Piping Connections - LG MULTI V ARNU363DDA4 Installation Manual

Piping Connections

Figure 22: Split Rooftop Unit Piping Connection Dimensions.
Table 11: Split Rooftop Unit Pipe Connections.
Nominal
Model Name
Dia
Tons
(in.)
6 ARUN723DDA4
5 ARUN603DDA4
4 ARUN483DDA4
3 ARUN363DDA4
Figure 23: Split Rooftop Unit Refrigerant Piping Connections.
Liquid Line
A B
Connection
(in.) (in.)
3/8 Brazed 5-1/32 17 1/8
3/8 Brazed 5-1/32 17 1/8
3/8 Brazed 5-1/32 17 1/8
3/8 Brazed 5-1/32 17 1/8
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PIPING CONNECTIONS
High Pressure Gas Line
Dia A B
Connection
(in.) (in.) (in.)
5/8 Brazed 5 1/32 19 7/8
5/8 Brazed 5 1/32 19 7/8
1/2 Brazed 5 1/32 19 7/8
1/2 Brazed 5 1/32 19 7/8
Low Pressure Gas Line
Dia A
Connection
(in.) (in.)
3/4 Brazed 5 1/32 23 7/32
3/4 Brazed 5 1/32 23 7/32
3/4 Brazed 5 1/32 23 7/32
3/4 Brazed 5 1/32 23 7/32
B
(in.)
37