1133391-YIM-A-1014
26
Johnson Controls Unitary Products
ZR037-061 Two Stage Gas Heat Physical Data
Component
Models
ZR037
ZR049
ZR061
Nominal Tonnage
3
4
5
AHRI COOLING PERFORMANCE
Gross Capacity @ AHRI A point (Btu)
36500
49000
62000
AHRI net capacity (Btu)
35500
47500
60000
EER
12.2
12.2
12.2
SEER
15
15
14.7
IPLV
-
-
-
CFM
1200
1600
2000
System power (KW)
2.88
3.32
4.83
Refrigerant type
R-410A
R-410A
R-410A
Refrigerant charge (lb-oz)
System 1
12-8
12-0
11-0
System 2
-
-
-
AHRI 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 35-80°F 20-50°F 25-65°F 35-80°F 25-65°F 35-80°F 45-75°F
Gas Limit Setting (ºF)
200°F
235°F
290°F
200°F
235°F
290°F
235°F
290°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.)
867
880
867
COMPRESSORS
Type
Recip
Recip
Recip
Quantity
1
1
1
Unit Capacity Steps (%)
100
100
100
CONDENSER COIL DATA
Face area (Sq. Ft.)
11.9
11.9
11.9
Rows
1
1
1
Fins per inch
23
23
23
Tube diameter (in./MM)
.98/25
.98/25
.71/18 - .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
3
4
Fins per inch
15
15
12
Tube diameter
0.375
0.375
0.375
Refrigerant control
TXV
TXV
TXV
REHEAT COIL DATA
Face area (Sq. Ft.)
7.78
7.78
7.78
Rows
2
2
2
Fins per inch
15
15
15
Tube diameter
0.375
0.375
0.375
Refrigerant control
Solenoid
Solenoid
Solenoid
