Innova 3in1 5M Installer Manual page 32

INSTALLATION
Terminal blocks for version with resistances
MR
Terminal block for version with heating elements
Power connection terminal blocks and auxiliary
contacts
XP1 single-phase terminal block
DR
Connection for pan heater Kit DR0656 (max. 1A)
CA
Auxiliary heater consent (max. 2A)
T�EXT External air sensor temperature (max. 50 m)
SC
Sanitary boiler consent
ON
Remote ON/OFF contact (or SAN ON/OFF)
TA
Ambient thermostat called heating/cooling
AL
Anti-legionella clock contact (or summer/winter, open winter)
U2 U1 Serial connection of external unit terminals U2/U1
EXTERNAL UNIT
Outdoor unit electrical terminal block
POWER SUPPLY
230V AC power supply terminal block
DR CA T.EXT SC
32
XP2 MONOFASE
MORSETTIERA CONTATTI AUSILIARI
ON TA AL U2 U1
XP2 TRIFASE
XP1
MORSETTIERA DI POTENZA
EXTERNAL POWER
UNIT SUPPLY