Installation Manual
ChargeMaster Plus 12/75-3, 12/100-3, 24/40-3, 24/60-3 – User and Installation Manual 
29 
5.6  Maintenance 
No  specific  maintenance  to  the  ChargeMaster 
Plus  is  required.  Examine  your  electrical 
installation  on  a  regular  basis,  at  least  once  a 
year.  Defects  such  as  loose  connections, 
damaged  wiring  etc.  must  be  corrected 
immediately. If necessary, use a soft clean cloth 
to clean enclosure of the ChargeMaster Plus. Do 
not use any liquids or corrosive substances, such 
as  solvents,  alcohol,  petrol  or  abrasive 
components. 
5.7  Storage 
If it  is necessary to  put the  ChargeMaster Plus 
out of operation, execute the following steps: 
1  Turn AC power off. 
2  Switch  off  the  ChargeMaster  Plus  (see 
section 5.2). 
3  Remove the DC fuse(s) and disconnect the 
batteries. 
4  Switch  the  RCD/Breaker  of  the  AC input to 
the OFF position and, if required, disconnect 
the AC mains.  
5  Open  the  connection  compartment  of  the 
ChargeMaster Plus. 
6  Check with a suitable voltage meter whether 
the  inputs  and  the  outputs  of  the 
ChargeMaster Plus are voltage free. 
7  Disconnect all the wiring. 
Now the ChargeMaster Plus can be demounted 
in  a  safe  way.  When  not  installed,  store  the 
ChargeMaster  Plus  in  a  dry  and  dust  free 
environment. To return to normal operation, after 
re-installation, switch on the AC. 










