13
INSTALLATION
i
combi
-
Installation and Servicing
5 bOILER assEMbLy - Exploded View
Note
that item numbers are linked to the spares list
104
CH RETURN VALVE
105
CH FLOW VALVE
106
DHW INLET & OUTLET
108
PUMP HEAD
110
AIR VENT PUMP
111
DIVERTOR VALVE MOTOR
112
DIVERTOR VALVE BODY
113
PRESSURE RELIEF VALVE
114
PIPE - PRV OUTLET
115
PIPE - FLOW
116
PIPE - RETURN
117
PIPE - ExPANSION VESSEL
118
ExPANSION VESSEL
119
RETURN GROUP KIT
120
FLOW GROUP KIT
121
PLATE HEAT ExCHANGER
124
FLOW REGULATOR CARTRIDGE
127
FLOW SENSOR/TURBINE
128
RETURN THERMISTOR
131
WATER PRESSURE SWITCH
135
PRESSURE GAUGE
138
DIVERTOR VALVE PADDLE
137
BYPASS CARTRIDGE
203
GAS COCK
204
PIPE - GAS INLET
205
GAS VALVE
206
PIPE - GAS INJECTOR
211
INJECTOR ASSEMBLY
214
VENTURI
215
FAN
217
BURNER
218
GASKET - BURNER
219
SUMP CLEAN OUT COVER
223
FLUE MANIFOLD
224
FLUE MANIFOLD TOP
227
CLAMP RETAINING FLUE TURRET
228
HOSE CONDENSATE INTERNAL
229
SIPHON TRAP
231
CONDENSATE OUTLET CONNECTION
302
PRIMARY PCB*
303
CUI BOARD
306
ELECTRODE IGNITION
307
ELECTRODE DETECTION
308
IGNITER UNIT
309
FLOW THERMISTOR
313
IGNITION LEAD
314
CONTROL BOx LENS
324
CONTROLS BOx LID
325
CONTROL BOx FRONT
326
MECHANICAL TIMER
401
HEAT ENGINE
503
WALL MOUNTING BRACKET
504
FRONT PANEL
506
BRACKET - GAS VALVE
507
BRACKET - ExPANSION VESSEL
510
ACCESS FLAP
* Note. that production boiler PCB’s are
factory pre-set to operate for boiler range and
output, but when ordering Primary PCB as a
spare, an additional Boiler Chip Card (BCC)
MUST also be purchased for your specific
boiler range and output.
504
313
215
217
309
214
306
211
206
308
307
506
223
205
115
510
326
325
314
324
219
204
229
231
302
303
135
105
116
106
203 106
104
124
119
137
127
131
108
119
128
113
110
111
138/112
121
118
507
224
503
218
401
120
117
114
228
227
IN
s
T
a
LL
a
TION