LG ZRUM080LTS6 Installation Manual page 14

14
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.
2 port / 3port / 4 port HR unit
500 (19-11/16)
500 (19-11/16)
157 (6-3/16)
486 (19-9/64)
300 (11-12/16) more
(Servicing space)
300 (11-12/16) more
(Servicing space)
127 (5)
6
92 (3-5/8) 390 (15-23/64)
[Unit: mm(inch)]
7
Inspection door
(servicing space)
157 (6-3/16)
2
3
1
100 (3-15/16) more
Servicing space)
300 (11-12/16) more
(Servicing space)
100 (3-15/16) more
Servicing space)
450 (17-23/32) more
(Servicing space)
4
5
205 (8-5/64)
6 port / 8 port HR unit
809 (31-27/32)
800 (31-1/2)
160 (6-19/64)
793 (31-7/32)
300 (11-12/16) more
(Servicing space)
300 (11-12/16) more
(Servicing space)
126 (4-61/64)
6
92 (3-5/8) 389 (15-5/16)
No. Part Name
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
Liquid pipe connection
3
connection port (In a type of 3 port HR
unit, use Ø12.7 (1/2))
Indoor unit Gas pipe Ø 15.88 (5/8) – Ø 12.7 (1/2)
4
connection port Brazing connection
Indoor unit Liquid pipe Ø 9.52 (3/8) – Ø 6.35 (1/4)
5
connection port Brazing connection
6 Control box
Suspension bolt M10
7 Hanger metal
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.
[Unit: mm(inch)]
7
Inspection door
(servicing space)
2
3
1
160 (6-19/64)
100 (3-15/16) more
(Servicing space)
300 (11-12/16) more
(Servicing space)
100 (3-15/16) more
(Servicing space)
450 (17-23/32) more
(Servicing space)
4
5
207 (8-5/32)
[Unit: mm(inch)]
Type of HR unit
3 port / 4 port
2 port
6 port / 8 port
Description
Ø 22.2 (7/8) Brazing
connection
Ø 19.05 (3/4) Brazing
connection
Ø 9.52 (3/8) Brazing
connection
Ø 15.88 (5/8) – Ø 12.7 (1/2)
Brazing connection
Ø 9.52 (3/8) – Ø 6.35 (1/4)
Brazing connection
- -
Suspension bolt
M10 or M8