4 Operation
User reference guide
18
EHVZ04~16S18CB
Daikin Altherma – Low temperature split
4P401674-1 – 2015.02
Sat - Sun
a
b
:00
:00
4.8
Weather dependent operation
In space heating control, the leaving water temperature setpoint
mode can be:
▪ Fixed
▪ Weather-dependent (the leaving water temperature is determined
automatically depending on the outdoor temperature)
To select the setpoint mode, see the installer reference guide.
To set the parameters for the weather-dependent curve, see below.
4.8.1
To set the weather dependent settings
Prerequisite:
You switched the permission level to Advanced end
user.
1
Go to [7.7]:
> User settings > Set weather dependent.
2
For main leaving water temperature zone [7.7.1], modify with
,
,
,
, and confirm with
.
3
If applicable, for additional leaving water temperature zone
[7.7.2], modify with
,
,
,
, and confirm with
.
Set weather-dependent heating
d
c
Ta
Tt
a
b
T
t
Target leaving water temperature
T
a
Outdoor temperature
a
Low outdoor ambient temperature
b
High outdoor ambient temperature
c
Desired leaving water temperature when the outdoor
temperature equals or drops below the low ambient
temperature.
Note:
in heating, this value should be higher
than (d) as for low outdoor temperatures warmer water is
required.
d
Desired leaving water temperature when the outdoor
temperature equals or rises above the high ambient
temperature.
Note:
in heating, this value should be lower
than (c) as for high outdoor temperatures less warm water
is required.
Содержание Altherma EHVZ08S18CB
Страница 23: ......
Страница 24: ...4P401674 1 2015 02 Copyright 2015 Daikin...