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Piping System Information
Due to our policy of continuous product innovation, some specifications may change without notification.
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Piping Connections
Table 11: Split Rooftop Unit Pipe Connections.
Figure 22: Split Rooftop Unit Piping Connection Dimensions.
PIPING CONNECTIONS
Nominal
Tons
Model Name
Liquid Line
High Pressure Gas Line
Low Pressure Gas Line
Dia
(in.) Connection
A
(in.)
B
(in.)
Dia
(in.) Connection
A
(in.)
B
(in.)
Dia
(in.) Connection
A
(in.)
B
(in.)
6
ARUN723DDA4 3/8
Brazed
5-1/32 17 1/8 5/8
Brazed 5 1/32 19 7/8 3/4
Brazed
5 1/32 23 7/32
5
ARUN603DDA4 3/8
Brazed
5-1/32 17 1/8 5/8
Brazed 5 1/32 19 7/8 3/4
Brazed
5 1/32 23 7/32
4
ARUN483DDA4 3/8
Brazed
5-1/32 17 1/8 1/2
Brazed 5 1/32 19 7/8 3/4
Brazed
5 1/32 23 7/32
3
ARUN363DDA4 3/8
Brazed
5-1/32 17 1/8 1/2
Brazed 5 1/32 19 7/8 3/4
Brazed
5 1/32 23 7/32
Figure 23: Split Rooftop Unit Refrigerant Piping Connections.