42
The domestic hot water and legionella prevention menus control the operation of DHW
tank heat ups.
DHW mode settings
1. Highlight the hot water icon and press CONFIRM.
2. Use button F1 to switch between Normal and ECO heating modes.
3. To edit the mode, press down the MENU button for 3 seconds, then select “hot water”.
4. Press F2 key to display the HOTWATER (DHW) SETTING menu.
5. Use F2 and F3 keys to scroll through the menu selecting each component in turn by
pressing CONFIRM. See the table below for description of each setting.
6. Enter the desired number using the function keys and press CONFIRM.
Menu subtitle
Function
Range
Unit
Default value
DHW max. temp.
Desired temperature of stored hot water
40 - 60
°C
50
DHW max. temp. drop
5 - 30 *
°C
10
DHW max. operation time Max. time allowed for stored water heating DHW mode
30 - 120 min
60
DHW mode restriction
The time period after DHW mode when space heating has priority over DHW mode temporarily pre-
venting further stored water heating
(Only when DHW max. operation time has passed.)
30 - 120 min
30
*
When the DHW max. temp is set over 55 °C, the temperature at which DHW mode restarts must be less than 50 °C to protect the device.
<Eco mode>
DHW mode can run in either ‘Normal’ or ‘Eco’ mode. Normal mode will heat the water in the DHW tank more quickly using the full power of the heat pump. Eco mode
takes a little longer to heat the water in the DHW tank but the energy used is reduced. This is because heat pump operation is restricted using signals from the FTC
based on measured DHW tank temperature.
Note: The actual energy saved in Eco mode will vary according to outdoor ambient temperature.
<[DHW recharge]>
Select the amount of DHW tank.
Return to the DHW/legionella prevention menu.
<Main Controller Menu Tree>
<Continued from the previous page.>
Main screen
Initial
Main
menu
Service
Password
protected
Menu
Energy monitor
settings
External input settings
Running information
Thermistor reading
Summary of settings
Error history
Password protection
Manual reset
SD card
Electric heater
capacity
Demand control (IN4)
Main controller
SD
Yes/No
Select download data
OFF (Heat source)/Boiler
Heater/Boiler
Outdoor thermostat (IN5)
FTC
Main RC
SD
Yes/No
Select upload data
Water pump input
Electric energy meter
Booster heater 1 capacity
Pump 1
Booster heater 2 capacity
Pump 2
Immersion heater
Pump 3
F1
F2
F3
Delivered energy adjustment
Heat meter
Main RC
Unrestricted access
Installer only
Shaded items relate
to DHW functions.
These are only avail-
able if the system in-
cludes a DHW tank.
Long press
Analog output
Pump 4
Thermo ON output
Commissioning wizard
Zone1/Zone2/Zone1&2
F1
F2
F3
Содержание EHPT15X-UKHDW1S
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