Wiring - Midea MFA-18HRDN1-Q Manual

9. WIRING

CAUTION
Make sure the power supply has been cut off when
inserting or pulling out the plug connecters.
NOTE
1. If there is serious safety problem about the power supply, the
technicians should refuse to install the air conditioner and
explain to the client until the problem is solved.
2. Power voltage should be in the range of 90%~110%of rated
voltage.
3. The creepage protector and main power switch with a 1.5
times capacity of Max. Current of the unit should be installed
in power circuit
.
4. Ensure the air conditioner is grounded well.
5. According to the attached Electrical Connection Diagram
located on the panel of the outdoor unit to connect the wire.
The connection cables of indoor and outdoor units have
been connected to the terminals on the control board.
Remove the control cover from the outdoor unit by loosening
the screw.
Hold the indoor plug connector and insert the mating plug
connector located on the outdoor unit until it fixed with a
clicking sound. Secure the cable onto the control board with
the cord clamp.
Connect the ground wire(yellow&green) reliably with
sheet-metal by screws.
The electrical connection has finished now.
installation & owner's manual
8
Table 9-1
Number
Area of
theconnecting
wiring (mm )
Cover
Screw
Fig.9-1
or
or
Fix the connection cable
with cord clamp.
4× 0.5 3×2.5 4×1.5 4×0.5
2
Fig.9-3
Fig.9-4
2×2.5 3×1.5