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
(kgf/cm 2 [Gauge]) (MPa [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
57 Hz (KA25VA(H))
0.6
6
56.5 Hz (KA25VA(H)R1)
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
3.5
3.0
2.5
2.0
57 Hz (KA25VA(H))
56.5 Hz (KA25VA(H)R1)
1.5
15 18 20 25
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
3.0
2.5
2.0
1.5
2 5
Ambient temperature (°C)
56.5 Hz (SUZ-KA25VA(H)R1.TH)
77 Hz (SUZ-KA35VA(H).TH)
75 Hz (SUZ-KA35VA(H)R1.TH)
75 Hz (SUZ-KA50VA( ).TH)
1
76 Hz (SUZ-KA50VAR2.TH)
SUZ-KA35VA(H).TH
SUZ-KA35VA(H)R1.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
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
20
25
30
(MPa [Gauge])
77 Hz (KA35VA(H))
75 Hz (KA35VA(H)R1)
18 20 25 30 32 35(°C)
50 60 70 (%)
77 Hz (KA35VA(H))
75 Hz (KA35VA(H)R1)
18 32
20 25 30 35(°C)
50 60 70 (%)
SUZ-KA35VA(H).TH
SUZ-KA35VA(H)R1.TH
58 Hz
2 5 10 15 20 25(°C)
Ambient temperature (°C)
13
Relative humidity (%)
50
60
70
SUZ-KA50VA(
SUZ-KA50VAR2.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)
0.4
4
2
0.2
15 18 20 25
50 60
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA50VA(
SUZ-KA50VAR2.TH
7.0
6.5
6.0
5.5
5.0
75 Hz (KA50VA
76 Hz (KA50VAR2)
4.5
15 18 20 25
50 60
Ambient temperature (°C) Ambient humidity (%)
SUZ-KA50VA( ).TH
1
SUZ-KA50VAR2.TH
6.0
58 Hz
5.5
5.0
4.5
2 5 10 15 20 25(°C)
Ambient temperature (°C)
).TH
1
)
(1)
30 32 35(°C)
70 (%)
).TH
1
)
(1)
30 32 35(°C)
70 (%)