Daikin Altherma M ECH2O Series Installation And Maintenance Instructions Manual page 60

9 x Hydraulic system connection
Short name
1 Cold water distribution network
2 Hot water distribution network
3 Heating flow
4 Heating return flow
5 Mixer circuit (optional)
6 Circulation (optional)
7 Check valve, return valve
7a Non-return valves
8 Solar circuit
9 Gas pipe (refrigerant)
10 Fluid pipe (refrigerant)
3-way switch valve (internal heat generator cir-
3UVB1
cuit)
3UV DHW 3-way switch valve (hot water / heating)
EKBUxx Backup heater
C Refrigerant compressor
CW Cold water
DHW Domestic hot water
E Expansion valve
FlowSensor - solar throughput and inflow tem-
FLS
perature measurement
H H ... H Heating circuits
1, 2 m
MAG Diaphragm expansion vessel
MIX 3-way-mixer with drive motor
MK1 Mixer group with high-efficiency pump
Mixer group with high-efficiency pump (PWM-
MK2
regulated)
P Mixing circuit pump
Mi
P Solar operating pump
S
P Circulation pump
Z
PWT Panel heat exchanger (condenser)
RoCon mb Controller for Daikin Altherma M ECH
EHS157068 Mixer circuit control
EKSRPS4A Solar control and pump unit
SAS1 Sludge and magnetic separator
SK Solar panel field
SV Safety overpressure valve
t Outside temperature sensor (optional)
AU
Storage tank temperature sensor (heat genera-
t
DHW
tor)
t Inflow temperature sensor, mixer circuit
Mi
t Solar collector temperature sensor
K
t Solar return flow temperature sensor
R
T Solar flow temperature sensor
V
V Fan (vaporiser)
VS Scalding protection VTA32
Tab. 9-1 Abbreviations on hydraulics plans
Installation and maintenance instructions
60
Meaning
+
O
2
Daikin Altherma M ECH O
2
Solar storage tank with heating controller
008.1446799_00 – 07/2019 – EN