7.0 Standby & Operating Mode
9
Baxi Heating UK Ltd 2011
c
7.1
Standby and Operating modes
1. The controller can be set to either Standby Mode or
Operating Mode. In Standby, both the Central Heating and
Domestic Hot Water functions are switched OFF.
2. In Standby the Boiler Frost Protection function is still
activated and will fire the boiler if the temperature in the
boiler drops below 4°C.
3. In Operating Mode, the boiler will respond to any preset
Central Heating or Domestic Hot Water demand.
4. The screen display shows the current settings. Fig 19
shows the unit in Standby Mode. Fig 20 shows Operating
Mode.
1. To change the unit’s settings, follow the flow diagram
shown in Fig 21.
2. Press the Mode button and the Standby symbol will flash
and ‘OFF’ is shown in the main display. The Central Heating
and Domestic Hot Water symbols can also be seen.
3. Press the Selector Button once and ‘OFF’ will flash. The
Central Heating and Domestic Hot Water symbols
disappear.
4. Rotate the Selector Button clockwise until ‘On’ is seen in
the display.
5. Press the Selector Button once to confirm the selection
and then ‘Menu’ to return to the main screen. If Menu isn’t
pressed the display will return to the Main screen after
approximately 2 seconds. The unit is now in ‘Operating
Mode’.
Fig 21. Standby & Operating Mode Diagram
MODE
MENU
To Escape
(or wait 2 secs)
Confirm
Confirm
AUTO
1
7
6
5
4
3
2
MODE
MENU
°C
Fig 19. Unit in Standby Mode.
AUTO
1
7
6
5
4
3
2
MODE
MENU
°C
Fig 20. Standby turned off.
7.2
Changing Standby and Operating Mode settings
AUTO
1
7
6
5
4
3
2
AUTO
1
7
6
5
4
3
2
AUTO
1
7
6
5
4
3
2
AUTO
1
7
6
5
4
3
2
Table 3. Display Icons
AUTO
OFF
Heating or Hot Water set to OFF
COMFORT room temperature
REDUCED room temperature
Domestic Hot Water setting
Hourly Central Heating programme
Hourly Domestic Hot Water programme
Time
Band
Time
Band
In AUTO, the boiler will heat the property to the
temperature set on the i-THINK Controller during
the programmed timed Heating periods
In REDUCED mode, the boiler will maintain a
minimum temperature in the property. If at any time,
day or night, the temperature falls below this value
the boiler will fire until the temperature is achieved.
In COMFORT, the boiler will constantly heat the
property to the temperature set on the i-THINK
Controller. NOTE: This will continue until the boiler
is taken out of COMFORT mode.
