Baxi Solo 2 60 RS Installation And Servicing Instructions page 23

KEY
br - brown
b - blue
g/y - green/yellow
or - orange
r - red
w - white
br
Boiler
thermostat
or
or
External
Programmer
Fuse
L
3A
220/240V
br
Overheat
thermostat
w
w
g/y
b
g/y
b
b
r
br
Pump Overrun
Circuit
Thermocouple
w
Overheat
Thermostat
w
Boiler
Thermostat
br
3
2
Gas
Valve
or
Pump-Overrun
Timer
Pump
r
N
Electrical Supply
The electrical supply for this Solo 2 RS depends on
the design of the central heating system i.e.
Gravity DHW and Pumped Central Heating - 3 core
cable.
Fully Pumped, Open Vented with rising primaries - 4
core cable. However, 3 core cable can be used if the
timed pump overrun and overheat thermostat are
disconnected.
Sealed Systems and Fully Pumped
Gas valve
Systems with dropping pipework - 4
core cable must be used.
g/y
S/L N
FOR FULLY PUMPED AND SEALED
The recommended cable for connection to the
appliance terminal strip is 4-core 0.75mm
(24 x 0.2mm dia) P.V.C. IEC 53 code 227 (heat
resistant).
External wiring must be correctly earthed and
polarised and in accordance with current I.E.E. wiring
regulations.
The mains supply required is 230V ~ 50Hz fused at
N
3A.
THIS APPLIANCE MUST BE EARTHED.
NOTE: The method of connection to the electricity
supply must facilitate complete electrical isolation of
the appliance.
Detail of the electrical supply
for the various system
designs can be found below.
2
1
view in arrow
direction
Pump
P/L L N
SYSTEMS
2
WARNING
23