Cooling Operation; Heating Operation - Mitsubishi Electric MFZ-KA25VA Service Manual

OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT

COOLING operation

Both indoor and outdoor unit are under the
same temperature/humidity condition.
Air flow: High speed
Operational frequency : 57 Hz (SUZ-KA25VA(H).TH)
SUZ-KA25VA(H).TH
SUZ-KA25VA(H)R1.TH
SUZ-KA25VA2.TH
(kgf/cm 2 [Gauge]) (MPa [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
57 Hz (KA25VA(H).TH)
0.6
6
56.5 Hz (KA25VA(H)R1.TH,
KA25VA2.TH)
0.4
4
2
0.2
15 18 20 25
50 60
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA25VA(H).TH
SUZ-KA25VA(H)R1.TH
SUZ-KA25VA2.TH
3.5
3.0
2.5
2.0
57 Hz (KA25VA(H).TH)
56.5 Hz (KA25VA(H)R1.TH,
KA25VA2.TH)
1.5
15 20 25
18
50 60
Ambient temperature (°C) Ambient humidity (%)

HEATING operation

Condition indoor: Dry bulb temperature 20.0 °C
Condition outdoor: Dry bulb temperature 2,7,15,20.0 °C
SUZ-KA25VA(H).TH
SUZ-KA25VA(H)R1.TH
SUZ-KA25VA2.TH
3.0
2.5
2.0
1.5
2 5
Ambient temperature (°C)
OB409E
56.5 Hz (SUZ-KA25VA(H)R1.TH, KA25VA2.TH)
77 Hz (SUZ-KA35VA(H).TH)
75 Hz (SUZ-KA35VA(H)R1.TH, KA35VA2.TH)
75 Hz (SUZ-KA50VA( ).TH)
1
76 Hz (SUZ-KA50VAR2.TH, KA50VA2.TH)
SUZ-KA35VA(H).TH
SUZ-KA35VA(H)R1.TH
SUZ-KA35VA2.TH
(kgf/cm 2 [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
0.6
6
0.4
4
2
0.2
30 32 35(°C) 15
70 (%)
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA35VA(H).TH
SUZ-KA35VA(H)R1.TH
SUZ-KA35VA2.TH
5.0
4.5
4.0
3.5
3.0
30 32 35(°C) 15
70 (%)
Ambient temperature (°C) Ambient humidity (%)
Wet bulb temperature 14.5 °C
Wet bulb temperature 1,6,12,14.5 °C
4.5
58 Hz
4.0
3.5
3.0
10 15 20 25(°C)
Dry-bulb temperature
(MPa [Gauge])
77 Hz (KA35VA(H).TH)
75 Hz (KA35VA(H)R1.TH,
KA35VA2.TH)
18 20 25 30 32 35(°C)
50 60 70 (%)
77 Hz (KA35VA(H).TH)
75 Hz (KA35VA(H)R1.TH,
KA35VA2.TH)
18 20 25 30 32 35(°C)
50 60 70 (%)
SUZ-KA35VA(H).TH
SUZ-KA35VA(H)R1.TH
SUZ-KA35VA2.TH
58 Hz
2 5 10 15 20 25(°C)
Ambient temperature (°C)
15
Relative humidity (%)
20
25
30
SUZ-KA50VA(
SUZ-KA50VAR2.TH
SUZ-KA50VA2.TH
(kgf/cm 2 [Gauge]) (MPa [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
75 Hz (KA50VA
0.6
6
76 Hz (KA50VAR2.TH,
KA50VA2.TH)
0.4
4
2
0.2
15 18 20 25
50 60
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA50VA(
SUZ-KA50VAR2.TH
SUZ-KA50VA2.TH
7.0
6.5
6.0
5.5
75 Hz (KA50VA
5.0
76 Hz (KA50VAR2.TH,
KA50VA2.TH)
4.5
15 18 20 25
50 60
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA50VA( ).TH
1
SUZ-KA50VAR2.TH
SUZ-KA50VA2.TH
6.0
58 Hz
5.5
5.0
4.5
2 5 10 15 20 25(°C)
Ambient temperature (°C)
50
60
70
).TH
1
.TH)
(1)
30 32 35(°C)
70 (%)
).TH
1
.TH)
(1)
30 32 35(°C)
70 (%)