Heat Operation - Mitsubishi Electric SUZ-KA25VA Technical & Service Manual

OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
COOL operation
1 Both indoor and outdoor unit are under the
same temperature/humidity condition.
2 Air flow : High speed
3 Operational frequency : 58Hz(SUZ-KA25VA(H).TH)
SUZ-KA25VA(H).TH
(kgf/F [Gauge]) (MPa [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
0.6
6
0.4
4
2
0.2
15 18 20 25
50 60
Ambient temperature(˚C) Ambient humidity(%)
SUZ-KA25VA(H).TH
4
3.5
3
2.5
2
15 18 20 25
50 60
Ambient temperature(˚C) Ambient humidity(%)

HEAT operation

Condition indoor: Dry bulb temperature 20.0°C
Condition outdoor: Dry bulb temperature 2,7,15,20.0°C
SUZ-KA25VA(H).TH
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2 5 10 15
Ambient temperature(˚C)
73Hz(SUZ-KA35VA(H).TH)
75Hz(SUZ-KA50VA .TH)
(1)
SUZ-KA35VA(H).TH
(kgf/F [Gauge])
1.4
14
1.2
12
58Hz
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
5
4.5
58Hz
4
3.5
3
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
4.0
3.5
58Hz
3.0
2.5
2.0
1.5
1.0
20 25(:)
2
Dry-bulb temperature
20
25
30
(MPa [Gauge])
73Hz
18 20 25 30 32 35(˚C)
50 60 70 (%)
73Hz
18 20 25 30 32 35(˚C)
50 60 70 (%)
SUZ-KA35VA(H).TH
58Hz
5 10 15 20 25(:)
Ambient temperature(˚C)
25
Relative humidity(%)
50
60
70
SUZ-KA50VA
(1)
(kgf/F [Gauge])
(MPa [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
0.6
6
0.4
4
2
0.2
15 18 20 25 30
50 60 70
Ambient temperature(˚C) Ambient humidity(%)
SUZ-KA50VA
9.0
8.0
7.0
6.0
5.0
15 18 20 25 30
50 60 70
Ambient temperature(˚C) Ambient humidity(%)
SUZ-KA50VA
(1)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2 5 10 15
Ambient temperature(˚C)
.TH
75Hz
32 35(˚C)
(%)
.TH
(1)
75Hz
32 35(˚C)
(%)
.TH
58Hz
20 25(:)