Daikin EHVZ08S18CB3V [43/92] Configuration
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Daikin EHVZ08S18CB3V [43/92] Configuration

Daikin EHVZ08S18CB3V [43/92] Configuration
8 Configuration
Installer reference guide
43
ERLQ004~008CA + EHVZ04+08S18CB
Daikin Altherma – Low temperature split
4P401676-1D – 2018.07
# Code Description
[A.2.1.8] [7-02] The system can supply leaving water to
up to 2 water temperature zones. During
configuration, the number of water zones
must be set.
Number of LWT zones: This unit is
designed for 2 leaving water temperature
zones. Do NOT change this setting.
▪ 0 (1 LWT zone): N/A.
▪ 1 (2 LWT zones)(default): 2 leaving
water temperature zones. The zone
with the lowest leaving water
temperature is called the main leaving
water temperature zone. The zone
with the highest leaving water
temperature is called the additional
leaving water temperature zone. In
practice, the main leaving water
temperature zone consists of
underfloor heating and the additional
water temperature zone consists of
radiators or heat pump convectors.
M
FHL1 FHL2 FHL3
HPC1 HPC2 HPC3
a
b
▪ a: Add LWT zone
▪ b: Main LWT zone
# Code Description
[A.2.1.9] [F-0D] When the space heating control is OFF
by the user interface, the pump is always
OFF. When the space heating control is
On, you can select the desired pump
operation mode (only applicable during
space heating). This is applicable for
both temperature zones.
Pump operation mode:
▪ 0 (Continuous): Continuous pump
operation, regardless of thermo ON or
OFF condition. Remark: continuous
pump operation requires more energy
than sample or request pump
operation.
a
b c
d
b c
▪ a: Space heating control (user
interface)
▪ b: OFF
▪ c: On
▪ d: Pump operation
continued >>
# Code Description
[A.2.1.9] [F-0D] << continuation
▪ 1 (Sample): The pump is ON when
there is heating demand and 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 >>
# Code Description
[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. 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
8.2.3 Quick wizard: Options
Domestic hot water settings
Following settings must be made accordingly.

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