Hokkaido HCKU 565 X2R, HCKU 805 X3R, HCKU 855 X4R Service Manual

1

SERVICE Manual

Multi FREE-Match

DC-I n v e r t e r

HCKU 565 X2R HCKU 805 X3R HCKU 855 X4R

2

Sommario

1. Model Names of Indoor/Outdoor Units ...................... 6

1.1 Indoor Units ......................................................................................................................................... 6

1.2 Outdoor Units ...................................................................................................................................... 6

2. External Appearance ................................................... 7

Outdoor units: ............................................................................................................................................ 8

3. Combination of Indoor Units ...................................... 9

3.1 HCKU 565 X2R ................................................................................................................................... 9

3.2 HCKU 805 X3R ................................................................................................................................. 10

3.3 HCKU 855 X4R .................................................................................................................................. 1 1

4. Features ..................................................................... 13

5. W a l l -mounted T ype .................................................... 15

5.1 Specifications .................................................................................................................................... 15

5.1.1 Wall series .......................................................................................................................... 15

5.2 Dimensions ....................................................................................................................................... 16

6. Wiring Diagrams ........................................................ 17

7.1 HKEU 265-355 XR ............................................................................................................................ 17

7. Air Velocity and T emperature Distributions ............ 18

8. Electric Characteristics ............................................ 19

9. Sound Levels ............................................................. 20

10. Features ..................................................................... 22

1 1 . Specifications ............................................................ 23

12. Dimensions ................................................................ 25

13. Service Space ............................................................ 26

14. Wiring Diagrams ........................................................ 27

3

15. Air Velocity and T emperature Distributions ............ 28

16. Electric Characteristics ............................................ 29

17. Sound Levels ............................................................. 30

18. Specifications ............................................................ 32

19. Dimensions ................................................................ 35

20. Service Space ............................................................ 36

21. Piping Diagrams ........................................................ 37

22. Wiring Diagrams ........................................................ 39

23. Field Wiring ................................................................ 42

24. Electric Characteristics ............................................ 43

25. Operation Limits ........................................................ 44

26. Sound Levels ............................................................. 46

27. Troubleshooting ........................................................ 47

28. Installation and operation instructions ................... 67

10.1 Type of Indoor Unit .......................................................................................................................... 67

29. Precaution on Installation ........................................ 68

30. Vacuum dry and leakage checking .......................... 69

31. Refrigerant charge .................................................... 71

32. Water drainage .......................................................... 72

32.1 Gradient and Supporting ................................................................................................................. 72

32.2 Drainpipe Trap ................................................................................................................................. 72

32.3 Convergent drainage ...................................................................................................................... 72

4

32.4 Drainage test ................................................................................................................................... 73

33. Insulation work .......................................................... 74

33.1 Insulation material and thickness .................................................................................................... 74

33.2 Refrigerant pipe insulation .............................................................................................................. 74

33.3 Drainage pipe insulation ................................................................................................................. 75

33.4 Note ................................................................................................................................................. 75

34. Test operation ............................................................ 76

35. Control device ........................................................... 88

5

Par t 1

General Information

6

1. Model Names of Indoor/Outdoor Units

1.1 Indoor Units

Model name

Dimension

(mm)

Net/Gross

weight (kg)

Power supply

HKEU 265 XR

Width: 795

Height: 270

Depth: 165

10/11.5

220~240V-1ph-50Hz

HKEU 355 XR

Width: 845

Height: 286

Depth: 165

10.5/12

220~240V-1ph-50Hz

HFIU 205 XR

Width:700

Height:600

Depth:210

13/18

220~240V-1ph-50Hz

HFIU 265 XR

Width:700

Height:600

Depth:210

13/18

220~240V-1ph-50Hz

HFIU 355 XR

Width:700

Height:600

Depth:210

15/20

220~240V-1ph-50Hz

HFIU 535 XR

Width:700

Height:600

Depth:210

15/20

220~240V-1ph-50Hz

1.2 Outdoor Units

Model name

Dimension

(mm)

Net/Gross

weight (kg)

Power supply

HCKU 565 X2R

Width: 940

Height: 375

Depth: 755

61/65

220~240V-1ph-50Hz

HCKU 805 X3R

Width: 940

Height: 375

Depth: 755

68/72

220~240V-1ph-50Hz

HCKU 855 X4R

Width: 968

Height: 858

Depth: 355

80/84

220~240V-1ph-50Hz

7

2. External Appearance

Indoor units:

Wall-mounted

Console

8

Outdoor units:

HCKU 565 X2R

HCKU 805 X3R

HCKU 855 X4R

9

3. Combination of Indoor Units

You can choose different style indoor units: wall-mounted type, console type.

3.1 HCKU 565 X2R

COOLING

Combinations

Nominal Cooling

Capacity (kW)

Total Cooling

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU 565 X2R

BI

(1x1)

205 — — — 2,05 — — — 1,03

2,05

3,08

0,25

0,64

0,83

3,20

A

265 — — — 2,64 — — — 1,03

2,64

3,56

0,35

0,81

1,08

3,26

A

355 — — — 3,52 — — — 1,48

3,52

4,71

0,47

1,11

1,52

3,17

B

BI

(1x2)

205

205 — —

2,05

2,05 — —

1,56

4,1

5,42

0,48

1,23

1,6

3,33

A

205

265 — —

2,05

2,64 — —

1,78

4,69

6,24

0,56

1,43

1,93

3,28

A

205

355 — —

2,04

3,5 — —

1,61

5,54

6,92

0,54

1,67

2,23

3,32

A

265

265 — —

2,64

2,64 — —

1,95

5,28

6,23

0,59

1,59

2,01

3,32

A

265

355 — —

2,37

3,17 — —

2,33

5,6

6,65

0,71

1,64

2,24

3,41

A

355

355 — —

2,77

2,77 — —

1,94

5,6

6,48

0,68

1,64

2,35

3,41

A

HEATING

Combinations

Nominal Heating

Capacity (kW)

Total Heating

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU

565 X2R

BI

(1x1)

205 — — — 2,49 — — — 1

2,49

3,24

0,26

0,68

0,88

3,66

A

265 — — — 3,08 — — — 1,08

3,08

4,09

0,34

0,82

1,1

3,76

A

355 — — — 3,96 — — — 1,5

3,96

4,99

0,46

1,09

1,52

3,63

A

BI

(1x2)

205

205 — —

2,49

2,49 — —

1,4

4,98

6,88

0,5

1,35

1,75

3,69

A

205

265 — —

2,49

3,08 — —

1,84

5,57

6,63

0,58

1,49 2 3,74

A

205

355 — —

2,35

3,75 — —

2,03

6,1

7,85

0,6

1,69

2,25

3,61

A

265

265 — —

3,08

3,08 — —

2,34

6,15

7,7

0,6

1,63

2,08

3,77

A

265

355 — —

3,08

3,97 — —

2,66

6,98

7,98

0,73

1,84

2,42

3,79

A

355

355 — —

3,6

3,6 — —

2,28

7,2

8,42

0,75 2 2,67

3,60

B

10

3.2 HCKU 805 X3R

COOLING

Combinations

Nominal Cooling

Capacity (kW)

Total Cooling

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU

805 X3R

TRI

(1x1)

205 — — — 2,05 — — — 0,86

2,05

2,91

0,25

0,63

0,89

3,25

A

265 — — — 2,64 — — — 1,06

2,64

3,48

0,34

0,81

1,06

3,26

A

355 — — — 3,52 — — — 1,13

3,52

4,75

0,38

1,09

1,48

3,23

A

TRI

(1x2)

205

205 — —

2,05

2,05 — —

1,48

4,1

5,4

0,48

1,27

1,68

3,23

A

205

265 — —

2,05

2,64 — —

1,59

4,69

6,21

0,52

1,44

1,92

3,26

A

205

355 — —

2,05

3,52 — —

2,28

5,57

7,3

0,68

1,71

2,25

3,26

A

265

265 — —

2,64

2,64 — —

1,69

5,28

6,96

0,55

1,62

2,22

3,26

A

265

355 — —

2,64

3,52 — —

2,4

6,16 8 0,76

1,96

2,72

3,14

B

355

355 — —

3,52

3,52 — —

2,74

7,04

9,14

0,86

2,21

2,94

3,19

B

TRI

(1x3)

205

205 — 2,05

2,05

2,05 — 1,78

6,15

7,58

0,63

1,9

2,43

3,24

A

205

265 — 2,05

2,05

2,64 — 2,56

6,74

9,03

0,79

2,04

2,76

3,30

A

205

355 — 2,05

2,05

3,52 — 2,67

7,62

10,17

0,89

2,36

3,16

3,23

A

205

265

265 — 2,05

2,64

2,64 — 3,1

7,33

10,11

0,87

2,48

3,42

2,96

C

205

265

355 — 2,01

2,57

3,42 — 2,42 8 9,82

0,78

2,27

3,06

3,52

A

205

355

355 — 1,8

3,1

3,1 — 2,77 8 10,6

0,93

2,49

3,63

3,21

A

265

265 — 2,64

2,64

2,64 — 2,77

7,92

10,4

0,83

2,4

3,25

3,30

A

265

355 — 2,4

2,4

3,2 — 3,18 8 11,09

1,05

2,54

3,58

3,15

B

HEATING

Combinations

Nominal Heating

Capacity (kW)

Total Heating

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU

805 X3R

TRI

(1x1)

205 — — — 2,49 — — — 0,95

2,49

3,16

0,27

0,67

0,94

3,72

A

265 — — — 3,08 — — — 1,08

3,08

4,22

0,35

0,84

1,1

3,67

A

355 — — — 3,96 — — — 1,5

3,96

5,3

0,37

1,07

1,44

3,70

A

TRI

(1x2)

205

205 — —

2,49

2,49 — —

2,14

4,98

6,38

0,51

1,35

1,79

3,69

A

205

265 — —

2,49

3,08 — —

2,12

5,57

7,41

0,55

1,53

2,04

3,64

A

205

355 — —

2,49

3,96 — —

2,56

6,45

8,38

0,7

1,75

2,3

3,69

A

265

265 — —

3,08

3,08 — —

2,34

6,15 8 0,56

1,65

2,26

3,73

A

265

355 — —

3,08

3,96 — —

2,67

7,03

9,71

0,76

1,95

2,71

3,61

A

355

355 — —

3,96

3,96 — —

2,72

7,91

10,29

0,86

2,21

2,94

3,58

B

TRI

(1x3)

205

205 — 2,49

2,49

2,49 — 2,84

7,47

9,27

0,67

2,04

2,59

3,66

A

205

265 — 2,49

2,49

3,08 — 2,95

8,06

10,8

0,86

2,2

2,98

3,66

A

205

355 — 2,49

2,49

3,96 — 3,19

8,94

11,62

0,93

2,35

3,31

3,80

A

205

265

265 — 2,42

3,08

3,08 — 3,51

8,58

12,28

0,86

2,4

3,39

3,58

B

205

265

355 — 2,49

3,08

3,56 — 3,19

9,13

11,24

0,83

2,42

3,26

3,77

A

205

355

355 — 2,35

3,67

3,67 — 3,6

9,69

12,19

0,92

2,56

3,59

3,79

A

265

265 — 3,26

3,26

3,26 — 3,32

9,8

12,37

0,88

2,5

3,41

3,92

A

265

355 — 2,98

2,98

3,9 — 3,14

9,8

12,09

1,05

2,52

3,56

3,89

A

1 1

3.3 HCKU 855 X4R

COOLING

Combinations

Nominal Cooling

Capacity (kW)

Total Cooling

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU

855 X4R

Q U A

(1x1)

205 — — — 2,05 — — — 0,84

2,05

2,67

0,24

0,63

0,88

3,25

A

265 — — — 2,64 — — — 1,01

2,64

3,43

0,3

0,77

1,06

3,43

A

355 — — — 3,52 — — — 1,29

3,52

4,57

0,44

1,01

1,36

3,49

A

535 — — — 5,28 — — — 2

5,28

6,86

0,6

1,63

2,16

3,24

A

Q U A

(1x2)

205

205 — —

2,05

2,05 — —

1,64

4,1

5,33

0,46

1,18

1,67

3,47

A

205

265 — —

2,05

2,64 — —

1,78

4,69

6,1

0,56

1,41

1,86

3,33

A

205

355 — —

2,05

3,52 — —

2,16

5,57

7,24

0,64

1,71

2,23

3,26

A

205

535 — —

2,05

5,28 — —

2,06

7,33

9,15

0,63

1,61

2,16

4,55

A

265

265 — —

2,64

2,64 — —

1,83

5,28 8 0,63

1,91

2,64

2,76

D

265

355 — —

2,64

3,52 — —

2,64

6,16 8 0,82

2,18

3,04

2,83

C

265

535 — —

2,64

5,28 — —

2,78

7,92

8,57

0,84

2,23

2,94

3,55

A

355

355 — —

3,52

3,52 — —

2,9

5,28

7,33

1,02

2,48

3,35

2,13

G

355

535 — —

3,26

5,24 — —

3,26

8,5

9,62

1

2,57

3,42

3,31

A

535

535 — —

4,25

4,25 — —

3,1

8,5

10,19

0,93

2,61

3,53

3,26

A

Q U A

(1x3)

205

205 — 2,05

2,05

2,05 — 2,49

6,15

9,42

0,65

1,86

2,55

3,31

A

205

265 — 2,05

2,05

2,64 — 2,56

6,74

9,93

0,77

2,06

2,7

3,27

A

205

355 — 2,05

2,05

3,52 — 2,52

7,62

9,14

0,92

2,35

3,18

3,24

A

205

535 — 1,85

1,85

4,8 — 3,17

8,5

10,11

0,85

2,49

3,32

3,41

A

205

265

265 — 2,05

2,64

2,64 — 2,6

7,33

9,78

0,9

2,46

3,35

2,98

C

205

265

355 — 2,05

2,64

3,52 — 2,52

8,21

9,86

0,8

2,47

3,3

3,32

A

205

265

535 — 1,85

2,34

4,02 — 3,07

8,21

9,16

0,79

2,3

3,16

3,57

A

205

355

355 — 1,92

3,29

3,29 — 2,57

8,5

11,02

0,84

2,49

3,35

3,41

A

205

355

535 — 1,54

2,64

3,97 — 3,17

8,15

10,27

0,95

2,56

3,56

3,18

B

265

265 — 2,64

2,64

2,64 — 2,56

7,92

10,83

0,84

2,43

3,24

3,26

A

265

355 — 2,55

2,55

3,4 — 2,62

8,5

9,94

0,92

2,54

3,52

3,35

A

265

535 — 2,14

2,14

4,23 — 3,18

8,5

10,11

0,9

2,58

3,61

3,29

A

265

355

355 — 2,32

3,09

3,09 — 2,83

8,5

11

0,98

2,53

3,38

3,36

A

265

355

535 — 1,98

2,61

3,91 — 3,45

8,5

10,03

0,85

2,52

3,47

3,37

A

355

355 — 2,83

2,83

2,83 — 3,07

8,5

11

1,16

2,58

3,48

3,29

A

Q U A

(1x4)

205

2,12

2,7

8,5

10,35

0,97

2,48

3,28

3,43

A

205

265

2,07

2,29

2,84

8,5

10,27

0,95

2,5

3,41

3,40

A

205

355

1,81

3,07

3,04

8,5

10,76

0,87

2,52

3,49

3,37

A

205

535

1,54

3,88

3,61

8,5

10,92

0,94

2,49

3,34

3,41

A

205

265

1,86

2,38

3,05

8,5

11

0,99

2,48

3,41

3,43

A

205

265

355

1,71

2,18

2,88

3,19

8,5

11,17

0,95

2,52

3,5

3,37

A

205

355

1,58

2,65

3,32

8,5

11,17

1,07

2,56

3,45

3,32

A

205

265

1,76

2,24

3,17

8,5

11,09

0,92

2,51

3,43

3,39

A

205

265

355

1,62

2,06

2,72

3,35

8,5

11,25

0,92

2,58

3,47

3,29

A

205

265

355

1,51

1,91

2,53

3,71

8,5

11,17

0,9

2,61

3,6

3,26

A

265

2,12

3,36

8,5

10,76

0,88

2,62

3,5

3,24

A

265

355

1,96

2,6

3,5

8,5

11

1,01

2,6

3,5

3,27

A

12

HEATING

Combinations

Nominal Heating

Capacity (kW)

Total Heating

Capacity

Power Input

(kW )

EER

ENERGY

L A B E L

Unit

min.

std.

max.

min.

std.

max.

(W /W )

A B C D A B C

D

HCKU

855 X4R

Q U A

(1x1)

205 — — — 2,49 — — — 0,97

2,49

3,29

0,25

0,66

0,92

3,77

A

265 — — — 3,08 — — — 1,48

3,08 4 0,32

0,81

1,11

3,80

A

355 — — — 3,96 — — — 1,7

3,96

5,28

0,46

1,07

1,44

3,70

A

535 — — — 6,01 — — — 2,22

6,01

7,81

0,58

1,59

2,11

3,78

A

Q U A

(1x2)

205

205 — —

2,49

2,49 — —

2,24

4,98

6,48

0,52

1,34

1,91

3,72

A

205

265 — —

2,49

3,08 — —

1,84

5,57

7,6

0,61

1,52 2 3,66

A

205

355 — —

2,49

3,96 — —

2,97

6,45

8,38

0,65

1,73

2,25

3,73

A

205

535 — —

2,49

5,98 — —

2,34

8,47 8 0,64

2,28

2,2

3,71

A

265

265 — —

3,08

3,08 — —

2,53

6,16

8,84

0,63

1,91

2,63

3,23

C

265

355 — —

3,08

3,96 — —

2,61

7,04

10,56

0,78

2,07

2,88

3,40

B

265

535 — —

2,48

5,98 — —

3,21

8,46

11,19

0,85

2,27

2,99

3,73

A

355

355 — —

3,96

3,96 — —

3,21

7,92

10,97

0,94

2,29

3,09

3,46

B

355

535 — —

3,36

5,1 — —

3,1

8,46

11,07

0,9

2,31

3,08

3,66

A

535

535 — —

4,23

4,23 — —

3,28

8,46

11,16

0,83

2,32

3,13

3,65

A

Q U A

(1x3)

205

205 — 2,49

2,49

2,49 — 2,64

7,47

9,9

0,7

2,03

2,78

3,68

A

205

265 — 2,49

2,49

3,08 — 2,77

8,06

10,67

0,79

2,1

2,77

3,84

A

205

355 — 2,36

2,36

3,74 — 2,83

8,46

11,36

0,86

2,2

2,96

3,85

A

205

535 — 1,92

1,92

4,62 — 3,42

8,46

12,77

0,8

2,34

3,12

3,62

A

205

265

265 — 1,82

2,95

2,95 — 2,84

7,72

11,4

0,83

2,27

3,09

3,40

B

205

265

355 — 2,21

2,73

3,51 — 2,88

8,45

12,09

0,75

2,3

3,07

3,67

A

205

265

535 — 2,44

3,01

3,98 — 3,35

9,43

12,11

0,8

2,34

3,22

4,03

A

205

355

355 — 2,02

3,22

3,22 — 2,95

8,46

12,18

0,76

2,27

3,05

3,73

A

205

355

535 — 1,69

2,68

4,08 — 3,48

8,45

12,31

0,85

2,3

3,19

3,67

A

265

265 — 2,82

2,82

2,82 — 2,91

8,46

12,21

0,79

2,29

3,06

3,69

A

265

355 — 2,57

2,57

3,31 — 2,99

8,45

12,25

0,84

2,32

3,21

3,64

A

265

535 — 2,14

2,14

4,17 — 3,49

8,45

12,43

0,84

2,41

3,37

3,51

B

265

355

355 — 2,37

3,04

3,04 — 3,18

8,45

12,24

0,92

2,37

3,17

3,57

B

265

355

535 — 2

2,56

3,89 — 3,78

8,45

12,28

0,81

2,4

3,3

3,52

B

355

355 — 2,82

2,82

2,82 — 3,35

8,46

11,88

1,05

2,33

3,14

3,63

A

Q U A

(1x4)

205

2,48

2,98

9,92

11,83

0,9

2,3

3,05

4,31

A

205

265

2,45

2,56

3,11

9,91

11,87

0,88

2,32

3,16

4,27

A

205

355

2,02

3,88

3,33

9,94

11,89

0,8

2,3

3,19

4,32

A

205

535

1,98

1,98 4 3,93

9,94

12,13

0,88

2,33

3,13

4,27

A

205

265

2,12

2,83

3,27

9,9

12,09

0,91

2,28

3,13

4,34

A

205

265

355 2 2

2,45

3,4

3,48

9,85

12,31

0,86

2,3

3,18

4,28

A

205

355

1,75

3,2

3,85

9,9

12,22

0,98

2,33

3,14

4,25

A

205

265

2,02

2,6

3,46

9,82

12,24

0,85

2,35

3,17

4,18

A

205

265

355

1,95

2,55

2,9

3,65

9,95

12,19

0,82

2,41

3,09

4,13

A

205

265

355

1,85

2,45

2,8

4,09

9,9

12,38

0,81

2,4

3,22

4,13

A

265

2,48

3,61

9,92

12,41

0,78

2,38

3,1

4,17

A

265

355

2,4

2,74

3,77

9,94

12,28

0,91

2,39

3,15

4,16

A

13

4. Features

Hokkaido’s DC multi air conditioner is new product series in Hokkaido brand.

 Adopt DC inverter compressor

All the outdoor units use DC inverter compressor, the efficiency is high, the EER is up to A class.

 Various styles indoor units

More than 6 different models indoor units can be chosen, including wall-mounted type, console type.

 Cooling in low temperature

The outdoor unit model HCKU 855 X4R can operate even in -15°C.This is standard with low ambient kit.

14

Par t 2

Indoor Units

15

5. Wall-mounted Type

5.1 Specifications

5.1.1 Wall series

Sale Model

HKEU 265 XR

HKEU 355 XR

Power supply

V-ph-Hz

220~240-1-50

Supply electricity type

Outdoor unit supply power

Cooling Capacity

Btu/h

9000

12000

Input W 38

44

Rated current

A

0.17

0.2

Heating Capacity

Btu/h

10000

14000

Input W 38

44

Rated current

A

0.17

0.2

Indoor fan motor

Model

RPG20D

T y p e AC moto r

AC moto r

Brand

Welling

Input W 38

38

Capacitor

uF

1.2

Speed(hi/mi/lo)

r/min

1150/1000/850

Indoor coil

a.Number of rows

2 2

b.Tube pitch(a)x row pitch(b)

mm

21×13.37

c.Fin spacing

mm

1.3

d.Fin type

Hydrophilic aluminium

e.Tube outside dia.and type

mm

Ф7

Inner-groove tube

f.Coil length x height x width

mm

620 x 200 x 26.74

g.Number of circ uits

2 2

Indoor air flow (Hi/Mi/Lo)

m3/h

570/480/350

700/520/420

Indoor noise level (Hi/Mi/Lo)

dB(A)

39/34/29

Indoor unit Dimension (W x H x D)

mm

795 x 270 x 165

845 x 286 x 165

Packing (W x H x D)

mm

850 x 285 x 340

905 x 285 x 355

Net/Gross weight

kg

10/11.5

10.5/12

Refrigerant T y p e

R410A

Refrigerant pipe

Liquid side/ Gas side

mm

Ф6.35/Ф9.53

Ф6.35/Ф12.7

Drainage water pipe diamete r.

mm

Ф20

Ф 1 7 . 5

Controller(standard)

R51I4/BGE

Application area

m2

12~15

16

5.2 Dimensions

Unit: mm

Dimension

Model

W H D

HKEU 265 XR

795

270

165

HKEU 355 XR

845

286

165

17

6. Wiring Diagrams

7.1 HKEU 265-355 XR

18

7. Air Velocity and Temperature Distributions

Airflow velocity

Temperature

19

8. Electric Characteristics

Model

Indoor Unit

Power Supply

IFM

Hz

Voltage

Min

Max

MCA

M F A

kW

FLA

HKEU 265 XR

50

220-240

198

254

0.21

16

0.02

0.17

HKEU 355 XR

50

220-240

198

254

0.25

16

0.02

0.17

Remark:

MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) KW: Fan Motor Rated Output (kW) FLA: Full Load Amps. (A) IFM: Indoor Fan Motor

20

9. Sound Levels

Model

Noise level dB(A)

High speed

HKEU 265 XR

39

HKEU 355 XR

39

21

Console Type

22

10. Features

Consumes up to 30% less energy than non-inverter units

DC inverter compressor Indoor fan motor adopts DC motor

Achieves set temperature more quickly

Air supplying from top and bottom or from top only Air inlet from four directions

Compact unit body, space saving

This unit body is very thin and harmonious with room. It is beautiful, elegant and space saving. Lightweight and compact.

Flexible installation.

Can be used for floor standing or lower wall applications As a floor standing floor model, it can be semi or fully recessed without loss of capacity.

High efficiency filter

Built in Formaldehyde nemesis filter Active-carbon and biological anti-virus filter is optional.

Comfort

Flexible air blow: vertical auto swing and wide angle louvers ensure that warm air reaches the furthest corners of the room and increase the air flow coverage Low noise operation, lowest to 23Db Low starting power and precise room temperature adjustment

Powerful mode can be selected for rapid cooling or heating.

Easy cleaning grille and maintenance

Indoor unit adopts DC motor, it has five level fan speed meet different requirements.

23

11. Specifications

Sale Model

HFIU 205 XR

HFIU 265 XR

Power supply

V-ph-Hz

220~240-1-50

Cooling

Capacity

Btu/h

7000

9000

Input W 30

30

Rated current

A

0.13

Heating

Capacity

Btu/h

8000

10000

Input W 30

30

Rated current

A

0.13

Indoor fan motor

Model RD-280-20-8A

RD-280-20-8A

T y p e DC MOTOR

DC MOTOR

Brand WELLING

WELLING

Input w 42

42

Speed ( Lo/ Mi/ Hi)

r/min

430/460/530/560/670

Indoor coil

a.Number of rows

1

b.Tube pitch(a)x row pitch(b)

mm

13.37x21

c.Fin spacing

mm

1.3

d.Fin type (code)

Hydrophilic aluminum

e.Tube outside dia.and type

mm

Ф7

Inner groove tube

f.Coil length x height x width

mm

512x378x21

g.Number of circuits

1

Indoor air flow ( Lo/ Mi/ Hi)

m3/h

330/380/460/500/550

Sound level (sound pressure)

dB(A)

22/26/31/34/37

Indoor unit

Dimension (W x H x D)

mm

700x600 x210

Packing (W x H x D)

mm

810x710 x305

Net/Gross weight

kg

13/18

Refrigerant

T y p e R410A

R410A

Design pressure

MPa

4.2/2.0

Refrigerant piping

Liquid side/ Gas side

mm

Ф6.4/Ф12.7

Connection wiring

Signal wiring

mm2

4-core shielded wire 4×1.5

Drainage water pipe dia.

mm

Ф16

Wireless remote controller

R51D/E (standard)

Operation temp ℃ 17~30

24

Sale Model

HFIU 355 XR

HFIU 535 XR

Power supply

V-ph-Hz

220~240-1-50

Cooling

Capacity

Btu/h

12000

18000

Input W 30

50

Rated current

A

0.13

0.22

Heating

Capacity

Btu/h

14000

20000

Input W 30

50

Rated current

A

0.13

0.22

Indoor fan motor

Model RD-280-20-8A

RD-280-20-8A

T y p e DC MOTOR

DC MOTOR

Brand WELLING

WELLING

Input w 42

42

Speed( Lo/ Mi/ Hi)

r/min

420/460/560/610/680

530/680/780/840/890

Indoor coil

a.Number of rows

2

b.Tube pitch(a)x row pitch(b)

mm

13.37x21

c.Fin spacing

mm

1.3

d.Fin type (code)

Hydrophilic aluminum

e.Tube outside dia.and type

mm

Ф7

Inner groove tube

f.Coil length x height x width

mm

512x378x42

g.Number of circuits

2

Indoor air flow ( Lo/ Mi/ Hi)

m3/h

350/380/460/490/550

440/560/640/700/740

Sound level (sound pressure)

dB(A)

23/27/32/34/37

28/31/33/36/39

Indoor unit

Dimension (W x H x D)

mm

700x600 x210

Packing (W x H x D)

mm

810x710 x305

Net/Gross weight

kg

15/20

Refrigerant

T y p e R410A

R410A

Design pressure

MPa

4.2/2.0

Refrigerant piping

Liquid side/ Gas side

mm

Ф6.4/Ф12.7

Connection wiring

Signal wiring

mm2

4-core shielded wire 4×1.5

Drainage water pipe dia.

mm

Ф16

Wireless remote controller

R51D/E (standard)

Operation temp ℃ 17~30

25

12. Dimensions

HFIU 205 XR、HFIU 265 XR、HFIU 355 XR、HFIU 535 XR

26

13. Service Space

27

14. Wiring Diagrams

HFIU 205 XR、HFIU 265 XR、HFIU 355 XR、HFIU 535 XR

Hokkaido HCKU 565 X2R, HCKU 805 X3R, HCKU 855 X4R Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual