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5 Configuration
5.2.2
Quick wizard: Standard
Backup heater configuration (only for *9W model)
#
Code
[A.2.1.5]
[5-0D]
BUH type:
▪ 1 (1P,(1/1+2)): 6 kW 1~ 230 V (*9W)
▪ 3 (3P,(1/1+2)): 6 kW 3~ 230 V (*9W)
▪ 4 (3PN,(1/2)): 6 kW 3N~ 400 V (*9W)
▪ 5 (3PN,(1/1+2)): 9 kW 3N~ 400 V
(*9W)
Backup heater relay setting
Relay setting
If backup heater
step 1 is active:
1/1+2
Relay 1 ON
1/2
Relay 1 ON
Space heating settings
#
Code
[A.2.1.7]
[C-07]
Unit temperature control:
▪ 0 (LWT control): Unit operation is
decided based on the leaving water
temperature. This applies to both
temperature zones.
▪ 1 (Ext RT control): Unit operation is
decided by the external thermostat.
This applies to both temperature
zones.
▪ 2 (RT control): Unit operation for the
main temperature zone is decided
based on the ambient temperature of
the user interface. The additional
temperature zone is controlled by the
external thermostat.
[A.2.1.B]
N/A
Only if there are 2 user interfaces:
User interface location:
▪ At unit
▪ In room (controlling the main zone)
[A.2.1.8]
[7-02]
Number of water temperature zones:
▪ 0 (1 LWT zone): Main
▪ 1 (2 LWT zones): Main + additional
[A.2.1.9]
[F-0D]
Pump operation:
This is applicable for both zones
▪ 0 (Continuous): Continuous pump
operation, regardless of thermo ON or
OFF condition.
▪ 1
condition occurs, the pump runs every
5 minutes and the water temperature
is checked. If the water temperature is
below target, unit operation can start.
▪ 2 (Request): Pump operation based
on request. Example: Using a room
thermostat and thermostat creates
thermo ON/OFF condition.
(1) Not mandatory.
Installation manual
14
Description
Backup heater operation
If backup heater
step 2 is active:
Relays 1+2 ON
Relay 2 ON
Description
(Sample):
When
thermo
OFF
5.2.3
Quick wizard: Options
Domestic hot water settings
#
Code
[A.2.2.1]
[E-05]
DHW operation:
Can the system prepare domestic hot
water?
▪ 0 (No): NOT installed
▪ 1 (Yes): Installed
[A.2.2.3]
[E-07]
DHW tank type:
▪ 0 (Type 1): N/A.
▪ 1 (Type 2)(default). The backup heater
will also be used for domestic hot
water heating.
Range: 0~6. However, values 2~6 are
not applicable for this setting. If the
setting is set to 6, an error code will
appear and the system will NOT operate.
[A.2.2.A]
[D-02]
Domestic hot water pump:
▪ 0 (No): NOT installed
▪ 1 (Secondary rtrn): Installed for instant
hot water
▪ 2
disinfection
See also illustrations below.
Domestic hot water pump installed for...
Instant hot water
c
a
f
b
g
a
Indoor unit
b
Tank
c
Domestic hot water pump
d
Heater element
e
Non‑return valve
f
Shower
g
Cold water
Thermostats and external sensors
Following combinations are possible to control the unit (not
applicable when [C‑07]=0):
When [C‑07]=2 (RT control)
User interface at
User interface at
(1)
indoor unit
main zone
When [C‑07]=1 (Ext RT control)
User interface at
External room
indoor unit
thermostat at main
Description
(Disinf.
shunt):
Installed
Disinfection
c
a
d
b
e
External room
thermostat at
additional zone
External room
thermostat at
zone
additional zone
EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1E – 2018.02
for
f
g
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