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Heater
Location
Heater slot available for defrost heaters and it had been inserted into the lower of cooling coil. It is advised
to install thermal fuse (supplied by site) when the unit is used with defrost heater. The location of the
thermal fuse should be appropriately located to have safety cut off when the heater is overheated.
5.2
Earth Wiring
Units must be earthed and no maintenance work should be attempted prior to disconnecting the electrical
supply. Installation of earth wire should be made to earth screw before connecting the live wires. The earth
wire shall be slacked with longer length as shown in below diagram.
WARNING
Please check electrical safety (leakage current, withstand voltage, earth continuity) after connected
to heaters, fuse, and timers.
0-UC 12-SEP 17-1
Page 7
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