APC IN ROW RD ACRD101 Specifications download pdf (Page 19)

11InRow Air Cooled RD Installation

Refrigeration Piping Diagram

Note: Shutoff valves shown nearest to the condensers are not supplied by APC.

Note: Route piping through the top or bottom of the InRow RD.

Note: All lines are Type L ACR copper tubing.

Note: Trap the vertical discharge line every 6 m (20 ft) to ensure proper oil return.

Note: Change the size of the pipe after the P-trap. See the piping diagram created for your

site.

Note: The maximum piping run is 61 m (200 ft) equivalent length. Size the piping pursuant

to accepted refrigeration practice.

Warning: Do not install the air-cooled condenser below the InRow RD. The condenser

must be positioned above or at the same level as the InRow RD to ensure proper

function.



Pitch in direction of refrigerant flow; 4 mm per m

(1/2-in per 10 ft)

Check valve



Reduction of piping diameter for vertical piping run

(if necessary)

P-trap



Schrader valve S-trap

Shutoff valves Inverted P-trap

Head pressure control valve

na2543a

Receiver

Bottom piping Top piping

Condenser

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APC IN ROW RD ACRD101 Specifications Page 19