5370597-JIM-D-1019
24
Johnson Controls Ducted Systems
Table 10: Physical Data
JA3 thru JA5ZT
Component
Models
JA3ZT
JA4ZT
JA5ZT
Nominal Tonnage
3.0
4.0
5.0
AHRI COOLING PERFORMANCE
Gross Capacity @ AHRI A point (MBh)
38000
51200
61600
AHRI net capacity (MBh)
37000
50000
60000
EER
13.05
14.0
13.00
SEER (208/230 & 460V)
17.0
17.5
16.3
SEER (575V)
15.95
17.5
16.3
Nominal CFM
1300
1600
1550
System power (KW)
2.82
3.57
4.62
Refrigerant type
R-410A
R-410A
R-410A
Refrigerant charge (lb-oz)
System 1 (208/230 & 460V)
10-5
13-2
12-7
System 1 (575V)
9-12
13-2
12-7
AHRI HEATING PERFORMANCE
Heating model
N06
N08
N12
N06
N08
N12
N08
N12
N16
Heat input (K Btu)
60
80
120
60
80
120
80
120
160
Heat output (K Btu)
49
65
97
49
65
97
65
97
129
AFUE %
-
-
-
-
-
-
Steady state efficiency (%)
81.5
81
81
81.5
81
81
81
81
80.5
No. burners
4
4
6
4
4
6
4
6
8
No. stages
2
1
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
Temperature Rise Range (ºF)
20-50°F 25-65°F 50-80°F 20-50°F 25-65°F 50-80°F 25-65°F 35-65°F 45-75°F
Gas Limit Setting (ºF)
235
200
255
235
200
255
200
245
240
Gas piping connection (in.)
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
3/4
DIMENSIONS (inches)
Length
89
89
89
Width
59
59
59
Height
42
42
42
OPERATING WT. (lbs.)
922
960
968
COMPRESSORS
3
Type
2-stage scroll
2-stage scroll
2-stage scroll
Quantity
1
1
1
Unit Capacity Steps (%)
67/100
67/100
67/100
CONDENSER COIL DATA
Face area (Sq. Ft.)
12.2
12.2
12.2
Rows
1
1
1
Fins per inch
23
23
23
Tube diameter (in./MM)
.98/25
.98/25
.98/25
Circuitry Type
2-pass Microchannel
2-pass Microchannel
2-pass Microchannel
EVAPORATOR COIL DATA
Face area (Sq. Ft.)
10.56
10.56
10.56
Rows
3
4
4
Fins per inch
15
15
15
Tube diameter
0.375
0.375
0.375
Refrigerant control
TXV
TXV
TXV
