8 | Configuration
Installer reference guide
141
ERGA04~08DAV3(A) + EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618958-1 – 2020.03
Thermostat type
Only applicable in external room thermostat control.
Also see "8.5.3Main zone"[4127].
# Code Description
[3.A] [C‑06] External room thermostat type for the additional
zone:
▪ 1: 1 contact. Connected to only 1 digital
input (X2M/35a)
▪ 2: 2 contacts. Connected to 2 digital inputs
(X2M/34a and X2M/35a)
Leaving water temperature: Delta T
For more information, see "8.5.3Main zone"[4127].
# Code Description
[3.B.1] [1-0C] Delta T heating: A minimum temperature
difference is required for the good operation of
heat emitters in heating mode.
▪ If [2-0D] = 2, this is fixed to 10°C
▪ Else: 3°C~10°C
[3.B.2] [1-0E] Delta T cooling: A minimum temperature
difference is required for the good operation of
heat emitters in cooling mode.
▪ 3°C~10°C
8.5.5 Space heating/cooling
About space operation modes
Your unit can be a heating or a heating/cooling model:
▪ If your unit is a heating model, it can heat up a space.
▪ If your unit is a heating/cooling model, it can both heat up and cool down a
space. You have to tell the system which operation mode to use.
To determine if a heating/cooling heat pump model is installed
1 Go to [4]: Space heating/cooling.
2 Check if [4.1] Operation mode is listed and editable. If so, a
heating/cooling heat pump model is installed.
To tell the system which space operation to use, you can:
You can… Location
Check which space operation mode is currently used. Home screen
Set the space operation mode permanently. Main menu
Restrict automatic changeover according to a monthly
schedule.
To check which space operation mode is currently used
The space operation mode is displayed on the home screen:
▪ When the unit is in heating mode, the icon is shown.