Daikin Altherma EHVZ04S18CB, Installation Manual

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5 Configuration
Installation manual
14
EHVZ04~16S18CB3V
Daikin Altherma – Low temperature split
4P401672-1D – 2017.04
5.2.2 Quick wizard: Standard
Backup heater configuration (only for *9W model)
# Code Description
[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 Backup heater operation
If backup heater
step 1 is active: If backup heater
step 2 is active:
1/1+2 Relay 1 ON Relays 1+2 ON
1/2 Relay 1 ON Relay 2 ON
Space heating settings
# Code Description
[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 (Sample): When thermo OFF
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.
5.2.3 Quick wizard: Options
Domestic hot water settings
# Code Description
[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 (Disinf. shunt): Installed for
disinfection
See also illustrations below.
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
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
indoor unit (1)
User interface at
main zone
External room
thermostat at
additional zone
When [C‑07]=1 (Ext RT control)
User interface at
indoor unit
External room
thermostat at main
zone
External room
thermostat at
additional zone
(1) Not mandatory.