Retro Installations; Wiring Center; Mains Supply - Baxi Ecogen 24/1.0 Installation & Servicing Instructions Manual

Gas fired wall mounted condensing boiler and power generator
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Retro Installations

NOTE: This installation is used only if the user wishes to utilise their existing temperature
and time controls.
Outside and DHW sensors cannot be used. The THINK Controller must remain on the
appliance.
S - Plan System Components
Y - Plan System Components
W - Plan System Components
46
© Baxi Heating UK Ltd 2012
Mains
Supply.
Pump
External
Wiring
Centre
10.0 Electrical
10.11

Wiring Center

NOTE: As the boiler does not know what the actual room or
DHW temperature is, the boiler temperature is fixed at 80°C.
Appliance MUST have a permanent Live/Neutral/Earth
connection. Pump MUST be connected directly to the appliance.
System Requirement - The default for parameter 5700 ('1'), is
setup to control through an external wiring centre. To check the
parameter - see section 11.3.k.
As an external programmer will be used to control the central
heating and domestic hot water times, the installer must make
sure that the boiler THINK Controller programs time for the
central heating and DHW are set to 24h on (see User Manual).
E
N
L
E
N
Fused
L
E
(Out)
N
(Out)
Fused
Fused
L
(Out)
Fused
Fused
Boiler On (In)
CH1
(On)
CH2
(On)
DHW
(On)
DHW
(Off)
N
Valve
E
Valve
C/S
(Out)
C/S
(In)
Out Door
Sensor
(Out)
Out Door
Sensor
(In)
Out Tank
Sensor
(Out)
In Tank
Sensor
(In)
Back
Light
(+12v)
CL +
Signal
CL -
Signal

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