Water Connection

Refer to General Specifications for water supply information.

Rigid pipe connections are not recommended.

Connections should be supplied by a hot and a cold water line of at least the sizes shown in the Water Supply Line Sizing table. Installation of additional machines will require proportionately larger water lines. Refer to Table 7.

Water Supply Line Sizing

Number of Machines

 

Supply Line Size

 

 

 

1

 

3/4 in. (19 mm)

 

 

 

2

 

1 in. (25 mm)

 

 

 

3

 

1-1/4 in. (32 mm)

 

 

 

4

 

1-1/2 in. (38 mm)

 

 

 

5

 

1-1/2 in. (38 mm)

 

 

 

6 – 10

 

2 in. (50 mm)

 

 

 

Table 7

 

To connect water service to machine with rubber hoses, use the following procedure:

1.Before installing hoses, flush the water system for at least two minutes.

2.Check filters in the machine’s inlet hoses for proper fit and cleanliness before connecting.

3.Hang hoses in a large loop; do not allow them to kink.

If additional hose lengths are needed, use flexible hoses with screen filters.

Each hose is connected to a hot or cold water faucet with a 3/4 inch hose bib.

Install vacuum breakers and check valves when required by local codes.

Installation

Y041I

13/4 in. Cold Water Supply Line

21/2 in. Faucet Lines

Figure 7

Install a screen filter in each hose to keep rust and other foreign particles out of the solenoid valves.

Suitable air cushions should be installed in supply lines to prevent “hammering” (Figure 8).

Y042I

1Water Supply Faucets

2Risers (Air Cushions)

Figure 8

F232212

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