DC Inverter U-match Series Cassette Type Unit
59
crankcase of outdoor compressor.
(6) Check if the installation of outdoor unit is firm, if not, please contact with
YAMATO
appointed maintenance center.
5.3.6 Maintenance at the end of the Using Season
(1) Cut off the main power of air conditioner.
(2) Clean the filter screen, indoor and outdoor unit.
(3) Clean the dust and sundries in indoor and outdoor unit.
(4) If the outdoor unit is rusty, coat the rusty location with paint to prevent it
from expanding.
5.3.7 Components Replacement
Components are available in
YAMATO
agency or
YAMATO
distributors nearby.
5.4 Notice on Maintenance
5.4.1 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.
5.4.1.1 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 minimized. For repair to
the refrigerating system, the following precautions shall be complied with prior to
conducting work on the system.
5.4.1.2 Work Procedure
Work shall be undertaken under a controlled procedure so as to minimize the
risk of a flammable gas or vapour being present while the work is being performed.
5.4.1.3 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.
