Cascade Sciences CVO-5-EX Series, Installation & Operation Manual, Page: 53 / 132

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INSTALLATION
H
ARDWIRE
S
OURCE
R
EQUIREMENTS
For ovens with hardwire power feeds. Also known as fixed installation or permanent connect
wiring.
When selecting a location for a hardwire connected oven, verify each of the following requirements
is satisfied:
Power Source: The source must meet the requirements listed on the unit data plate.
Model Voltage Amps Frequency
CVO-5-EX-SS-H 115 12 50/60 Hz
CVO-5-EX-2-SS-H 230 6 50/60 Hz
•
Single Phase and Grounded : The power source must be single-phase (1) and protective
earth grounded.
o If the unit is not grounded properly, parts such as knobs and controls can conduct
electricity and cause serious injury.
•
Electrical Codes
: The power source must conform to all national and local electrical
codes.
•
Safe Voltage Range : The unit may be damaged if the supplied voltage varies by more
than 10% from the data plate rating.
o The unit is safety rated to withstand transient overvoltage levels up to Overvoltage
Category II.
•
Separate Circuit
: Use a separate circuit to prevent loss of the unit due to overloading or
circuit failure. The circuit must meet or exceed the amperage requirements listed on the
unit data plate.
•
On / Off: The circuit must allow the operator to turn off power to the oven when not in
use.
•
Zone Connection Protection:
The oven may be connected to a power source inside the
hazardous location Zone around the oven under the following conditions:
o
A connection in the hazardous zone must be made via a suitable hazardous
location rated junction box meeting the requirements for Zone 2 or (UL) Class 1
Division 2 or Class 1 Zone 2 locations.
o The connection must be made by a qualified electrical service technician who is
competent to work in the hazardous location zone.