5703827-XIM-A-0319
26
Johnson Controls Ducted Systems
Table 15: ZM12 physical data - metric units
Component
Models
ZM12
Nominal kW
44
Cooling performance
Ambient conditions
35°C
48°C
52°C
Gross capacity (kWh)
50.32
42.58
39.96
Net capacity (kWh)
48.16
40.42
37.92
EER
11.2
8.13
7.11
Total air flow m
3
/s
2.23
2.23
2.23
System power (KW)
14.67
17.87
19.18
Unit Kw/ton
1.03
1.48
1.69
Refrigerant type
R-410A
Refrigerant charge (kg)
System 1
8.05
System 2
7.82
Dimensions (mm)
Length
3035.3
Width
1498.6
Height
1289.1
Operating weight (kg)
649
Compressors
Type
Scroll
Quantity
1
Unit capacity steps (%)
50/100
Voltage / phase / Hz
380-420 / 3 / 50
Condenser coil data
Face area (mm
2
)
4412893
Rows
2
Fins per inch (25 mm)
15
Tube diameter (mm)
9.525
Circuitry type
Split face
Evaporator coil data
Face area (mm
2
)
1226319.6
Rows
4
Fins per inch
15
Tube diameter (mm)
9.525
Circuitry type
Intertwined
Refrigerant control
TXV
Condenser fan data
Quantity of fans
4
Fan diameter (mm)
610
Type
Prop
Drive type
Direct
Quantity of motors
4
Motor HP each
1/4
Voltage / phase / Hz
380-415 / 1 / 50
No. speeds
1
Rad./s
91
Nominal total m
3
/s
6
Evaporator fan data, belt drive
Airflow option
A
Quantity
1
Fan size (mm)
381 x 381
Type
Centrifugal
Motor sheave
1VP56
Blower sheave
BK90
Belt
BX60
Motor HP each
3.0
Voltage / phase / Hz
380-415 / 3 / 50
Rad./s
154
Frame size
184T
Filters
Quantity - size (mm)
4 - (406 x 508 x 50.8)
1
1.
2 in. Throwaway, Standard, MERV 4 (Minimum Efficiency Reporting Value).
