Delta 80SF040J24, Instruction Manual, Page: 17 / 24

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6 Wiring of Power Cord
6.1 Wiring Precuations
WARNING !
Before turning on, verify that the voltage is within 188~253V range(for “-D”).
Always use a special branch circuit and install a special receptacle to supply power to the air
conditioner.
Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner.
(Fuse/Breaker capacity : 6A)
The special branch circuit breaker is installed in the permanent wiring. Always use a circuit that can trip
all the poles of the wiring and has an isolation distance of at least 3 mm between the contacts of each
pole.
Perform wiring work in accordance with standards so that the air conditioner can be operated safely
and positively.
Install a leakage special branch circuit breaker in accordance with the related laws and regulations and
electric company standards.
CAUTION !
The power source capacity must be the sum of the air conditioner current and the current of other
electrical appliances. When the current contracted capacity is insufficient, change the contracted
capacity.
When the voltage is low and the air conditioner is difficult to start, contact the power company to raise
the voltage.
6.2 Electrical Wiring
◆
With a Multi indoor unit, install as described in the installation manual supplied with the
outdoor unit.
◆
Live the sensor securing plate, remove the front metal plate cover, and connect the wire to
the PCB.
(1) The shield twisted-pair in the 3 PIN neilsbed is the communication cord to another indoor
unit or to outdoor unit. Please connect one port in the CN17 or CN18, the another port
to another indoor unit or to outdoor unit (please according to the cicuit diagram which is
plastered on the control box. )