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CONTROL UNIT
7
CONTROL UNIT
The control unit controls and monitors the heating and hot water
production with the heat pump and additional heat. The monitoring
function shuts down the heat pump in the event of a fault so as to prevent
damage to critical parts of the pump.
7.1
ADDITIONAL HEAT
The additional heat becomes active in the event of emergency operation,
extra hot water and hot water peak.
The additional heat is provided through electric additional heat.
The Multi module accessory is required for mixed additional heat.
The control unit will automatically activate the additional heat, when
needed.
7.2
HOT WATER PRODUCTION
Hot water is heated in the domestic hot water cylinder and the control
unit gives priority to hot water before production of heating water
according to the settings that are made. The domestic hot water cylinder
is fitted with a sensor that senses the temperature of the domestic hot
water.
8
CONTROL PANEL
Settings for the control of the heat pump are made with the control unit's
control panel, which also provides information about current status.
8.1
PANEL OVERVIEW
Fig. 3 The control panel
[1]
On/Off button
[2]
Mode button
[3]
Info button
[4]
Menu dial
[5]
Status lamp
[6]
Return button
[7]
Menu button
[8]
Menu display
8.2
ON/OFF BUTTON
Use the On/Off button to turn the heat pump on and off.
6
8.3
STATUS LAMP
The lamp lights continuously.
The lamp flashes rapidly.
The lamp flashes slowly, menu
window not lit.
The lamp and menu display not
lit.
Table 2 Lamp functions
1) Stand-by means that the heat pump control unit has been turned off but with
electrical power still supplied to the unit.
8.4
MENU DISPLAY
Use the menu display in order to:
• View information from the heat pump.
• View available menus.
• Change set values.
8.5
MENU BUTTON AND MENU DIAL
Use
to get from Initial menu to the menus. Use the menu dial in
order to:
• Navigate the menus and get to the setting displays.
– Turn the dial to see more menus on the same level or change a set
value.
– Press the dial to change to a lower menu level or save a change.
8.6
RETURN BUTTON
Use
to:
• Go back to the previous menu level.
• Leave a setting display without changing the set value.
8.7
MODE BUTTON
Use
to change type of operation.
The controller language can be changed with the
button.
▶ Press the
button in the initial menu for at least 5
s, then select the required language.
8.8
INFO BUTTON
Use
to see information from the control unit about operating
mode, temperature, program version, etc.
The heat pump is running.
There is an alarm that has not been
acknowledged.
The alarm has been acknowledged
but the alarm cause remains.
The heat pump is in stand-by mode
No voltage to the control unit.
6 720 802 172 (2012/06)
1)
.
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