MXZ-3A30NA- 1

MXZ-4A36NA

 

 

 

Target discharge temperature (°F)

 

 

 

Operation frequency

 

COOL

 

 

 

HEAT

 

 

 

 

Number of operating unit

 

 

 

 

of compressor (Hz)

 

 

 

 

 

 

 

 

1 unit

2 units

3 units

4 units

1 unit

2 unit

 

3 units

4 units

 

(MXZ-4A36)

 

(MXZ-4A36)

 

 

 

 

 

 

 

 

Minimum ~ 14

95

131

134.6

140

125.6

143.6

 

122

122

15 ~ 23

107.6

131

134.6

140

136.4

150.8

 

131

122

24 ~ 32

120.2

136.4

145.4

140

149

165.2

 

140

122

33 ~ 41

136.4

140

149

143.6

154.4

172.4

 

152.6

122

42 ~ 50

149

149

158

149

154.4

172.4

 

161.6

131

51 ~ 59

154.4

154.4

163.4

158

154.4

172.4

 

168.8

140

60 ~ 68

158

158

167

158

154.4

172.4

 

168.8

140

69 ~ 77

167

163.4

176

161.6

154.4

172.4

 

168.8

140

78 ~ 86

167

167

179.6

161.6

154.4

172.4

 

168.8

140

87 ~ Maximum

167

176

179.6

161.6

172.4

172.4

 

168.8

140

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

MXZ-2A

Discharge temperature (°F)

LEV opening correction (pulse)

COOL

HEAT

 

More than Target discharge temperature+18

5

8

Target discharge temperature + 18 to Target discharge temperature + 9

4

3

Target discharge temperature + 9 to Target discharge temperature + 3.6

2

1

Target discharge temperature + 3.6 to Target discharge temperature - 3.6

0

0

Target discharge temperature - 3.6 to Target discharge temperature - 9

-1

-1

Target discharge temperature - 9 to Target discharge temperature - 18

-3

-2

Target discharge temperature - 18 or less

-4

-3

MXZ-3A MXZ-4A

 

 

Discharge temperature (°F)

LEV opening correction (pulse)

COOL

HEAT

 

More than Target discharge temperature + 21.6

4

6

Target discharge temperature + 21.6 to Target discharge temperature + 9

2

2

Target discharge temperature + 9 to Target discharge temperature + 5.4

1

1

Target discharge temperature + 5.4 to Target discharge temperature - 5.4

0

0

Target discharge temperature - 5.4 to Target discharge temperature - 9

-1

-1

Target discharge temperature - 9 to Target discharge temperature - 21.6

-3

-2

Target discharge temperature - 21.6 or less

-8

-8

(2)Separate correction (COOL,DRY) (Correction by the separate super heat)

a)Correct the LEV separately by temperature difference between each gas pipe temperature and the minimum gas pipe temperature of all.

Calculate each super heat of the unit from the expression below;

(Super heat) = (Each gas pipe temperature) - (Minimum gas pipe temperature) Separate correction is performed according to each super heat in the table below.

MXZ-2A20NA

Superheat

LEV opening

correction (pulse)

 

more than 16.2

3

10.8 to 16.2

2

5.4 to 10.8

1

5.4 or less

0

MXZ-3A30NA

Superheat

LEV opening

correction (pulse)

 

more than 16.2

12

10.8 to 16.2

8

5.4 to 10.8

4

5.4 or less

0

28

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Mitsubishi Electronics MUZ-FDNA - U, MS-AWA, MUZ-ANA - U, MUY-ANA, MU-AWA, MSY-ANA manual MXZ-2A20NA, MXZ-3A30NA, MXZ-3A MXZ-4A

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