Samsung MXJ-YA1509 Series Installation Manual page 62

3. 3.
Guideline for each installation process Guideline for each installation process
Header joint Header joint
 
① ① Select the reducer fitted on the diameter of the pipe. Select the reducer fitted on the diameter of the pipe.
② ②
Braze the pipes ends with caps if the number of connected indoor unit is fewer than header Braze the pipes ends with caps if the number of connected indoor unit is fewer than header
joint ports. joint ports.
Cautions Cautions
Install the header joint horizontally.
③ ③ Install the header joint horizontally.
- Install the header - Install the header joint horizontally so that it is not faci
Note Note
< < Liquid Liquid side side > >
• • When using A~J type of header joint, connect the header joint to When using A~J type of header joint, connect the header joint to
the pipe with provided reducer. the pipe with provided reducer.
When using K~Z type of header joint, connect the header joint to When using K~Z type of header joint, connect the header joint to
• •
the pipe by cutting the provided reducer properly. the pipe by cutting the provided reducer properly.
Connect the header joint in order respecting the number of the indoor unit. Connect the header joint in order respecting the number of the indoor unit.
• •
Connect the indoor unit as the highest capacity comes first. Connect the indoor unit as the highest capacity comes first.
• •
joint horizontally so that it is not facing down.
< < Liquid Liquid side side > >
Incorrect installation of Y-joint and header joint cause poor oil and refrigerant distribution Incorrect installation of Y-joint and header joint cause poor oil and refrigerant distribution
between indoor units. between indoor units.
It may decrease the system's performance or cause compressor failure. It may decrease the system's performance or cause compressor failure.
< < Gas Gas side side > >
ng down.
< < Gas Gas side
62 62
side > >