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© FANTECH
2016
INSTALLATION, WIRING DIAGRAMS & FAN TROUBLE SHOOTING
FAN TROUBLE SHOOTING
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8.0 MOTOR PROTECTION
It is important to note the following regulations that form part of the Australian & New
Zealand Wiring Rules (AS/NZS 3000:2007). Failure to comply with these regulations
would void warranty.
8.1 Section 4.3.4.1
Protection against overload
'Each electric motor having a rating exceeding 0.37 kW shall be provided with control
equipment incorporating means of protection against overload of the motor'.
8.2 Section 4.3.4.2
Protection against over-temperature
'Any unattended single-phase motor having a current draw greater than 1.0 Amp, or any
unattended three-phase motor having a current draw greater than 0.578 Amps, shall be
fitted with an over-temperature protection device'.
8.3 Section 4.3.4.2.3
Over-temperature protection devices
Protection of motor windings against excessive temperatures shall be provided by
thermal-overload protective devices complying with AS1023.1 or by a device which
affords an equivalent degree of protection'.