Daikin ATB03RA, Технические данные инструкция

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Databook Modular T - October 2022 - Rev. 00 20
4.11.2. Smart Version
In accordance with the image here below showed, adding a pre-electrical heater (ATD**HEFBU) is mandatory
for outdoor temperature lower than -5°C for either tackling or preventing frost issue.
The unit has been equipped with a differential pressure switch to prevent a possible risk of icing at heat
exchanger level. Depending on the working condition, the installer must adjust the setting according the
charts below.
Temp
Lim
it
Main Module
ATB*S / SB.ATB*S
10
0
-10 -5 -15 45 … -20
Main Module
ATB*S
SB.ATB*S
Preheating electric coil
ATD*HEFBU
Outdoor Temperature (°C)