Keston K340 Manuel d'utilisateur

Fan Powered High Efficiency Commercial Condensing Gas BoilerInstallation And Servicing InstructionsKeston 260Keston 340PI No : 87AU111 GB/IEThese i

2.6.1 Open Vented SystemsA typical system is shown in Figure 2.6.1 which includes a combined feed andvent. Note the valve between the boiler flow and

All components of the system including the heat exchanger of any calorifiers usedmust be suitable for a working pressure of 3 bar and a temperature of

2.6.7 Pump SelectionThe Keston 260 and Keston 340 boilers are supplied complete with integral boilershunt pumps. However, these pumps are sized purely

Example:Air inlet uses twoone 92.5o sweepelbows. Hence,maximum lengthpermissible (ie a+bin figure 2.8.2) =20.0m - 1.0m - 1.0m= 18.0mFlue outlet uses o

The flue outlet terminal is designed to face outwards but can, if desired, beadapted to face in any direction BUT must not be directed in the region o

External wall faces and any internal faces of cavity walls must be made good.2.8 AIR SUPPLYThe Keston is a room sealed appliance and therefore does no

3. INSTALLATION OF THE BOILERRead Chapter 2 - Boiler Location and decide upon the position of the boiler.Installation of the boiler is straightforward

a From the two connections on the boiler, mark the positions of the two holes forthe flue and air pipes on the wall(s) or ceiling. To allow access to

3.9 ELECTRICAL SUPPLYThe entry point(s) for the electrical supply cable(s) is in the base of the appliance (seeSection 2.2 Service Connections fig. 2.

Reduce the pressure to the Initial System Design Pressure for sealed systems, ifapplicable. Vent the system.Gas SupplyThe complete gas installation up

CONTENTSSection Description1 GENERAL INSTRUCTION1.1 Description1.2 Boiler Schematic1.3 Related Documents1.4 Performance Data2 BOILER LOCATION2.1 Dimen

4. COMMISSIONING OF THE BOILERImportant:This condensing boiler contains components which could be damaged or blocked by grease, dirt,solder etc., from

f Set the left hand module on/off switch to "ON". The amber light will illuminate onthe On/Off switch, the red “lockout” light will illumina

4.7 COMBUSTION FINE TUNINGAlthough the gas pressure is preset at the factory differing flue arrangements may requirefine tuning of the gas pressures t

5. FAULT FINDING5.1 ELECTRICAL CONTROL SEQUENCEWhen the power supply is established to the boiler and the main boiler on/off switch is inthe "on

5.2 FAULT FINDING FLOW CHARTWD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing Instructions Pa

WD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation & Servicing Instructions Page : 22Is the module f

WD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing Instructions Page : 23Continued fromshee

WD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation & Servicing Instructions Page : 24Is module burne

WD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing Instructions Page : 25Does flame stop a

5.3 CONTINUITY CHECKINGWD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation & Servicing Instructions Page

4.7 Combustion Fine Tuning4.8 Handing Over To The User5 FAULT FINDING5.1 Electrical Control Sequence5.2 Fault Finding Flow Chart5.3 Continuity Checkin

5.4 MODULE FUNCTIONAL FLOW WIRING DIAGRAMWD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing I

5.5 FULL ELECTRICAL WIRING DIAGRAMWD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation & Servicing Instr

5.6 ILLUSTRATED WIRING DIAGRAMWD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing Instructions

5.7 Exploded Assembly Diagrams5.7.1 Casing Assembly WD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation &

5.7.2 Waterway, Condensate & Flue AssemblyWD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servici

5.7.3 Air - Gas AssemblyWD53/0/1998 Chapter 5 : Fault Finding The Keston 260 & 340 Condensing BoilerInstallation & Servicing Instructions Pag

5.7.4 Controls AssemblyWD53/0/1999 Chapter 5 : Fault Finding The Keston 260 and 340 Condensing BoilerInstallation & Servicing Instructions Page :

5.7.5 Exploded Diagrams Parts Reference ListCasing Assembly (Fig 5.7.1)GC Number Code Description- 4 Cabinet Frame- 40 Name Plate- 12 Front PanelWate

6. ROUTINE (ANNUAL) SERVICINGTo ensure the continued safe and efficient operation of the boiler it is necessary to carry outroutine servicing at regul

6.2 Recommended Routine ServiceThe procedure detailed below should be carried out on each boiler module in turn. Theintegral boiler controller ensures

1. GENERAL INSTRUCTION1.1 DESCRIPTIONThe Keston 260 and 340 Condensing Boilers are unique in their concept and design. Theycomprise two boiler modules

7. REPLACEMENT OF PARTSINDEX7.0 GENERAL7.1 PRECAUTIONS7.2 ACCESS7.3 PROCEDURES - GENERAL7.4 ELECTRICAL7.4.1 ON/OFF SWITCH7.4.2 BOILER THERMOSTAT7.4.3

7.0 GENERALThe following must always be carried out by a competent/qualified person.7.1 PRECAUTIONSi) Always switch off the mains electricity supplyii

iv) Drain the system to below the level of the appliance using the drain offtap at the base of each heat exchanger.v) Remove the push on connectors fr

xii) Reassemble (Section 7.3)xiii) Reset the gas rate (See Section 4 - Commissioning)7.4.9 Module Gas Low Pressure Switch (Fig. 5.7.3 item 134)i) Isol

7.8 MODULE HEAT EXCHANGER (Fig. 5.7.2 item 77)i) Isolate the appliance (Section 7.1)ii) Gain access (Section 7.2)iii) Shut of the water supply to the

7.12 MODULE SIGHT GLASS (Fig. 5.7.2 item 71)i) Isolate the appliance (Section 7.1)ii) Gain access (Section 7.2)iii) Unscrew the sight glass fitting fr

8. SHORT SPARE PARTS LISTItem GC No Part Denomination Item GC No Part Denomination74 - Burner 73 114 118Burner Manifold Gasket-68 375 527 Ignito

Item GC No Part Denomination Item GC No Part Denomination99 375 534Flow High Limit Stat 142 375 535Gas Valve OutletGasket136 375 536Gas Valve147 114 1

SHORT SPARE PARTS LIST FOR THE KESTONCONDENSING BOILER RANGEItem GC No Part Denomination74 - Burner-73 114 118 Burner Manifold Gasket68 375 527 Ignito

†Read Installation Manual Carefully†Ensure that there is at least 9 feet head of water pressure at thetop of the boiler.†Ensure that the boiler(s) is

Fig. 1.2 - Boiler LayoutThe condensate is very slightly acidic with a pH level of around 5 (about the same acidityas vinegar) and should be piped in a

CP342.2 : Centralised HW SupplyIM/2 : Purging procedure for non-domestic gas installationsIM/16 : Guidance for installation of gas pipework boosters a

2. BOILER LOCATION2.1 DIMENSIONS AND MINIMUMCLEARANCESThe boiler must be installed in minimumclearances shown to allow subsequentservicing, and safe o

Before locating the boiler near a living space consider whether the sounds generated bythe boiler will be objectionable. The boiler may be located wit

2.6 WATER SYSTEMSAll piping must be installed in accordance with all applicable local and Water SupplyBylaws for forced hot water heating systems.Cons