Benchmark mCHP BMA 225 Service Manual

DESIGN, INSTALLATION AND SERVICING INSTRUCTIONSPLEASE LEAVE THESE INSTRUCTIONS IN THE POCKET PROVIDED ON THE BACK OF THE FRONT PANELAN OPEN VENTED CEN

Page 101.2 TECHNICAL DATA1.0 DESIGNSensor Tempature ReadingsDetails of the various sensors S1-S6 used in the BoilerMate A-Class are shown op

Page 11BOILERMATE A-CLASS OV1.3 SYSTEM DETAILSHot and Cold Water SystemGeneralA schematic layout of the hot and cold water services in a typical small

Page 121.3 SYSTEM DETAILSHot and Cold Water SystemPipe Sizing / MaterialsTo achieve even distribution of the available supply of hot and cold

Page 13BOILERMATE A-CLASS OV1.0 DESIGN Heating SystemGeneralA schematic layout of the heating system in a typical small dwelling is shown opposite.The

Page 141.0 DESIGN 1.3 SYSTEM DETAILSPipe Sizing/MaterialsThe primary pipework connecting the boiler and the thermal store should be sized to achieve a

Page 15BOILERMATE A-CLASS OV1.0 DESIGN 1.3 SYSTEM DETAILSAny boiler used must be fitted with an overheat thermostat i.e. it must be suitable for

Page 161.0 DESIGN 1.3 SYSTEM DETAILSConnection of Bathroom Radiator/Towel-Rail for Summer use If a pumped circuit is required for the bathroom radiato

Page 17BOILERMATE A-CLASS OV1.3 SYSTEM DETAILSHeating SystemMethod of connecting two BoilerMates to one heat source.If the primary flow and return pipe

Page 181.3 SYSTEM DETAILS‘Switch’The BoilerMate A-Class is supplied with ‘Switch’ which provides a 6kW electrical emergency back up in the case o

Page 19BOILERMATE A-CLASS OVElectrical Supply requirements for BoilerMate A-Class 2.0 INSTALLATION2.1 SITE REQUIREMENTSThe appliance is designed to

Page 2CONTENTSSection Page1.0 DESIGN 1.1 Introduction 3 1.2 Technical Data 5 1.3 System Details 11 2.0

Page 202.2 INSTALLATION2.0 INSTALLATIONHANDLINGWhen lifting the unit work with someone of similar build and height if possible. Choose one person to

Page 21BOILERMATE A-CLASS OVThe position of the pipework connections is shown opposite. The connection sizes and dimensions are listed in Sect

Page 222.2 INSTALLATION2.0 INSTALLATION'A' Class Boilermate ver 4.FC7BlBBBlBlBlBlRRRBrBrG/YG/YBr BrBrBrBrBrBrBrBrBrBrBrYBYBOOWhWhWhWhWhWhWhO

Page 23BOILERMATE A-CLASS OV2.0 INSTALLATION2.2 INSTALLATION'A' Class Boilermate ver 4.FC7BlBBBlBlBlBlRRRBrBrG/YG/YBr BrBrBrBrBrBrBrBrBrBrB

Page 24It is normally envisaged that the feed and expansion cistern will be located in the same cupboard as the BoilerMate appliance itself to

Page 25BOILERMATE A-CLASS OV2.2 INSTALLATIONElectrical Connection - Standard ApplianceThe BoilerMate A-Class OV is pre-wired to DIN rail terminals f

Page 262.2 INSTALLATION2.0 INSTALLATIONThe BoilerMate A-Class incorporates a pump overrun for the boiler pump and terminal L1 on the terminal strip

Page 27BOILERMATE A-CLASS OV2.0 INSTALLATION2.2 INSTALLATIONElectrical Power Supplies - BoilerMate A-Class with Switch.WARNING: THE BOILERMATE A-C

Page 28Zoned heating systemsBoilerMate is available in a multi-zone version for use where a property has to have its space heating zoned. Where this

Page 29BOILERMATE A-CLASS OV2.2 INSTALLATIONLNSwitch Immersion heater with•2 x 3kW elements •2 x auto reset OHT set at 95 +0,-5oC•1.5m long 2.5mm2high

Page 3BOILERMATE A-CLASS OV1.0 DESIGN1.1 INTRODUCTIONTh es e in st ru ct io n s s h o u l d b e re ad i n conjunction with the Installation and

Page 302.3 COMMISSIONING2.0 INSTALLATIONOpen the incoming stop valve and fill the domestic mains cold and hot water systems.Fill the who

Page 31BOILERMATE A-CLASS OV2.3 COMMISSIONING2.0 INSTALLATIONOnce the system is fi nally fi lled turn down the servicing valve for the ballvalve in the

Page 32 These Instructions should be placed along with the component manufacturers instructions in the pocket provided on the rear of the front panel.

Page 33BOILERMATE A-CLASS OV2.0 INSTALLATION2.3 COMMISSIONING10. DO ensure that the bypass valve for the heating system (if fitted) is set cor

Page 343.1 ANNUAL SERVICINGNo annual servicing of the BoilerMate A-Class is necessary.However, if required, the operation of the controls and a

Page 35BOILERMATE A-CLASS OV3.3 SHORTS PART LIST3.0 SERVICINGKey No.Description Supplier/Components Stock Code NoModels Gas Council No.1 PHE pump Grun

Page 363.0 SERVICING3.4 FAULT FINDINGDespite everyones best efforts some problems could occur and lead to complaints from the householder.Complaints c

Page 37BOILERMATE A-CLASS OVWATER RELATED COSTS CAN BE REDUCED BY GOOD PLUMBING PRACTICE. Vast quantities of water are needlessly r

Page 38APPENDIX BTwo sets of manifolds are available as an optional extra. Each set comprises a separate hot and cold water manifold. B

Page 39BOILERMATE A-CLASS OVAPPENDIX BThe pressure loss through a flow regulator at the designated flow rate is about 1.8 bar. Therefore

Page 4The BoilerMate A-Class OV shown schematically above is designed to provide improved space heating and mains pressure hot water when coupled to a

Page 40APPENDIX BThe size of the distribution pipes supplying the manifold should be calculated using the method set out in BS 6700.

Page 41BOILERMATE A-CLASS OVAPPENDIX C2Inhibitor (Corrosion & scale protectionof primary heating circuit)G U I D A N C E N O T E S3Scale protect

Page 42APPENDIX D

Page 43BOILERMATE A-CLASS OV                  

Page 44

Page 5BOILERMATE A-CLASS OV1.2 TECHNICAL DATANotes:-1. The BoilerMate 225 appliance is suitable for use in large properties because it produces the

Page 61.2 TECHNICAL DATAStandard EquipmentThe standard configuration of the BoilerMate A-Class OV is shown opposite. The Appliance Control Board (A.

Page 7BOILERMATE A-CLASS OV1.0 DESIGN 1.2 TECHNICAL DATANote: The Appliance dimensions above do not allow for the100mm high installation baseThe fol

Page 81.0 DESIGN 1.2 TECHNICAL DATA

Page 9BOILERMATE A-CLASS OV1.2 TECHNICAL DATAAppliance Control Board The appliance control board (shown opposite) has a 2 digit display and 2 push bu