3. Do not use means to accelerate the defrosting process or to clean, other than those recommended by the
manufacturer.
4. The appliance shall be stored in a room without continuously operating ignition sources (for example: open
flames,an operating gas appliance or an operating electric heater)
5. Do not pierce or burn.
6. Be aware that refrigerants may not contain an odour.
7. Appliance shall be installed, operated and stored in a room with a floor area larger than X m² (Please see the
following form). The appliance shall not be installed in an unventilated space, if that space is smaller than X m²
(Please see the following form).
Explanation of symbols displayed on the indoor unit or outdoor unit:
WARNING
CAUTION
CAUTION
CAUTION
CAUTION
Please note all service information before performing any installation,
maintenance or handling of this R-290 gas dehumidifier.
1. Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary
to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following
precautions shall be complied with prior to conducting work on the system.
2. Work procedure
Works shall be undertaken under a controlled procedure so as to minimise the risk of a
flammable gas or vapour being present while the work is being performed.
3. General work area
All mintenance staff and others working in the local area shall be instructed on the nature of work
being carried out. work in confined sapces shall be avoided. The area around the work space shall
be sectioned off. Ensure that the conditions within the area have been made safe by control of
flammable material.
4. Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant detector prior to and during work,
to ensure the technician is aware of potentially flammable atmospheres. Ensure that the leak
detection equipment being used is suitable for use with flammable refrigerants, i.e. no sparking,
adequately sealed or intrinsically safe.
This symbol shows that this appliance uses a flammable refrigerant. If the refrigerant is
leaked and exposed to an external ignition source, there is a risk of fire.
This symbol shows that the operation manual should be read carefully.
This symbol shows that a service personnel should be handling this equipment with
reference to the installation manual.
This symbol shows that information is available such as the operating manual or
installation manual.
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