71-Class Unit In Single Operation; Test Run Operation; Outdoor Low Pressure And Outdoor Unit Current - Mitsubishi Electric MXZ-2A40VA Service Manual

6. 71-class unit in single operation

<COOL>Capacity
1.5
1.0
0.5
0 50 100
Frequency
10-3. Test run operation (How to operate fixed-frequency operation)
1. Press EMERGENCY OPERATION switch to COOL or HEAT mode (COOL : Press once, HEAT : Press twice).
2. Test run operation starts and continues to operate for 30 minutes.
3. Compressor operates at rated frequency.
4. Indoor fan operates at High speed.
5. After 30 minutes, test run operation finishes and EMERGENCY OPERATION starts (Operation frequency of compressor
varies).
6. To cancel test run operation (EMERGENCY OPERATION), press EMERGENCY OPERATION switch or any button on
remote controller.
10-4. Outdoor low pressure and outdoor unit current (single operation)
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/f
(1) COOL operation
1 Both indoor and outdoor unit are under the
same temperature/humidity condition.
2 Operation : TEST RUN OPERATION (refer to 10-3.)
MXZ-2A40VA MXZ-2A52VA
22-class unit
(kgf/F[Gauge]) (MPa[Gauge])
1.4
14
30Hz
1.3
13
1.2
12
1.1
11
1.0
10
9 0.9
8
0.8
7
0.7
15
17 25
50 60
Ambient temperature(:)
Ambient humidity(%)
35-class unit
(kgf/F[Gauge]) (MPa[Gauge])
1.4
14
30Hz
1.3
13
1.2
12
1.1
11
1.0
10
9 0.9
8
0.8
7
0.7
15 17 25
50 60
Ambient temperature(:)
Ambient humidity(%)
<COOL>Total input
1.5
1.0
0.5
150 0 50 100
Hz
Frequency
4
3
2
1
32 35 (:) 15
17 25
70 (%)
50 60
Ambient temperature(:)
Ambient humidity(%)
4
3
2
1
(:)
32 35 15 17 25
70 (%)
50 60
Ambient temperature(:)
Ambient humidity(%)
<HEAT>Capacity
1.5
1.0
0.5
150 0 50
Hz
Frequency
f [Gauge])
Dry-bulb temperature(:)
25-class unit
(kgf/F[Gauge]) (MPa[Gauge])
1.4
14
1.3
13
1.2
12
30Hz
1.1
11
1.0
10
9 0.9
8
0.8
7
0.7
32 35 (:)
15
70 (%)
Ambient temperature(:)
Ambient humidity(%)
30Hz
(:)
32 35
70 (%)
46
<HEAT>Total input
1.5
1.0
0.5
100 150 Hz 0
Relative humidity(%)
20
25
30
4
30Hz
3
2
1
32 35 (:) 15
17 25
70 (%)
50 60
Ambient temperature(:)
Ambient humidity(%)
50 100 150 Hz
Frequency
50
60
70
30Hz
32 35 (:)
17 25
70 (%)
50 60