Installation manual
15
BHF1357
Outdoor unit multi connection piping kit
4PW38477-1
4. I
NSTALLATION
OF
LIQUID
PIPES
AND
EQUALIZER
PIPES
Cutting the field supplied equalizer pipes
Use the following tables for standard installation (refer to
"Dimensions for installation" on page 13
If dimensions differ from standard installation, adjust the L dimension
of the equalizer pipes 1 and 2 accordingly.
For L dimension of equalizer pipes 1 and 2, dimension B of the field
supplied angled joint as in table 29 on page 12 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 the equalizer pipes 1 and
2 accordingly.
Table 34
Cutting liquid reducer (1)
Connection piping
■
Connect the liquid pipes and equalizer pipes as shown in the
figure below.
Before connecting the pipes, first connect the liquid joint and the
liquid reducer (1).
■
Refer to
"Dimensions for installation" on page 13
■
Keep the joint in a horizontal position as shown in view A in the
figure below
■
Connect the liquid reducer (1) in an angle of ±90° and bend the
field supplied liquid pipe up to the stop valve as shown in the
figure, see view A.
■
Refer to the installation manual delivered with the outdoor unit
for cautions on brazing pipes.
■
Refer to
"Pipe size selection and cutting position of joints." on
for the cutting requirements.
2. A
FTER
CONNECTION
OF
THE
PIPING
Follow the instructions on
"2. After connection of the piping" on
.
17
Suction gas pipe (5) (field supply) refer to table 30 on page 14
18
Suction gas joint (2)
19
HP/LP gas joint (2)
20
HP/LP gas pipe (5) (field supply) refer to table 32 on page 14
21
Joint (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 gas accessory pipe (2) supplied with the outdoor unit
25
HP/LP gas accessory pipe (2) supplied with the outdoor unit
26
Suction gas pipe (6) (field supply) refer to table 30 on page 14
27
Joint (3) (angle of 90°) (field supply) refer to table 31 on page 14
28
Joint (6) (angle of 90°) (field supply) refer to table 33 on page 14
29
HP/LP gas pipe (7) (field supply) refer to table 32 on page 14
30
HP/LP gas pipe (6) (field supply) refer to table 32 on page 14
31
Suction gas pipe (3) (field supply) refer to table 30 on page 14
32
HP/LP gas pipe (3) (field supply) refer to table 32 on page 14
33
Suction gas accessory pipe (3) supplied with the outdoor unit
34
HP/LP gas accessory pipe (3) supplied with the outdoor unit
Equalizer pipe
Pipe 1 (L mm) Pipe 2 (L mm)
65
120
Liquid reducer (1)
Unit A
Liquid reducer (1)
Unit B
1
Connection to liquid pipe
(field supply)
2
Connection to liquid joint (1)
3
Cutting position
4
Connection to liquid joint (2)
5
No cutting for 34 Hp
L
1
2
1
4
5
34~48 Hp
3
36~48 Hp
3
1
Liquid joint (1)
2
Liquid reducer (1)
3
Joint (angle of 90°) (field supply) refer to table 29 on page 12
4
Equalizer pipe (field supply) (select the pipe length on site)
5
Equalizer pipe (2) (field supply) refer to table 34 on page 15
6
Liquid accessory pipe (1) supplied with the outdoor unit
7
Liquid pipe (field supply) (select the pipe length on site)
8
Equalizer accessory pipe (1) supplied with the outdoor unit
9
Equalizer pipe (1) (field supply) refer to table 34 on page 15
10
Liquid joint (2)
11
Equalizer joint
12
Liquid pipe accessory (2) supplied with the outdoor unit
13
Liquid pipe accessory (3) supplied with the outdoor unit
90
°
5
1
A
9 8
3 5
4
7
13
7
12
2
11
3
5
10
9
8
7
6
9
8
2
7
4
3
5
1
A
0
°±
15
view
