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Table 8: ZW-15 thru -25 Physical Data
Component
Nominal Tonnage
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (Btu)
ARI net capacity (Btu)
EER
SEER
IPLV
Nominal CFM
System power (KW)
Refrigerant type
Refrigerant charge (lb-oz)
System 1
System 2
System 3
System 4
ARI HEATING PERFORMANCE
Heating model
Heat input (K Btu)
Heat output (K Btu)
AFUE %
Steady state efficiency (%)
No. burners
No. stages
Temperature Rise Range (ºF)
Gas Limit Setting (ºF)
Gas piping connection (in.)
DIMENSIONS (inches)
Length
Width
Height
OPERATING WT. (lbs.)
COMPRESSORS
Type
Quantity
Unit Capacity Steps (%)
CONDENSER COIL DATA
Face area (Sq. Ft.)
Rows
Fins per inch
Tube diameter (in.)
Circuitry Type
EVAPORATOR COIL DATA
Face area (Sq. Ft.)
Rows
Fins per inch
Tube diameter
Circuitry Type
Refrigerant control
CONDENSER FAN DATA
Quantity
Fan diameter (Inch)
20
ZW-15
ZW-18
15
17.5
183500
213700
178500
206000
12.4
12.1
-
-
13.9
13.2
6000
7000
14.40
17.10
R-410A
R-410a
12-8
12-8
12-8
13-8
12-8
12-8
12-8
12-8
24
32
24
300
400
300
240
320
240
-
-
-
80
80
80
6
8
6
2
2
2
20-50
30-60
20-50
195
195
195
1
1
1
92
92
66-1/2
66-1/2
45-7/8
45-7/8
2609
2665
Scroll
Scroll
4
4
25 / 50 / 75 / 100
25 / 50 / 75 / 100
63.8
63.8
2
2
20
20
3/8
3/8
Split-face
Split-face
25
25
4
4
13.5
13.5
0.375
0.375
Split-face
Split-face
TXV
TXV
4
4
24
24
Models
ZW-20
20
242000
235000
11.6
-
12.9
8000
20.10
R-410a
12-0
12-0
12-0
12-0
32
24
32
400
300
400
320
240
320
-
-
-
80
80
80
8
6
8
2
2
2
30-60
20-50
30-60
195
195
195
1
1
1
92
66-1/2
45-7/8
2697
Scroll
4
25 / 50 / 75 / 100
63.8
2
20
3/8
Split-face
25
4
13.5
0.375
Split-face
TXV
4
30
178113-BIM-D-0906
ZW-25
25
312000
295000
10.4
-
10.6
10000
28.50
R-410a
12-8
13-8
13-0
12-8
24
32
300
400
240
320
-
-
80
80
6
8
2
2
20-50
30-60
195
195
1
1
92
66-1/2
45-7/8
2783
Scroll
4
25 / 50 / 75 / 100
63.8
2
20
3/8
Split-face
25
4
13.5
0.375
Split-face
TXV
4
30
Unitary Products Group
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