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34

APPENDIX

Table 13—Temperature Sensor Resistance Value Table for T1, T2, T3, T4 (

_

C−−K)

_

C

_

F

K Ohm

°

C

°

F

K Ohm

°

C

°

F

K Ohm

°

C

°

F

K Ohm

-20

-4

115.266

20

68

12.6431

60

140

2.35774

100

212

0.62973

-19

-2

108.146

21

70

12.0561

61

142

2.27249

101

214

0.61148

-18

0

101.517

22

72

11.5

62

144

2.19073

102

216

0.59386

-17

1

96.3423

23

73

10.9731

63

145

2.11241

103

217

0.57683

-16

3

89.5865

24

75

10.4736

64

147

2.03732

104

219

0.56038

-15

5

84.219

25

77

10

65

149

1.96532

105

221

0.54448

-14

7

79.311

26

79

9.55074

66

151

1.89627

106

223

0.52912

-13

9

74.536

27

81

9.12445

67

153

1.83003

107

225

0.51426

-12

10

70.1698

28

82

8.71983

68

154

1.76647

108

226

0.49989

-11

12

66.0898

29

84

8.33566

69

156

1.70547

109

228

0.486

-10

14

62.2756

30

86

7.97078

70

158

1.64691

110

230

0.47256

-9

16

58.7079

31

88

7.62411

71

160

1.59068

111

232

0.45957

-8

18

56.3694

32

90

7.29464

72

162

1.53668

112

234

0.44699

-7

19

52.2438

33

91

6.98142

73

163

1.48481

113

235

0.43482

-6

21

49.3161

34

93

6.68355

74

165

1.43498

114

237

0.42304

-5

23

46.5725

35

95

6.40021

75

167

1.38703

115

239

0.41164

-4

25

44

36

97

6.13059

76

169

1.34105

116

241

0.4006

-3

27

41.5878

37

99

5.87359

77

171

1.29078

117

243

0.38991

-2

28

39.8239

38

100

5.62961

78

172

1.25423

118

244

0.37956

-1

30

37.1988

39

102

5.39689

79

174

1.2133

119

246

0.36954

0

32

35.2024

40

104

5.17519

80

176

1.17393

120

248

0.35982

1

34

33.3269

41

106

4.96392

81

178

1.13604

121

250

0.35042

2

36

31.5635

42

108

4.76253

82

180

1.09958

122

252

0.3413

3

37

29.9058

43

109

4.5705

83

181

1.06448

123

253

0.33246

4

39

28.3459

44

111

4.38736

84

183

1.03069

124

255

0.3239

5

41

26.8778

45

113

4.21263

85

185

0.99815

125

257

0.31559

6

43

25.4954

46

115

4.04589

86

187

0.96681

126

259

0.30754

7

45

24.1932

47

117

3.88673

87

189

0.93662

127

261

0.29974

8

46

22.5662

48

118

3.73476

88

190

0.90753

128

262

0.29216

9

48

21.8094

49

120

3.58962

89

192

0.8795

129

264

0.28482

10

50

20.7184

50

122

3.45097

90

194

0.85248

130

266

0.2777

11

52

19.6891

51

124

3.31847

91

196

0.82643

131

268

0.27078

12

54

18.7177

52

126

3.19183

92

198

0.80132

132

270

0.26408

13

55

17.8005

53

127

3.07075

93

199

0.77709

133

271

0.25757

14

57

16.9341

54

129

2.95896

94

201

0.75373

134

273

0.25125

15

59

16.1156

55

131

2.84421

95

203

0.73119

135

275

0.24512

16

61

15.3418

56

133

2.73823

96

205

0.70944

136

277

0.23916

17

63

14.6181

57

135

2.63682

97

207

0.68844

137

279

0.23338

18

64

13.918

58

136

2.53973

98

208

0.66818

138

280

0.22776

19

66

13.2631

59

138

2.44677

99

210

0.64862

139

282

0.22231

Summary of Contents for DHMSHAQ09XA1

Page 1: ...ER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which...

Page 2: ...L NOT USED INDOOR UNIT DH MS 3 Q DH FAN COIL UNIT MS MODEL VOLTAGE 1 115 1 60 3 208 230 1 60 SYSTEM TYPE Q HEAT PUMP NOMINAL CAPACITY 09 3 4 TON 12 1 TON 18 1 1 2 TONS 24 2 TONS 30 2 1 2 TONS 36 3 TON...

Page 3: ...2 2 3 3 3 Fins per inch 20 20 20 20 20 18 18 18 Circuits 3 3 3 3 4 7 7 7 Indoor Unit Width in mm 32 87 835 32 87 835 32 87 835 32 87 835 38 98 990 46 69 1186 46 69 1186 46 69 1186 Unit Height in mm 11...

Page 4: ...343 13 39 343 13 39 343 Width In mm 32 87 835 32 87 835 32 87 835 32 87 835 38 98 990 46 69 1186 46 69 1186 46 69 1186 Depth In mm 7 80 198 7 80 198 7 80 198 7 80 198 8 58 218 10 16 258 10 16 258 10 1...

Page 5: ...s are line voltage AC power one is communication wiring S and the other is a ground wire Wiring between indoor and outdoor unit is polarity sensitive The use of BX wire is NOT recommended If installed...

Page 6: ...208 230V Notes 1 Do not use thermostat wire for any connection between indoor and outdoor units 2 All connections between indoor and outdoor units must be as shown The connections are sensitive to po...

Page 7: ...09 12 115V Table 6 INDOOR UNIT CONTROL BOARD INPUT or OUTPUT VALUE L_IN Power Voltage AC115V CN11 Power Voltage AC115V CN16 Relative to the N terminal voltage DC 24V CN15 Maximum voltage DC5V CN4 Indo...

Page 8: ...s 09 36 208 230V Table 7 INDOOR UNIT CONTROL BOARD INPUT or OUTPUT VALUE L_IN Power Voltage AC230V CN11 Power Voltage AC230V CN16 Relative to the N terminal voltage DC24V CN15 Maximum voltage DC5V CN4...

Page 9: ...mps REFRIGERANT LINES IMPORTANT Both refrigerant lines must be insulated separately Table 2 lists the pipe sizes for the indoor unit Refer to the outdoor unit installation instructions for other allow...

Page 10: ...Fig 9 Manifold Deep Vacuum Method The deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accuratelymeasuring this vacuum depth The deep...

Page 11: ...hen there is only one malfunctioning temperature sensor the air conditioner keeps working yet displays the error code in case of any emergency use When there is more than one malfunctioning temperatur...

Page 12: ...continues to runs the indoor and outdoor motors stop and the indoor unit defrost lamp illuminates and appears Evaporator Coil Temperature Protection Fig 17 Evaporator Coil Temperature Protection When...

Page 13: ...mpressor delays start up for 1 minute before powering on In other instances the compressor waits three 3 minutes before restarts Refrigerant Leakage Detection With this new technology the display area...

Page 14: ...aying temperature is the actual value 2 The temperature is _C no matter what kind of remote controller is used 3 T1 T2 T3 T4 T2B display range 25 70 TP display range 20 130 4 Frequency display range 0...

Page 15: ...r Electrolytic Capacitors HIGH VOLTAGE CAUTION Fig 19 Electrolytic Capacitors For other models please connect discharge resistance approximately 100 40W or a soldering iron plug between the terminals...

Page 16: ...ge detection H 1 time O F0 Overload current protection H 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit H 3 times O F2 Condenser coil temperature sensor T3 open circu...

Page 17: ...allation mistake PCB faulty Troubleshooting Yes Replace the indoor outdoor main PCB Power off then restart the unit 2 minutes later EEPROM A read only memory whose contents can be erased and reprogram...

Page 18: ...ulty Troubleshooting Measure Vs is it a positive fluctuation Vs represents the voltage S and N of the outdoor unit Red pan S Black pan N Power off then restart the unit 2 minutes later Replace the ind...

Page 19: ...ing normal the voltage moves alternately between 50V to 50V If the outdoor unit has a malfunction the voltage will move alternately with positive value If the indoor unit has malfunction the voltage w...

Page 20: ...receive a zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Supposed causes Connection mistake PCB faulty Troubleshooting Check if the connections and...

Page 21: ...the failure Supposed causes Wiring mistake Fan assembly faulty Fan motor faulty PCB faulty Troubleshooting Power off then restart the unit 2 minutes later Shut off the power supply Rotate the fan by h...

Page 22: ...VOLTAGE 1 Red Vs Vm 140V 190V 2 3 Black GND 0V 4 White Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V 2 Outdoor DC Fan Motor control chip is in the outdoor PCB S Power on the unit and check if t...

Page 23: ...he sampling voltage is lower than 0 06V or higher than 4 94V the LED displays the failure Supposed causes Wiring mistake Sensor faulty PCB faulty Troubleshooting Check the connection between the tempe...

Page 24: ...n for 4 seconds and this situation occurs 3 times the display area displays EC and the air conditioner will turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage...

Page 25: ...uses Power supply problems System blockage PCB faulty Wiring mistake Compressor malfunction Troubleshooting Check the power supply Check the connections and wires Stop the unit No Yes No Correct the c...

Page 26: ...ke IPM malfunction Outdoor fan assembly faulty Compressor malfunction Outdoor PCB faulty Troubleshooting Check the wiring between main the PCB and the compressor Correct the connection or replace the...

Page 27: ...27 DIAGNOSIS AND SOLUTION CONT Fig 27 P U Fig 28 P V...

Page 28: ...28 DIAGNOSIS AND SOLUTION CONT Fig 29 P W Fig 30 N U...

Page 29: ...29 DIAGNOSIS AND SOLUTION CONT Fig 31 N V Fig 32 N W...

Page 30: ...sed causes Power supply problems System leakage or block PCB faulty Troubleshooting Check the power supply Check the connections and wires Stop the unit No Yes No Correct the connections or replace th...

Page 31: ...faulty Troubleshooting Check the air flow system of indoor and outdoor units Clear up the air inlet and outlet or the heat exchanger of indoor and outdoor units Yes No Yes Yes Power off then restart t...

Page 32: ...Wiring mistake IPM malfunction Outdoor fan assembly faulty Compressor malfunction Outdoor PCB faulty Troubleshooting Check the wiring between main PCB and compressor Correct the connection or replace...

Page 33: ...CB measure the resistance value with a tester Fig 34 Tester Temperature sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor dis...

Page 34: ...71 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 359...

Page 35: ...84 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7...

Page 36: ...201 2 125 257 4 39 2 33 91 4 64 147 2 95 203 126 258 8 4 5 40 1 34 93 2 65 149 96 204 8 127 260 6 5 41 35 95 66 150 8 97 206 6 128 262 4 6 42 8 36 96 8 67 152 6 98 208 4 129 264 2 7 44 6 37 98 6 68 1...

Page 37: ...ANCE VALUE Red Black Several M Red Black Several M P N U N U V V W W Red Indoor AC Fan Motor Measure the resistance value of each winding by using the tester Table 17 Resistance Value POSITION RESISTA...

Page 38: ...l 1 Pull the bottom side of the panel and release the clips Then remove the front panel 2 Remove the filter and horizontal louver 3 Remove the four screws 4 Remove the cover one screw 5 Lift the panel...

Page 39: ...2 Pull out the clip toward the left side and open the cover 3 Remove the securing screw and open the box cover 4 Pull out the connectors of the swing motor and the fan motor 5 Remove the securing scr...

Page 40: ...electrical parts sections 1 and 2 remove the pipe holder at the rear side of the unit 2 Remove the two screws on the evaporator at the base bearing side 3 Remove the two screws on the evaporator at t...

Page 41: ...an and motor How to remove the fan and motor 1 After removing the evaporator assembly see sections 1 3 remove the three 3 screws securing the cover 2 Remove the screw securing the motor and then pull...

Page 42: ...BDP D 7310 W Morris St D Indianapolis IN 46231 Edition Date 11 17 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No SG...

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