13
INSTALLATION
9
Do not fill the system in bright, sunny conditions or if the
collectors are hot. Cover the solar collector with the packag-
ing it came in for at least two hours before filling it.
9
Make sure that you have bled all the air out of the system,
using the water control system vent too.
Heat transfer fluid filling pump (accessory). A manual bleed
valve is not required if this pump is used.
Checks
On completion of the installation, perform the checks listed in the table below.
10
CHECKS
Collector circuit
Cold circuit pressure:____bar (see table above)
Collector circuit seal test
Safety valve check
Anti-freeze checked to - ___ °C
pH of heat transfer fluid = ____
Collector circuit bled
Flow rate of 30 l/h per m
2
checked
Non-return valve functioning
Solar collectors
Visual check of collectors
Collectors cleaned if necessary
Visual check of collector fixing points
Visual check of roof impermeability
Visual check of insulation/lagging
