General Data
PKG-PRC002-EN
17
SCWF/SIWF
20-38 Tons
Table GD-1. SCWF/SIWF Water-Cooled Self-Contained, 20-38 Tons
Unit Size
20
22
25
29
32
35
38
Compressor Data
Quantity
2
2
2
1/1
1/1
3
3
NominalTon/Comp
10
10
10
15/10
15/10
10
10
Circuits
2
2
2
2
2
3
3
Evaporator Coil Data
Rows
2
2
3
2
4
3
4
Sq. Ft.
21.81
21.81
21.81
29.98
29.98
31.35
31.35
Sq. m
(2.03)
(2.03)
(2.03)
(2.79)
(2.79)
(2.91)
(2.91)
FPF
144
144
144
144
144
120
144
Condenser Data
Minimum GPM w/o Econ
36
36
36
46
46
54
54
Minimum liters / sec. w/o Econ
(2.27)
(2.27)
(2.27)
(2.9)
(2.9)
(3.41)
(3.41)
Minimum GPM w/ Econ
41
41
41
60
60
65
65
Minimum liters / sec. w/ Econ
(2.59)
(2.59)
(2.59)
(3.79)
(3.79)
(4.1)
(4.1)
Maximum GPM
80
80
80
102
102
119
119
Maximum liters / sec.
(5.05)
(5.05)
(5.05)
(6.44)
(6.44)
(7.51)
(7.51)
Evaporator Fan Data
Quantity
1
1
1
1
1
1
1
Size (Dia. - inches)
16.5"
16.5"
16.5"
18.25"
18.25"
20"
20"
Size (Dia. - mm)
(419.1)
(419.1)
(419.1)
(463.6)
(463.6)
(508)
(508)
Minimum HP
5
5
5
5
5
5
5
Minimum kW
(3.73)
(3.73)
(3.73)
(3.73)
(3.73)
(3.73)
(3.73)
Maximum HP
20
20
20
25
25
25
25
Maximum kW
(14.91)
(14.91)
(14.91)
(18.64)
(18.64)
(18.64)
(18.64)
Minimum Design CFM
6325
6325
6500
8700
8700
9100
9880
Minimum Design liter / sec.
(2985)
(2985)
(3068)
(4106)
(4106)
(4295)
(4663)
Maximum Design CFM
8500
9350
10625
12325
13600
14875
16150
Maximum Design liter / sec.
(4012)
(4413)
(5014)
(5817)
(6418)
(7020)
(7622)
General Data
EER
12.9
12.6
13.4
14.1
13.6
13.3
13.4
IPLV
13.6
12.9
13.6
14.5
13.0
12.8
12.4
Refrigerant Charge - lbs. R-22
Circuit A
24
24
24
28
30
24
25
Circuit B
24
24
24
24
25
24
25
Circuit C
-
-
-
-
-
24
25
Refrigerant Charge - kg R-22
Circuit A
(10.9)
(10.9)
(10.9)
(12.7)
(13.6)
(10.9)
(11.3)
Circuit B
(10.9)
(10.9)
(10.9)
(10.9)
(11.3)
(10.9)
(11.3)
Circuit C
-
-
-
-
-
(10.9)
(11.3)
Capacity Steps - %
100/53/0
100/53/0
100/53/0
100/62/39/0
100/59/39/0
100/65/31/0
100/65/30/0
Filter Data
Quantity
8
8
8
8
8
8
8
Size (inches)
20x18x2
20x18x2
20x18x2
20x18x2
20x18x2
20x18x2
20x18x2
Size (mm)
(508 X 457 X 51)
(508 X 457 X 51)
(508 X 457 X 51)
(508 X 457 X 51)
(508 X 457 X 51)
(508 X 457 X 51)
(508 X 457 X 51)
Quantity
4
4
4
4
4
4
4
Size (inches)
20x20x2
20x20x2
20x20x2
20x20x2
20x20x2
20x20x2
20x20x2
Size (mm)
(508 X 508 X 51)
(508 X 508 X 51)
(508 X 508 X 51)
(508 X 508 X 51)
(508 X 508 X 51)
(508 X 508 X 51)
(508 X 508 X 51)
Notes:
1. Compressors are Trane 3D
®
scroll.
2. EER and IPV are rated in accordance to the ARI Standard 340/360-93. Based on 80/67 F (26.7/19.4 C) to the evaporator coil,
nominal airflow and 85-95 F (29.4/35 C) condenser water.
3. All units operate with R-22. Units ships with full operating charge.
4. Maximum cfm limits are set to prevent moisture carryover on the evaporator coil.
5. Minimum cfm limits are set to ensure stable thermal expansion valve operation at low load conditions.
6. Filter sizes are for units without hot water or steam heating coils.
Table GD-2. SCWF/SIWF Refrigerant Circuits,
Number of Compressors by Circuit
Circuit 1
2
3
4
Unit Size
20/22/25 Ton
1- 10T 1- 10T
29/32 Ton
1- 15T 1- 10T
35/38 Ton
1- 10T 1- 10T 1- 10T
42/46 Ton
1- 15T 1- 10T 1- 10T
52/58 Ton
1- 15T 1- 15T 1- 15T
60/72 Ton
1- 15T 1- 15T 1- 15T 1- 10T
80 Ton
1- 15T 1- 15T 1- 15T 1- 15T
Note: This table depicts compressor location in unit, plan
view from left corner.
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