Electric Wiring - Fisher FSL-850B-H-3F Installation And Operation Manual

10.4 Electric wiring

◆ All of the supplied components, material, and electric operation should be accorded with the
local principles.
◆ The power supply should adopt the rated voltage and special circuit for the ducted air-
conditioning unit.
◆ About the electric working, please refer to the "circuit diagram" adhering to the unit.
◆ All the connection of the circuit should be carried out by the qualified electrician.
◆ A circuit breaker that can cut all the power supply of the system should be installed. Wiring
diagram of the ducted air-conditioning unit is shown in Fig.10.10.
◆ The units should be well earthing to the ground by professionals.
◆ Install a central switch which can cut all the power switch and air switch of the system.
◆ The air switch should have hot and magnetic auto-turn-off function to protect the system from
overloading or short power.
◆ Please accord to electrical diagram on the unit when connecting the wires.
1)Open indoor electric box and outdoor electric box respectively and put the wires cross the
electric boxes. Please choose the specification of the power cables according to the power capacity and
the installation conditions of the unit. Fix the wires with wire clamp and assemble the electric cover
after confirmation.
2)The wiring schematic of the outdoor unit, please refer to Fig 10.10,Fig 10.11,Fig 10.12 while the
power cord standard and air-switch type, please refer to recommending table 10.3
Table.10.3 Power cord standard and air switch recommending table
Model
FSL-850B-H-3F
FSOL-850B-3F
Power Supply
380-415V 3N~ 50Hz
380-415V 3N~ 50Hz
Air Switch Earthing
(A) section(mm2)
10 H05VV-F5G1.5
40 H05RN-F5G10.0
35
Permit Min section
(mm2)
H05VV-F5G1.5
H05RN-F5G10.0