Installation manual

–2–
Safety Precautions
Do not handle with wet hands. Do not pull the connecting wire.
Observe instructions with
great care.
Strictly prohibited.
CAUTION
This may cause an electric shock
or failure.
If the core wire is disconnected,
it could cause a short-circuit.
Provide positive earthing.
❚ INSTALLATION PRECAUTIONS
DANGER
The central control must be installed by your dealer or a qualified professional.
It is not advisable to install the central control yourself, as faulty handling may cause electric shock or fire.
Make sure to perform grounding work. Depending on the place of installation, a leakage
breaker may be necessary.
CAUTION
If a leakage breaker is not installed, electric shock
may happen.
Consult your dealer.
Do not connect the ground wire to any gas pipes,
water pipes, lightning conductors or a ground wire
connected to telephones. Incomplete grounding may
cause electric shock.
If the central control is damaged with water due to a
natural disaster such as a flood or a typhoon, consult
your dealer.
❚ OPERATION PRECAUTIONS
DANGER
If the central control is under abnormal conditions, stop
the operation, turn the power supply switch off and consult
your dealer.
Operating the central control under such conditions
may lead to failure, electric shock and/or fire.
Continuing operating the central control under abnormal
conditions may lead to failure, electric shock and/or fire.
Do not wash the central control with
water.
It may cause electric shock or
failure.
A static electric discharge to the unit could cause a break-down.
Before performing operations, touch a grounded metal object and discharge any static electricity.
Before starting to use the central control, read these “Safety precaution” carefully to ensure proper operation of the central control.
The safety precautions are classified as “ DANGER” and “ CAUTION”. Precautions as shown in the column “ DAN-
GER” indicate that improper handling could have serious consequences like death, serious injury, etc.
“ CAUTION” might pose a serious problem, depending on the circumstances. Please observe these precautions with great
care, since they are essential to your safety.
Symbols which appear frequently in the text have the following meaning:
When you have read the instruction manual, please keep it near at hand for consultation. If someone else takes over as
operator, make sure that the manual is also passed on to the new operator.