Moyer Diebel MD-66 - Manual (Page 10)

2
NOTE:
Only qualified personnel should make dishwasher plumbing connections.
Connections must meet local plumbing and sanitary codes.
Improper installation is not covered be the dishwasher warranty.
Hot Water Requirements:
1. Connect a 3/4" NPT hot water supply line to the line strainer located at the top rear of the
dishwasher. A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended.
2. For a dishwasher without a booster heater, the hot water connection must supply a
minimum of 180°F/82°C measured at the dishwasher.
3. For a 40°F/22°C rise booster heater, the hot water connection must supply a minimum of
140°F/60°C measured at the dishwasher.
4. For a 70°F/39°C rise booster heater, the hot water connection must supply a minimum of
110°F/43°C measured at the dishwasher.
5. Install a pressure regulating valve (PRV) before the dishwasher supply connection to
maintain a flowing pressure of 20-25 PSI/137.8-172.4 kPa.
6. Install a service shut-off valve in the supply line, as close to the dishwasher as possible.
The size of the valve must be the same size or larger as the supply line.
Installation
Hot Water Connections
Utilities
Cold Water Requirements:
1. Connect a 1/2" NPT cold water supply line for a dishwasher equipped with a prewash cold
water tempering option. Connection is located at the top of rear of the dishwasher load end.
A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is recommended.
2. Connect a 1/2" NPT cold water supply line for dishwashers required to have a drain water
temperature tempering option. A water hardness of 3 grains/gal (US) [51.3 mg/L] or less is
recommended. Request a P/N 452891 for a drain tempering water kit.
Cold Water Connections