HTW -AT-V100MR290A Manuel De L'utilisateur Et D'installation page 59

equipment cannot use external switching devices, such as timers, or be connected
to a circuit that is often open or closed.
 This device is not designed for people with weak physical or mental behavior
ability (including children), as well as people who have no use experience and do
not understand the heating system. Unless it is used under the safety guidance
and supervision of the person in charge, or has received training on the use of this
equipment. Children should use the equipment under the supervision of adults to
ensure their safe use of the equipment.

If the power cord is damaged, it must be replaced by the manufacturer or its
service agent or the same professional person to avoid danger. The cut-off
device shall be incorporated into the fixed wiring, and the contact spacing gap of
each effective conductor shall be at least 3mm.
Special requirements for R290

Do NOT have refrigerant leakage and open flame.

Be aware that the R290 refrigerant does NOT contain an odour.

The appliance shall be stored so as to prevent mechanical damage and in a well-ventilated
room without continuously operating ignition sources (example:open flames, an operating
gas appliance) and the room size corresponds to the room area as specified for operation.

Joints made in installation between parts of refrigerant system shall be accessible for
maintenance purposes.

Make sure installation, servicing, maintenance and repair comply with instructions and
with applicable legislation (for example national gas regulation) and are executed only by
authorized persons.

Pipework should be protected from physical damage.
About hydrocarbon refrigerant
- This air to water heat pump unit contains hydrocarbon refrigerant. For specific information on
the type of gas and the amount, please refer to the relevant label on the unit itself. Compliance with
national gas regulations shall be observed.
- Installation, service, maintenance and repair of this unit must be performed by a certified technician.
- Product installation and recycling must be performed by a certified technician.
- If the system has a leak-detection system installed, it must be checked for leaks at least every 12
months. When the unit is checked for leaks, proper record-keeping of all checks is strongly
recommended.
Frequency of Refrigerant Leakage Checks
- For unit that contains fluoridated greenhouse gases in quantities of 5 tonnes of CO
or more,but of less than 50 tonnes of CO
detection system is installed, at least every 24 months.
- For unit that contains fluoridated greenhouse gases in quantities of 50 tonnes of CO
more, but of less than 500 tonnes of CO
detection system is installed, at least every 12 months.
- For unit that contains fluoridated greenhouse gases in quantities of 500 tonnes of CO
more, at least every three months, or where a leakage detection system is installed, at least every six
months.
equivalent, at least every 12 months, or where a leakage
2
equivalent at least every six months, or where a leakage
2
5
equivalent
2
equivalent or
2
equivalent or
2