Technical data

38
10.0 Electrical
© Baxi Heating UK Ltd 2012
E
N
L
Mains
230Vac 50Hz
In/Out
230Vac 50Hz
Wiring Centre Output
Boiler ON Input
Requirement for
all installation types
System
Pump
Output
E
N
L
E
CH1
N
L**
(Out)
(On)
(Out)
(Out)
Boiler On (In)
CH2
(On)
CT
(In)
CT**
(Out)
DHW
(On)
DHW
(Off)
(In)
E
N
Valve
Valve
Out Door
Sensor
(Out)
(In)
Cylinder
Sensor
Out Door
Sensor
(Out)
Cylinder
Sensor
(+12v)
Back
Light
Ground
(0V)
Data
Signal (+V)
3
Retro
Installation
230 Vac 50 Hz ***
System Valve Outputs
DHW Cylinder Thermostat I/O
Intelligent
Installations
(Recommended)
5Vdc System Sensors I/O
12Vdc Optional Extra Room Unit I/O
Fused*
8
Fused*
8
Fused*
8
* NOTE: All Fuses 3.15 A ** Permanent Live once the 230V supply is connected
2
1
*** Ensure all system wiring is correct to wiring regulations (BS7671) and
fully tested before connection to avoid any damage to the appliance controls
.
10.3 Complete Wiring Configuration
1. All wiring external to the appliance must be in accordance
with I.E.E. BS 7671 - requirements for Electrical Installations.
IMPORTANT: Before running the appliance ensure
parameter 5700 has been set according to the type of
system installed. See sections 10.4 to 10.11 for system types
and section 11.3.k for the change procedure.
‘Break-off’ Tabs