Samsung MXJ-YA1509 Series Installation Manual page 44

2. 2.
Preparation for installation Preparation for installation
Problem analysis Problem analysis
Selecting ø22.23 copper pipe, and 10mm insulation as Selecting ø22.23 copper pipe, and 10mm insulation as
 
shown in the picture. shown in the picture.
Consequence Consequence
Low insulation effect cause large energy consumption and Low insulation effect cause large energy consumption and
 
decrease in system performance. decrease in system performance.
Condensation will easily form and leakage may occur Condensation will easily form and leakage may occur
 
when performing heating operation in regions with high when performing heating operation in regions with high
temperature and humidity. temperature and humidity.
Standard procedure Standard procedure
Insulation material and quality must meet the minimum Insulation material and quality must meet the minimum
 
standard thickness requirements. standard thickness requirements.
Good installation will prevent condensation a Good installation will prevent condensation and
 
guarantee air conditioning performance.
guarantee air conditioning performance.
Proper method Proper method
Follow the below specification strictly and aware of the Follow the below specification strictly and aware of the
 
Minimum thickness requirements. Minimum thickness requirements.
Pipe size [mm] Pipe size [mm]
Ø6.35~19.05 Ø6.35~19. 05
Ø22.23~31.75 Ø22.23~31.75
Ø38.10 Ø38.10
Ø44.45~ Ø44.45~
The thickness The thickness of of insulation
 
high hu high humid conditions mid conditions (over th
below place below place
Tropical / Subtropical regions or equivalent with this Tropical / Subtropical regions or equivalent with this
- -
region region
The The region region where where problems
- -
and humidity are expected and humidity are expected
- - Restaurant, hot spring, sauna, basement, seaside Restaurant, hot spring, sauna, basement, seaside
- - Ceiling inside with high humidi Ceiling inside with high humidity due to weak ventilation
44 44
Minimum thickness of insulation [mm] Minimum thickness of insulation [mm]
PE foam PE foam EPDM EPDM foam
13 13
19 19
25 25
32 32
insulation must must be be increased increased in in case
(over than 27 an 27°C and °C and RH
problems due due to to high high temperature
ty due to weak ventilation
nd
foam
10 10
13 13
19 19
25 25
case of of
RH 80%) 80%) like like
temperature