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TAB.8 KEY
29.10.
A1
Anti-interference filter
A2
Soft start
As per standard on single-phase versions, according to the
configurator choice for the three-phase versions
A3
Electronic control (pCO
xs
)
A4
Expansion of the controller (pCO
e
)
A5
Driver for thermostatic valve
A6
Control keyboard (PGD0)
A7
Geothermal pump condensation control board
A8
Solar kit/Freecooling kit /Second zone control kit
(ACCESSORY)
BP1
High pressure transducer
BP2
Low pressure transducer
BT1
Floor control temperature probe
USER’S RESPONSIBILITY
BT2
External air temperature probe for compensation
BT3
Storage water temperature probe
BT4
Plant INLET water probe
BT5
Plant OUTLET water probe
BT6
Geothermal or Well INLET water probe
BT7
Geothermal or Well OUTLET water probe
BT8
Compressor gas intake probe
C1
Compressor start condenser
PRESENT ONLY IN SINGLE-PHASE VERSIONS
E1
Plant pump
E2
Geothermal pump (only for geothermal applications)
E3
DHW pump
F1
High pressure safety pressure switch
F2
Plant differential pressure switch
F3
DHW flow switch
F4
Geothermal differential flow switch/well flow switch
FU1
Plant pump fuse
FU2
Geothermal pump fuse
FU3
DHW pump fuse
FU4
230V (3.15A) primary circuit fuse
FU5
230V (400mA) secondary circuit fuse
FU6
24V (5A) secondary circuit fuse
FU7
Condensation control board fuse
FU8
Integration resistances fuse
(IF ENVISIONED BY CONFIGURATOR)
KA1
High pressure alarm relay
KA2
Compressor control relay
PRESENT ONLY IN SINGLE-PHASE VERSIONS
KM1
Compressor contactor
KM2
Integration resistances contactor
(IF ENVISIONED BY CONFIGURATOR)
QF1
Main differential switch
NON FORNITO, A CARICO DELL’UTENTE
QM1
Compressor magnet circuit breaker switch
QS1
Door-lock isolating switch
R1-2
Domestic hot water DHW integration resistances
(IF ENVISIONED BY CONFIGURATOR)
SA1
Input control from zone 1 thermostat and/or programmer clock (ACCESSORY)
SA2
Reduced set-point
SA3
Output for integration resistances control
(IF ENVISIONED BY CONFIGURATOR)
TC1
230Vac 63 VA safety transformer
TC2
24Vac 75 VA safety transformer
THS1
Integration resistances safety thermostat
NOT SUPPLIED, USER’S RESPONSIBILITY
YV1
Cycle reversing valve
YV2
Well two-way valve
(ONLY PRESENT FOR SHEET WATER APPLICATIONS)
YV3
Plant mixer valve
YV4
Electronic thermostatic valve
Z1
Compressor
48