15
INSTALLATION
Installation and Servicing
Note
that item numbers are linked to the spares list
104
CH RETURN VALVE
105
CH FLOW VALVE
108
PUMP HEAD
110
PUMP AUTO AIR VENT
113
PRESSURE RELIEF VALVE
114
PIPE - PRV OUTLET
115
PIPE - FLOW
116
PIPE - RETURN
117
PIPE - EXPANSION VESSEL
118
EXPANSION VESSEL
120
FLOW GROUP MANIFOLD
121
BY-PASS KIT
131
WATER PRESSURE SWITCH
135
PRESSURE GAUGE
203
GAS COCK
204
PIPE - GAS INLET
205
GAS VALVE
5 BOILER ASSEMBLY - E
xploded View
504
227
224
503
505
313
215
309
308
306
217
307
401
218
211
304
214
223
325
302
104
BCC
114
117
118
507
203
135
105
231
228
229
303
304
116
115
219
301
324
314
110
113
120
108
121
206
205
204
506
131
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
301
CONTROLS BOX FIXINGS HINGE & SPRING
302
PRIMARY PCB*
303
CUI BOARD
304
CONTROL THERMISTOR (RETURN)
306
ELECTRODE IGNITION
307
ELECTRODE DETECTION
308
IGNITER UNIT
309
THERMISTOR CONTROL/NO FLOW
313
IGNITION LEAD
314
CONTROL BOX LENS
324
CONTROLS BOX LID
325
CONTROL BOX FRONT
401
HEAT ENGINE
503
WALL MOUNTING BRACKET
504
FRONT PANEL
505
FASCIA
506
BRACKET - GAS VALVE
507
BRACKET - EXPANSION VESSEL
* Note that production boiler PCBs 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.
INST
ALLA
TION