Mitsubishi Electric EHSC-VM6A Service Manual page 24

Hydrobox, main controller
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Auxiliary Setting
This function is used to set the parameters for any auxiliary parts used in the sys-
tem.
From the service menu use F1 and F2 buttons to highlight Auxiliary setting then
press CONFIRM.
<Economy settings for pump>
1.
From the Auxiliary setting menu highlight Economy Settings for pump.
2.
Press CONFIRM.
3.
The economy settings for pump screen will be displayed.
4.
Use button F1 to switch the pump ON/OFF.
5.
Use buttons F3 and F4 to adjust the time the pump will run. (3 - 60 mins)
<Frost prevention>
1.
From the Auxiliary setting menu highlight Freeze Stat Function.
2.
Press CONFIRM.
3.
The freeze stat function screen will be displayed.
4.
Use buttons F3 and F4 to adjust the minimum outdoor temperature which
freeze stat function will begin to operate, (3 - 20 °C) or choose .
If asterisk ( ) is chosen freeze stat function is deactivated/disabled (i.e. freeze
risk).
<Electric heater (Space heating)>
1.
From the Auxiliary Setting menu highlight Electric heater (Space heating).
2.
Press CONFIRM.
3.
The Electric heater (Space heating) screen is displayed.
4.
Press F1 button to switch the function ON/OFF.
5.
Use F3 and F4 buttons to adjust the time period of heat pump-only operation
before the booster heater will assist in space heating. (5 -180mins)
<Electric heater (DHW)>
1.
From the Auxiliary Setting menu highlight Electric heater (DHW).
2.
Press CONFIRM.
3.
The Electric heater (DHW) screen is displayed.
4.
Press F1 button to switch the function ON/OFF.
5.
Use F3 and F4 buttons to adjust the time period of heat pump-only operation
before the booster heater and the immersion heater (if present) will assist in
DHW heating. (15 -30mins)
Auxiliary setting menu screen
Economy settings for pump screen
Freeze stat function screen
Electric heater (Heating) screen
Electric heater (DHW) screen
24

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