Mitsubishi Electronics MSY-ANA, MS-AWA, MUZ-ANA, MUY-ANA, MU-AWA, MSZ-ANA, MXZ-ANA manual Cool DRY Heat

Page 25

<Correction>

 

COOL

DRY

HEAT

1 Discharge temperature

w 2

w 2

2Each correction

• (Each gas pipe temperature thermistor - Minimum gas pipe temperature thermistor)w 1

-

• (Main indoor coil thermistor - Sub indoor coil thermistor)

w 1

Perform this, when number of operation units is 2 units or more.

 

 

 

w 2

Correct the LEV opening by discharge temperature.

 

 

 

(1)LEV opening correction by discharge temperature

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

MXZ-2A

 

 

 

Target discharge temperature (˚F)

 

 

 

 

 

 

 

 

 

Operation frequency

 

COOL

 

HEAT

of compressor (Hz)

Number of operating unit

Number of operating unit

 

1 unit

 

2 units

1 unit

 

2 units

Minimum ~ 23

95

 

136.4

122

 

122

24 ~ 38

104

 

140

132.8

 

122

39 ~ 54

120.2

 

149

140

 

132.8

55 ~ 69

136.4

 

154.4

140

 

140

70 ~ 85

149

 

158

140

 

140

86 ~ Maximum

158

 

158

140

 

140

MXZ-3A

 

 

 

Target discharge temperature (˚F)

 

 

Operation frequency

 

COOL

 

 

 

 

HEAT

 

of compressor (Hz)

Number of operating unit

Number of operating unit

 

 

 

 

 

 

 

 

 

 

1 unit

2 units

 

3 units

1 unit

 

2 unit

3 units

Minimum ~ 14

95

131

 

134.6

125.6

 

143.6

122

15 ~ 23

104

131

 

134.6

136.4

 

150.8

131

24 ~ 32

120.2

136.4

 

145.4

149

 

165.2

140

33 ~ 41

136.4

140

 

149

154.4

 

172.4

152.6

42 ~ 50

149

149

 

158

154.4

 

172.4

161.6

51 ~ 59

154.4

154.4

 

163.4

154.4

 

172.4

168.8

60 ~ 68

158

158

 

167

154.4

 

172.4

168.8

69 ~ 77

167

163.4

 

176

154.4

 

172.4

168.8

78 ~ 86

167

167

 

179.6

154.4

 

172.4

168.8

87 ~ Maximum

167

176

 

179.6

172.4

 

172.4

168.8

25

Image 25
Contents Service Technical Guide Operational Frequency Control of Outdoor UNIT······16 Discharge Temperature Protection Control ·····BACKIndoor unit models Outdoor unit models Indoor unit modelsOperation Operation chart ExampleONThermostat control Indoor fan speed controlOperation time chart Example When the room temperature is under 73FOFF Onon Indoor fanHorizontal vane Auto Vane OperationLow outside temperature operation Coil frost prevention Temperature controlDifference between room Low outside temperature operation is as same as Cool mode Coil frost prevention is as same as Cool modeOperation MSZ MSZ-A09/12/15/17 Cold air prevention controlOverload starting DefrostingMode selection Auto Change Over ···AUTO Mode Operation MSZCool Outdoor FAN Motor ControlHeat MUZ Horizontal blow time Function of main parts Inverter System ControlAt normal operation Intelligent power module Outline of simple partial switching methodMUZ-A24 MUY-A24 Inverter main power supply circuit Purpose of PAM adoptionPower factor improvement PFC Power Factor ControllerPower transistor module Control Method of Rotation Times Sine wave controlCool Heatmuz DRY Operational Frequency Control of Outdoor UnitHeat Mode MUZ Cool · DRY ModeExpansion Valve Control LEV Control LEV is fixed to standard opening degree according to operaMUZ-A09/12/15/17/24 MUY-A15/17/24 Time chartDegree LEV130/100 190/130 240/170 260/210 260/230 MXZ Microprocessor Control Power factor improvement With discharge temperature was added to basic opening. w1 Temperature is included in standard opening. w1Opening before stop 500 pulse in 15 minutes Cool 5 pulse full closedMXZ-2A HeatCool Heat MXZ-3AMXZ-3A MXZ-2ACool DRY Heat More than Target discharge temperature+18 Discharge temperature ˚F Correction pulseMore than Target discharge temperature+21.6 Superheat LEV openingOperational Frequency Range Heat Defrosting Control Discharge Temperature Protection ControlOutdoor FAN Control 40Hz
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MUY-ANA, MSY-ANA, MS-AWA, MUZ-ANA, MXZ-ANA specifications

Mitsubishi Electronics has long been a leader in the HVAC (heating, ventilation, and air conditioning) industry, consistently delivering cutting-edge technology and innovative solutions. The MUZ-ANA, MUZ-ANA - U, MU-AWA, MUZ-FDNA, and MS-AWA models exemplify the company's commitment to efficiency, comfort, and advanced engineering.

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