Hitachi YUTAKI S80 Serie Manual De Instalación Y Funcionamiento página 12

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CAUTION
• The text following this symbol contains information and instructions relating directly to your
safety, in addition to hazards or unsafe practices which could result in minor personal injuries or
product or property damage.
• Not taking these instructions into account could lead to minor injuries to you and others.
• Not taking these instructions into account could lead to unit damage.
In the texts following the caution symbol you can also find information on safety procedures during
unit installation.

NOTE
• The text following this symbol contains information or instructions that may be of use or that
requires a more thorough explanation.
• Instructions regarding inspections to be made on unit parts or systems may also be included.
1.3 General safety notes
1.3.1 Additional information about safety
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DANGER
• DO NOT CONNECT THE POWER SUPPLY TO THE INDOOR UNIT PRIOR TO FILLING THE SPACE
HEATING CIRCUIT (AND DHW CIRCUIT IF IT WAS THE CASE) WITH WATER AND CHECKING
WATER PRESSURE AND THE TOTAL ABSENCE OF ANY WATER LEAKAGE.
• Do not pour water over the indoor unit electrical parts. If the electrical components are in
contact with water a seri ous electrical shock will take place.
• Do not touch or adjust the safety devices inside the air to water heat pump. If these devices
are touched or adjusted, a serious accident can take place.
• Do not open the service cover or access inside the air to water heat pump without
disconnecting the main power supply.
• In case of fire Turn OFF the main switch, put out the fire at once and contact your service
contractor.
• It must ensure that the air to water heat pump cannot op erate accidentally without water
neither with air inside hydraulic system.
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CAUTION
• Do not use any sprays such as insecticide, lacquer, hair spray or other flammable gases within
approximately one meter from the system.
• If installation circuit breaker or the unit fuse is often activated, stop the system and contact your
service contractor.
• Do not make service or inspections tasks by yourself. This work must be performed by a qualified
service person.
PMEN0648 rev.0 - 03/2023
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