DeDietrich MIT-M /E Installation, User And Service Manual page 75

Tab.94
Access
Air Src Heat pump >
23.5
Parameters, counters, signals
> Parameters
Fig.52
T (°C)
20
4
15
10
1
0
10' 20'
3
-10
-20
Tab.95 Time delay curve parameters for tripping the back-up when Delay StartBackup CH (HP030) is set to 0.
Access
Air Src Heat pump >
23.5
Parameters, counters, signals
> Parameters
7756241 - v02 - 19062020
Parameter
Delay StartBackup CH
(HP030)
Delay stop backup CH
(HP031)
If the Delay StartBackup CH parameter is set to 0, the time delay for
activating the back-up is set depending on the outdoor temperature: the
lower the outdoor temperature, the quicker the back-up will be activated.
T Outdoor temperature (°C)
1 Delay Min.Outdoor T. (HP047)
2 Delay Max.Outdoor T (HP048)
3 Min.Outdoor T.backup (HP049)
4 Max.Outdoor T.backup (HP050)
30'
t (min)
2
MW-6000377-4
Parameter
Delay Min.Outdoor T.
(HP047)
Delay Max.Outdoor T
(HP048)
Min.Outdoor T.backup
(HP049)
Max.Outdoor T.backup
(HP050)
Description
Delay time for starting the
backup energy source for the
heating circuits
Can be set from 1 to 600 mi­
nutes.
If the Delay StartBackup CH
(HP030) parameter is set to 0,
the time delay for activating
the back-up is set depending
on the outdoor temperature.
Delay time for stopping the
backup energy source for the
heating circuits
t Time (minutes)
Description
Minimum duration of the time
delay for tripping the back-up
Can be set from 0 to 60 mi­
nutes
Maximum duration of the time
delay for tripping the back-up.
Can be set from 0 to 60 mi­
nutes
Minimum outdoor temperature
for the time delay for tripping
the back-up.
Can be set from -30 to 0 °C
Maximum outdoor tempera­
ture for the time delay for trip­
ping the back-up.
Can be set from -30 to +20 °C
7 Settings
Value
20 minutes
4 minutes (default value)
Value
8 minutes (default value)
30 minutes
-10 °C
15 °C
MIT-M 75