Mitsubishi Electric MUZ-FH35VEHZ Service Manual page 19

8-4. OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
COOL operation
Both indoor and outdoor unit are under the same temperature/
humidity condition.
Operation: TEST RUN OPERATION (Refer to 8-3.)
Outdoor low pressure
MUZ-FH25VEHZ-
(kgf/cm [Gauge])(MPa [Gauge])
2
0.9
9
0.8
8
0.7
7
0.6
6
0.5
5
0.4
4
15 20
50
Ambient temperature(°C)
Ambient humidity(%)
MUZ-FH35VEHZ
(kgf/cm [Gauge])(MPa [Gauge])
2
0.8
7
0.7
6
0.6
5
0.5
4
0.4
3
15 20
50
Ambient temperature(°C)
Ambient humidity(%)
NOTE:
The unit of pressure has been changed to MPa on the international system of units (SI unit system)
The conversion factor is: 1 (MPa [Gauge]) = 10.2 (kgf/cm
Outdoor unit current
MUZ-FH25VEHZ-
3.0
2.5
2.0
1.5
15 20
50
Ambient temperature (°C)
Ambient humidity(%)
MUZ-FH35VEHZ
4.5
4.0
3.5
3.0
2.5
15 20
50
Ambient temperature (°C)
Ambient humidity(%)
OBH625G
,
, ,
E1 E4 ER1
,
,
(kgf/cm
ER4 ET1 ET2
25 30 35
60 70
(kgf/cm
25 30 35
60 70
, , , , ,
E1 E4 ER1 ER4 ET1 ET2
25 30 35
60 70
25 30 35
60 70
Dry-bulb temperature (°C)
MUZ-FH25VEHZ-
[Gauge])(MPa [Gauge])
2
0.9
9
0.8
8
0.7
7
0.6
6
0.5
5
0.4
4
15 20 25
50 60
Ambient temperature(°C)
Ambient humidity(%)
MUZ-FH50VEHZ
[Gauge])(MPa [Gauge])
2
0.8
8
0.7
7
0.6
6
0.5
5
0.4
4
0.3
3
15 20 25
50 60
Ambient temperature(°C)
Ambient humidity(%)
2 [Gauge])
MUZ-FH25VEHZ-
E3
3.0
2.5
2.0
1.5
15 20 25
50 60
Ambient temperature (°C)
Ambient humidity(%)
MUZ-FH50VEHZ
8
7
6
5
4
3
15 20 25
50 60
Ambient temperature (°C)
Ambient humidity(%)
19
Relative humidity (%)
20 50
25 60
30 70
,
E3 ER3
30 35
70
30 35
70
,
ER3
30 35
70
30 35
70