Daikin ERGA08DAV3 Installer's Reference Manual page 68

8 Configuration
Boiler efficiency
Depending on the used boiler, this should be chosen as follows:
# Code
[9.C.2] [7‑05] ▪ 0: Very high
▪ 1: High
▪ 2: Medium
▪ 3: Low
▪ 4: Very low
Possibility 1: Based on the outdoor temperature
Set all electricity prices ([7.5.1]~[7.5.3]) to "0" in the menu structure.
Also set the following values:
NOTICE
Do NOT use overview settings!
# Code
[9.C.3] [C-03] Bivalent ON temperature: Defines the
outdoor temperature below which the
permission signal for the auxiliary boiler
is active (X1 and X2 on EKRP1HB is
closed) and space heating by indoor unit
is stopped.
[9.C.4] [C-04] Hysteresis: Defines the temperature
difference between the ON temperature
and the OFF temperature.
Permission signal X1–X2
a
[C-04]
b
T
A
[C-03]
T Outdoor temperature
A
[C-03] Bivalent ON temperature (fixed)
a Auxiliary boiler active
b Auxiliary boiler inactive
Possibility 2: Based on the outdoor temperature and energy prices
The installer can set a temperature range [C‑04]. Depending on the
energy prices, a calculated point T
[C‑03] and [C‑03]+[C‑04]. It is recommended to choose [C‑04] bigger
than the default value to have an optimal operation when choosing
possibility 2.
Electricity and gas prices
# Code
[7.5.1] N/A Electricity price > High
Electricity price > Medium
[7.5.2] N/A
Electricity price > Low
[7.5.3] N/A
[7.6] N/A Gas price
INFORMATION
Electricity price can only be set when bivalent is ON
([9.C.1] or [C-02]). These values can only be set in menu
structure [7.5.1], [7.5.2] and [7.5.3]. Do NOT use overview
settings.
When the outdoor temperature reaches below the T
the permission signal for the auxiliary boiler becomes active. To
prevent too much switching, there is a hysteresis of 3°C.
# Code
[9.C.3] [C-03] Bivalent ON temperature: Below this
temperature bivalent operation will
always be ON.
Installer reference guide
68
Description
Description
varies within a range between
calc
Description
point, then
calc
Description
# Code
[9.C.4] [C-04] Operation range between which T
calculated.
Permission signal X1–X2 (EKRP1HB)
3°C
a
b
T [C-03]+[C-04]
[C-03]
calc
T
A
T Outdoor temperature
A
T Bivalent ON temperature (variable). Below this
calc
temperature, the auxiliary boiler will always be ON. T
never go below [C‑03] or above [C‑03]+[C‑04].
a Auxiliary boiler active
b Auxiliary boiler inactive
CAUTION
Make sure to observe all rules mentioned in application
guideline 5 when bivalent operation function is enabled.
Daikin shall NOT be held liable for any damage resulting
from failure to observe this rule.
Alarm output
Alarm output
# Code
[9.D] [C–09] Alarm output: Indicates the logic of the
alarm output on the digital I/O PCB
during malfunctioning.
▪ 0 Abnormal: The alarm output will be
powered when an alarm occurs. By
setting this value, a distinction is made
between the detection of an alarm,
and the detection of a power failure.
▪ 1 Normal : The alarm output will NOT
be powered when an alarm occurs.
See also table below (Alarm output
logic).
Alarm output logic
[C-09] Alarm
0 Closed output
1 Open output
Auto restart
Auto restart
When power returns after a power supply failure, the auto restart
function reapplies the remote controller settings at the time of the
power failure. Therefore, it is recommended to always enable the
function.
If the preferential kWh rate power supply is of the type that power
supply is interrupted, always enable the auto restart function.
Continuous indoor unit control can be guaranteed independent of the
preferential kWh rate power supply status, by connecting the indoor
unit to a normal kWh rate power supply.
# Code
[9.E] [3-00] Auto restart:
▪ 0: Manual
▪ 1: Automatic
ERGA04~08DAV3(A) + EHVZ04+08S18+23DA +
Description
is
calc
can
calc
Description
No alarm No power
supply to unit
Open output Open output
Closed output
Description
EHVZ04+08S18+23DJ
Daikin Altherma 3 R F
4P495249-1B – 2019.06