Keston Combi 35kw User Manual download pdf (Page 12)

12

INSTALLATION

Keston Combi - Installation and Servicing

6

BOILER ASSEMBLY - Exploded View

227

224

503

313

504

505

512

215

217

309

306

308

211

214

206

205

204

223

332

326

325

302

*

104

110

114

113

136

121

118

507

131

128

127

120

119

117

106

203

106

107

135

105

111

231

112

228

229

303

304

116

115

219

301

401

218

307

324

108

314

506

104 CH Return Valve

105 CH Flow Valve

106 DHW Inlet & Outlet

107 Filling Loop

108 Pump Head

110 Air Vent Pump

111 Diverter Valve Head

112 Diverter Valve Cartdrige

113 Pressure Relief Valve

114 Pipe - PRV Outlet

115 Pipe - Flow

116 Pipe - Return

117 Pipe - Expansion Vessel

118 Expansion Vessel

119 Return Group Manifold

120 Flow Group Manifold

121 Plate Heat Exchanger

127 Flow Sensor Hall Effect

128 Flow Turbine Cartridge

131 Water Pressure Transducer

135 Pressure Gauge

136 Safety Valve Drain Pipe

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

301

Ctrs 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 No Flow

313 Ignition Lead

314 Control Box Lens

324 Controls Box Lid

325 Control Box Front

326 Programmer Insert

332 Flue Thermostat

401 Heat Engine

503 Wall Mounting Bracket

504 Front Panel

505 Fascia

506 Bracket - Gas Valve

507

Bracket - Exp. Vessel

136 Safety Valve Drain Pipe

512 Drop Down Door

332 Flue Thermostat

* Note that production boiler PCBs are

factory pre-set to operate for boiler range

and output. When ordering Primary PCB

as a spare, an additional Boiler Chip Card

(BCC) MUST also be purchased for your

specic boiler range and output.

Check boiler serial letter code on data

plate to obtain correct BCC.

INSTALLATION

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