Water Connection

Separate hot and cold plumbing lines (3/4 inch pipe or larger) with individual shut-off valves must be provided. Hot water should be a minimum of 160°F. Best performance will be realized if water is provided at a pressure of 30-85 psi. Although the machine will function properly at a lower pressure, excessive fill times will occur.

Use flexible hoses or equivalent flexible lines. The hoses should hang in a large loop. Do not allow to kink.

Flush the water system and check filters in machine inlet hoses for proper fit and cleanliness before connecting.

The UW50 has a total of four hose connections. Each pair of hoses is connected to a hot and cold water faucet with a 3/4 inch hose bib. Each machine requires incoming water connections as follows:

Four 3/4 inch faucets with 3/4 inch hose bib connected to two 3/4 inch hot water faucet lines and two 3/4 inch cold water faucet lines.

1

Y041I

2

Y041I

13/4 in. Cold Water Supply Line

23/4 in. Faucet Lines

Figure 9

Installation

Each of the hoses should have a screen filter installed to keep rust and other foreign particles out of the solenoid valves. These connections should be supplied by a hot and a cold water line at least 3/4 inch size for each. Installation of additional washers will require proportionately larger water lines. Refer to Table 3. Suitable air cushions should be installed in supply lines to prevent “hammering.” If the water pressure is above 60 psi, flexible copper tubing should be used in place of the rubber hoses.

Water and Drain Line Requirements

Number of

Pipe Sizes

Minimum Drain

Machines

 

 

 

 

 

1

3/4 in.

3 in. I.D.

 

 

 

2

1-1/4 in.

4 in. I.D.

 

 

 

3

1-1/2 in.

5 in. I.D.

 

 

 

4

1-1/2 in.

5 in. I.D.

 

 

 

5

2 in.

6 in. I.D.

 

 

 

Table 3

1

2

PHM184N

PHM184N

1Risers (Air Cushions)

2Water Supply Faucets

Figure 10

F232158

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