Hot Water Performance Data

Table 36. Low Output Units Standard Vertical Unit with All Air Ports Open** (continued)

 

Water

 

 

 

Final

 

 

 

 

 

 

Temp.

 

 

Press. Drop

Air.

 

 

Nominal

Outlet

 

 

Drop

Output MBH

Flow Rate

ft/water

Temp.

 

 

CFM

Velocity

 

Model No. °F (°C)

(kW)

G.P.M. (L/s)

m/water

°F (°C)

Motor H.P. (kW)

R.P.M. (m3/s)

FPM (m/s)

Sound Rating

 

20°

310.5

32.00

4.23

90.5°

 

 

 

 

 

500L

(11.1°)

(91.0)

(2.019)

(1.290)

(32.5)

1-1/2

1160

9380

1860

IV

 

 

 

 

 

 

(1.119)

 

(4.377)

(9.449)

 

 

30°

281.7

19.35

1.67

87.7°

 

 

 

 

 

 

 

 

 

(16.7°)

(82.5)

(1.221)

(.509)

(30.9)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10°

394.4

54.19

6.83

95.3°

 

 

 

 

 

 

(5.6°)

(115.6)

(3.418)

(2.083)

(35.2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

600L

20°

377.0

38.85

3.68

93.7°

1-1/2

1160

10,300

2060

IV

(11.1°)

(110.5)

(2.451)

(1.122)

(34.3)

 

(1.119)

 

(4.807)

(10.465)

 

 

 

 

 

 

 

 

 

 

30°

342.2

23.51

1.45

90.6°

 

 

 

 

 

 

(16.7°)

(100.3)

(1.483)

(.442)

(32.6)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20°

453.7

46.76

4.11

95.1°

 

 

 

 

 

720L

(11.1°)

(132.9)

(2.950)

(1.254)

(35.1)

3

1165

11,900

2380

IV

 

 

 

 

 

 

(2.237)

 

(5.553)

(12.090)

 

 

30°

411.7

28.28

1.62

91.9°

 

 

 

 

 

 

 

 

 

(16.7°)

(120.6)

(1.784)

(.494)

(33.3)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

**Performance based on 200° EWT, 20° T.D., 60° E.A.T. Performance at 10° & 30° T.D. is also shown. For capacities at other conditions, use the correction multipliers in the tables on page 17.

*Speed controller option is required for reduced ratings.

Table 37. HOT WATER CALCULATIONS AND CORRECTION FACTOR P STYLE

 

 

EXAMPLE:

 

 

UNIT SIZE _________________042

 

 

Entering Water Temp. _____160°F

 

 

Entering Air Temp. ________ 40°F

 

 

Water Temperature Drop ____ 10°F

 

 

 

I. CAPACITY @ 20° TD:

Read output directly from Table 35 & Table 36,

 

A. For 200° EWT, 60° EAT

22,700 BTU/HR (Ref., Std. 042, p. 12).

 

 

 

 

B. For EWT and/or EAT above or below

Multiply output from Table 35 & Table 36 by factor from

22,700 x .878 = 19,931 BTU/HR.

Standard

Table 38.

 

 

 

 

II. CAPACITY AT OTHER TD's

Multiply output obtained in IA. or IB.

IA - 22,700 x 1.15 = 26,105 BTU/HR.

A. For TD's from 5 to 60°F

(above) by appropriate factor from Table 39

-OR-

 

 

IB - 19,931 x 1.15 = 22,921 BTU/HR.

III.GPM AT OTHER TD's A. For TD's from 5 to 60°F

Multiply GPM of unit for 20° TD, from Table 35 & Table 36 by appropriate factor from Table 39

2.34x 2.30 = 5.38 GPM (Applies only to units with. Std. 200° EWT, 60° EAT.) For all others calculate using formula - GPM = BTU/500 x TD

IV. PRESSURE LOSS AT OTHER TD's

Multiply P.D. of unit for 20° TD, from Table 35 & Table 36 .06 x 5.00 = .30 Ft. H2O

A.ForTD's from 5 to 60°F

by appropriate factor from Table 39

 

 

UH-SVX01A-EN

53

Page 52 Page 54
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Image 53
Trane UH-SVX01A-EN manual HOT Water Calculations and Correction Factor P Style, Capacity @ 20 TD, II. Capacity AT Other TDs
Page 52 Page 54

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