Baxi Ecogen 24/1.0 Installation & Servicing Instructions Manual page 54

Parameter settings for the THINK Controller when used as a room sensor with
either a 5LED Receiver or THINK Controller on the appliance
On the Appliance
40
5LED RU1 All HC
THINK Controller RU1 All HC
Table 2
Reprogramming of location and central control parameters. The default
settings used for the THINK Controller on the appliance regardless of other
equipment are :-
Parameters 40 = Operator Unit 1
42 = All Heating Circuits (All HC)
43 = Central
The parameters 42 and 43 are accessed as parameter 40 as above.
54
© Baxi Heating UK Ltd 2012
1st Room Unit 2nd Room Unit
Parameter
42 43 40 42
Central RU2
Automatically
Central RU2
11.3
j) Legionella
Legionella is only possible if DHW cylinder sensor is used.
The function default activation time is 'Monday at 8:00am'.
k) Configuring the appliance for the heating system – Parameter
5700.
The default setting for parameter 5700 is '1' is for a retro-efficient
system with a switched live using a wiring centre – see section
10.11.
For intelligent installations change parameter 5700 to: -
'2' - for one heating circuit and '3' - for two heating circuits.
From the main screen press the menu button to show
'information'.
Press the menu button repeatedly to return to the standard
screen.
l) 2nd Room Unit Allocation Procedure
When two or more THINK Controller's are used as opposed to
one THINK Controller with a 5 LED Receiver.
Install the wall cradles and connect to the appliances using the
same connections as shown in Fig. 44 – up to two THINK
Controllers can be installed in this way.
43
Power up the appliance:
Assigned
Down power the appliance for ten seconds and then power up.
If two heating circuits have been programmed correctly the
THINK Controller's should show a small 1 and 2 next to the
radiator along with the room unit symbol as in Fig. 42.
If it is required to replace the THINK Controller back on the
appliance then parameter 40 must be reassigned to operator unit
1 - see section 10.13.
After all reprogramming of these parameters the appliance must
be down powered and then repowered after 10 seconds.
11.0 Commissioning
Commissioning of Controls (cont)
• To modify the legionella time press 'Menu' button to enter
the programming menu.
• Scroll to and select 'Domestic Hot Water'.
• Scroll to and select 'Legionella function weekday'
• Change and confirm new day.
• Select 'Legionella funct time'.
• Change and confirm new time.
• Press and hold the easy menu and menu buttons until 'end
user' appears.
• Turn the selector button to highlight 'commissioning' and
press to select.
• Turn the selector button to highlight 'Presetting parameter
5700' and press to select.
• Whilst the existing parameter is flashing turn the selector
button to the desired number and press to select.
• After the standard screen appears press the menu Button to
reveal 'Information'.
• Press and hold the Easy Menu and the Menu Button until
'User' appears.
• Turn the Selector Button to highlight 'Commissioning' and
press to select.
• Turn the Selector Button to highlight 'Operator unit' -
parameter 40 and press to select.
• Turn the Selector Button to highlight 'Room unit 2' and press
to select.
• Parameter 42 and 43 are automatically assigned and not
accessible.
• Press the Menu Button repeatedly to escape to the standard
screen.