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42 UH-SVX01A-EN
Steam Performance Data
Performance based on 2# steam pressure (13.8 kpa) at heater with air entering @ 60°F (16°C).
For Sound Ratings See Pages 28 and 29.
Use conversion table for all metric conversions.
* For the lower output, an optional Speed Controller must be ordered.
†Stated AMP is full load for the standard motors. AMP draw varies by motor manufacturer ± 0.2 AMPS. Please see your unit's motor data plate for exact (FLA) Full Load Amp
rating.
280 280,000
(82.0)
280.0
(126.8)
1100
(102.2)
121
(49)
1/2
(.373)
1100 4200
(1.982)
980
(4.978)
5.4 20
(508.0)
300 300,000
(87.9)
310.0
(140.4)
1250
(116.1)
117
(47)
1/2
(.373)
1100 5000
(2.360)
700
(3.556)
5.4 24
(609.6)
360 360,000
(105.5)
366.0
(165.8)
1500
(139.4)
120
(49)
1/2
(.373)
1100 5500
(2.596)
1000
(5.080)
5.4 24
(609.6)
Table 21. Steam Calculations and Correction Factors
EXAMPLE:
Unit Size: ___________ 24
Steam Pressure____ 10 PSI
Entering Air Temp. ___ 40°F
I. CAPACITY
A. For 2 lbs. steam, 60° entering air
Read output directly from Table 20, 24,000 BTU/
HR. (Ref., Std. 24).
B. For higher steam pressures and/or E.A.T.'s above
or below 60°F
Multiply output from Table 20 by appropriate
correction factor from Table 22
24,000 x 1.29 = 30,960 BTU/HR.
II. FINAL AIR TEMPERATURE
A. For 2 lbs. steam, 60° entering air
Read temperature directly from Table 20, 109°F.
(Ref., Std. 24)
B. For capacities calculated in I.B. (above) Output from I.B./1.085 x CFM from Table 20 +
E.A.T. = Final Air Temp
30,960/1.085 x 450 + 40 = 103.4°F.
III. FINAL AIR VOLUME
A. For 2 lbs. steam, 60° entering air
460 + Final Air Temp from Table 20 / 530 x Nom.
CFM from Table 20 = Final Air Volume
460 + 109 / 530 x 450 = 483 CFM
B. For final air temperatures calculated in II.B.
(above)
460 + Final Air Temp from II.B. / 530 x Nom. CFM
from Table 20 = Final Air Volume
460 + 103.4 / 530 x 450 = 478 CFM
IV. CONDENSATE PER HOUR
A. For 2 lbs. steam, 60° entering air
Read lbs. per hour from Table 20, 24.5 LBS./HR.
(Ref., Std. 24).
B. For capacities calculated in I.B. (above) Output from I.B. / Latent Heat From Table 23 =
lbs. per hour of condensate
30,960 / 953 = 32.5 LBS./HR.
Table 22. STEAM CORRECTION FACTORS BASED ON 2 PSI (13.8 kPa) STEAM AND 60 Deg. F (16 Deg. C) E.A.T.
ENTERING
AIR TEMP
Deg. F
(Deg. C)
STEAM PRESSURE (SATURATED) - LBS. PER SQ. IN. (kPa)
0
(0)
2
(13.8)
5
(34.5)
10
(68.9)
15
(103.4)
20
(137.9)
30
(206.8)
40
(275.8)
50
(344.7)
75
(517.1)
100
(689.4)
125
(861.8)
150
(1,034.1)
30 -(1) 1.19 1.24 1.29 1.38 1.44 1.50 1.60 1.68 1.70 1.90 2.02 2.11 2.20
40 (4) 1.11 1.16 1.21 1.29 1.34 1.42 1.51 1.60 1.66 1.81 1.93 2.02 2.11
50 (10) 1.03 1.08 1.13 1.21 1.28 1.33 1.43 1.51 1.58 1.72 1.84 1.93 2.02
60 (16) 0.96 1.00 1.05 1.13 1.19 1.25 1.35 1.43 1.50 1.64 1.75 1.84 1.93
70 (21) 0.88 0.93 0.97 1.06 1.12 1.17 1.27 1.35 1.42 1.55 1.66 1.76 1.84
80 (27) 0.81 0.85 0.90 0.98 1.04 1.10 1.19 1.27 1.34 1.47 1.58 1.68 1.76
90 (32) 0.74 0.78 0.83 0.91 0.97 1.02 1.12 1.19 1.26 1.39 1.50 1.59 1.67
100 (38) 0.67 0.71 0.76 0.84 0.89 0.95 1.04 1.12 1.19 1.32 1.42 1.51 1.59
Table 20. Model S Header Type Only (continued)
Unit Size
Output
BTU/
HR*
(kW)
Cond.
lbs./hr.
(kg/hr)
E.D.R.
Sq. Ft.
(sq. m)
Final Air
Deg. °F
(Deg. °C)
Motor HP
(kW) RPM
Nominal
CFM (m
3
/s)
Outlet FPM
(m/s)
Nom. Amps
@ 115 VAC†
Nom. Fan
Diam. Inches
(mm)