Mitsubishi Electric EHPT17X-VM2E Service Manual page 48

<Summary of settings>
This function shows the current installer/user entered settings.
Abbreviation Explanation
HWtemp DHW max. temperature
HWdrop DHW temperature drop
HWtime DHW max. operation time
NO HW DHW mode restriction
HWset DHW operation mode (Normal/Eco)
Ltemp Legionella hot water temperature
Lfreq Legionella operation Frequency
Lstart Legionella mode start time
Ltime Legionella max. operation time
Lkeep Duration of max. (Legionella) hot
water temperature
Z1 mode Operation mode
- HER (Heating room temperature)
- HE (Heating flow temperature)
- HCC (Heating compensation curve) Cflow 2
- COR (—)
- CO (Cooling flow temperature
/Cooling weather compensation curve
<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. Touch the confirm icon .
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 touch rubbish icon
2. Then touch Yes icon.
<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, select Password protection.
2. Touch the confirm icon .
3. When password input screen is displayed, touch left and right icon (
) to move left and right between the 4 digits, set a password with the +/-
icon.
4. When you have input your password, touch the confirm icon
5. The password verify screen is displayed.
6. To verify your new password, touch Yes icon.
7. Your password is now set and the completion screen is displayed.
OCH814A
Abbreviation Explanation
Z2 mode Operation mode
- HER (Heating room temperature)
- HE (Heating flow temperature)
- HCC (Heating compensation curve)
- COR (—)
- CO (Cooling flow temperature
/Cooling weather compensation curve)
Hroom 1 Heating target room temperature
Hroom 2 Heating target room temperature
Hflow 1 Heating target flow temperature
Hflow 2 Heating target flow temperature
Croom 1 Cooling target room temperature
Croom 2 Cooling target room temperature
Cflow 1 Cooling target flow temperature
Cooling target flow temperature
FSflow Freeze stat function flow temperature
FSout Freeze stat function ambient temperature
/
.
48
Back
Summary of settings
HWmax °C
Ltemp
HWmin °C Lfreq
HWtime min Lstart
No HW min Ltime
HWset
Normal Lkeep
Back
Error history
Error Unit Date
E
P
L
Back
Error history
Error Unit Date
E
Delete OK?
P
L
Back
Password protection
New password setting
Press to confirm
Password input screen
Back
Password protection
New password setting
Update?
Password verify screen
°C
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min
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PM
PM
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