Solution For Oil Or Gas Condensing Boilers; Solution For Sanitary Side Connection - Daikin Altherma ST EKHWCH300B Installation And Operating Manual

6 Hydraulic
6.1.3

Solution for oil or gas condensing boilers

6‒3 Standard connection schematic with condensing boiler and pressurised solar system
6.1.4

Solution for sanitary side connection

Observe legal regulations according to
connection" [ 4 5]
side
6‒4 Standard connection schematic for sanitary side
6‒1 Short names in hydraulic drawings
Short name
a Cold water distribution network
b Hot water distribution network
c Heating flow
d Heating return flow
e Non return valve (circulation brakes e.g. SKB)
f Solar circuit
g Circulation (optional, if permitted according to local
legislation)
(1)
The displayed system schematic do not claim to be complete and do not replace careful system planning.
Legend see " 6‒1 Short names in hydraulic
Installation and operating manual
22
"1.2.6 Heating and sanitary
Meaning
drawings" [ 4 22].
(1)
Short name
h Non return valve
i Pressure reducer
k Manometer
l Shut-off valve
3UV1 3-way switch valve (DHW)
3UV2 3-way switch valve (cooling)
3UV3 3-way switch valve (heating support)
cbo Oil or gas condensing boiler (Daikin Altherma C Oil
shown as example)
BSK Burner blockage contact in EKSRPS4A
BV Overflow valve
CW Cold water
CWD Cold water distribution
DHW Domestic hot water
DSR1/2 Solar differential temperature control unit
EHS157068 Mixer circuit control unit
EKBUxC Electric immersion heater
EKSRDS2A Pressure station
EKSRPS4A Solar control and pump unit
EP3 Hot water module E-Pac LT (heating/cooling)
FLG FlowGuard - solar regulating valve
FLS FlowSensor - solar flow and flow temperature
measurement
H , H ... H Heating circuits
1 2 m
Daikin Altherma ST (Hot water storage tank)
Meaning
EKHW(D/C/P)(300/500)(P)B
008.1633099_00 – 06/2020