Mitsubishi Heavy Industries ESA30E-25, Technical Manual

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'15 • HM-T-246
10. Service & Maintenance (Continue) 10. Service & Maintenance
PJZ012D103
When tapping Y es , all HP Units connected are stopped.
With this, anti-freezing operation cannot work.
as well.
If leaving the hot water supply system for long
period, be sure to drain off.
When tapping Y es , the following
data is transferred to the heat pump
water heater selected
• Hot water set temperature
• Cumulative operation hours of
compressor
• Cumulative operation hours of
water pump
• HP -segment P 0, P , P data
• CW FV compensation value
• Upper limit of HW temperature
When tapping Y es , the setting of the After setting the time and tapping Set , If several heat pump water heaters are connected,
heat pump water heater connected is
saved. the time to save automatically can be set. the unit to be sent the saved data can be selected.
Move to the screen of a selected menu
Adjust the position if the display and the
touch position are unmatched.
⑪
Automatic saving
⑫
Select heat pump unit
⑮
Touch panel calibration
⑱
System OFF
⑩
Save HP Unit setting acknowledge
⑬
Transfer the saved data acknowledge
⑭
Special setting
⑨
Save HP Unit setting
[CP U reset]
The microcomputer of the heat pump
water heater connected is reset
(Like a state of recovery after power
fail)
[Restore of default setting]
The setting of the R/C and the HP
unit connected are restored to the
factory setting
[Touch panel calibration]
Adjust the position if the display and
the touch position are unmatched.
[TOP screen]
⇒
[Menu]
⇒
[Service & Maintenance]
①
TOP screen
⑦
Service message
②
Menu screen ()
⑥
N ext service date
If next service date is entered, messages
are displayed at the every Run/P ause of
operation on the service month.
⑦
If the Cancel button is tapped,
messages are not displayed.
⑧
E rror display
Move to the screen of a selected menu.
⑲
E rror display
Date and time of error occurrence,
HP unit address and E rror code are
displayed.
⑳
Maintenance code history
Date and time of Maintenance code
occurrence, HP unit address and
Maintenance code are displayed.
⑤
Heat pump unit address
When or more units are connected,
the th and the subsequent units are
displayed on the next page.
④
Service & maintenance ()
Move to the screen of a selected menu.
③
Service password input
The service password is " "
(Unable to change)
②
Menu screen ()
④
Service & maintenance ()
[Saving HP unit setting]
The data of all heat pump water heaters connected is saved in the R/C
[Automatic saving]
The time to save the data of the heat pump water heaters automatically can be set.
At the set time, the data are saved everyday. (* Factory default: :00)
[Transfer the saved data]
The data saved in the R/C are transferred to the heat pump water heater.
In case of several heat pump water heaters, the data can be transferred individually.
㉑
Delete history acknowledge
When tapping Y E S, history is
deleted.
Information
The remote control can save the cumulative
operation hours of the components for water and
refrigerant circuit memorized in the heat pump water heater
as backup. If the P CB of the heat pump water heater has
malfunction, the data saved in R/C can be written in
the new P CB of the heat pump water heater with the
[Transfer the saved data] function.
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