EAW POWER AMPLIFIER CXA120 Spécifications

Installers guide to commercial central heating boilersINSTALLATIONIDEALIDEALIDEALIDEALIDEALMANUALTHETHETHETHETHE& SERVICINGConcordCXA 40 - 120

10Concord CXA - Installation and ServicingCASING PACK contains:• Front panel ... 1 off• Side panel... 2 off• To

Concord CXA - Installation and Servicing11INSTALLATION7PACKAGING AND BOILER REMOVAL1. Remove the casing carton and outer packagingframe.2. Remove the

12Concord CXA - Installation and Servicing1. Unpack the control box from its carton and release thetemperature sensing probe strapped to the back of t

Concord CXA - Installation and Servicing137. Route the overheat thermostat capillary through thecable clips as shown. Ensure the phial is correctlyse

14Concord CXA - Installation and ServicingINSTALLATIONINSTALLATIONThe internal wiring of the boiler control box is shown in Frame16.Wiring should be i

Concord CXA - Installation and Servicing15INSTALLATIONINSTALLATION16INTERNAL WIRINGbr brownr redLEGENDb bluebk blacky yelloww whitey/g yellow/greenor

16Concord CXA - Installation and ServicingIMPORTANTTerminal L2 may control the appropriate pump(s) directly,provided that the total running or startin

Concord CXA - Installation and Servicing17INSTALLATION19ZONES WITH SPRING-RETURN MOTORISED VALVESIMPORTANTTerminal L2 may control the appropriatepump(

18Concord CXA - Installation and ServicingINSTALLATIONINSTALLATION20COMMISSIONING AND TESTINGGENERALCheck that all drain cocks are closed, that any st

Concord CXA - Installation and Servicing19INSTALLATION22GAS PRESSUREMANIFOLD PRESSUREThe manifold setting pressure must now be checked andadjusted as

2Concord CXA - Installation and ServicingCAUTION.To avoid the possibility of injury during the installation, servicing or cleaning ofthis appliance ca

20Concord CXA - Installation and ServicingNote. Casing omitted for clarityRemove the 2 screws securing the control box door, lift itand carefully drop

Concord CXA - Installation and Servicing21SERVICINGSERVICING4mmPilot burnerPilot draughtshield3 - 4mmSpark gapFlame detectorelectrodeSparkelectrodeMai

22Concord CXA - Installation and ServicingSERVICINGSERVICING1. Remove the LH burner as previously described inFrame 272. Remove the 2 screws securing

Concord CXA - Installation and Servicing23SERVICINGSERVICINGLEGEND1. Main gas inlet cock2. Gas inlet union3. Gas control valve4. 'O' ring se

24Concord CXA - Installation and ServicingSERVICINGSERVICING38 CONTROL SENSORPOTENTIOMETER ASSEMBLY1. Undo the thermostat knob retaining screw and pul

Concord CXA - Installation and Servicing25SERVICINGSERVICING40CONTROL BOX - Basic Boiler, Exploded ViewLEGEND1. Wiring clamp.2. Connection box plug.3

26Concord CXA - Installation and ServicingSERVICING43 COMBUSTION CHAMBER INSULATION REPLACEMENTThe insulation boards used in the combustionchambers of

Concord CXA - Installation and Servicing2744 INSTRUCTIONS FOR SITE ASSEMBLED BOILERSThe site assembled boiler is supplied in the followingpackages:z C

28Concord CXA - Installation and Servicing45INSTRUCTIONS FOR SITE ASSEMBLED BOILERS - continuedprovided.17. Refit the manifold assembly.Position the b

Concord CXA - Installation and Servicing29 Allow time to purge any airpresent.Ensure that there is gaspressure at the boilerinlet. Check that the pilo

Concord CXA - Installation and Servicing3CONTENTSAir Supply. ... 9Boiler Assembly

30Concord CXA - Installation and ServicingNOSecure and tightenNO47PILOT LIT BUT NO MAINS GASAre the plugs on the gas valve(s) secure and tight ?YESFAU

Concord CXA - Installation and Servicing31Key No. Description Qty. Product No.12D Boiler body insulation ... CXA 40 1 15

SHORT LIST OF PARTSCaradon Plumbing Limited, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4JN. Telephone: 01482492 251 Fax: 01482 448 858. Reg

4Concord CXA - Installation and ServicingBoiler CXA 40 CXA 50 CXA 60 CXA 70 CXA 80 CXA 90 CXA 100 CXA110 CXA120Number of sections 3 44556667Boiler

Concord CXA - Installation and Servicing5GENERALBoiler Size Cold Feed Open VentCXA 40 - 50 3/4"1"CXA 60 -120 1" 1 1/4"Sealed syste

6Concord CXA - Installation and ServicingBoiler Size CXA 40 CXA 50 CXA 60 CXA 70 CXA 80 CXA 90 CXA100 CXA110 CXA120No. of sections 3 4 4 5 5 6 6 6 7F

Concord CXA - Installation and Servicing7GENERALParticular reference should be made to BS. 6644: Section 2;Subsection 10 and Guidance note PM5 "A

8Concord CXA - Installation and ServicingGENERALIn practice the deposition of these salts is liable to causenoises from the boiler body or even premat

Concord CXA - Installation and Servicing9Position ventilation grilles to avoid the risk of accidentalobstruction by blockage or flooding. If further