Service Clearances; Piping Connections - LG ARND DCR4 Series Installation Manual

Split compact dedicated outdoor air system (doas)
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INSTALLATION
Service Clearances / Piping Connections

Service Clearances

Allow service clearances as approximately indicated in the figures below. Refer to NEC and local for minimum clearances around the unit and
control panel. Follow local building codes for additional service clearance requirements.
Figure 9: Service Clearance Requirements - Isometric View.
Table 17: Service Clearance Dimensions.
Fan and Motor Assembly
Chassis Code
A1
DC
45.6

Piping Connections

Figure 11: Refrigerant Pipe Connection Dimensions.
Table 18: Refrigerant and Condensate Pipe Connection Dimensions.
Chassis Code
Liquid
DC
Dia.
ARND093DCR4
3/8
ARND153DCR4
1/2
ARND203DCR4
1/2
Pump Drain
Dia.1
Conn.
1 / ID
Plain
24
Controller, Cycle (HR), Filter
A2
B1
19.2
45.6
Refrigerant Pipe (Brazed)
High-Pressure Vapor
L2
L6
Dia.
L2
11.4
11
5/8
14.2
11.4
11
3/4
14.2
11.4
11
7/8
14.2
Condensate Pipe
Gravity Drain
L1
L5
Dia.3
Conn.
9.1
9.9
1 / OD
NPT
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.
Figure 10: Service Clearance Requirements - Top View.
Minimum Distance
B2
C
19.2
36
Figure 12: Condensate Pipe Connection Dimensions.
Low-Pressure Vapor
L6
Dia.
L2
11
3/4
17.5
11
1-1/8
17.5
11
1-1/8
17.5
L7
L8
13.6
0.8
L6
11
11
11

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