Atlantic alfea extensa duo+ - Page 55

• Conguration 2: 2 heating circuits
Legend: AE - Back-up DHW AVS - Extension card, 2 circuits CAR - Non-return valve C - HP Circulation pump CCM - Mixed-circuit heat pump D - Shut-off
GS - Safety unit K2c - 2nd circuit kit MT - Thermostatic mixer valve PC - Floor heating system Pg - Bleeder valve R - Radiators SA1 - Room thermostat circuit 1 (option) SA2 - Room thermostat circuit 2 (option)
Sae - Temperature safety of domestic electrical back-up SaeC - Temperature safety (option Heating back-up option) SDp - HP Initial sensor SDpM - Mixed circuit output sensor SE - Outdoor sensor SP - Heated oor thermal safety fuse
SR - Return sensor Ssa - DHW sensor SSe - Safety valve VD - Distribution valve VE - Expansion vessel VM - Mixer valve
SE
Ssa
Sae
AE
R
R
PC
OU
SA1
SA2
SR
VE
C
VD
GS
MT
CAR
SDp
Pg
SaeC
SSe
D
M
SP
CCM
VM
SDpM
K2c
CAR
AVS
OR
Circuit 1 Circuit 2
SA2
SA1
Installation and operating manual "1578 - EN" - 55 -
Heat Pump alféa extensa duo +