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53

Appendix

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

--K) 

℃ 

℉ 

K Ohm 

℃ 

℉ 

K Ohm 

℃ 

℉ 

K Ohm 

℃ 

℉ 

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 

101.517 

22 

72 

11.5 

62 

144 

2.19073 

102 

216 

0.59386 

-17 

96.3423 

23 

73 

10.9731 

63 

145 

2.11241 

103 

217 

0.57683 

-16 

89.5865 

24 

75 

10.4736 

64 

147 

2.03732 

104 

219 

0.56038 

-15 

84.219 

25 

77 

10 

65 

149 

1.96532 

105 

221 

0.54448 

-14 

79.311 

26 

79 

9.55074 

66 

151 

1.89627 

106 

223 

0.52912 

-13 

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 

32 

35.2024 

40 

104 

5.17519 

80 

176 

1.17393 

120 

248 

0.35982 

34 

33.3269 

41 

106 

4.96392 

81 

178 

1.13604 

121 

250 

0.35042 

36 

31.5635 

42 

108 

4.76253 

82 

180 

1.09958 

122 

252 

0.3413 

37 

29.9058 

43 

109 

4.5705 

83 

181 

1.06448 

123 

253 

0.33246 

39 

28.3459 

44 

111 

4.38736 

84 

183 

1.03069 

124 

255 

0.3239 

41 

26.8778 

45 

113 

4.21263 

85 

185 

0.99815 

125 

257 

0.31559 

43 

25.4954 

46 

115 

4.04589 

86 

187 

0.96681 

126 

259 

0.30754 

45 

24.1932 

47 

117 

3.88673 

87 

189 

0.93662 

127 

261 

0.29974 

46 

22.5662 

48 

118 

3.73476 

88 

190 

0.90753 

128 

262 

0.29216 

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 MCHS-09NIH1

Page 1: ...Installation MUST conform with local building codes or in the absence of local codes with the National Electrical Code NFPA70 ANSI C1 1993 or current edition and Canadian Electrical Code Part1 CSA C...

Page 2: ...and the elevation 17 7 4 Installation for the first time 18 7 5 Adding the refrigerant after running the system for many years 19 7 6 Re installation while the indoor unit need to be repaired 19 7 7 R...

Page 3: ...ul of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an authorized service center Do not install the product on a defective installation stan...

Page 4: ...away properly A bad connection may cause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the noise or hot air from th...

Page 5: ...of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire...

Page 6: ...ames of Indoor Outdoor units Series Capacity Indoor units Outdoor units Inverter 9k MEHS 09NiH2 MCHS 09NiH2 MEHS 09NIH1 MCHS 09NIH1 12k MEHS 12NIH2 MCHS 12NiH2 MEHS 12NIH1 MCHS 12NIH1 18k MEHS 18NIH2...

Page 7: ...H Model W D H MEHS 09NiH2 680 26 8in 178 7 0in 255 10 0in MEHS 09NIH1 MEHS 12NiH2 770mm 30 3in 188mm 7 4in 255mm 10 0in MEHS 12NIH1 MEHS 18NIH2 905mm 35 6in 198mm 7 8in 275mm 10 8in MEHS 22NIH2 1030m...

Page 8: ...170 6 7in 45 1 8in 65mm 2 56in MEHS 09NIH1 MEHS 12NIH2 95mm 3 7in 170mm 6 7in 45mm 1 8in MEHS 12NIH1 MEHS 18NIH2 80mm 3 1in 100mm 3 9in 45mm 1 8in Model R mm L mm H mm Dimension of installation hole...

Page 9: ...4in 540 21 3in 757 29 8in 458 18 0in 250 9 8in MCHS 09NIH1 660mm 26 0in 265mm 10 4in 540mm 21 3in 732mm 28 8in 458mm 18 0in 276mm 10 9in MCHS 12NIH1 660mm 26 0in 265mm 10 4in 540mm 21 3in 732mm 28 8in...

Page 10: ...INDOOR OUTDOOR LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE CHECK VALVE Heating Model only CAPILIARY TUBE REVERSING VALVE Heating Model onl...

Page 11: ...9 6 Wiring Diagram 6 1 Indoor Unit MEHS 09NiH1 MEHS 12NiH1 MEHS 09NiH2 MEHS 12NiH2 MEHS 18NiH2...

Page 12: ...10 MEHS 22NiH2...

Page 13: ...11 6 2 Outdoor Unit MCHS 09NiH1 MCHS 12NiH1...

Page 14: ...12 MCHS 09NiH2 MCHS 12NiH2...

Page 15: ...13 MCHS 18NiH2 MCHS 22NiH2...

Page 16: ...14 For MCHS 12NiH2 For MCHS 09NiH1 MCHS 12NiH1...

Page 17: ...15 For MCHS 09NiH2 For MCHS 18NiH2...

Page 18: ...16 For MCHS 22NiH2...

Page 19: ...re selecting the cable fuse and switch 7 3 Pipe length and the elevation Models Pipe size Gas Liquid MEHS 09NiH2 MCHS 09NiH2 3 8in 9 52mm 1 4in 6 35mm MEHS 09NIH1 MCHS 09NIH1 3 8in 9 52mm 1 4in 6 35mm...

Page 20: ...the manifold valve 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa 14 5Psi If the meter does not indicate 0 1Mpa 14 5Psi af...

Page 21: ...air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto...

Page 22: ...r use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylind...

Page 23: ...ow side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time approximately...

Page 24: ...is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air c...

Page 25: ...ay board Defrost Indicator This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode Run indicator Flash at...

Page 26: ...e the indoor fan will be also controlled by anti cold wind function 9 3 7 Compressor preheating functions Preheating permitting condition If T4 outdoor ambient temperature 3 and the machine connects t...

Page 27: ...r operation frequency If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 minutes according to the outdoor ambient temp During the 7 minutes the frequency li...

Page 28: ...ode indoor fan runs all the time and the speed can be selected as high medium low and auto Auto fan in cooling mode acts as follow 4 3 High Low 1 Medium 1 5 9 4 3 Heating Mode 9 4 3 1 Compressor runni...

Page 29: ...s limited by the current I3HEAT I2HEAT I1HEAT Off Decrease Hold Resume I3HEAT I2HEAT I1HEAT mean different running current value Off Compressor stops Decrease Decrease the running frequency to the low...

Page 30: ...ps more than 5 or not Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher th...

Page 31: ...n cooling mode 9 4 5 5 The outdoor fan operates the same as in cooling mode 9 4 6 Forced operation function 9 4 6 1 Enter forced operation function When the machine is off pressing the touch button wi...

Page 32: ...sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode 9 4 9 Auto Restart function Th...

Page 33: ...electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100 40W or soldering iron plug between terminals of the electro...

Page 34: ...T2 open circuit or short circuit 7 times X EC Refrigerant leakage detection 2 times O F1 Outdoor temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor T3...

Page 35: ...CHS 12NiH2 There s a LED light on the outdoor PCB which is blue color After power on it will be slow flash 0 2Hz when the unit is in standby and quick flash 2 5Hz if the unit has some problems it will...

Page 36: ...MCHS 09NiH1 MCHS 12NiH1 There s a LED light on the outdoor PCB which is blue color After power on it will be slow flash 0 2Hz when the unit is in standby and quick flash 2 5Hz if the unit has some pr...

Page 37: ...for the PCB POWER display LED 4 is a yellow light After power on it will be slow flash 0 2Hz when the unit is in standby and quick flash 2 5Hz if the unit has some problems LED 1 green and LED2 red a...

Page 38: ...ight and for the PCB POWER display LED 2 is a yellow light After power on it will be slow flash 0 2Hz when the unit is in standby and quick flash 2 5Hz if the unit has some problems LED 4 green and LE...

Page 39: ...ction or IGBT over strong current protection X P0 4 Over voltage or too low voltage protection O O P1 5 Over voltage or too low voltage protection O P1 6 Inverter compressor drive error X P4 7 Inverte...

Page 40: ...eive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the l...

Page 41: ...lution E1 Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously Supposed cause...

Page 42: ...l move alternately between 50V to 50V If the outdoor unit has malfunction the voltage will move alternately with positive value While if the indoor unit has malfunction the voltage will be a certain v...

Page 43: ...and solution E2 Error Code E2 Malfunction decision conditions When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Supposed caus...

Page 44: ...tion E3 Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes Wiring mistake...

Page 45: ...ck 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 outdoor PCB Power on and check if the fan can run normally if the fan can run normally t...

Page 46: ...re sensor diagnosis and solution E5 Error Code E5 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiri...

Page 47: ...the compressor just starts running as Tcool In the beginning 5 minutes after the compressor starts up if T2 Tcool 2 does not keep continuous 4 seconds and this situation happens 3 times the display a...

Page 48: ...Code P0 Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P0 and AC will turn off Supposed causes Wiring mistake IPM...

Page 49: ...47 For example P U P V Note The photos below are only for reference it s may be not same totally with the ones on your side...

Page 50: ...48 P W P N...

Page 51: ...ion decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit Supposed causes Power supply problems System leakage or block PCB faulty Troubl...

Page 52: ...ompressor top diagnosis and solution P2 Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Power supply problems System le...

Page 53: ...bnormal inverter compressor drive is detected by a special detection circuit including communication signal detection voltage detection compressor rotation speed signal detection and so on Supposed ca...

Page 54: ...from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge t...

Page 55: ...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 33 326...

Page 56: ...5 222 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 7 086 119 246 2 174 0...

Page 57: ...55 Appendix 3 10 11 12 13 14 15 16 17 18 19 20 21 22 48 50 52 54 56 58 60 62 64 66 68 70 72 23 24 25 26 27 28 29 30 31 32 33 34 35 74 76 78 80 82 84 86 88 90 92 94 96 98...

Page 58: ...ng Measure the resistance value of each winding by using the tester Position Resistance Value DA108X1C 23EZ DA108X1C 20FZ3 DA130M1C 31FZ DA150S1C 20FZ Blue Red 1 1 20 68 0 71 20 68 1 77 20 68 0 95 20...

Page 59: ...eral M P N U N U V V W W Red 4 Indoor AC Fan Motor Measure the resistance value of each winding by using the tester Position Resistance Value RPG13B RPG15A RPG20B RPG28H RPG45B Black Red 530 8 20 68 B...

Page 60: ...DT IDT 75 23 89 85 29 44 95 35 105 40 56 115 46 11 PSI 70 59 119 113 117 125 147 PSI 75 63 124 120 126 132 155 PSI 80 67 135 129 132 140 162 ODT IDT 75 23 89 85 29 44 95 35 105 40 56 115 46 11 MPA 70...

Page 61: ...37 33 2 78 0 56 27 23 2 78 5 17 13 8 33 10 56 PSI 55 439 413 367 330 302 PSI 65 471 435 386 368 339 PSI 75 489 457 403 381 362 ODT IDT 57 53 13 89 11 67 47 43 8 33 6 11 37 33 2 78 0 56 27 23 2 78 5 17...

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