Hitachi RPK-0.8HNBUSQ, Руководство пользователя

Страница: 32 / 37

26
Drain Piping
18.1 General Check
(1) Make sure that the field-supplied electrical components
(main power switches, circuit breakers, wires, conduit
connectors and wire terminals) have been properly
selected according to the specified electrical data.
Make sure that the components comply with National
Electrical Code (NEC).
(2) Use shielded twist pair cable for control cable between
outdoor unit and indoor unit, control cable between
indoor units and remote control switch.
(3) Check to ensure that the power supply voltage is within
±10% of the rated voltage.
(4) Check the capacity of the electrical wires In case
of low capacity, the system cannot start due to the
voltage drop.
(5) Check to ensure that the earth wire is connected.
(6) Power Source Main Switch. Install a multi-pole main
switch with a space of 3.5mm or more between each
phase.
18.2 Electrical Wiring Connection
The electrical wiring connection for the indoor unit is
shown in figure.
(1) Connect the wires of an optional remote control
switch to A, B terminals of the terminal board inside
the electrical box through the connecting hole in the
cabinet.
(2) Connect the wires between the indoor unit and the
outdoor unit to 1,2 terminals of the terminal board inside
the electrical box through the connecting hole in the
cabinet.
(3) Connect power supply wires to L, N and connect earth
wire to the earth. Please connect to the power circuit
with a ELB.
(4) Check to ensure that the terminal specification is applied
to the screw (M3.5 for power supply and operating line)
of the terminal box.
(5) Fix all the wires securely with cord clamp.
L N
1 2 A B
通讯 /Transmission 线控器 /R.C.S
50/60Hz
Remote Controller Wiring
Indoor and Outdoor
Transmiss ion Wiring
Power Supply
220-240V～
Earth Wiring
Screw
Cord Clamp(All wirings are
fixed with cord clamp)