Cool Operation; Heat Operation - Mitsubishi Electric MUZ-GB50VA Service Manual

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.)
MUZ-GB50VA
(kgf/ [Gauge])
(MPa [Gauge])
1.0
10
0.9
9
0.8
8
0.7
7
0.6
6
0.5
5
15 18 20 25
50 60
Ambient temperature(°C)
Ambient humidity(%)
NOTE: The unit of pressure has been changed to MPa based on the international system of units (SI unit system).
The conversion factor is: 1 (MPa [Gauge] = 10.2 (Kgf/cm

HEAT operation

Condition :
Dry bulb temperature (°C)
Wet bulb temperature (°C) 14.5
Operation : TEST RUN OPERATION (Refer to 8-3.)
8
7
6
5
4
0 2 5 10
Ambient temperature(°C)
8
7
6
5
4
30 32 35(°C) 15 18 20 25
70 (%) 50 60
Ambient temperature(°C)
Ambient humidity(%)
Indoor
20.0
15 20 25
Dry-bulb temperature (°C)
30 32 35(°C)
70 (%)
[Gauge])
2
Outdoor
2 7 15 20.0
1 6 12 14.5
13
Relative humidity (%)
20
25
30
50
60
70