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manual
HRC
70
PILOT -PREMIUM-
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56
L1 + L2 + L3 + N + Terre .....= 400 V three-phase electrical supply for the HRC
70
Pilot (factory wired) (for a 230 V
single-phase electrical supply, see § Connect the Pilot to the power supply)
C PAC ..........................................= Heat Pump circuit circulator
C chauf. 1 ..................................= Heating circuit 1 circulator
C chauf. 2 ..................................= Heating circuit 2 circulator (optional)
CD ................................................= Heat Pump circuit flow rate monitor
SP .................................................= HRC
70
pilot temperature sensor ( TSeau entry on electronics board)
AQS .............................................= 110 °C safety aquastat - manual reset
CP ................................................= HRC
70
Pilot water pressure gauge
Sext. ............................................= HRC
70
Pilot - Heat Pump exterior sensor (entry Ext./board)
TA1 ..............................................= Heating circuit 1 ambient temperature thermostat (entry Amb1 / board) (option)
ou SA1 B ....................................= Heating circuit 1 ambient temperature sensor with display (entry Amb1 / board)
(option)
TA2 ..............................................= Heating circuit 2 ambient temperature thermostat (entry Amb2 / board) (option)
ou SA2 .......................................= Heating circuit 2 ambient temperature sensor (entry Amb2 / board) (option)
AQ ECS .......................................= Heating circuit 2 domestic water aquastat (entry Amb2 / board)
ou SECS .....................................= Heating circuit 2 domestic water sensor (entry Amb2 / board) (option)
Del ..........................................= Load shedding contact
HP/HC ........................................= Entry HP/HC (or electricity provider contact)
App1 .......................................= Exit 230 V electrical back-up control 1
st
stage
App2 .......................................= Exit 230 V electrical back-up control 2
nd
stage
Legend :
•
HRC
70
Pilot electrical schematic diagram
•
HRC
70
Pilot internal wiring schematic diagram