![background image](http://html.mh-extra.com/html/daikin/altherma-ehy2komb28aa/altherma-ehy2komb28aa_installers-reference-manual_501275058.webp)
10 Configuration
Installer reference guide
58
EJHA EHY32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
#
Code
Description
[A.2.1.9]
[F-0D]
<< continuation
▪ 1 (Sample): The pump is ON when
there is heating demand as the leaving
water temperature has not reached
the desired temperature yet. When
thermo OFF condition occurs, the
pump runs every 5 minutes to check
the water temperature and demand
heating if necessary.
Remark:
Sample
is NOT available in external room
thermostat control or room thermostat
control.
a
b
d
e
f
c
g
b
c
▪ a: Space heating control (user
interface)
▪ b: OFF
▪ c: ON
▪ d: LWT temperature
▪ e: Actual
▪ f: Desired
▪ g: Pump operation
continued >>
[A.2.1.9]
[F-0D]
<< continuation
▪ 2 (Request): 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.
Remark:
Request is NOT available in leaving
water temperature control.
a
d
e
b
b
c
b
c
c
▪ a: Space heating control (user
interface)
▪ b: OFF
▪ c: ON
▪ d: Heating demand (by ext RT or
RT)
▪ e: Pump operation
[A.2.1.C]
[E-0D]
Glycol present:
▪ 0 (No): No glycol was added to the
water circuit.
▪ 1 (Yes): Glycol was added to the water
circuit to protect it against freezing.
#
Code
Description
[A.2.1.E]
[C-02]
Hybrid system type:
▪ 0
(Boiler):
In
case
of
EHY32AA gas boiler.
▪ 1 (Bivalent boiler ): In case of third-
party gas boiler.
By default, this setting is set to 1, and
only the settings applicable for the third-
party gas boiler are displayed.
When the unit detects communication
from the EHY32AA gas
boiler, the unit automatically changes
this setting to 0, and all settings
applicable for the EHY32AA
gas boiler are displayed.
Quick wizard: Options
Domestic hot water settings
Only applicable in case of EHY32AA gas boiler.
Following settings must be made accordingly.
#
Code
Description
[A.2.2.1]
[E‑05]
Domestic hot water preparation:
▪ 0 (No): NOT possible
▪ 1 (Yes): Possible
[A.2.2.2]
[E‑06]
Domestic hot water tank installed in the
system?
▪ 0 (No): 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]
Domestic hot water tank:
▪ 0 (Type 1): EKHWS*D* or third-party
tank (see below).
▪ 4 (Type 5). EKHWP.
▪ 6 (Type 7) Third-party tank.
Range: 0~6
[A.2.2.A]
[D‑02]
In case a tank is installed, the outdoor
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]=1
▪ 0 (No): 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 outdoor 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.
Содержание Altherma EHY2KOMB28AA
Страница 112: ...4P531180 1 2018 06 Copyright 2018 Daikin ...