Daikin Altherma 3 HT, Installer'S Reference Manual

Page: 171 / 288

10 | Configuration
Installer reference guide
171
EPRA14~18D + ETVH/23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
# 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 "10.5.3 Main zone" [ 4 156].
# 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.
▪ For E models:
- If [2-0D]=2, this is fixed to 10°C
- Else: 3°C~10°C
▪ For E7 models:
- If [2-0D]=2: 10°C~12°C
- Else: 3°C~12°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
WD curve type
There are 2 methods to define the weather-dependent curves:
▪ 2-points (see "10.4.2 2-points curve" [
4
147])
▪
Slope-Offset
(see "10.4.3 Slope-offset curve" [ 4 148])
In [2.E] WD curve type , you can choose which method you want to use.
In [3.C] WD curve type , the chosen method is shown read-only (same value as in
[2.E]).
# Code Description
[2.E] / [3.C] N/A ▪ 2-points
▪ Slope-Offset
10.5.5 Space heating/cooling
INFORMATION
Cooling is only applicable in case of reversible models.
Overview
The following items are listed in the submenu: