2 GENERAL SAFETY NOTES
2.1 ADDITIONAL INFORMATION ABOUT SAFETY
!
D A N G E R
• 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.
!
C A U T I O N
•
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.
• This appliance must be used only by adult and capable people, having received the technical information or instructions to handle this appliance
properly and safely.
• Children should be supervised to ensure that they do not play with the appliance.
• Do not let any foreign body into the water inlet and outlet piping of the air to water heat pump.
2.2 IMPORTANT NOTICE
•
PLEASE READ THE INSTRUCTION MANUAL AND THE FILES ON THE CD-ROM CAREFULLY BEFORE STARTING TO
WORK ON THE INSTALLATION OF THE AIR TO WATER HEAT PUMP SYSTEM. Failure to observe the instructions for
installation, use and operation described in this documentation may result in operating failure including potentially serious faults,
or even the destruction of the air to water heat pump system.
•
Verify, in accordance with the manuals which appear in the outdoor and indoor units, that all the information required for the
correct installation of the system is included. If this is not the case, contact your distributor.
• Hitachi pursues a policy of continuous improvement in product design and performance. The right is therefore reserved to vary
specifications without notice.
•
Hitachi cannot anticipate every possible circumstance that might involve a potential hazard.
•
This air to water heat pump has been designed for standard water heating for human beings only. Do not use this for other
purposes such as for drying clothes, heating foods or for any other heating process (except swimming pool).
•
No part of this manual may be reproduced without written permission.
•
If you have any questions, contact your service contractor of Hitachi.
•
Check and make sure that the explanations of each part of this manual correspond to your air to water heat pump model.
•
Refer to the models codification to confirm the main characteristics of your system.
•
Signal words (NOTE, DANGER and CAUTION) are used to identify levels of hazard seriousness. Definitions for identifying
hazard levels are provided in initial pages of this document.
• The operation modes of these units are controlled by the unit controller.
•
This manual should be considered as a permanent part of the air to water heat pump. It gives a common description of and
information for this air to water heat pump which you operate as well as for other models.
•
Keep the water temperature of the system above the freezing temperature.
GENERAL SAFETY NOTES
PMML0575 rev.1 - 09/2021
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