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Operation Parameter
User menu > Operation Parameter
It allows you to view all the operating parameters of the unit.
9.3.2 Heat pump service menu
ACCESS TO THE SERVICE MENU AND CHANGING PARAMETERS CAN ONLY BE CARRIED OUT BY QUALIFIED
PERSONNEL.
To access the heat pump service menu, select the line "For serviceman" and press the
To continue, you must enter the password "1234". Set the cell value with the SW6 and SW7 buttons while you can change positions with the SW1 and SW2 buttons.
Confirm with the
button or cancel with the
NOTE
When you access the service menu, the "HEATING/COOLING and DHW" functions are forced to OFF.
When you exit the service menu, the "HEATING/COOLING and DHW" functions must be reactivated manually.
The menu is structured in multiple levels as shown in the following table.
Menu
Menu
Level 1
Level 2
1.1 Dhw Mode
1.2 Disinfect
1.3 Dhw Priority
1.4 Dhw Pump
1.5 Dhw Priority Time Set
1.6 Dt5_On
1.7 Dt1S5
1.8 T4Dhwmax
1.9 T4Dhwmin
1.10 T_Interval_Dhw
1 Dhw Mode
1.11 Dt5_Tbh_Off
For Serviceman
Settings
1.12 T4_Tbh_On
1.13 T_Tbh_Delay
1.14 T5S_Di
1.15 T_Di_Hightemp
1.16 T_Di_Max
1.17 T_Dhwhp_Restrict
1.18 T_Dhwhp_Max
1.19 Dhw Pump Time Run
1.20 Pump Running Time
1.21 Dhw Pump Di Run
60
EN
button.
Menu
Menu
Level 3
Level 4
Cod. 3542B230 - Rev. 00 - 02/2022
OMNIA S HYBRID H 3.2
button.
Description
ENABLE DHW YES/NO
ENABLING ANTI-LEGIONELLA
DHW MODE PRIORITY
- heating/cooling or DHW
To enable DHW recirculation pump
Enabling minimum times for DHW mode and
system
Hysteresis set point DHW heater
Set point temperature difference between water
sent to the DHW heater coil and DHW heater
temperature.
The external air temperature to which the heat
pump can operate for the heating of the DHW
heater
The minimum external air temperature to which
the heat pump can operate for the heating of the
DHW heater
The minimum switch-off time interval of the
compressor between 2 start-ups in DHW mode
Temperature difference between T5 and T5S
which switches off the DHW heater electric
heating element.
Maximum external air temperature to which the
DHW heater electric heating element (TBH) can
operate.
Compressor operating time before the start-up of
the DHW heater electric heating element
DHW heater temperature set point in anti-
legionella function
DHW heater temperature retention time at value
greater than "T5S_Di" in anti-legionella function
Maximum time for the anti-legionella function
System maximum operating time with parameter
"Dhw Priority Time Set " =YES.
DHW mode maximum operating time with
parameter "Dhw Priority Time Set " =YES.
Enables or disables the operating timer of the
DHW recirculation pump
t_pumpDHW - time for which the DHW
recirculation pump will continue to operate
Enables/disables the DHW recirculation pump
during the anti-legionella function
Unit of
Lower
Upper
Remedy
measure-
limit
limit
ment
Yes
No
/
/
Yes
No
/
/
Yes
No
/
/
Yes
No
/
/
Yes
No
/
/
1
30
1
°C
5
40
1
°C
35
43
1
°C
-25
30
1
°C
5
5
/
min
0
10
1
°C
-5
50
1
°C
0
240
5
min
60
70
1
°C
5
60
5
min
90
300
5
min
10
600
5
min
10
600
5
min
OFF
ON
/
/
5
120
1
min
Yes
No
/
/
Default
value
Yes
No
Yes
No
No
5
10
43
-10
5
5
5
30
65
15
210
30
90
OFF
5
No
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