• Configuration 14: 2 heating circuits.
M
VE
CAR
Circuit 2
SA2
Circuit 1
SA1
VM2
SDp2
CC2
K2c
Br
M
SP
SE
R
R
Legend
AV
S
- Regulator
, 2nd circuit
CAR
- non return valve
CC2
- Heating circulator circuit 2
Br
- Burner
K2c
- 2nd circuit kit
R
- radiators (or fan-convectors)
SA1
-
Ambient probe circuit 1 (option)
SA2
-
Ambient probe circuit 2 (option)
SE
- outdoor probe
SDp2
- start probe circuit 2
SP
- Heated floor safety device
VE
- Expansion tank
VM2
- mixer valve circuit 2
Installation and operating manual
"
1605 - EN
"
- 53 -
alfea hybrid duo heat pump oil low NOx CH