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ELECTRICAL POWER REQUIREMENTS
WARNING
I
can result in electrical shock. The wiring should be done by a qualified
electrician.
ELECTRICAL WIRING
Refer to the air compressor's serial label for the unit's voltage and amperage
requirements. Ensure that all wiring is done by a licensed electrician, in
accordance with the National Electrical Code.
MAIN POWER PANEL
For best performance and reliable starting, the air compressor must be installed
on a dedicated circuit, as close as possible to the electrical power panel.
Provide circuit breaker or fuse protection at your main power panel. Use time
delay fuses on the circuit, because the compressor will momentarily draw
several times its specified amperage when first started.
NOTE: A circuit breaker is recommended. If the air compressor is connected to
a circuit protected by a fuse, use dual element time delay fuses (Buss Fusetron
type "T" only).
MAIN POWER DISCONNECT SWITCH
Install a main power disconnect switch in the line from the panel to the
compressor. The main power disconnect switch must be located near the
compressor, for ease of use and safety. When turned OFF, the main power
disconnect switch shuts off all power to the compressor. When it is turned ON,
the compressor will start and stop automatically, controlled by the pressure
switch.
LOW VOLTAGE PROBLEMS
Low voltage will cause difficult starting or an overload. Low voltage can be caused by
a low supply voltage from the local power company, other equipment running on the
same line, or inadequate wiring. If any other electrical devices are drawing from the
compressor's circuit, it may fail to start.
Low voltage to the compressor can be caused by a supply wire of insufficient gauge for
the distance between the compressor and the power source. The longer the distance,
the larger the wire gauge (lower the number) must be, to overcome the inherent voltage
loss caused by the wire resistance. Refer to the National Electrical Code to determine
proper wire size for your circuit.
If the wiring is not adequate, the input voltage will drop by 20 to 40 volts at startup. Low
voltage or an overloaded circuit can result in sluggish starting that causes the circuit
breaker to trip, especially in cold conditions.
GROUNDING INSTRUCTIONS
This product must be connected to a grounded, metallic, permanent wiring
system, or an equipment - grounding terminal or lead on the product.
Risk of electrical shock. Improper electrical grounding
11 - ENG
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