Zj037-061 two stage gas heat physical data – York PREDATOR R-410A User Manual
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528150-YTG-C-1109
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Johnson Controls Unitary Products
ZJ037-061 Two Stage Gas Heat Physical Data
Component
Models
ZJ037
ZJ049
ZJ061
Nominal Tonnage
3.0
4.0
5.0
ARI COOLING PERFORMANCE
Gross Capacity @ ARI A point (MBh)
37000
50000
62000
ARI net capacity (MBh)
36000
48000
60000
EER
12.2
12.2
12.2
SEER
15
15
15
IPLV
-
-
-
Nominal CFM
1300
1600
2000
System power (KW)
2.95
3.95
4.90
Refrigerant type
R-410A
R-410A
R-410A
Refrigerant charge (lb-oz)
System 1
6-12
8-8
8-4
System 2
-
-
-
ARI HEATING PERFORMANCE
Heating model
N05
N07
N09
N05
N07
N09
N07
N09
N13
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 40-70°F 25-65°F 35-65°F 45-75°F
Gas Limit Setting (ºF)
235°F
200°F
255°F
235°F
200°F
255°F
200°F
245°F
240°F
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.)
740
762
770
COMPRESSORS
Type
Recip
Recip
Recip
Quantity
1
1
1
Unit Capacity Steps (%)
100
100
100
CONDENSER COIL DATA
Face area (Sq. Ft.)
18.5
18.5
23.8
Rows
1
1
1
Fins per inch
23
23
23
Tube diameter (in./MM)
.71/18
.71/18
.71/18
Circuitry Type
2-pass Microchannel
2-pass Microchannel
2-pass Microchannel
EVAPORATOR COIL DATA
Face area (Sq. Ft.)
7.9
10.5
10.5
Rows
3
3
3
Fins per inch
15
15
15
Tube diameter
0.375
0.375
0.375
Refrigerant control
TXV
TXV
TXV