Piping Connections - LG MULTI V ARNU363DDB4 Installation Manual

PIPING CONNECTIONS

Piping Connections
Figure 24: Split Rooftop Unit Piping Connection Dimensions.
Table 14: Split Rooftop Unit Pipe Connections (Heat Recovery Model).
Nominal
Model Name
Tons
(in.)
6 ARUN723DDA4
5 ARUN603DDA4
4 ARUN483DDA4
3 ARUN363DDA4
Table 15: Split Rooftop Unit Pipe Connections (Heat Pump Model).
Nominal
Model Name
Tons
Dia (in.) Connection A (in.)
6 ARUN723DDB4
5 ARUN603DDB4
4 ARUN483DDB4
3 ARUN363DDB4
40
Liquid Line
Dia 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
Liquid Line
3/8 Brazed 5-1/32
3/8 Brazed 5-1/32
3/8 Brazed 5-1/32
3/8 Brazed 5-1/32
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High Pressure Gas Line
Dia A
Connection
(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
Gas Line
B (in.) Dia (in.) Connection
17-1/8 5/8 Brazed
17-1/8 5/8 Brazed
17-1/8 1/2 Brazed
17-1/8 1/2 Brazed
Low Pressure Gas Line
B Dia A
Connection
(in.) (in.) (in.)
3/4 Brazed 5-1/32
3/4 Brazed 5-1/32
3/4 Brazed 5-1/32
3/4 Brazed 5-1/32
A (in.) B (in.)
5-1/32 23-7/32
5-1/32 23-7/32
5-1/32 23-7/32
5-1/32 23-7/32
B
(in.)
23-7/32
23-7/32
23-7/32
23-7/32