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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 (%) 828383838383
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)
444444
Combustion Air Inlet
C
(
inches diameter
)
-
UDAS onl
y
444444
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 (%) 83838383838383 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
)
5555566 6
Combustion Air Inlet
C
(
inches diameter
)
-
UDAS onl
y
6666666 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 ratin
g
s for altitudes to 2000 ft.
B
Size shown is for
g
as connection to a sin
g
le-sta
g
e
g
as valve, not su
pp
l
y
line size.
D
MOCP = 2.25 x (lar
g
est 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 e
q
ui
pp
ed with a standard 115 volt o
p
en fan motor.
TECHNICAL DATA - Sizes 30 - 125
(
Data a
pp
lies 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 a
pp
lies to both Models UDAP and UDAS unless noted otherwise.
)
Output Velocity
Fan Motor HP
E