(3) Routing the pipe through the bottom
(1) Braze item
7
high-pressure pipe to the stop valve so that the
dimples on the pipe are parallel to the edge of the cutout hole.
Expand the end of the field-supplied pipes, and braze them
to item
7
high-pressure pipe.
(2) Attach item
1
low-pressure twinning kit to the sheet metal of the
control valve with item
3
screw, and braze it to the control valve.
(3) Braze item
5
or
6
elbow pipe to the field-supplied pipe first,
and then braze it to item
1
low-pressure twinning kit.
(4) Flare the field-supplied pipe end, and braze the pipe to the
low-pressure pipe in the middle.
(5) Wrap the pipe in front of item
1
low-pressure twinning kit with item
9
pipe cover, and attach compressor cables to item
9
pipe cover with
item
M
cable tie to keep them out of direct contact with the pipes.
Twinning pipe on the high-pressure side
±
15
˚
Slope of the twinning pipe is at an angle within
±
15˚ to the horizontal plane.
Note. Refer to the figure below for the installation position of the twinning pipe.
3
(4) Routing the pipe through the front
(1) Braze item
8
high-pressure pipe to the control valve.
(2) Attach item
1
low-pressure twinning kit to the sheet metal of the
control valve with item
3
screw, and braze it to the control valve.
(3) Braze item
5
or
6
elbow pipe to the field-supplied pipe first,
and then braze it to item
1
low-pressure twinning kit.
(4) Braze either item
4
or
5
elbow pipe to the low-pressure pipe in
the middle.
(5) Wrap the pipe in front of item
1
low-pressure twinning kit with
item
9
pipe cover, and attach compressor cables to item
9
pipe
cover with item
M
cable tie to keep them out of direct contact
with the pipes.
1
3
5
,
6
Field-supplied pipes
Field-supplied
pipes
Connect the pipe so that the
dimples on the
7
high pressure
pipe are on an imaginary line
parallel to the edge of the
cutout hole.
9
Wrap the pipe cover here.
Attach compressor cables to
Pipe cover with Cable tie
to keep them out of direct
contact with the pipes.
1
3
5
,
6
4
,
5
8
Field-supplied pipes
9
Wrap the pipe cover here.
Attach compressor cables to
Pipe cover with Cable tie
to keep them out of direct
contact with the pipes.
· Before heating the pipes, place a wet towel on the control valve to
keep its temperature below 120 ˚C [248˚F].
· Direct the flame away from the cables and sheet metals inside the
unit so as not to burn them.
CAUTION
· Before heating the pipes, place a wet towel on the control valve to
keep its temperature below 120 ˚C [248˚F].
· Direct the flame away from the cables and sheet metals inside the
unit so as not to burn them.
CAUTION
(2) Low-pressure twinning kit in CMY-R100VBK
Use either
F
or
G
in table 1,(1) Package Contents
depending on the size of the pipe at the control valve on
the unit to be combined with. Attach items
H
,
I
, and
J
to the stop valve sheet metal and then to the low-pressure
twinning kit to hold it into place.
1. Attach item
J
to the stop valve sheet metal.
2. Attach the packing and saddle.
3. Secure the low pressure twinning kit.
F
or
G
1
H
,
I
,
J
3
3
Section to be brazed field-supplied
Stop valve
(5) Slope of twinning pipes (high-pressure side only)
Make sure the slope of the twinning pipes are at an angle
within ±15˚ to the horizontal plane.
If the slope exceeds the specified angle, the unit may be
damaged.
