38
FPW Collector Installation Manual
Caution
Danger of pump damage if run dry. Only switch the system to manual or automatic mode when
the system is filled.
Press and hold the mode button
for 2 seconds to change the mode of operation; more
information on this is provided in the controller manual.
Other Relays
If any additional relays are set up on the system, these should be tested in ‘Manual’ mode as
above, to ensure the connections have been wired correctly.
The pump may only be run when the system has been filled as dry operation will damage the
pump. The desired maximum flow rate for systems up to 12m
2
Collector area is 1 litre per minute
per m
2
.
1. Set the pump to the first speed and run it manually from the controller
(see following paragraph).
2. If the desired flow rate is exceeded, set the
flow meter to the desired rate by adjusting the
isolating valve with a flat headed screwdriver
(see diagram) with the pump running. Otherwise
repeat this step at the next pump speed and
continue until the desired flow rate is achieved
3. Stop the pump.
Setting the flow rate
Isolating valve
Left side view of controller
OPEN CLOSED
!
The Solar Antifreeze Fluid we supply with our solar systems is a thermal transfer fluid based
on 1,2 propylene glycol and water. The solution also contains corrosion inhibitors and has been
specifically designed for used in solar thermal systems.
Propylene Glycol is a widely used ingredient in pharmaceutical, food, cosmetic, personal care,
flavours and animal feed applications. Propylene glycol is not volatile, but is miscible with water.
Propylene glycol is not harmful to aquatic organisms and is readily biodegradable; however the
disposal of the solution should be done in a responsible manner taking into consideration local
Environmental and Health & Safety legislation.
While the solution is not subject to registration as a hazardous material according to EEC
directives the solution should be disposed of by special means. A copy of the EEC Safety
Data sheet and Technical Information sheet is available upon request. We recommend that
you contact your local authority to check that they will accept the solution at special landfill
collection points.
Disposal of Solar Antifreeze Fluid
