas Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
Burner Pressure High Fire
in wc
3.9
4.0
3.3
Burner Pressure Low Fire
in wc
1.8
1.8
1.4
LPG / Propane Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
Burner Pressure High Fire
in wc
10.0
8.7
10.7
Burner Pressure Low Fire
in wc
4.9
4.2
5.1
Summary of Contents for UHD150
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Page 27: ...SECTION 9 GAS PIPING 19 of 55 Figure 13 Gas Connection...
Page 47: ...SECTION 14 TROUBLESHOOTING 39 of 55 14 1 General...
Page 62: ...UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 54 of 55...
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