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Running information
This function shows current temperature and other data of main component parts
of both the indoor and outdoor units.
1. From the Service menu highlight Running information.
2. Press CONFIRM.
3. Press F3 and F4 buttons to set the Ref. address. *1
4. Use the function buttons to enter index code for the component to be viewed.
(See the Table 9-2-1 for component index codes.)
5. Press CONFIRM.
*1 For multiple outdoor units control system only.
Thermistor reading
This function shows the current readings of thermistors located on the water and refrigerant circuit
Thermistor Description
Thermistor Description
TH1A
Zone 1 room temperature
THW6
Zone 1 flow water temperature
TH1B
Zone 2 room temperature
THW7
Zone 1 return water temperature
TH2
Refrigerant return temperature
THW8
Zone 2 flow water temperature
THW1
Water flow temperature
THW9
Zone 2 return water temperature
THW2
Water return temperature
THWB1
Boiler flow water temperature
THW5
DHW tank water temperature
THWB2
Boiler return water temperature
TH7
Ambient (outdoor) temperature
Summary of settings
This function shows the current installer/user entered settings.
Abbreviation Explanation
Abbreviation Explanation
HWtemp
DHW max temp
Z2 mode
Operation mode
HWdrop
DHW temperature drop
- HER (Heating room temp)
HWtime
DHW max operation time
- HE (Heating flow temp)
NO HW
DHW mode restriction
- HCC (Heating compensation curve)
HWset
DHW operation mode (Normal/Eco)
- COR (—)
- CO (Cooling flow temp)
Ltemp
Legionella hot water temp
Hroom 1
Heating target room temp
Lfreq
Legionella operation Frequency
Hroom 2
Heating target room temp
Lstart
Legionella mode start time
Hflow 1
Heating target flow temp
Ltime
Legionella max. operation time
Hflow 2
Heating target flow temp
Lkeep
Duration of max (Legionella) hot
water temp
Croom
—
Cflow
Cooling target flow temp
Z1 mode
Operation mode
FSflow
Freeze stat function flow temp
- HER (Heating room temp)
FSout
Freeze stat function ambient temp
- HE (Heating flow temp)
- HCC (Heating compensation curve)
- COR (—)
- CO (Cooling flow temp)
Error history
Error history allows the service engineer to view previous Error codes, the unit
address and the date on which they occurred. Up to 16 Error codes can be stored
in the history the most recent Error event is displayed at the top of the list.
From the service menu select Error history
Press CONFIRM.
Please see chapter 10-4. for error code diagnosis and actions.
To delete an Error history item;
From Error history screen press F4 button (Rubbish bin icon)
Then press F3 button (Yes).
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OCH532A
