Daikin Altherma M ECH2O Series Installation And Maintenance Instructions Manual page 11

1 Solar feed or connection for further
heat source (1" IG)
2 Cold water connection (1" AG)
3 Hot water (1" AG)
4 Heating feed (1" AG)*
5 Heating return flow (1" AG)*
7a Recommended accessories:
non-return valves (2x)
8 Automatic bleeder
9 Storage tank (double walled jacket made
of polypropylene with PUR hard foam heat
insulation)
10 Filling and draining connection or
solar return flow connection
11 Mount for solar controller or handle
12 Heat exchanger (stainless steel) for do-
mestic hot water heating
13 Heat exchanger (stainless steel) for stor-
age tank charging and heating support
14 Heat exchanger (stainless steel) for pres-
surised solar system charging (type
EKHWMXB... only)
15 Connection for optional electric backup
heater EKBUxx (R 1½" IG)
16 Solar - inflow layering pipe
17 Fill level indicator (storage tank water)
Tab. 3-1 Legend for fig. 3-1 to fig. 3-3
Daikin Altherma M ECH O
2
Solar storage tank with heating controller
008.1446799_00 – 07/2019 – EN
18 Optional: electric backup heater
(EKBUxx)
19 Sensor immersion sleeve for storage tank
temperature sensor t
DHW
20 Pressure-free storage tank water
21 Solar zone
22 Hot water zone
23 Safety overflow connection
24 Mount for handle
25 Rating plate
26 Cover
27 Solar return flow
28 Solar feed (3/4" IG + 1" AG)
(type EKHWMXB... only)
29 Solar return flow (3/4" IG + 1" AG)
(type EKHWMXB... only)
30 Discharge fitting cover
31 Outdoor unit water inlet connection
(1" AG)*
32 Outdoor unit water outlet connection
(1" IG)*
33 Vent valve (manual)
34 Ball cock (heating circuit)*
35 Combined filling and draining valve (heat-
ing circuit)
38 Diaphragm expansion vessel connection
39 Controller housing with electr. connector
block
40 Holding burls for protective cover
41 EKSRPS4A
Optional: Daikin solar control and
pump unit
3 x Product description
3UVB1
3-way switch valve (internal heat genera-
tor circuit)
3UV DHW
3-way switch valve (hot water / heating)
P Pressure sensor
hyd
MAG
Diaphragm expansion vessel (optional)
SV Safety pressure relief valve (heating cir-
cuit)
t
DHW
Storage tank temperature sensor
t
V, BH
Backup heater feed temperature sensor
RoCon B1
Daikin Altherma M ECH O controller con-
2
trol panel
Safety devices
Observe tightening torque!
AG External thread
IG Internal thread
* Ball cock (1" IG) is supplied.
Installation and maintenance instructions
11