Emerson Liebert ICOM-DO Installation Manual download pdf (Page 38)

Refrigerant Connections

7.2.1 General layout

Figure 29 Recommended piping diagram

1. Piping must be Type ACR copper tubing.

The diameter required is stated in Figures 29 and 30.

Use the shortest possible refrigeration pipelines to minimize the total charge of refrigerant and

the number of pressure drops.

2. Minimize the number of bends and make the bends the largest radius practical to prevent

constricting refrigerant flow.

3. Insulate the piping as specified in Table 8. If the pipes are installed next to electrical cables, they

must be from isolated from the building using vibration-isolating supports to avoid damage to

cable insulation.

4. There must be at least one inch (25mm) separation between the gas and liquid pipelines. If this is

not possible, insulate both lines.

5. Support both horizontal and vertical pipes with vibration-damping clamps, which include rubber

gaskets. Place these clamps every 5 to 7 ft. (1.5 to 2m).

NOTE

All field-installed piping must comply with applicable local, state and federal codes.

Numbers refer

to steps below

Condenser

Step 2

Step 1

Step 3

Step 4

Liebert CRV

Refer to Table 8 for relative

position of the Liebert CRV

and the condenser.

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 87 88

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Emerson Liebert ICOM-DO Installation Manual Page 38