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Note: The above figures are only intended to be a simple
diagram of the appliance and may not correspond to the
appearance of the units that have been purchased.
An all-pole disconnect switch having a contact
separation of at least 3mm in all poles should be
connected to supply power wiring.
Wrong wire connections may cause malfunction of
some electric components. After fixing wire,
ensure that leads between connection to fixed
point have some space.
The connection pipes and the connection wiring of
unit A, unit B, unit C and unit D must correspond
to each other respectively.
The appliance shall be installed in accordance
with national wiring regulations.
MULTIU18HP230V1DO
Provide a circuit breaker with suitable capacity,
please note the following table. Circuit
breakers will prevent short-circuits and
overload. (Caution: do not use a fuse only for
circuit protection.
35A
Breaker capacityAir-conditioner
MULTIU18HP230V1DO
ELECTRICAL CONNECTIONS INSTALLER
6
To the power supply
To unit B
Power wire
To unit A
connecting
wire
L1
L2
connecting
wire
INDOOR UNIT A INDOOR UNIT B
white
(blue)
white
(blue)
black
(brown)
red
(brown)
L2
L1
POWER
L1
L2
(yellow-
green)
green
(yellow-
green)
green
black white
(blue)
red
(brown)
(yellow-
green)
green
black
BA
1. Remove the handle at the right side plate of the
outdoor unit (one screw).
2. Remove the wire clamp, connect the power
connection wire to the appropriate terminal and
secure the connection. The wiring connections
must be consistent with the indoor unit terminal
connections. Wiring should match that of indoor
unit.
3. Secure power connection wire with a wire clamp.
4. Ensure all wire is securely attached.
5. Install the handle.
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