Baxi Solo 3 PFL 30 Installation & Servicing Instructions Manual page 29

g/y
Spark Electrode
Thermostat Sensor
L
230V
External S/L
Controls
L
Schematic
PCB
Wiring Diagram
© Baxi Heating UK Ltd 2009
br
br
b
Gas Valve
or
b
r
w
y
y
Pump
N
Main Gas Valve
r
b
Pilot Gas Valve
b
or
Fan
b
br
Pressure Switch
w
gy
bk
y
Thermostat Sensor
y
or Overheat
Thermostat
or
or/bk
Control
or/bk
Potentiometer &
r/b
Switch
y/bk
y/r
Spark Electrode
w
5.0 Installation
Fan
5.17
Pressure
Switch
b
gy
w
bk
or/bk
y/r
y/bk
r/b
NOTE: The method of connection to the electricity
supply must facilitate complete electrical isolation of
the appliance. Connection may be made via a fused
double pole isolator with a contact separation of at
least 3mm (
N
appliance and system controls only. All cables should
be routed to avoid hot surfaces.
N
N
WARNING - T
4 core input cable for connection to the appliance must
be not less than 0.75mm
IEC 227 code 53 (heat resisting). External controls and
the appliance MUST be supplied via the same isolator.
NOTE: Polarity of the appliance MUST be correct
otherwise the appliance will not operate correctly.
Electrical Connections
bk
w
gy
or
or
Overheat
Thermostat
g
Control
Potentiometer & br - brown
r - red
Switch
bk - black
gy - grey
g - green
g/y - green & yellow
or/bk - orange & black
r/b - red & blue
y/bk - yellow & black
y/r - yellow & red
1 / in) in all poles and serving the
8
HIS APPLIANCE MUST BE EARTHED
2 (24 x 0.2mm) PVC grade to
Key
b - blue
w - white
or - orange
y - yellow
.
29