73
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
3.6 STORAGE TANK UNIT
e indoor unit is prepared for connect ion to a storage tank unit,
which must be connected to terminals 37 and 38 of the terminal
board (placed inside the connections compartment), eliminating
resistance R8.
3.7 SYSTEM FILTER
e indoor unit has a lter on the system return cock to keep the
system in good operating conditions.
Periodically and when necessary, the lter can be cleaned as de-
scribed below (Fig. 64).
Close the tap (3) with a size 12 spanner and tap (5) by hand, drain
out the water contained in the indoor unit using the draining
valve (4).
Open the cap (1) and clean the lter (2).
1
2
3
5
4
64
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