Toa W-912A Service Manual - Manual (Page 3)

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2. SAFETY PRECAUTIONS
• Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
• Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
• After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.
When Installing the Unit
• Apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases,
shall be placed on the apparatus.
• Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified
may result in fire or electric shock.
• Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power
cord in close proximity to heaters, and never place heavy objects -- including the unit itself -- on the power
cord, as doing so may result in fire or electric shock.
• Be sure to attach the front cover after connection completion. Because the voltage of up to 120 V is applied
to internal terminals, never touch these terminals to avoid electric shock.
• External wiring connected to the terminals marked with requires installation by an instructed person.
• The apparatus shall be connected to a mains socket outlet with a protective earthing connection.
• The socket-outlet shall be installed near the equipment and the plug shall be easily accessible.
• Install the unit only in a location that can structurally support the weight of the unit and the back box. Doing
otherwise may result in the unit falling down and causing personal injury and/or property damage.
• Do not use other methods than specified to mount the unit and back box. Extreme force is applied to the unit
and the unit could fall off, possibly resulting in personal injuries.
• Use nuts and bolts that are appropriate for the wall's structure and composition. Failure to do so may cause
the unit to fall, resulting in material damage and possible personal injury.
• Tighten each nut and bolt securely. Ensure that the unit has no loose joints after installation to prevent
accidents that could result in personal injury.
• Use the specified mounting back box in combination. Doing otherwise may cause the unit or component to
fall off, resulting in personal injury.
• Do not mount the unit in locations exposed to constant vibration. The hinges can be damaged by excessive
vibration, potentially causing the unit to fall, which could result in personal injury.
• Avoid installing the unit in locations close to the seashore or in indoor swimming facilities that are not well
ventilated. In such locations, the unit may be vulnerable to corrosion, eventually allowing itself to fall
resulting in personal injury.
Indicates a potentially hazardous situation which, if mishandled,
could result in death or serious personal injury. WARNING
The exclamation point within an equilateral triangle is intended to alert the user to the presence of
important operation and maintenance (servicing) instruction in the literature accompanying the
appliance.
An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be
incorporated in the electrical installation of the building.