LG PRHR Series, Installation Manual, Page: 5 / 15

Installation Manual 5
ENGLISH
Installation
Installation
n
Select installation location of the HR unit suitable for following conditions
• Avoid a place where rain may enter since the HR unit is for indoor.
• Sufficient service space must be obtained.
• Refrigerant pipe must not exceed limited length.
• Avoid a place subject to a strong radiation heat from other heat source.
• Avoid a place where oil spattering, vapor spray or high frequency electric noise is expected.
• Install the unit at a place in which it is not affected by operation noise. (Installation within cell such as meeting
room etc. may disturb business due to noise.)
• Place where refrigerant piping, drain piping and electrical wiring works are easy.
NOTES
* Be sure to install the inspection door at the electric control side.
** If reducers are used, servicing space must be increased equal to reducer's dimension.
Selection of the best location
Dimensional drawings
(*) Inspection door
(servicing space)
481
345
453 (174)
218
182
60
30
182
(174)
419 61 (137)
124
450
450
300 more
(**)(Servicing space)
300 more
(**)(Servicing space)
450 more
(Servicing space)
300 more
(**)(Servicing space)
7
1
2
3
6
4 5
100 more1
0
0
m
o
re
(Servicing space)(S
e
rv
ic
in
g
s
p
a
c
e
)
100 more
(Servicing space)
100 more1
0
0
m
o
re
(Servicing space)(S
e
rv
ic
in
g
s
p
a
c
e
)
100 more
(Servicing space)
(Unit: mm)
No. Part Name
Description
PRHR041/031 PRHR021
1 Low pressure Gas pipe connection port Ø28.58 Brazing connection Ø22.2 Brazing connection
2 High pressure Gas pipe connection port Ø22.2 Brazing connection Ø19.05 Brazing connection
3 Liquid pipe connection port
Ø15.88 Brazing connection(PRHR041)
Ø12.7 Brazing connection(PRHR031)
Ø9.52 Brazing connection
4 Indoor unit Gas pipe connection port Ø15.88 Brazing connection Ø15.88 Brazing connection
5 Indoor unit Liquid pipe connection port Ø9.52 Brazing connection Ø9.52 Brazing connection
6 Control box
7 Suspension bolts M10 or M8 M10 or M8