Installation Setup > Dhw Tank > Parameters, Counters, Signals > Adv. Parameters; Installation Setup > Air Src Heat Pump > Parameters, Counters, Signals - DeDietrich MIT-M /E Installation, User And Service Manual

Parameter Description
DHW management ECO mode: use of the heat pump only. Comfort mode: use of the heat pump
(DP051) and backup energy sources:
Hysteresis DHW Hysteresis temperature relative to the DHW temperature setpoint
(DP120) Can be set from 0 °C to 40 °C
Tab.81 Adv. Parameters menu
Parameter Description
Delay Electrical back-up start-up time delay for domestic hot water.
StartBackupDHW Can be set from 0 to 120 min
(DP090)
Delay stop Electrical back-up shutdown time delay for domestic hot water.
BackupDHW (DP100) Can be set from 0 to 120 min
Delay Electrical back-up second stage start-up time delay for domestic hot water.
BackupStageDHW Can be set from 0 to 255 min
(DP110)
Gen. offset for DHW Domestic hot water set point offset.
(DP130 ) Can be set from 0 to 20 °C
DHW backup type Backup type used for domestic hot water production:
(DP334)
Tab.82
Paramètres Description of the parameters
Delay Delay time for starting the backup energy source for DHW
StartBackupDHW Can be set from 0 Min to 120 Min
(DP090 )
Postrun DHW Post run time of the DHW pump/3 way valve after DHW production
pump/3wv (DP213 ) Can be set from 0 Min to 99 Min
Tab.83 Parameters menu
Parameter Description
Bivalent temperature Above the bivalent temperature, the backup energy source is not allowed to
(HP000) operate
Can be set from -10 °C to 20 °C
Delay StartBackup Start-up time delay for back-ups in central heating mode
CH (HP030) Can be set from 0 Min 600 Min
7756241 - v02 - 19062020
ECO (Only HP): use of the heat pump only
Comfort (HP+Boiler): use of the heat pump and back-ups
Indoor Unit: indoor unit electrical back-ups
DHW Tank : DHW tank electrical back-ups
IDU/DhwTank Cooling: Indoor unit electrical back-ups in winter/DHW tank
electrical back-ups in cooling mode
7.4.4 Installation Setup > DHW tank > Parameters, counters,
signals > Adv. Parameters
A domestic hot water sensor must be connected to the EHC–05 PCB to
display these parameters.
DP : Domestic Hot Water Parameters = Domestic hot water tank
parameters
7.4.5 Installation Setup > Air Src heat pump > Parameters,
counters, signals
HP : Heat-pump Parameters = Heat pump parameters
AP : Appliance Parameters = Appliance advanced parameters
7 Settings
Factory setting
ECO (Only HP)
15
Factory setting
90 min
2 min
5 min
8
Indoor Unit
Factory setting
90
3
Factory setting
5
0
MIT-M 67