Daikin FLOSTO150, Installation And Operating Instructions Manual, Page: 16 / 24

7 Hydraulic connection
Installation and operating instructions
16
Daikin FLOSTO150
Hot water storage tank
008.1632099_00 – 03/2019 – EN
7 Hydraulic connection
7.1 Hydraulic system connection
Brief designa-
tion
Meaning
1 Cold water distribution network
2 Hot water distribution network
3 Heating inflow
4 Heating return flow
5 Mixer circuit
7 Check valve, non-return valve
7a Circulation brakes
3UV DHW/
3UV1 3-way distribution valve (hot water/heater)
3UVB1 3-way mixer valve (heater/internal boiler circuit)
CW Cold water
DHW Domestic hot water
DS Pressure sensor
FLS FlowSensor - flow rate and inflow temperature
measurement
H
1,
H
2
… H
m
Heating circuits
MAG Diaphragm expansion vessel
MIX 3-way mixer with drive motor
MK1 Mixer group with high-efficiency pump
MK2 Mixer group with high-efficiency pump (PWM-regu-
lated)
P
K
Boiler circuit pump
P
Mi
Mixer circuit pump
RoCon BF Oil condensing boiler control
EHS157068 Mixer circuit control
SV Safety overpressure valve
t
AU
Outside temperature sensor
t
DHW
Storage tank temperature sensor
t
Mi
Inflow temperature sensor, mixer circuit
T
V1
Inflow temperature sensor
t
V2
Internal mixer sensor
t
R
Return flow temperature sensor
Tab. 7-1 Abbreviations on hydraulics plans
P
K
SV
MAG
A2 F Flosto
t
V1
t
R
MIX
H
2
P
MI
t
MI
t
AU
M
RoCon M1
H
1
MK1/MK2
DHW
VS
t
DHW
DS
SV
CW
)F
B(
no
Co
R
M
A B
AB
3UV1
Fig. 7-1 Connection diagram of oil condensing boiler with hot wa-
ter storage tank with valve kit