Worcester 350 Combi User Manual

Fig. 9b. Wiring diagram-Control panel and facia.
(All components shown viewed from front of appliance)
Control Panel
,-- -- -------
1 • r=--------------------~
I IGNITION BOARO
I
I
I
I
I
I
Fig. 1 0. Functional flow diagram.
X8 i~N 21
XJ !PI N 21
L
+
X4 UVEIN
w hit e
Xl !PIN 21
LOW SYSTEM
PRESSURE SWITCH
Xl ! PIN 41 ._~ bla~ck4-o_,
X9 !P IN 11
STANDBY INDICATOR
FROST THERMOSTAT IIF FITTED I
1-------•x• ---5 -- X4
--------- --------,
Indicator Ughts I
Operating Switdl
DEMAND
INDICATOR
XJ I ~N 11
--,
I
I
XS I ~N 91:
I
I
I
I
I
I
I
___ ....
DRIVER BOARD
11
STANDBY DEMAND LON PRESSURE I
~(Q) 0
I
I
I
I
I
I
I
I
grey
pink
min max
I
I
I
I
--- ---- - _J
X20 I ~N 91
L.---
tGNmON BOARD
RESI5TDR
ON FAN
ASSEMBlY
MAINS
N
N
N
N

Worcester 350 Combi Specifications

General

Brand	Worcester
Model	350 Combi
Category	Boiler
Language	English