Midea MFA-12HRN1, General Information Manual

Page: 53 / 60

MCAC-UTSM-2009-03 Wiring
Installation 51
6.2 MFA-12HRN1 and MFA-18HRN1
Caution:
1) The appliance shall be installed in accordance with national wiring regulations.
2) The air conditioner should use separate power supply with rated voltage.
3) The external power supply to the air conditioner should have ground wiring, which is linked to the
ground wiring of the indoor and outdoor unit.
4) The wiring work should be done by qualified persons according to circuit drawing.
5) An all-pole disconnection device which has at least 3mm separation distance in all pole and a residual
current device (RCD) with the rating of above 10mA shall be incorporated in the fixed wiring according
to the national rule.
6) Be sure to locate the power wiring and the signal wring well to avoid cross-disturbance.
7) Do not turn on the power until you have checked carefully after wiring.
Remark per EMC Directive 89/336/EEC
For to prevent flicker impressions during the start of the compressor (technical process), following
installation conditions do apply.
1. The power connection for the air conditioner has to be done at the main power distribution. The
distribution has to be of a low impedance, normally the required impedance reaches at a 32 A fusing
point.
2. No other equipment has to be connected with this power line.
3. For detailed installation acceptance please refer to your power supplier, if restrictions do apply for
products like washing machines, air conditioners or electrical ovens.
6.2.1 Connect the cable
1. The installation bearer of sensing device rotated to another side, and then takes off cover of electrical box.