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4 Electrical Wiring
4.1 General check
D A N G E R
•
Before installing the electrical wiring or before performing a periodical check, turn OFF the main switch to
the indoor unit and the outdoor unit. For safety reasons, be sure that the indoor fan and the outdoor fan have
stopped.
•
Prevent the wires from touching the refrigerant pipes, the plate or cutting edges and the electrical components
inside the unit, to prevent them getting damaged. In worst cases, a fire may occur.
•
Tightly secure the wires with the cord clamp inside the indoor unit.
N O T E
•
In case of performing a test run operation take especially care because some security features are disabled:
the units will operate during 2 hours without Thermo-OFF, and the 3-minute guard for compressor protection
will not be effective during the test.
•
Fix rubber bushes with an adhesive on the panel when the conduit pipes to the outdoor unit are not used.
•
In forced stopped compressor mode, the compressor operation is OFF.
82
SMGB0064 rev.0 - 08/2011
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Troubleshooting
