11
English
2-7.  Checks to the refrigeration 
equipment
• 
Where electrical components are 
being changed, they shall be fit 
for the purpose and to the correct 
specification.
• 
At all times the manufacturer’s 
maintenance and service 
guidelines shall be followed.
• 
If in doubt consult the 
manufacturer’s technical 
department for assistance.
• 
The following checks shall be 
applied to installations using 
flammable refrigerants.
 -
The charge size is in accordance 
with the room size within which 
the refrigerant containing parts 
are installed. 
 -
The ventilation machinery and 
outlets are operating adequately 
and are not obstructed. 
 -
If an indirect refrigerating circuit is 
being used, the secondary circuit 
shall be checked for the presence 
of refrigerant.
 -
Marking to the equipment 
continues to be visible and 
legible. Markings and signs that 
are illegible shall be corrected.
 -
Refrigeration pipe or components 
are installed in a position where 
they are unlikely to be exposed 
to any substance which may 
corrode refrigerant containing 
components, unless the 
components are constructed of 
materials which are inherently 
resistant to being corroded or are 
properly protected against being 
so corroded.
2-8.  Checks to electrical devices
• 
Repair and maintenance to 
electrical components shall include 
initial safety checks and component 
inspection procedures.
• 
Initial safety checks shall include 
but not limit to:-
 -
That capacitors are discharged: 
this shall be done in a safe 
manner to avoid possibility of 
sparking. 
 -
That there no live electrical 
components and wiring are 
exposed while charging, 
recovering or purging the system. 
 -
That there is continuity of earth 
bonding.
• 
At all times the manufacturer’s 
maintenance and service guidelines 
shall be followed.
• 
If in doubt consult the 
manufacturer’s technical 
department for assistance.
• 
If a fault exists that could 
compromise safety, then no 
electrical supply shall be connected 
to the circuit until it is satisfactorily 
dealt with.
• 
If the fault cannot be corrected 
immediately but it is necessary to 
continue operation, an adequate 
temporary solution shall be used.
• 
The owner of the equipment must 
be informed or reported so all 
parties are advised thereinafter.
 
 Safety precautions
ACXF55-17690_book1.indb   11ACXF55-17690_book1.indb   11 12/7/2017   5:07:02 PM12/7/2017   5:07:02 PM