Andrews LWHX56 Installation Guide

InstallationGuide,Operation andMaintenanceManualWHX42WHX56LWHX42LWHX56ExternalFASTTfloCONTINUOUS FLOW WALL HUNGBALANCED FLUE HEATERS FORNATURAL GAS AN

66. Installation ClearancesItemDistance from combustibles• Maintain the following clearancesfrom both combustible andnon-combustible materials.• There

7Illustration7. InstallationCheck4. Drill holes for the remaining four screws.5. Hang the unit again by the first screw, and theninsert and tighten th

8Measuring Gas PressureIn order to check the gas supply pressure to the unit, atap is provided on the gas inlet. Remove the hex headphilips screw fro

99. Water PipingThis appliance is suitable for potable water. Do not use this appliance if any part has been underwater. Immediatelycall a qualified

10Do not connect electrical power to the unit until all electrical wiring has been completed.Consult a qualified electricianfor the electrical work.10

111. Remove the front cover of the heater (4 screws).2. Pass the remote controller cord through the wiringthroughway and into the unit.3. Connect the

12Handling after trial operation• In Freezing areas: If the unit will not be used immediately, close off all gas and water shutoffvalves, drain all of

13Lighting InstructionsThis water heater does not have a pilot. It is equipped with an ignition device that automatically lightsthe burner.1. Read th

1412. DimensionsWHX42, WHX56, LWHX42, LWHX56(unit: mm)LOWER WALL MOUNT BRACKETS入水COLLGROUNDGASHOTWATER DRAIN VALVEWATER DRAIN VALVE(WATER FILTER)HOT W

15Wiring Diagram (WHX42, WHX56, LWHX42, LWHX56)(VACANT CONNECTOR)BURNER THERMISTORBYPASS WATER FLOW SENSOR MAIN WATERFLOW SENSORBLWGBLBLGWBLRRBKBKGAS

Copyright Andrews Water Heaters 2005Reproduction of any information in this publication by any method is not permittedunless prior written approval ha

16NoteDo not connect power to the water heater before the remote controller has been properly installed.SETON / OFFSET(1) Remove the decorative cover.

171. Removing the transformer(1) Remove the 2 quick fasteners and removethe bypass pipe.14. ServicingImportant NotesTo ensure the continued efficient

182. Removing the electric board(1) Remove the locking screws at the topand bottom and ground screw, then pullboard out.3. Removing the manifold• Remo

19(2) Remove the fasten terminal of the gaselectromagnetic valve, then remove the4 manifold locking screws.4. Removing the hot-water supply fan• Remov

205. Removing the gas electromagneticvalve block• Remove the electric board and manifoldin advance.(1) Remove the gas electromagnetic valvelocking scr

21For Quick-discharge typeRemove the intake water pipe lockingscrew and 2 locking fasteners of thenon-return valve, then remove theintake water pipe

227. Removing the heat exchanger• Remove the electric board, manifold,mixing tube block and connectors inadvance.(1) Remove the 3 locking screws at th

23External outfitting WHX42AD,WHX56AD00100300200302307102100400900700801107001001207302503902202707207004007073007005000516. Servicing parts listsWHX4

24External outfitting WHX42AD,WHX56AD001 WHX56AD Front set-AS SKA7262 1002 Front packing S AAP AAPL015 1003 Front packing L AAP AAPL017 2004 Lam

25Combustion unit and gas route WHX42AD,WHX56AD1001091261731700701191250701731221231211201721720751241711211101161171171181711721751751121111151141270

1) Included Accessories 22) Optional Accessories 23) Quick Connect Multi System Installation 34) Before Installation 45) Choosing Installation Site 56

26Combustion unit and gas route WHX42AD,WHX56AD100 Combustion tube set EAC SET-V SBP7302 1101 Flame rod DLK SET-V SBA7506 1102 Plug packing(for N) DL

27Hot-water feed route WHX42AD,WHX56AD4014244334284024834844064024074084021734094064714705114114134104340734531724201724554434455094184344564564344314

28Hot-water feed route WHX42AD,WHX56ADThermal fuseHeat exchanger SETThermal fuse fastener(Rear side view)(Left side view) (Right side view)(Front side

29Hot-water feed route WHX42AD,WHX56AD400 Heat exchanger EJM SET-AS SKA7139 1401 Thermal fuse DHN SET-V SBA7398 1402 Thermal fuse fastener CXD CX

30Electronic control unit WHX42AD,WHX56AD703705700073710732070070714715717722070073721721733730731713711070070FGH701HFG712WHX42AD,56AD印刷 05.6.16, 7:27

31Electronic control unit WHX42AD,WHX56AD700 Relay case ELE SET-AS SHA7826 1701 Harness AD ELE ELEJ031 1703 Lamp cable conduit CRP

32Remote controllerkitchen remote controller(RC-7508M)Attached setRemote controller and Attached set WHX42AD,WHX56AD803751752786788787Special part Spe

33Remote controller and Attached set WHX42AD,WHX56AD751 RC-7508M Body AD(SE) QPA QPAJ013 1752 M Dressed frame body AD(SE) QPA QPAA013 1786 Oar pl

34Specifications• Specifications may be changed without prior notice.• The capacity may differ slightly, depending on the waterpressure, water supply,

35ItemGasConsumption (NET)Hot Water CapacityCapacity RangeTemperature Settings25°C Rise58°C Rise32 L/min.13 L/min.3.5 - 32 L/min.37 - 48, 50, 55, 60,

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Andrews Water HeatersWednesbury OneBlack Country New RoadWednesburyWest Midlands WS10 7NZTel: +44 (0)121 506 7400Fax: +44 (0)121 506 7401Email: andrew

Potential dangers from accidents during installation and use are divided into the following threecategories. Closely observe these warnings, they are

22. Optional AccessoriesThe accessories listed below are notincluded with the units, but may be necessaryfor installation.Part Shape Q’ty1. Included A

33. Quick Connect Multi System Installation• The Quick Connect Multi System allows the installation of two units together utilizing only the QuickConn

4Check the Gas• Check that the rating plate indicates the correct type of gas.Check that the gas supply line is sizedfor 62.3 kW for this unit.Check t

5Caution• The water heater is designed for external installation only. Neverinstall it indoors or in a bathroom.• Consult with the customer concerning