MITSUBISHI ELECTRIC MXZ-24UV User Manual

Page 21

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21

11-2.Operational frequency range

(3) LEV opening correction by discharge temperature

When LEV correction output is 0 pulse by the suction super heat at cool or dry operation, or dry operating, correct LEV is cor-
rected according to the following table.

The target discharge temperature is determined according to frequency zone and number of operation unit of the
compressor.

Correct the LEV opening according to difference between the target discharge temperature and discharge temperature.

Min.

Max. Rated

Min.

Max. Rated

Note: When the fan speed of indoor unit is totally
Lo notch, restrict the maximum frequency is
restricted in 6/7 of the rated frequency.

DRY COOL

COOL

DRY

HEAT

Number of

operating

unit

1
2
3
4
2
3
4
5
6
7
8
3
4
5
6
7
8
9

18

20

30

40
52
68
85

80

105

110

115

32
40
46
73

70

80

90

71

18

22

26

62
70
80
86

95

105

115

120

36
49
65
80

80

88

100

102

1

2

3

25

40

58

1
2
1
1
2
3

1
2
2
3
1
1

8/10 of maximum frequency

9/10 of maximum frequency

7/10 of maximum frequency

Maximum frequency

capacity

cord

OB287--1.qxp 03.1.16 10:29 AM Page 21

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