Selecting The Best Location / Clearance Requirements For The Heat Recovery Unit(S) - LG ARUM072BTE5 Installation Manual

PLACEMENT CONSIDERATIONS

Selecting the Best Location / Clearance Requirements for the Heat Recovery Unit(s)

Heat recovery units are for use with systems designed for heat recovery operation only.
Select an installation space for the heat recovery unit that meets the following conditions:
• Install the heat recovery unit indoors in a level and upright position.
• Ensure there is enough space in the installation area for service access.
• Install the heat recovery unit in a location where any sound it may generate will not disturb occupants in the surrounding rooms.
• Install the refrigerant piping and electrical wiring system in an easily accessible location.
Dont's
• Refrigerant pipes must not exceed lengths specified by LG Electronics.
• Do not install the heat recovery unit in a location where it would be subjected to strong radiation heat from heat sources.
• Avoid an installation environment where oil splattering or vapor spray may occur.
• Avoid an installation environment where high-frequency electric noise could occur.
• Condensate drain piping is not required.
Dimensions for Heat Recovery Units.
18-15/16
Cap the pipes at the end of
series-connected branches
of heat recovery units.
17-3/4
4-7/8
6
2-7/16
16-1/2
6-7/8
36
7
1
2
3
Inspection door
1
(servicing space)
4 5
5-7/16
17-7/8 6-7/8
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Minimum Service Clearances for Heat Recovery Units.
11-13/16
more
Servicing space
11-13/16
more
Servicing space
2
Table 16: Heat Recovery Unit Parts.
Tag
Part Name
No.
Low pressure vapor pipe
1
connection port
High pressure vapor pipe
2
connection port
Liquid pipe connection
3
port
Indoor unit vapor pipe
4
connection port
Indoor unit liquid pipe
5
connection port
6 Control box
7 Hanger bracket
Locate the inspection door at the control box side of the heat recovery
1
unit.
If reducers are used, space for service access must be increased to
2
match the dimensions of the reducer.
3-15/16 more
(Servicing space)
11-13/16
more
Servicing space
3-15/16 more
(Servicing space)
17-3/4
more
Servicing space
2
Connection Size(in.)/Type
PRHR022A PRHR032A PRHR042A
7/8 Braze 1-1/8 Braze 1-1/8 Braze
3/4 Braze 7/8 Braze 7/8 Braze
3/8 Braze 1/2 Braze 5/8 Braze
5/8 Braze 5/8 Braze 5/8 Braze
3/8 Braze 3/8 Braze 3/8 Braze
– –
3/8 or 5/16 3/8 or 5/16 3/8 or 5/16
–