Daikin CHYHBH05AA Installer's Reference Manual page 49

# Code
[A.2.1.9] [F-0D] When the space heating control is OFF
by the user interface, the pump is always
OFF, unless pump operation is required
due to safety precautions. When the
space heating control is On, you can
select the desired pump operation mode
(only applicable during space heating)
Pump operation mode:
▪ 0 (Continuous): Not applicable.
▪ 1 (Sample): Not applicable.
# Code
[A.2.1.9] [F-0D] << continuation
▪ 2 (Request)(default): Pump operation
based on request. Example: Using a
room thermostat creates thermo ON/
OFF condition. When there is no such
demand, the pump is OFF.
a
b
d
e
b
▪ a: Space heating control (user
▪ b: OFF
▪ c: On
▪ d: Heating demand (by ext RT or
▪ e: Pump operation
Quick wizard: Options
Domestic hot water settings
Following settings must be made accordingly.
# Code
[A.2.2.1] [E‑05] Domestic hot water preparation:
▪ 0 (No): NOT possible
▪ 1 (Yes)(default): Possible
[A.2.2.2] [E‑06] Domestic hot water tank installed in the
system?
▪ 0 (No)(default): the domestic hot water
will be produced by the boiler when
there is a demand.
▪ 1 (Yes): the domestic hot water will be
produced by the tank.
Note: For Switzerland, setting MUST be
"1".
[A.2.2.3] [E‑07] What kind of domestic hot water tank is
installed?
▪ 4 (Type 5). EKHWP.
▪ 6 (Type 7) Third-party tank.
Range: 0~6.
CHYHBH05+08AA + EHYKOMB33A
Daikin hybrid for multi heat pump – heat pump module
4P471761-1A – 2017.10
Description
continued >>
Description
c
c
b
c
interface)
RT)
Description
# Code
[A.2.2.A] [D‑02] In case a tank is installed, the indoor unit
offers the possibility to connect a field
supplied domestic hot water pump (On/
OFF type). Depending on the installation
and configuration on the user interface,
we distinguish its functionality. Not
applicable for Switzerland.
In case of [E‑06]=0
▪ 0 (No)(default): NOT installed
▪ 1 (Secondary rtrn): Installed for instant
hot water when hot water is tapped.
The end-user sets the operation timing
(weekly schedule time of the domestic
hot water pump when it should run.
Control of this pump is possible
through the indoor unit. The target
temperature
function is a minimum of 45°C, or the
domestic hot water setpoint set in the
domestic hot water home screen
(provided it is >45°C).
In case of [E‑06]=1
▪ 0 (No)(default): NOT installed
▪ 1 (Secondary rtrn): Installed for instant
hot water when water is tapped. The
end-user sets the operation timing
(weekly
domestic hot water pump when it
should run. Control of this pump is
possible through the indoor unit.
▪ 2
disinfection.
disinfection function of the domestic
hot water function is running. No
further settings are needed.
See also illustrations below.
NOTICE
If a domestic hot water pump for instant hot water is
present in the system ([D‑02]=1), scaling of the boiler heat
exchanger can occur faster due to more frequent domestic
hot water operation.
In case of [E‑06]=0
INFORMATION
Not applicable for Switzerland.
Domestic hot water pump installed for instant hot water
b
a
f e
a Indoor unit
b Hot water connection on boiler
c Domestic hot water pump (field supply)
d Shower (field supply)
e Inlet on boiler
f Recirculation thermistor (EKTH2) (field supply)
g Water supply
h Non-return valve (field supply)
In case of [E‑06]=1
8 Configuration
Description
of the recirculation
schedule time) of the
(Disinf. shunt): Installed
It runs when the
d
h
c g
Installer reference guide
49
for