Technical Information
9
CVA 4062/CVA 4066/CVA 4068 Coffee Systems
3 Touch Current Measurement
Touch current measurement should be carried out on all accessible conductive parts
that are not connected to ground.
Warning!
Touch current measurement may only be performed after the ground
connection of the appliance under test has been checked and found to be
satisfactory!
A defective appliance, as well as accessible conductive parts that are not
connected to ground, may carry dangerous voltages!
4 Plumbing Information
A plumbed cold-water connection is available only in CVA 4066 models. These models
have a factory-installed 90-degree elbow with a ¼” compression fitting (see Figure A-
1). Allow for an extra 2 ½” of depth for this elbow at the back of the coffee system
when installing.
Figure A-1: Compression Fitting
An icemaker kit (not included with the coffee system) with either copper or plastic
tubing will work efficiently when installed correctly. The length of this tubing should not
exceed 5 feet (1.5 meters).
A shutoff valve with customer access should be provided with a plumbed CVA 4066
coffee system.
Water pressure for proper operation must be between 14.5 and 145 pounds per
square inch. If the water pressure is higher than the maximum allowable pressure,
install a water pressure reduction valve.
The customer or installer will be responsible for supplying all plumbing material, as
well as connectors to the CVA 4066 coffee system.
If the water pressure is lower than the minimum pressure, disconnect from the water
source and re-program the coffee system as a non-plumbed appliance. See Section
070-4.2 for programming instructions.
Connection to the water supply should be in accordance with all local, state and
national regulations and codes. A licensed plumber may be required in some states;
check with the local municipality.
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