DC Inverter
X-Series
for R410A Unitary Split Air Conditioner
31
(3) Check if the air filter screen is properly installed.
(4) If starting up again after long-term shut down, preset the power switch of air
conditioner to “ON” status before 8h of operation, to preheat the crankcase of
outdoor compressor.
(5) Check if the installation of outdoor unit is firm, if not, please contact with
AC PRO
appointed maintenance center.
4.3.4 Maintenance at the End of the Using Season
(1) Cut off the main power of air conditioner.
(2) Clean the dust and sundries in outdoor unit.
(3) If the outdoor unit is rusty, coat the rusty location with paint to prevent it from
expanding.
4.3.5 Components Replacement
Components are available in
AC PRO
agency or
AC PRO
distributors nearby.
4.4 Notice on Maintenance
4.4.1 Information on Servicing
The manual shall contain specific information for service personnel who shall be
instructed to undertake the following when servicing an appliance that employs a
flammable refrigerant.
4.4.1.1 General Work Area
All maintenance staff and others working in the local area shall be instructed on the
nature of work being carried out. Work in confined spaces shall be avoided. The area
around the workspace shall be sectioned off. Ensure that the conditions within the area
have been made safe by control of flammable material.
4.4.1.2 Ventilated Area
Ensure that the area is in the open or that it is adequately ventilated before
breaking into the system or conducting any hot work. A degree of ventilation shall
continue during the period that the work is carried out. The ventilation should safely
disperse any released refrigerant and preferably expel it externally into the atmosphere.
4.4.1.3 Checks to the Refrigeration Equipment
Where electrical components are being changed, they shall be fit for the purpose
