Layout Of Appliance (Zsbr/Zwbr) - Worcester ZSBR 7-28 ICS1 Service Booklet

Layout of Appliance (ZSBR/ZWBR)

1 Layout of Appliance (ZSBR/ZWBR)
Automatic vent
Fan connector
Fan
Mixer unit
Silencer
CH flow
Gas supply
pipe
Flue gas safety
temperature
limiter
Gas flow
restrictor: adju-
sting screw for
CO max.
2
Gas valve:
adjusting
screw for CO
2
min.
Plate-type heat
exchanger
(ZWBR)
Hot water NTC
sensor (ZWBR)
Condensation
trap
Transformer
4
Heatronic
Testing points:
flue gas
air
Fan fixing
screws
Burner fixing
screws
Electrode
assembly:
Flame sensing
electrode
Ignition electro-
des
CH flow NTC
sensor
CH flow safety
temperature
limiter
Inspection
opening
Variable-charac-
teristic pump
Change-over
valve
Change-over
valve motor
Water switch
(ZSBR)
7 181 465 347 (01.07)