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Connecting room
unit to heat
exchanger
8
4
Top up the tank with the correct anti-
freeze (33%) and water mixture until
the fluid level is between min. and
max. level (check the level through
the inspection window).
Be aware not to mix different types
of antifreeze, in order to protect the
system properly.
(Original specification is ethylene
glycol based antifreeze, containing
rust/corrosion inhibitors, suitable for
aluminium systems, 33% giving pro-
tection to -20°C. This specification will
protect the entire glycol/water circuit
down to -16°C (-5°F).)
5
Mount the cap and security plate again.
Step Description
1
Use the interconnecting line (5-30m)
to connect the ACT-7 room unit to the
heat exchanger.
NB: The interconnecting line should
be routed carefully to avoid any
possibility of kinking or unnecessary
restrictions to the flow of water. The
line will be more likely to kink when
warm.
2
Connect the condensate drain to the
ACT-7 room unit.
3
Connect the condensate drain to the
heat exchanger by pushing the clear
hose ends into the grey connector.
Installation: Handling and set-up
Illustration
a
b
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