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689670-BIM-A-0311
ZU-A3 thru -A5 Two Stage Gas Physical Data
Component
Nominal Tonnage
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (MBh)
ARI net capacity (MBh)
EER
SEER
IPLV
Nominal CFM
System power (KW)
Refrigerant type
Refrigerant charge (lb-oz)
System 1
System 2
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./MM)
Circuitry Type
EVAPORATOR COIL DATA
Face area (Sq. Ft.)
Rows
Fins per inch
Tube diameter
Refrigerant control
26
ZU-A3
3.0
37000
36000
11.8
14
-
1200
3.05
R-410A
7-4
-
N06
N08
N11
60
80
120
49
65
97
-
-
81.5
81
81
4
4
6
1
2
2
2
2
2
20-50°F 25-65°F 50-80°F 20-50°F 25-65°F 40-70°F 25-65°F 35-65°F 45-75°F
235°F
200°F
255°F
3/4
3/4
3/4
89
59
42
723
Recip
1
100
11.9
1
23
1/25
2-pass Microchannel
8
3
15
0.375
TXV
Models
ZU-A4
4.0
50000
48000
11.8
14
-
1600
4.07
R-410A
6-14
-
N06
N08
N11
60
80
120
49
65
97
-
-
81.5
81
81
4
4
6
1
2
2
2
2
2
235°F
200°F
255°F
3/4
3/4
3/4
89
59
42
763
Recip
1
100
18.5
1
23
.71/18
2-pass Microchannel
8
3
15
0.375
TXV
Johnson Controls Unitary Products
ZU-A5
5.0
61000
58000
11.8
14
-
2000
4.90
R-410A
7-12
-
N08
N11
N16
80
120
160
65
97
129
-
-
81
81
80.5
4
6
8
2
2
2
2
2
2
200°F
245°F
240°F
3/4
3/4
3/4
89
59
42
864
Recip
1
100
21.1
1
23
.71/18
2-pass Microchannel
10.6
3
15
0.375
TXV
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