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BHF1357

Outdoor unit multi connection piping kit

4PW38477-1

Installation manual

14

3. I

NSTALLATION

 

OF

 

SUCTION

 

GAS

 

AND

 

HP/LP 

GAS

 

PIPES

Cutting the field supplied gas pipes

Use the following tables for standard installation (refer to

"Dimensions for installation" on page 13

). 

If the dimensions exceed these of the standard installation, extend
the L dimension of the suction gas pipes 1~6 and HP/LP gas pipes
1~7 accordingly.

For suction gas pipes only
For L dimension of suction gas pipes 1~6 dimension B of the
field supplied angled joint as in table 31 on page 14 has been
taken into account. If dimension B of the angled joint you use is
different from that dimension B, adjust the L dimension of
suction gas pipes 1~6 accordingly.

Table 30

Table 31

For HP/LP gas pipes only
For L dimension of HP/LP gas pipes 1~7 dimension B of the field
supplied angled joint as in table 33 on page 14 has been taken
into account. If dimension B of the angled joint you use is
different from that dimension B, adjust the L dimension of HP/LP
gas pipes 1~7 accordingly.

Table 32

Table 33

Cutting suction gas reducer (1) and HP/LP gas 
reducer (2)

Connection piping

Connect the suction gas and HP/LP pipes as shown in the figure
below.
Before connecting the pipes, first connect the suction gas joint
and the suction gas reducer (1), the HP/LP gas joint and the
HP/LP gas reducer (1) and (2).

Refer to the installation manual delivered with the outdoor unit for
cautions on brazing pipes.

Keep the joint in a horizontal position, see view 

A

 in the figure

below.

Refer to 

"Pipe size selection and cutting position of joints." on

page 10

 for the cutting requirements.

Outdoor 
unit (Hp)

Pipe 1 

L(mm)

Pipe 2 

L(mm)

Pipe 3 

L(mm)

Pipe 4 

L(mm)

Pipe 5 

L(mm)

Pipe 6 

L(mm)

34

212

199

164

168

102

244

36+38 212

195

164

168

168

244

40

212

195

160

168

168

232

42

212

195

164

168

168

244

44~48

212

195

160

168

168

232

Outdoor unit

Joint (angle of 90°) (field supply)

Joint 1

B (mm)

Joint 2

B (mm)

Joint 3

B (mm)

34 Hp

29

23 

23 

36+38 

Hp

29 29 23 

40 Hp

29 

29 

29 

42 Hp

29 

29 

23 

44~48 

Hp

29 29 29 

Outdoor 
unit (Hp)

Pipe 1

L (mm)

Pipe 2

L (mm)

Pipe 3 

L (mm)

Pipe 4 

L (mm)

Pipe 5

L (mm)

Pipe 6 

L (mm)

Pipe 7

L (mm)

34~40

217

206

176

97

73

233

64

42+44

217

200

176

97

97

233

64

46+48

217

200

170

97

97

221

52

Outdoor unit

Joint (angle of 90°) (field supply)

Joint 4

B (mm)

Joint 5

B (mm)

Joint 6

B (mm)

34~40 

Hp

23 17 17 

42+44 

Hp

23 23 17 

46+48 

Hp

23 23 23 

L

B

B

L

B

B

Suction gas 

reducer (1)

Unit A

Suction gas 

reducer (1)

Unit B

1

Connection to suction gas pipe 4 
(field supply)

2

Connection to suction gas 
joint (1)

3

Cutting position

4

Connection to suction gas pipe 5 
(field supply)

5

Connection to suction gas 
joint (2)

6

Connection to HP/LP gas pipe 4 
(field supply)

7

Connection to HP/LP gas 
reducer (1)

8

Connection to HP/LP gas pipe 5 
(field supply)

9

No cutting for 34~40 Hp

HP/LP gas 

reducer (2)

Unit A

HP/LP gas 

reducer (2)

Unit B

1

Suction gas joint (1)

2

HP/LP gas joint (1)

3

Joint 1 (angle of 90°) (field supply) refer to table 31 on page 14

4

Suction gas pipe (4) (field supply) refer to table 30 on page 14

5

Suction gas reducer (1)

6

HP/LP gas reducer (2)

7

Suction gas pipe (field supply) (select the pipe length on site)

8

Joint (4) (angle of 90°) (field supply) refer to table 33 on page 14

9

Suction gas pipe (1) (field supply) refer to table 30 on page 14

10

HP/LP gas pipe (1) (field supply) refer to table 32 on page 14

11

Suction gas accessory pipe (1) supplied with the outdoor unit

12

HP/LP gas accessory pipe (1) supplied with the outdoor unit

13

HP/LP gas pipe (4) (field supply) refer to table 32 on page 14

14

HP/LP gas reducer (1)

15

HP/LP gas pipe (field supply) (select the pipe length on site)

16

Joint (2) (angle of 90°) (field supply) refer to table 31 on page 14

34~48 Hp

1

2

3

34 Hp

36~48 Hp

4

5

3

8

3

9

42~48 Hp

7

6

3

34~48 Hp

7

40

°

2

1

A

29 28

34

33

32

31

28

30 28

26

27

27

15

7

5 6

18

17

19

14

20

25

24

23

22

21

16

15

5

2

6

1

4

3

7

12

11

10

9

8

14

13

A

0

°±

15

view

0

°±

15

Summary of Contents for BHFQ23P907

Page 1: ...INSTALLATION MANUAL BHFQ23P907 BHFQ23P1357 Outdoor unit multi connection piping kit...

Page 2: ...8 6 ID 31 8 ID 25 4 1 ID 31 8 ID 28 6 ID 28 6 ID 25 4 ID 19 1 ID 22 2 ID 25 4 1 ID 22 2 ID 19 1 ID 15 9 ID 19 1 ID 15 9 1 ID 19 1 ID 22 2 ID 25 4 OD 25 4 ID 28 6 1 ID 28 6 ID 31 8 OD 31 8 2 ID 19 1 ID...

Page 3: ...antities and specifications A 1 0 15 view B 1 view 120 mm 500 mm When installing the multi outdoor system connect the units as shown in the figure below If installed in a different order the outdoor u...

Page 4: ...28 6x1 0 1 2H 22 2x1 0 1 2H 15 9x1 0 O 20 22 Hp 28 6x1 0 1 2H 28 6x1 0 1 2H 15 9x1 0 O 24 Hp 34 9x1 21 1 2H 28 6x1 0 1 2H 15 9x1 0 O 26 32 Hp 34 9x1 21 1 2H 28 6x1 0 1 2H 19 1x1 0 1 2H Total capacity...

Page 5: ...it 50 and connect the HP LP gas reducer 2 see view A in the figure below Refer to Pipe size selection and cutting position of the joint on page 3 for the cutting requirements Outdoor unit Pipe 1 L mm...

Page 6: ...n the outdoor and indoor unit All piping must be executed according to instructions in the installation manual of the outdoor unit and an air tight test must be performed after complete installation o...

Page 7: ...6 has been taken into account If dimension B of the angled joint you use is different from that dimension B adjust the L dimension of HP LP gas pipes 1 5 accordingly Table 15 Table 16 1 Liquid joint 3...

Page 8: ...the figure Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes Refer to Pipe size selection and cutting position of the joint on page 3 for the cutting requi...

Page 9: ...e type without stoppers If dimension B of the angled joint you use is different from that dimension B and or if the joints for same diameter pipes have stopppers adjust the L dimension of suction gas...

Page 10: ...igure below Bend the field supplied liquid pipe up to the stop valve as shown in the figure below Refer to the installation manual delivered with the outdoor unit for cautions on brazing pipes Refer t...

Page 11: ...page 5 6 Liquid reducer 1 7 Liquid pipe 2 field supply select the pipe length on site 8 Equalizer pipe field supply select the pipe length on site 9 Liquid accessory pipe 2 supplied with the outdoor...

Page 12: ...ction gas pipes only For L dimension of suction gas pipes 1 3 dimension B of the field supplied angled joint as in table 25 on page 11 has been taken into account If dimension B of the angled joint yo...

Page 13: ...80 67 262 59 42 44 Hp 80 97 262 59 46 48 Hp 80 97 256 47 Outdoor unit Joint angle of 90 field supply B mm 34 44 Hp 17 46 48 Hp 23 Suction gas reducer 1 Unit A Suction gas reducer 1 Unit B 1 Connectio...

Page 14: ...joint 1 3 Cutting position 4 Connection to liquid joint 2 5 No cutting for 34 Hp 1 Liquid pipe accessory 1 supplied with the outdoor unit 2 Liquid pipe field supply select the pipe length on site 3 Li...

Page 15: ...168 168 244 44 48 212 195 160 168 168 232 Outdoor unit Joint angle of 90 field supply Joint 1 B mm Joint 2 B mm Joint 3 B mm 34 Hp 29 23 23 36 38 Hp 29 29 23 40 Hp 29 29 29 42 Hp 29 29 23 44 48 Hp 29...

Page 16: ...oint 5 angle of 90 field supply refer to table 33 on page 14 22 Suction gas pipe 2 field supply refer to table 30 on page 14 23 HP LP gas pipe 2 field supply refer to table 32 on page 14 24 Suction ga...

Page 17: ...and 3 and HP LP gas reducer 2 and 3 Be sure to foresee enough space for brazing and piping work under the unit 1 Liquid pipe 3 Suction gas pipe 2 HP LP gas pipe 4 Equalizer pipe Suction gas accessory...

Page 18: ...HP LP gas accessory pipe 1 supplied with the outdoor unit 8 HP LP gas reducer 1 9 Suction gas reducer 2 10 HP LP gas pipe field supply select the pipe length on site 11 HP LP gas reducer 3 12 HP LP ga...

Page 19: ...NOTES NOTES...

Page 20: ...Zandvoordestraat 300 B 8400 Oostende Belgium Copyright Daikin 4PW38477 1...

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