Samsung MXJ-YA1509 Series Installation Manual page 56

3. 3.
Guideline for each installation process Guideline for each installation process
4-3. Insulating the Pipe, the Branch Pipe and the Header 4-3. Insulating the Pipe, the Branch Pipe and the Header
Insulating the pipe Insulating the pipe
1) 1)
(1) To block off external air, insulate the pipe with insulation material. (1) To block off external air, insulate the pipe with insulation material.
(2) Insert the insulation material into the pipe and use a special EPDM glue to finish it. (2) Insert the insulation material into the pipe and use a special EPDM glue to finish it.
Materials Materials
Essential Points Essential Points
of Thermal of Thermal
Insulation Insulation
Example Example of of incorrect incorrect work
Gas and liquid piping should Gas and liquid piping should
not be insulated together not be insulated together
Jointed areas must also be Jointed areas must also be
thoroughly insulated thoroughly insulated
The The thermal thermal insulation
withstand the heat from the pipes. withstand the heat from the pipes.
Example : Example :
Heat pump type: Heat resistant polyethylene foam (heat resistance of at Heat pump type: Heat resistant polyethylene foam (heat resistance of at
least 120°C) least 120°C)
Cooling only: Polyethylene foam (heat resistance of 100°C or more) Cooling only: Polyethylene foam (heat resistance of 100°C or more)
The insulation of jointed areas such as the soldered, flared or flanged The insulation of jointed areas such as the soldered, flared or flanged
sections should only be carried out after the successful completion of the a sections should only be carried
tight test. tight test.
Attention should be paid to the unit model and its operating conditions since Attention should be paid to the unit model and its operating conditions since
there are occasions when the gas and liquid pipes also need to be thermally there are occasions when the gas and liquid pipes also need to be thermally
insulated. insulated.
work
Insulation of gas pipe only Insulation of gas pipe only
insulation materials materials which which are
out after the successful completion of the air ir
Example of of correct Example
Insulation of both gas and Insulation of both gas and
l l i i u u i i d d i i e e o o n n l l
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are used used must must be be well
correct work work
Insulation of support brackets Insulation of support brackets
well able able to to