Heat Controller A-VMH18DC-1, A-VMH36QC-1, A-VMH27TC-1 service manual Ohm

Page 44

Service Manual

 

 

VMH Series

 

 

 

Heat Controller, Inc.

 

 

 

 

 

 

 

 

 

 

 

 

Appendix 1 Temperature Sensor Resistance Value Table

(℃--K) Use appendix 4 to convert °C to °F.

 

 

 

 

 

 

 

 

 

 

 

 

℃

K Ohm

℃

K Ohm

℃

 

K Ohm

℃

K Ohm

 

 

-20

115.266

20

12.6431

60

 

2.35774

100

0.62973

 

 

-19

108.146

21

12.0561

61

 

2.27249

101

0.61148

 

 

-18

101.517

22

11.5000

62

 

2.19073

102

0.59386

 

 

-17

96.3423

23

10.9731

63

 

2.11241

103

0.57683

 

 

-16

89.5865

24

10.4736

64

 

2.03732

104

0.56038

 

 

-15

84.2190

25

10.000

65

 

1.96532

105

0.54448

 

 

-14

79.3110

26

9.55074

66

 

1.89627

106

0.52912

 

 

-13

74.5360

27

9.12445

67

 

1.83003

107

0.51426

 

 

-12

70.1698

28

8.71983

68

 

1.76647

108

0.49989

 

 

-11

66.0898

29

8.33566

69

 

1.70547

109

0.48600

 

 

-10

62.2756

30

7.97078

70

 

1.64691

110

0.47256

 

 

-9

58.7079

31

7.62411

71

 

1.59068

111

0.45957

 

 

-8

56.3694

32

7.29464

72

 

1.53668

112

0.44699

 

 

-7

52.2438

33

6.98142

73

 

1.48481

113

0.43482

 

 

-6

49.3161

34

6.68355

74

 

1.43498

114

0.42304

 

 

-5

46.5725

35

6.40021

75

 

1.38703

115

0.41164

 

 

-4

44.0000

36

6.13059

76

 

1.34105

116

0.40060

 

 

-3

41.5878

37

5.87359

77

 

1.29078

117

0.38991

 

 

-2

39.8239

38

5.62961

78

 

1.25423

118

0.37956

 

 

-1

37.1988

39

5.39689

79

 

1.21330

119

0.36954

 

 

0

35.2024

40

5.17519

80

 

1.17393

120

0.35982

 

 

1

33.3269

41

4.96392

81

 

1.13604

121

0.35042

 

 

2

31.5635

42

4.76253

82

 

1.09958

122

0.3413

 

 

3

29.9058

43

4.57050

83

 

1.06448

123

0.33246

 

 

4

28.3459

44

4.38736

84

 

1.03069

124

0.32390

 

 

5

26.8778

45

4.21263

85

 

0.99815

125

0.31559

 

 

6

25.4954

46

4.04589

86

 

0.96681

126

0.30754

 

 

7

24.1932

47

3.88673

87

 

0.93662

127

0.29974

 

 

8

22.5662

48

3.73476

88

 

0.90753

128

0.29216

 

 

9

21.8094

49

3.58962

89

 

0.87950

129

0.28482

 

 

10

20.7184

50

3.45097

90

 

0.85248

130

0.27770

 

 

11

19.6891

51

3.31847

91

 

0.82643

131

0.27078

 

 

12

18.7177

52

3.19183

92

 

0.80132

132

0.26408

 

 

13

17.8005

53

3.07075

93

 

0.77709

133

0.25757

 

 

14

16.9341

54

2.95896

94

 

0.75373

134

0.25125

 

 

15

16.1156

55

2.84421

95

 

0.73119

135

0.24512

 

 

16

15.3418

56

2.73823

96

 

0.70944

136

0.23916

 

 

17

14.6181

57

2.63682

97

 

0.68844

137

0.23338

 

 

18

13.9180

58

2.53973

98

 

0.66818

138

0.22776

 

 

19

13.2631

59

2.44677

99

 

0.64862

139

0.22231

 

44

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Contents Inverter Flex Multi-Zone Ductless Mini Split Contents General information of Outdoor Units ．Features Dimensions VMH27TC-1 VMH18DC-1VMH36QC-1 Refrigeration Cycle Diagram Indoor Outdoor Indoor units combination Wrench torque sheet for installation Connecting the cablesPipe length and elevation 30100ft 45150ft 60200ftInstallation for the first time Air purging with vacuum pumpAir purging by refrigerant Procedure Procedure Adding the refrigerant if the pipe length 5m16.5ftAdding the refrigerant due to loss of charge Collecting the refrigerant into the outdoor unit Procedure Replacing the indoor unitAir purging by the refrigerant Procedure Evacuation for the whole system Procedure Replacing the outdoor unitRefrigerant charging Procedure Abbreviations Electric control working environmentOutdoor unit’s digital display Outdoor unit point check functionFrequency of compressor Protection Low voltage protectionCompressor current limit protection Cooling modeHeating mode Indoor / outdoor units communication protection High condenser coil temp. protectionOutdoor unit anti-freezing protection Oil return Running rulesIndoor Mini-Split error code explanations Indoor Ceiling Cassette error codes2Outdoor unit error code explanation 3Trouble shooting See a VMH Series Zero-crossing signal error Indoor fan speed has been out of controlDC fan motorIndoor fan speed has been out of controlAC fan motor Open or short circuit of temperature sensor Full-water malfunction For Ceiling CassetteOutdoor temp. too low protectionOptional for some models 2 1 Outdoor Eeprom malfunction ODU E0Voltage protection ODU E5 VMH Series Temperature protection of compressor discharge ODU P0 Check whether the wiringTemperature protection of compressor top ODU P0 High pressure protection ODU P1 Only for A-VMH36QC-1 Low pressure protection ODU P2 Only for A-VMH36QC-1 Find the leak by charging nitrogen or refrigerantCurrent protection of compressor ODU P3 IPM module compressor ODU P4 Yes NoHigh temperature protection of condenser ODU P6 High PFC module protection ODU P6 Only for A-VMH36QC-1 Inverter compressor drive protection ODU P7Ohm Appendix Appendix VMH Series Position Resistance Value YDK70-6FB YDK180-8GB YSK27-4G YSK68-4B 10-2012

A-VMH18DC-1, A-VMH36QC-1, A-VMH27TC-1 specifications

The Heat Controller A-VMH series, consisting of models A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1, represents a sophisticated range of advanced heating and cooling systems designed for residential and commercial applications. These units are engineered to provide efficient climate control, ensuring optimal comfort throughout the year.

One of the standout features of the A-VMH series is its energy efficiency. With advanced inverter technology, these units adjust their power consumption based on the heating or cooling demand, ensuring minimal energy wastage. This not only contributes to lower energy bills but also reduces the carbon footprint, making these systems an environmentally friendly choice.

Each model in the A-VMH series comes equipped with a multi-stage filtration system designed to improve indoor air quality. The filters capture dust, allergens, and other particulate matter, ensuring that the air circulated through the living spaces is clean and fresh. This is particularly beneficial for households with allergy sufferers or respiratory issues.

The A-VMH27TC-1 model stands out for its compact design, making it ideal for smaller spaces without compromising on performance. It offers a cooling capacity of 27,000 BTU and is perfect for apartments or cozy living areas. The A-VMH36QC-1, on the other hand, provides a robust 36,000 BTU cooling capacity, making it suitable for larger rooms or commercial spaces. Its advanced heat pump technology allows for efficient heating even in colder climates. Lastly, the A-VMH18DC-1 model balances functionality and space-saving design, providing 18,000 BTUs for medium-sized areas.

All models are equipped with smart connectivity options, allowing users to control the temperature settings, adjust modes, and monitor energy consumption through mobile apps or smart home systems. This modern convenience provides users with the flexibility to maintain comfort according to their schedules and preferences.

Durability is also a hallmark of the A-VMH series. Each unit is built with high-quality materials and components, ensuring longevity and reliable performance. Moreover, the whisper-quiet operation of these units enhances the overall comfort, allowing users to enjoy their spaces without disruptive noise.

In summary, the Heat Controller A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1 are ideal choices for anyone seeking efficient, reliable, and smart climate control solutions. With their combination of energy efficiency, advanced filtration, smart capabilities, and robust design, these units meet the diverse needs of modern living and ensure lasting comfort in any environment.
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