44
OCH714D
<Summary of settings>
This function shows the current installer/user entered settings.
Abbreviation Explanation
Abbreviation Explanation
HWtemp
DHW max. temperature
Z2 mode
Operation mode
HWdrop
DHW temperature drop
- HER (Heating room temperature)
HWtime
DHW max. operation time
- HE (Heating flow temperature)
NO HW
DHW mode restriction
- HCC (Heating compensation curve)
HWset
DHW operation mode (Normal/Eco)
- COR (—)
Ltemp
Legionella hot water temperature
- CO (Cooling flow temperature)
Lfreq
Legionella operation Frequency
Hroom 1
Heating target room temperature
Lstart
Legionella mode start time
Hroom 2
Heating target room temperature
Ltime
Legionella max. operation time
Hflow 1
Heating target flow temperature
Lkeep
Duration of max. (Legionella) hot
water temperature
Hflow 2
Heating target flow temperature
Z1 mode
Operation mode
Croom 1
Cooling target room temperature
- HER (Heating room temperature)
Croom 2
Cooling target room temperature
- HE (Heating flow temperature)
Cflow 1
Cooling target flow temperature
- HCC (Heating compensation curve)
Cflow 2
Cooling target flow temperature
- COR (—)
FSflow
Freeze stat function flow temperature
- CO (Cooling flow temperature)
FSout
Freeze stat function ambient temperature
<Error history>
Error history allows the service engineer to view previous check codes, the unit
address and the date on which they occurred. Up to 16 check codes can be stored
in the history the most recent Error event is displayed at the top of the list.
1. From the service menu select Error history
2. Press CONFIRM.
Please see "10-4. Self-diagnosis and action" for check code diagnosis and actions.
To delete an Error history item;
1. From Error history screen press F4 button (Rubbish bin icon)
2. Then press F3 button (Yes).
Password input screen
Password verify screen
<Password protection>
Password protection is available to prevent unauthorised access to the service
menu by untrained persons.
Resetting the password
If you forget the password you entered, or have to service a unit somebody else
installed, you can reset the password to the factory default of
0000
.
1. From the main settings menu scroll down the functions until Service Menu is
highlighted.
2. Press CONFIRM.
3. You will be prompted to enter a password.
4. Hold down buttons F3 and F4 together for 3 seconds
5. You will be asked if you wish to continue and reset the password to default set
-
ting.
6. To reset press button F3.
7. The password is now reset to
0000
.
<Manual reset>
Should you wish to restore the initial settings at any time you should use the man
-
ual reset function. Please note this will reset ALL functions to the factory default
settings.
