Mitsubishi Electric MXZ-18NV Service Manual page 29

9.4.4. 18-class unit in single operation
NOTO:The unit of pressure has been changed to MPa on the international system of units(SI unit system).
The converted score against the traditional unit system can be gotten according to the formula below.
(1) COOL operation
Both indoor and outdoor units are under the same
temperature/humidity condition.
Dry-bulb temperature(°C)
20
25
30
Air flow speed : HI
Inverter output frequency : 58Hz
(MPa•G)
(kgf/F• G)
0.8
8
0.7
7
0.6
6
0.5
5
0.4
4
0.3
3
18 20
(2) HEAT operation
Indoor
DB(°C) 20.0
WB(°C) 14.5
Set air flow to Hi speed.
Inverter output frequency is 58Hz.
1(MPa • G) =10.2(kgf/f f • G)
Relative humidity(%)
50
60
70
58Hz
25 30 32(
50 60 70
Ambient temperature(
/ Ambient humidily(%)
Outdoor
DB(°C)
WB(°C)
<How to work fixed-frequency operation>
1.Set emergency switch to COOL or HEAT.The switch is located
on indoor unit.
2.Press emergency run ON/OFF button.
3.Compressor starts running at 58Hz (COOL) or 40Hz (HEAT).
4.Indoor fan runs at HI speed.
5.To cancel this operation,press emergency run ON/OFF button
or any button on remote controller.
11
10
9
8
7
6
o
C) 18 20
(%) 50
o
C)
2 7 15 20.0
1 6 12 14.5
9
8
7
6
5
2 5
Ambient temperature(
58Hz
25 30 32(
60 70
o
Ambient temperature(
/ Ambient humidily(%)
40Hz
10 15
o
C)
o
C)
(%)
C)
20
29