Installation manual
13
BHF1357
Outdoor unit multi connection piping kit
4PW38477-1
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 11
■
Keep the joint in a horizontal position, see view
A
in the figure
below.
■
Connect the liquid reducer (1) in an angle of 40° and bend the
field supplied liquid pipe up to the stop valve as shown in 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 joints." on
for the cutting requirements.
5. A
FTER
CONNECTION
OF
THE
PIPING
Follow the instructions in the paragraph
.
I
N
CASE
OF
LOWER
FRONT
PIPING
1. E
XTERIOR
2. D
IMENSIONS
FOR
INSTALLATION
Dimensions for standard installation
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
1
Liquid pipe accessory (1) supplied with the outdoor unit
2
Liquid pipe (field supply) (select the pipe length on site)
3
Liquid joint (1)
4
Equalizer pipe (1) (field supply) refer to table 28 on page 12
5
Liquid reducer (1)
6
Joint (angle of 90°) (field supply) refer to table 29 on page 12
7
Equalizer pipe (2) (field supply) refer to table 28 on page 12
8
Equalizer pipe (field supply) (select the pipe length on site)
9
Equalizer accessory pipe (1) supplied with the outdoor unit
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
1
2
1
4
5
34~48 Hp
3
36~48 Hp
3
4
9
6 7
40
°
7
3
8 2
13
A
2
1
A
view
4
9
7
6
11
5
10
12
2
7 8 9
6
4
2
5
3
0
°±
15
1
Liquid joint (1)
5
Equalizer pipe
2
HP/LP gas joint (1)
6
Liquid joint (2)
3
To indoor unit
7
HP/LP gas joint (2)
4
Suction gas joint (1)
8
Suction gas joint (2)
1
Liquid pipe
2
Suction gas pipe
3
HP/LP gas pipe
4
Equalizer pipe
5
Bottom frame
NOTE
When the dimensions exceed these of the standard
installation, extend the pipes between the outdoor unit
and the joint accordingly (field supply).
A
A
3
2
1
7
8
6
4
5
A
A
A
A
5
5
121
167
186
260
2
69
109
A
detail
1 2
3
4 5
181
148
152
198
