14
END USER
END USER INSTRUCTIONS
Refer to the GENERAL SAFETY INFORMATION and
PRECAUTIONS section for safety-related information.
16 EXTERNAL MAINTENANCE
It is recommended:
- To clean the glass once a year, as the deposit of dust
and leaves reduces system efficiency
- To check the heat transfer fluid to verify its effective-
ness every two years
- To check the integrity of solar collector insulations
and any expansion joints, every two years.
For cleaning operations and solar collector efficiency
check, contact the nearest Technical Assistance Cen-
tre.
End user
