Safety Summary; Important Notice; General Notes For The System - Hitachi YUTAKI S80 Series Installation And Operation Manual

SAFETY SUMMARY

1 SAFETY SUMMARY

D A N G E R
• DO NOT CONNECT THE POWER SUPPLY TO THE IN-
DOOR UNIT AND DHW TANK PRIOR TO FILLING BOTH
CIRCUITS WITH WATER AND CHECKING WATER PRES-
SURE AND THE TOTAL ABSENCE OF ANY WATER LEAK-
AGE.
• Do not pour water over the DHW tank 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 DHW
tank. If these devices are touched or adjusted, a serious
accident can take place.
• In case of fire Turn OFF the main switch, put out the fire
at once and contact your service contractor.
• It must be ensured that the DHW tank cannot operate ac-
cidentally without water neither with air inside hydraulic
system.

2 IMPORTANT NOTICE

2.1 GENERAL NOTES FOR THE SYSTEM

• This document contains the information referred to the
HITACHI DHW tank. The HITACHI DHW tank must be con-
nected with the YUTAKI S80 indoor unit only. Please, refer
to the YUTAKI S80 Indoor unit Installation and operation
manual "PMML0290A"
the complete information of the system.
• Refer to the manuals to check 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.
• The DHW tank 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 HITACHI service con-
tractor.
• Check and make sure that the explanations of each part of
this manual correspond to your model.
• Refer to the model's codification to confirm the main charac-
teristics of your system.
15 PMML0291A rev.2 - 09/2014
(space heating information) for
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 circuit breaker or 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 peo-
ple, 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 put any strange material (sticks, etc...) into the water
inlet and outlet piping of the DHW tank.
• Signal words (DANGER and CAUTION) are used to identify
levels of hazard severity. Definitions for identifying hazard lev-
els are provided below with their respective signal words.
• It is assumed that these products will be operated and ser-
viced 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 personnel.
• This manual should be considered as a permanent part of the
DHW tank. It gives a common description of and information
on your system, as well as on other models.
• The system has been designed for the following temperature.
Operate the system within these ranges:
Domestic hot
Water temp.
water tank
• Keep the water temperature of the system above the freezing
temperature.
N O T E
For detailed working range refer to the YUTAKI S80 indoor unit
Technical Catalogue.
Temperature
Maximum Minimum
75ºC 35ºC