Technical data

Table Of Contents
KEY TO SYMBOLS AND SAFETY INSTRUCTIONS
6 720 803 687 (2012/11)4
1 KEY TO SYMBOLS AND SAFETY
INSTRUCTIONS
1.1 EXPLANATION OF SYMBOLS
WARNING SYMBOLS
Signal words indicate the seriousness of the hazard in terms of the
consequences of not following the safety instructions.
NOTICE indicates possible damage to property or equipment, but
where there is no risk of injury.
CAUTION indicates possible injury.
WARNING indicates possible severe injury.
DANGER indicates possible risk to life.
IMPORTANT INFORMATION
ADDITIONAL SYMBOLS
1.2 SAFETY INSTRUCTIONS
HANDLING REFRIGERANT
The air to water heat pump is filled with R410A refrigerant.
Only qualified and authorised refrigeration engineers may work on the
refrigerant circuit.
For all work with refrigerant, wear suitable safety gloves and goggles.
WHAT TO DO IF REFRIGERANT LEAKS
If refrigerant leaks and touches the skin, it can cause frostbite.
In case of a refrigerant leak, never touch any part of the air to water
heat pump.
Avoid skin or eye contact with refrigerant.
Seek medical attention if you get refrigerant on your skin or in your
eyes.
DANGER THROUGH ELECTRICAL CURRENTS
Electrical work must only be carried out by competent person. Work
on the electrical system that has not been carried out properly can
result in short circuit, overheating or fire.
DANGER POSED BY EXPLOSIVE AND EASILY FLAMMABLE
MATERIALS
Never use, store or place highly flammable materials (paper, clothing,
thinners, paints etc.) near the external unit.
SITING AND INSTALLATION
Correct siting, assembly and installation of the individual components
are the fundamental requirements for safe and economical operation of
the hybrid system.
Installation of this heat pump should be done in accordance with
MCS/MIS 3005.
COMMISSIONING
The hybrid system and the components may only be commissioned by
a competent person.
INSTRUCTING THE CUSTOMER
Explain to customers how the hybrid system and its individual
components work, and instruct them how to operate them.
Inform customers that they must not carry out any modifications or
repairs.
Hand customers the installation and operating instructions for
safekeeping.
RISK OF DAMAGE DUE TO OPERATOR ERROR
Operator errors can result in injury and damage to property.
Ensure that children never operate this appliance unsupervised or
play with it.
Ensure that only personnel who can operate this appliance correctly
have access to it.
INSPECTION, MAINTENANCE AND REPAIRS
Inspection, maintenance and repairs must only be carried out by
competent persons.
Use only original Worcester spare parts. Losses caused by the use of
parts not supplied by Worcester are excluded from the Worcester
warranty.
Only use accessories intended for this application.
Customer recommendation: Arrange an annual service with a
competent person.
ENVIRONMENTAL PROTECTION
At the end of the appliances life time span please ensure that the
effected appliance is disposed of according to the current
regulations.
Dispose of the packaging materials in an environmentally responsible
manner.
HEAT EMITTERS
It is important a hybrid system is installed on a system with the
appropriate heat emitters for the combination of a heat pump and
boiler.
It is recommended a pre-design assessment is carried out to
determine the suitability of the system and heat loss calculations for
the property are carried out to determine the system design
requirements.
If under floor heating is installed the system should be correctly sized
to work at lower temperatures.
Safety instructions in this document are framed and
identified by a warning triangle which is printed on a
grey background.
Electrical hazards are identified by a lightning symbol
surrounded by a warning triangle.
Notes contain important information in cases where
there is no risk of personal injury or material losses and
are identified by the symbol shown on the left. They are
bordered by horizontal lines above and below the text.
Symbol Meaning
a step in an action sequence
a reference to a related part in the document or to other
related documents
•a list entry
a list entry (second level)
Table 1