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1. Safety Precautions
Read the following “SAFETY PRECAUTIONS” carefully before installation of Air-To-Water Hydro Tank
(here after referred to as “Tank Unit”).
Electrical works and water installation works must be done by licensed electrician and licensed water system
installer respectively. Be sure to use the correct rating and main circuit for the model to be installed.
The caution items stated here must be followed because these important contents are related to safety. The
meaning of each indication used is as below.
Incorrect installation due to ignorance or negligence of the instructions will cause harm or damage, and the
seriousness is classified by the following indications.
Please leave this installation manual with the unit after installation.
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties only.
The items to be followed are classified by the symbols:
Symbol with white background denotes item that is PROHIBITED.
Symbol with dark background denotes item that must be carried out.
Explanation of symbols displayed on the indoor unit or outdoor unit.
WARNING
This symbol shows that this equipment uses a flammable refrigerant. If the refrigerant is leaked, together with an
external ignition source, there is a possibility of ignition.
CAUTION
This symbol shows that the Installation Manual should be read carefully.
CAUTION
This symbol shows that a service personnel should be handling this equipment with reference to the Installation Manual.
CAUTION
This symbol shows that there is information included in the Operation Manual and/or Installation Manual.
Carry out test run to confirm that no abnormality occurs after the installation. Then, explain to user the operation,
care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for
future reference.
If there is any doubt about the installation procedure or operation, always contact the authorized dealer for advice
and information.
WARNING
1.
Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any unfit
method or using incompatible material may cause product damage, burst and serious injury.
2.
Do not install outdoor unit near handrail of veranda. When installing outdoor unit at veranda of high rise building, child may climb up to
outdoor unit and cross over the handrail and causing accident.
3.
Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with
other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire.
4. Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen.
5. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.
6. Do not sit or step on the unit, you may fall down accidentally.
7. Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing.
8.
When install or relocate outdoor unit, do not let any substance other than the specified refrigerant, e.g. air etc. mix into refrigerant
cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
9. Do not use pipe wrench to install refrigerant piping. It might deform the piping and cause the unit to malfunction.
10. Do not purchase unauthorized electrical parts for installation, service, maintenance and etc.. They might cause electrical shock or fire.
11.
Do not modify the wiring of outdoor unit for installation of other components (i.e. heater, etc). Overloaded wiring or wire connection
points may cause electrical shock or fire.