Application Examples With 2 Or More Different Heat Emitters And 1 Heat Source (Ekhbrd Unit) - Daikin Altherma EKHBRD014ADV17 Installation Manual

Application examples with 2 or more different heat
emitters and 1 heat source (EKHBRD unit)
Using different heat emitters means using different water set points
for the system.
Such installations must be done using a balancing bottle and each
kind of heat emitter should have a specific pump.
I
Application 4
Space heating provided through a combination of floor heating
loops, fan coil unit and radiator heating. For floor heating
applications in combination with radiators the water temperature
delivered by the Daikin system is too high. For this reason a
temperature reducing device (field supply) is required to lower
the water temperature (the hot water will be mixed with cold
water to lower the temperature). The control of this field supplied
valve is not done by the heat pump system. The operation and
configuration of the field water circuit and selection of the
balancing bottle, the pumps, etc..., are the responsibility of the
installer. Daikin only offers the possibility to have multiple set
points on request.
I Pattern A
The domestic hot water tank is installed in parallel with the
temperature reducing device(s). This allows operating the
unit in space heating and domestic water heating
simultaneously. The balancing of the water distribution is in
this case the responsibility of the installer.
C1
1 2 3 4 3 5 6
9
12 13
FHL
35°C
TRD1
19
18
11
1 Outdoor unit
2 Indoor unit
3 Electronic expansion
valve
4 Refrigerant heat
exchanger
5 Water heat exchanger
6 Pump
8 Domestic hot water
tank (optional)
9 Compressor
10 Shut-off valve
11 Balancing bottle
(field supply)
12 FHL: Floor heating
loop (field supply)
EKHBRD011~016ADV17+Y17
Indoor unit for air to water heat pump system
4P402191-1B – 2017.09
10
10
14 15 16 14 17
FCU
45°C 65°C
TRD2
19 19
18
20 20
14 By-pass valve
(field supply)
15 FCU: Fan coil unit or
FWXV (optional)
16 Shut-off valve
(field supply)
17 Radiator (field supply)
18 Mixing valve
(field supply)
19 Pump (field supply)
20 Non-return valve
(field supply)
21 Valve (field supply)
(refer to "Multiple set
point control" on
page 29 for more
details)
13 Shut off valve (field
supply) or EKVKHPC
2-way valve kit for heat
pump convector
(optional)
I Pattern B
The domestic hot water tank is installed in a separate circuit
(with a 3-way valve) of the temperature reducing device(s).
This configuration does not allow simultaneous domestic hot
water and space heating operation.
1
8
1 Outdoor unit
2 Indoor unit
3 Electronic expansion
valve
4 Refrigerant heat
exchanger
19
5 Water heat exchanger
21
6 Pump
20
7 Motorized 3-way valve
(optional)
8 Domestic hot water
tank (optional)
9 Compressor
10 Shut-off valve
11 Balancing bottle
(field supply)
12 FHL: Floor heating loop
(field supply)
Refer to the chapter
for more information about the configuration of your system.
C1 Remote controller
TRD1 Temperature reducing
device 1
TRD2 Temperature reducing
device 2
C1
2 3 4 3 5 6 7 8
M
9
10
12 13 14 15
FHL
FCU
35°C 45°C
TRD1 TRD2
19
19
18
18
11
20
13 Shut off valve (field
supply) or EKVKHPC
2-way valve kit for heat
pump convector
(optional)
14 By-pass valve
(field supply)
15 FCU: Fan coil unit or
FWXV (optional)
16 Shut-off valve
(field supply)
17 Radiator (field supply)
18 Mixing valve
(field supply)
19 Pump (field supply)
20 Non-return valve
(field supply)
C1 Remote controller
TRD1 Temperature reducing
device 1
TRD2 Temperature reducing
device 2
"Multiple set point control" on page 29
10
16 14 17
65°C
19
20
Installation manual
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