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IMPORTANT NOTICE
3. IMPORTANT NOTICE
- Verify in accordance with the manuals 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 continuing improvement in
design and performance of products. The right is therefore
reserved to vary specifications without notice.
- HITACHI cannot anticipate every possible circumstance that
might involve a potential hazard.
- This 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 should be reproduced without written
permission.
- If you have any questions, contact your service contractor of
HITACHI.
- This manual gives a common description and information for
this heat pump which you operate as well as for other models.
- Check and make sure that the explanations of each part of
this manual correspond to your AquaFREE model.
- Refer to the models codification (page 1) to confirm the main
characteristics of your system.
- Signal words (DANGER, WARNING and CAUTION) are
used to identify levels of hazard seriousness. Definitions
for identifying hazard levels are provided below with their
respective signal words.
- It is assumed that this unit will be operated and serviced
by English speaking people. If this is not the case, the
customer should add safety, caution and operating signs in
the native language of the personal.
- The temperature (20ºC), shown on the display while unit is
running is just a configuration parameter. In order to set the
temperature, use the switches located in front of E.BOX or
in Control PCB. To adjust the room temperature, use the
room thermostat (as accessory).
- In case of over pressure in the system (>3bars), AquaFREE
has a pressure relief valve which ejects the excess of water.
PMML138A_R1-eng-fre.indb 13
- This heat pump has been designed for the following
temperature. Operate the heat pump within this range:
Outlet Water
Cooling Mode
Outdoor
Outlet Water
Heating Mode
Outdoor
Outlet Water
Domestic Hot
Water Mode
Outdoor
DB: Dry Bulb Temperature
WB: Wet Bulb Temperature
(*): RAS-3HP = -15°C WB
This manual should be considered as a permanent part of
−
the heat pump. This manual gives a common description and
information for this heat pump that you operate as well as for
other models.
NOTE:
For more info see Technical catalogue of the unit.
DANGER:
In order to prevent the system from an abnormal pressure,
a high pressure switch, which needs no field adjustment,
is installed in the refrigeration system. Therefore, this heat
pump is protected from abnormal pressures. However, if
abnormally high pressure is applied to the refrigeration
cycle including the high pressure vessel(s), it might result
in serious injury or death due to explosion of the pressure
vessel. Do not apply to the system a pressure higher than
the following pressure, by modifying or changing the high
pressure switch (see next page).
PMML0138A-rev.1 - 11/2009
Temperature
Maximum
Minimum
22°C
7 °C
45°C DB
15°C DB
50°C
25 °C
15°C
-20°C WB
67°C
32°C
45°C DB
-20°C WB*
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19/11/2009 14:44:28
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