Hitachi RCI-1.5TNE1NH, Руководство по установке и обслуживанию

Страница: 28 / 32

24
7
.
Electrical Wiring
●
Turn OFF the main power switch to the indoor unit and the outdoor unit before electrical wiring work
or a periodical check is performed.
●
Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or
a periodical check is performed
.
●
Protect the wires, drain pipe, electrical parts , etc. from rats or other small animals. If not protected,
rats may gnaw at unprotected parts and at the worst, a fire will occur.
●
Check the item below before turning ON the main switch.
●
Tighten screws according to the following torque.
M3
.
5
:
1
.
2N.m
M5
:
2
.
0
～
2
.
4N.m
●
Wrap the accessory packing around the wires, and plug the wiring connection hole with the seal
material to protect the product from any condensate water or insects.
●
Tightly secure the wires with the cord clamp inside the indoor unit.
●
Secure the cable of the remote control switch using the cord clamp inside the electrical box.
7
.
1 General Check
(
1
)
Make sure that the field
-
selected electrical components
(
main power switches, circuit breakers
,
wires, conduit connectors and wire terminals) have been properly selected according to the
electrical data given in “9.Electrical installation”. Make sure that the components comply with National
(
2
)
Check to ensure that the power supply voltage is within ± 10 % of the rated voltage
.
(
3
)
Check the capacity of the electrical wires
.
If the power source capacity is too low
,
the system
cannot be started due to the voltage drop.
(
4
)
Check to ensure that the ground wire is connected.
(
5
)
Power Source Main Switch Install a multi - pole main switch with a space of 3
.
5mm or more between
each phase.
7
.
2 Electrical Wiring Connection
The intermediate connection between the indoor unit and the air panel should be referred to in the
Installation Manual for Air Panel.
( 1 ) Connect the power supply and earth wires to the terminals in the electrical box.
( 2 ) Connect the wires between the indoor unit and the outdoor unit to the terminals in the electrical box .
Installation and Maintenance
Electrical Code ( NEC ).