Commissioning Of Controls - Baxi Ecogen 24/1.0 Installation & Servicing Instructions Manual

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© Baxi Heating UK Ltd 2012
11.0 Commissioning
11.3

Commissioning of Controls

Every time the appliance is powered up, the controls carries out
2 checking functions
a) 315: Initialization – Main PCB gathers data on connections
and sensors. This takes around 2 minutes.
b) 312: Deaeration Function – all circulation valves are opened
and the circulating pump is exercised. On for 6 seconds off for 5
seconds for 4.5 minutes. See section g) Deaeration function
A number of actions are required to complete the
commissioning procedure.
Time and Date settings.
Operating mode
Temperature settings.
DHW set point for thermostat control.
Time Program settings.
Chimney sweep (checking the gas rates)
A number of commissioning actions may be required
(Paragraphs g to l):
Deaeration Function
Central Heating - Optimised start.
System frost protection (outdoor sensor required).
Legionella settings (DHW sensor only).
Configuring the appliance for the heating system –
Parameter 5700.
2nd Heating Circuit room unit allocation.
a) Date and Time Settings
When the THINK Controller is powered up initially, 'Date and
Time' setting function is activated. See Section 4.0 Setting the
Time in the User's Operating Instruction Booklet.
b) Operating Mode
To avoid unnecessary/unwanted start ups during installation and
commissioning, the appliance is delivered in the standby mode
which is confirmed by the ( ) symbol shown in section 10.12
Fig. 42. The standby mode will only allow the appliance to run if
either: -
Hot water boost has been selected.
Chimney sweep function has been activated.
Frost protection is activated for either the appliance or room.
Deaeration allows exercising of the pump and valves for priming
of the circuit and the removal of the air in the system.
To take the appliance out of standby and enable 'normal'
operation: -
From the standard screen on the THINK Controller press the
easy menu button.
Scroll the Button and press to select Standby/operation.
'Standby/operation – Operation' appears briefly on the THINK
Controller and the action is confirmed by the disappearance of
the standby symbol.
The central heating and domestic hot water active times are
shown at the top of the THINK Controller as shown in
fig. 42. (See paragraph e).
To set up the appliance to the modes of operation required for
the householder -
see Section 7.0 of the User's Operating Instructions.
Section 7.1 Selecting the Space Heating Mode.
Section 7.4 Selecting the DHW Mode.
c) Temperature Settings.
Please refer to the User's Operating Instructions Section 7.0.