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ENGLISH
Particularities of BA-AF reversible modules (cooling and heating)
To enable water coil antifreeze protection and avoid the appearance of errors in the display, it
will be necessary to install a specifi c temperature probe mounted directly over the hot water
coil outlet collector: 9036023200 SONDA PT1000 METALICA CURVA
Once installed, rewire the probe to the electric cabinet, according to the indications in the
electric diagrams annex.
It is possible to automatically detect the working mode (Cooling-Heating) by means of one
Change-over thermostat (accessory) 5416783700 THCO
The Change-Over thermostat must be mounted in the reversible coil inlet collector, from whe-
re it detects when the received water is cool or hot (heat pump in summer or winter mode)
Once installed, rewire the THCO thermostat to the electric cabinet, according to the indications
in the electric diagrams annex.
16.2.2. Filtration modules FBL-CA HE y FBL-HE
To supervise the fi lter clogging degree existing in the modules, it is necessary to install one of
the following pressure switches (accessory)
Code Reference Pressure range
5407004100 PRESOSTATO DPS 2-30 20 – 300 Pa
5209177800 PRESOSTATO DPS 10-100 100 – 1000 Pa
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