Fujitsu AOYA18LALL Installation And Operating Manual page 51

Heat pump, Split, single service
Configuration 4
2 heating circuits and DHW tank.
Overall hydraulic layout
SE
Overview of all the electrical connections
4
SE
10
3
1
2
Legend
AE - Electric back-up
CAR - Non-return valve
CC1 - Heating circulation pump,
Circuit 1 (Remote heat pump
circulation pump)
CC2 - Heating circulation pump,
Circuit 2
Installation and operating manual "1350-EN"
K2c
CAR
CAR
6
K2c
KS - DHW kit
K2c - 2nd circuit kit
R - Radiators (or fan convectors)
SA1 - Room thermostat, Circuit 1
(option)
SA2 - Room thermostat, Circuit 2
(option)
KS
VD
M
CC2
CC1
M
VM1
SDp1
8
7
9
KS
VD
M
CC2
11
AVS
13
12
14
CC1
M
VM1
SDp1
F
See detailed instructions
on Page 47
Circuit 2
SSa
R
AE
Circuit 1
SP
Circuit 2
SSa
R
AE
Circuit 1
20
SP
SE - Outdoor sensor
SDp1 - Flow sensor, Circuit 1
SSa - DWH sensor
SP - Heated floor thermal safety
fuse
VD - Distribution valve
VM1 - Mixer valve, Circuit
SA2
SA1
R
5
5
SA2
SA1
R
51