Heat Operation - Mitsubishi Electric SUZ-KA25VA 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 Operation: TEST RUN OPERATION
SUZ-KA25VA(H)
(kgf/ [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 20 25
18
50 60
Ambient temperature(°C) Ambient humidity(%)
SUZ-KA25VA(H)
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)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2 5 10 15
Ambient temperature(°C)
SUZ-KA35VA(H)
(kgf/ [Gauge])
1.4
14
1.2
12
1.0
10
0.8
8
0.6
6
0.4
4
2
0.2
30 35(°C) 15
32
70 (%)
Ambient temperature(°C) Ambient humidity(%)
SUZ-KA35VA(H)
5
4.5
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
3.0
2.5
2.0
1.5
1.0
20 25( )
Dry-bulb temperature
20
25
30
(MPa [Gauge])
20 25 30 35(°C)
18 32
50 60 70 (%)
18 20 25 30 32 35(°C)
50 60 70 (%)
SUZ-KA35VA(H)
2 5 10 15 20 25( )
Ambient temperature(°C)
32
Relative humidity(%)
50
60
70
SUZ-KA50VA
(kgf/ [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 20 25 30
18
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
7.0
6.0
5.0
4.0
3.0
2.0
1.0
2 5 10 15 20
Ambient temperature(°C)
35(°C)
32
(%)
32 35(°C)
(%)
25( )