Heiko JZ035-C2, Service Manual

Page: 4 / 66

Introduction
2
Domestic air conditioner
1.2.1 Embedded wire checking before installation
Check the embedded wire diameter suitable to request:
(Power supp ly from indoo r: 2.5kw
≥1 .0mm
2
3.5kw,5kw ≥1 .5mm
2
7kw ≥ 2.5mm
2
; Power supp ly from outdoor
≥1 .0mm
2
)
Check the embedded wire are four roots, L/N/COM/GND; GND is needed, if not, thunde r or high voltage wave
from power grid will impact to the performance
Using a multi-meter to test short circuit of the four roots wires, make sure no short circuit happen .
1.2.2 Caution in Repair
Warning
Be sure to disconnect the power cable plug from the plug socket
●
before disassembling the equipment for
a repair.
Working on the equipment that is connected to a power supply can cause an electrical shook.
If it is necessary to supp ly power to the equipment to condu ct the repair or inspecting the circuits, do not
touch any electrically charged sections of the equipment.