▪ T
t
: Target leaving water temperature
(main)
▪ T
a
: Outdoor temperature
▪ [1-06]: Low outdoor ambient
temperature. 10°C~25°C (default:
20°C)
▪ [1-07]: High outdoor ambient
temperature. 25°C~43°C (default:
35°C)
▪ [1-08]: Desired leaving water
temperature when the outdoor
temperature equals or drops below
the low ambient temperature.
Between minimum and maximum
leaving water temperature 5°C~22°C
(default: 22°C).
Note: This value should be higher
than [1-09] as for low outdoor
temperatures less cold water
suffices.
▪ [1-09]: Desired leaving water
temperature when the outdoor
temperature equals or rises above
the high ambient temperature.
Between minimum and maximum
leaving water temperature 5°C~22°C
(default: 18°C).
Note: This value should be lower
than [1-08] as for high outdoor
temperatures colder water is
required.
Leaving water temperature: Additional zone
Only applicable if 2 leaving water temperature zones are present.
# Code Description
[A.3.1.2.1] N/A LWT setpoint mode:
▪ Absolute (default)
The desired leaving water
temperature is:
▪ NOT weather-dependent (i.e. does
not depend on the outdoor
ambient temperature)
▪ fixed in time (i.e., not scheduled)
▪ Weather dep.: The desired leaving
water temperature is:
▪ weather-dependent (i.e. depends
on the outdoor ambient
temperature)
▪ fixed in time (i.e., not scheduled)
▪ Abs + scheduled: The desired
leaving water temperature is:
▪ NOT weather-dependent (i.e.,
does NOT depend on the outdoor
ambient temperature)
▪ according a schedule. The
scheduled actions are On or OFF.
Remark: This value can only be
set in leaving water temperature
control.
▪ WD + scheduled: The desired
leaving water temperature is:
▪ weather-dependent (i.e., does
depend on the outdoor ambient
temperature)
▪ according a schedule. The
scheduled actions are On or OFF
Remark: This value can only be
set in leaving water temperature
control.
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