Technical data – Thomas & Betts UDAP User Manual
Page 6
Form RZ-NA I-UDA, P/N 195673 Rev 5, Page 6
6. Technical Data
Size
30
45
60
75
100
125
BTUH
30,000
45,000
60,000
75,000
105,000
120,000
kw
8.8
13.2
17.6
22.0
30.8
35.2
Thermal Efficiency (%)
82
83
83
83
83
83
BTUH
24,600
37,350
49,800
62,250
87,150
99,600
kw
7.2
11.0
14.6
18.3
25.6
29.2
Natural
1/2
1/2
1/2
1/2
1/2
1/2
Propane
1/2
1/2
1/2
1/2
1/2
1/2
Vent Connection
C
(inches diameter)
4
4
4
4
4
4
Combustion Air Inlet
C
(inches diameter) - UDAS only
4
4
4
4
4
4
Control Amps (24 volt)
1.0
1.0
1.0
1.0
1.0
1.0
Full Load Amps (115 volt)
1.9
2.4
2.4
3.3
3.9
5.1
Maximum Over Current Protection (115V)
D
15
15
15
15
15
15
Normal Power Consumption (watts)
109
155
155
217
276
354
Discharge Air Temperature Rise (°F)
50
55
60
60
60
60
CFM
456
629
769
961
1345
1537
M
3
/minute
12.9
17.8
21.8
27.5
36.7
45.9
ft
2
0.96
0.96
1.25
1.25
2.01
2.01
M
2
0.09
0.09
0.12
0.12
0.19
0.19
FPM
475
656
616
770
668
763
M/minute
145
200
188
238
196
245
Open
0.02
0.03
0.03
0.06
1/30
1/20
Enclosed
N.A.
N.A.
N.A.
N.A.
1/4
1/4
Fan Motor RPM
1550
1550
1550
1550
1050
1050
Fan Diameter (inches)
10
10
12
12
16
16
Sound Level
dba @ 15 ft
40
40
40
49
54
55
Size
150
175
200
225
250
300
350
400
BTUH
150,000
175,000
200,000
225,000
250,000
300,000
350,000
400,000
kw
43.9
51.2
58.6
65.9
73.2
87.8
102.5
117.1
Thermal Efficiency (%)
83
83
83
83
83
83
83
83
BTUH
124,500
145,250
166,000
186,750
207,500
249,000
290,500
332,000
kw
36.4
42.5
48.6
54.7
60.8
72.9
85.1
97.2
Natural
1/2
1/2
1/2
3/4
3/4
3/4
3/4
3/4
Propane
1/2
1/2
1/2
3/4
3/4
3/4
3/4
3/4
Vent Connection
C
(inches diameter)
5
5
5
5
5
6
6
6
Combustion Air Inlet
C
(inches diameter) - UDAS only
6
6
6
6
6
6
6
6
Control Amps (24 volt)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Full Load Amps (115 volt)
3.8
3.8
4.6
7.5
7.5
10.7
10.7
10.7
Maximum Over Current Protection (115V)
D
15
15
15
15
15
20
20
20
Normal Power Consumption (watts)
392
392
491
747
747
1086
1086
1086
Discharge Air Temperature Rise (°F)
60
60
60
60
60
60
60
60
CFM
1921
2242
2562
2882
3202
3843
4483
5123
M
3
/minute
54.4
63.5
72.5
81.6
90.7
108.8
126.9
145.1
ft
2
2.56
2.56
2.56
3.51
3.51
4.79
4.79
4.79
M
2
0.24
0.24
0.24
0.33
0.33
0.45
0.45
0.45
FPM
752
877
1003
820
911
802
936
1069
M/minute
229
267
306
250
278
244
285
326
Open
1/6
1/6
1/6
1/4
1/4
1/2
1/2
1/2
Enclosed
1/4
1/4
1/4
1/4
1/4
1/2
1/2
1/2
Fan Motor RPM
1050
1050
1050
1050
1050
1050
1050
1050
Fan Diameter (inches)
18
18
18
20
20
24
24
24
Sound Level
dba @ 15 ft
51
52
53
56
56
59
61
62
A
CSA ratings for altitudes to 2000 ft.
B
Size shown is for gas connection to a single-stage gas valve, not supply line size.
D
MOCP = 2.25 x (largest motor FLA) + smallest motor FLA. Answer is rounded to the next lower standard circuit breaker size.
E
All other information is this table is based on a heater equipped with a standard 115 volt open fan motor.
TECHNICAL DATA - Sizes 30 - 125 (Data applies to both Models UDAP and UDAS unless noted otherwise.)
Discharge Air Opening Area
Output Velocity
Fan Motor HP
E
Input Heating Capacity
Output Heating Capacity
A
Gas Connection (inches)
B
Air Volume
Discharge Air Opening Area
Input Heating Capacity
Output Heating Capacity
A
Gas Connection (inches)
B
Air Volume
C
Smaller and/or larger vent and combustion air pipe diameters may be permissible. For Model UDAS refer to the Venting Installation Manual for Separated
Combustion Units. For Model UDAP refer to the Venting Installation Manual for Power Vented units. For a Model UDAP with Option AV6, refer to the
Venting Installation Manual for Common Venting.
TECHNICAL DATA - Sizes 150 - 400 (Data applies to both Models UDAP and UDAS unless noted otherwise.)
Output Velocity
Fan Motor HP
E