60
EN
Cod. 3542B230 - Rev. 00 - 02/2022
OMNIA S HYBRID H 3.2
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 button.
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 button.
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
Level 1
Menu
Level 2
Menu
Level 3
Menu
Level 4
Description
Lower
limit
Upper
limit
Remedy
Unit of
measure-
ment
Default
value
For Serviceman 1 Dhw Mode
Settings
1.1 Dhw Mode
ENABLE DHW YES/NO
Yes
No
/
/
Yes
1.2 Disinfect
ENABLING ANTI-LEGIONELLA
Yes
No
/
/
No
1.3 Dhw Priority
DHW MODE PRIORITY
- heating/cooling or DHW
Yes
No
/
/
Yes
1.4 Dhw Pump
To enable DHW recirculation pump
Yes
No
/
/
No
1.5 Dhw Priority Time Set
Enabling minimum times for DHW mode and
system
Yes
No
/
/
No
1.6 Dt5_On
Hysteresis set point DHW heater
1
30
1
°C
5
1.7 Dt1S5
Set point temperature difference between water
sent to the DHW heater coil and DHW heater
temperature.
5
40
1
°C
10
1.8 T4Dhwmax
The external air temperature to which the heat
pump can operate for the heating of the DHW
heater
35
43
1
°C
43
1.9 T4Dhwmin
The minimum external air temperature to which
the heat pump can operate for the heating of the
DHW heater
-25
30
1
°C
-10
1.10 T_Interval_Dhw
The minimum switch-off time interval of the
compressor between 2 start-ups in DHW mode
5
5
/
min
5
1.11 Dt5_Tbh_Off
Temperature difference between T5 and T5S
which switches off the DHW heater electric
heating element.
0
10
1
°C
5
1.12 T4_Tbh_On
Maximum external air temperature to which the
DHW heater electric heating element (TBH) can
operate.
-5
50
1
°C
5
1.13 T_Tbh_Delay
Compressor operating time before the start-up of
the DHW heater electric heating element
0
240
5
min
30
1.14 T5S_Di
DHW heater temperature set point in anti-
legionella function
60
70
1
°C
65
1.15 T_Di_Hightemp
DHW heater temperature retention time at value
greater than “T5S_Di” in anti-legionella function
5
60
5
min
15
1.16 T_Di_Max
Maximum time for the anti-legionella function
90
300
5
min
210
1.17 T_Dhwhp_Restrict
System maximum operating time with parameter
“Dhw Priority Time Set “ =YES.
10
600
5
min
30
1.18 T_Dhwhp_Max
DHW mode maximum operating time with
parameter “Dhw Priority Time Set “ =YES.
10
600
5
min
90
1.19 Dhw Pump Time Run
Enables or disables the operating timer of the
DHW recirculation pump
OFF
ON
/
/
OFF
1.20 Pump Running Time
t_pumpDHW - time for which the DHW
recirculation pump will continue to operate
5
120
1
min
5
1.21 Dhw Pump Di Run
Enables/disables the DHW recirculation pump
during the anti-legionella function
Yes
No
/
/
No
