7
Installation
VHR HOT WATER CONNECTION
CAUTION:
To prevent damage to the dishwasher supply valves, the installing
plumber must thoroughly flush debris from the water supply line before
connecting it to the dishwasher. Damage caused by improper installation is not
covered by the limited warranty.
HOT
WATER
BOOSTER
RISE
°
F
MINIMUM INCOMING
WATER TEMPERATURE
MINIMUM INCOMING
SUPPLY FLOWING
PRESSURE
OPERATING FLOWING
PRESSURE
20 PSI 138 kPa
45 PSI/310 kPa
45 PSI/310 kPa
45 PSI/310 kPa
110°F/ 43°C
180°F/ 82°C
70
°F
RISE
21kW
NO
BOOSTER
40
°
F
RISE
12kW
140°F/60°C
20 PSI 138 kPa
20 PSI 138 kPa
Fig. 6 - Heat recovery hot water connection.
• WATER HARDNESS OF 3 GRAINS/US GAL - 0.83 IMP GAL - 5.3 MG/L or LESS
• INSTALL A 3/4" OR LARGER SHUT-OFF VALVE IN THE WATER SUPPLY LINE AS CLOSE TO
THE DISHWASHER AS POSSIBLE FOR SERVICING.
• WATER SUPPLY CONNECTION IS LOCATED AT THE TOP OF THE DISHWASHER.
3/4" NPT
Hot Water
• OPERATING FLOWING PRESSURE = 20 PSI/138-152 kPa
• MINIMUM 3/4" NPT HOT WATER SUPPLY LINE.
• PRV REQUIRED IF INCOMING PRESSURE EXCEEDS
60 PSI/413.7 kPa
