LG MULTI V 5 ARUM160LTE5 Installation Manual page 8

8
• Avoid unit installation in a place where acidic solution and spray
(sulfur) are often used.
• Do not use unit under any special environment where oil, steam and
sulfuric gas exist.
• It is recommended to fence round the outdoor unit in order to
prevent any person or animal from accessing the outdoor unit.
• If installation site is area of heavy snowfall, then the following
directions should be observed.
- Make the foundation as high as possible.
- Fit a snow protection hood.
• Select installation location considering following conditions to avoid
bad condition when additionally performing defrost operation.
- Install the outdoor unit at a place well ventilated and having a lot of
sunshine in case of installing the product at a place With a high
humidity in winter (near beach, coast, lake, etc.)
(Ex : Rooftop where there is always sunshine.)
For Heat Recovery Installation
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.
481 (18-15/16)
450 (17-23/32)
174
(6-27/32)
453 (17-27/32)
7
1
2
3
Inspection door
(servicing space)
174
(6-27/32)
More than 100 (3-15/16)
(Servicing space)
More than
300 (11-13/16)
(Servicing space)
More than
300 (11-13/16)
(Servicing space)
124 (4-7/8)
419 (16-1/2)
61
6
(2-13/32)
No. Part Name
PRHR042, PRHR042A
PRHR032, PRHR032A
Low pressure Gas Ø 28.58 (1-1/8)
1
pipe connection port Brazing connection
High pressure Gas Ø 22.2 (7/8) Brazing
2
pipe connection port connection
Ø 15.88 (5/8) Brazing
connection (PRHR042,
PRHR042A)
Liquid pipe
3
connection port
Ø 12.7 (1/2) Brazing
connection (PRHR032,
PRHR032A)
Indoor unit Gas pipe Ø 15.88 (5/8) Brazing
4
connection port connection
Indoor unit Liquid Ø 9.52 (3/8) Brazing
5
pipe connection port connection
6 Control box -
7 Hanger metal M10 or M8
NOTE
!
• Be sure to install the inspection door at the control box side.
• If reducers are used, servicing space must be increased equal to
reducer's dimension.
More than 100 (3-15/16) More than 100 (3-15/16) More than 100 (3-15/16)
(Servicing space) (Servicing space) (Servicing space)
More than
300 (11-13/16)
(Servicing space)
More than 100 (3-15/16) More than 100 (3-15/16) More than 100 (3-15/16)
(Servicing space) (Servicing space) (Servicing space)
More than
450 (17-23/32)
(Servicing space)
4 5
137
(5-13/32)
[Unit: mm(inch)]
Description
PRHR022, PRHR022A
Ø 22.2 (7/8) Brazing
connection
Ø19.05 (3/4) Brazing
connection
Ø 9.52 (3/8) Brazing
connection
Ø 15.88 (5/8) Brazing
connection
Ø 9.52 (3/8) Brazing
connection
-
M10 or M8