GCH15010
14
CONTROLS
9
F1
F2
F3
F4
B
C
D
E
A
9-1. Main Controller
<Main controller parts>
Letter
Name
Function
A
Screen
Screen in which all information is displayed
B
Menu
Access to system settings for initial set up and
modifications.
C
Back
Return to previous menu.
D
Used to select or save. (Enter key)
E
Power/Holiday
Confirm
If system is switched off pressing once will turn
system on. Pressing again when system is
switched on will enable Holiday Mode. Holding the
button down for 3 secs will turn the system off. (
*1
)
F1-4
Function keys
Used to scroll through menu and adjust settings.
Function is determined by the menu screen visible
on screen A.
*1
When the system is switched off or the power supply is disconnected, the
cylinder unit protection functions (e.g. freeze stat function) will NOT oper-
ate. Please beware that without these safety functions enabled the cylinder
unit and installation may potentially become exposed to damage.
Main screen
<Main screen icons>
Icon
Description
11
10
2
1
9
6
5
4
14 13
12
7
1
Heat pump
‘Heat pump’ is running.
Defrosting.
Emergency heating.
2
Electric heater
When this icon is displayed the ‘Electric heaters’
(booster heater) are in use.
3
Target
temperature
Target room temperature
Target flow temperature
Compensation curve
4
OPTION
Pressing the function button below this icon will dis-
play the option screen.
5
+
Increase desired temperature.
6
-
Decrease desired temperature.
7
Z1
Z2
Pressing the function button below this icon switches
between Zone1 and Zone2.
Information
Pressing the function button below this icon displays
the information screen.
8
Space heating
mode
Heating mode
Zone1 or Zone2
9
DHW mode
Domestic hot water heating mode
10
Holiday mode
When this icon is displayed ‘Holiday mode’ activated.
11
Timer is activated.
Prohibited
Server control is activated.
Stand-by
Stopped
Operating
12
Current
temperature
Current room temperature
Current water temperature of thermal store tank
13
The Menu button is locked or the switching of the
operation modes between DHW and Heating opera-
tions are disabled in the Option screen.(
*2
)
14
SD memory card is inserted. Normal operation.
SD memory card is inserted. Abnormal operation.
*2 To lock or unlock the Menu, press the BACK and CONFIRM keys
simultaneously for 3 seconds.
3
8