Daikin EHYKOMB33AA2 [55/136] Configuration

Daikin EHYKOMB33AA2 [55/136] Configuration
8 Configuration
Installer reference guide
55
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1A – 2016.02
# Code Description
[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.
[A.2.2.3] [E‑07] What kind of domestic hot water tank is
installed?
4 (Type 5): EKHWP tank.
6 (Type 7): Third-party tank.
Range: 0~6.
[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.
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 of the recirculation
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 schedule time) of the
domestic hot water pump when it
should run. Control of this pump is
possible through the indoor unit.
2 (Disinf. shunt): Installed for
disinfection. It runs when the
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
Domestic hot water pump installed for instant hot water
c
d
a
b
ef g
h
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
Domestic hot water pump installed for…
Instant hot water Disinfection
c
f
b
a
g
c
b
a
d f
e g
a Indoor unit
b Tank
c Domestic hot water pump (field supply)
d Heater element (field supply)
e Non‑return valve (field supply)
f Shower (field supply)
g Cold water
INFORMATION
The correct domestic hot water default settings becomes
only applicable when domestic hot water operation is
activated ([E‑05]=1).
Thermostats and external sensors
NOTICE
If an external room thermostat is used, the external room
thermostat will control the room frost protection. However,
the room frost protection is only possible if the leaving
water temperature control on the unit's user interface is
turned ON.
# Code Description
[A.2.2.4] [C-05] Contact type main
In external room thermostat control, the
contact type of the optional room
thermostat or heat pump convector for
the main leaving water temperature zone
must be set.
1 (Thermo ON/OFF)(default): The
connected external room thermostat or
heat pump convector sends the
heating or cooling demand by the
same signal as it is connected to only
1 digital input (preserved for the main
leaving water temperature zone) on
the indoor unit (X2M/1). Select this
value in case of a connection to the
heat pump convector (FWXV).
2 (H/C request): The connected
external room thermostat sends
separate heating and cooling demand
and is therefore connected to the 2
digital input (preserved for the main
leaving water temperature zone) on
the indoor unit (X2M/1 and 2). Select
this value in case of connection with
the wired (EKRTWA) or wireless
(EKRTR1) room thermostat.

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