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Sharp WH-N115B Operation Manual
Sharp WH-N115B Operation Manual

Sharp WH-N115B Operation Manual

Instant water heaters

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Instant Water Heaters
Operation Manual
WH-P315RN
WH-N115B
WH-N115SR
WH-P315N
WH-P219SR

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Summary of Contents for Sharp WH-N115B

  • Page 1 Instant Water Heaters Operation Manual WH-P315RN WH-N115B WH-N115SR WH-P315N WH-P219SR...
  • Page 2: Table Of Contents

    Contents Pages Introduction ..................... Important Safety Information ................Part Contents Checklist .................. 5 - 6 Parts Description ..................... 7 - 11 Rain Shower Accessory Installation Guide ............. Electrical Requirements .................. Water Requirements ..................Installation ....................... 15 - 16 Fitting the Shower set ................... Commissioning ....................
  • Page 3: Introduction

    SHARP Instant Water Heater. SHARP Instant Water Heater...
  • Page 4: Important Safety Information

    Earthing Requirement: The Earthing installation should be carried out in accordance with the local Wiring Regulations.Where EARTHING of the premises is not evident, it is neccessary to run an EARTH CONDUCTOR and solidly connect an earth rod local to the installation. The following notes are for guidance only: 1.2.1 Select a damp place to bury the earth rod.
  • Page 5: Part Contents Checklist

    Part Contents Checklist (For Unit c/w Normal Shower Accessories) 1 x SHARP Unit 4 x Wall Plug & Screw Set 1 x Flexible Hose c/w 2pcs washer Model : WH-N115 Model : WH-P219 Model : WH-N115B Series Series 1 x Handshower MH-1...
  • Page 6 2-Tier RS Top 1 x SHARP Unit 2-Tier Diverter Valve 1 x Handshower MH-5 c/w filter meash washer...
  • Page 7: Parts Description

    Parts Description Parts Description 1. Heater Cover 2. Indicator Lights 3. Power Control Knob 4. RCD Test Reset button 5. Stop Valve 6. Regulator Valve 7. Rail Support (2 Nos) 8. Handshower 9. Shower Holder 10. Sliding Rail 11. Rotatable Soap Dish 12.
  • Page 8 2-Tier Diverter Valve...
  • Page 9 Parts Description Parts Description MODEL: WH-N115 1. Heater Base 2. Heater Tank 3. Inlet Assembly 4. Female Connector 5. RCD 6. Terminal Block 7. Rubber Grommet 8. Cable Clamp 9. Heater Cover 10. EC Control 11. Outlet Tube...
  • Page 10 Parts Description Parts Description MODEL: WH-P315 1. Heater Base 10. Rubber Grommet 2. DC Pump 11. Pump Speed Control 3. Heater Tank 12. Cable Clamp 4. Inlet Assembly 13. Pump Speed Bracket 5. Connector Link 14. Pump Speed Knob (Silver) 6.
  • Page 11 Parts Description Parts Description MODEL: WH-P219 1. Heater Base 2. AC Pump 3. Heater Tank 4. Inlet Assembly 5. Connector Link 6. RCD 7. Terminal Block 8. EC Control 9. Outlet Tube...
  • Page 12: Rain Shower Accessory Installation Guide

    Drill holes and insert wall plugs provided according the recommended dimension as shown (2 holes) Secure Rainshower(RS) 2-Tier Diverter to Rainshower(RS) Sliding Rail. Rainshower(RS) 2-Tier Diverter to Rainshower(RS) Rainshower(RS) 2-Tier Diverter. to 2-Tier Diverter outlet (BOTTOM: to Handshower) outlet of Rainshower(RS) 2-Tier Diverter. HANDSHOWER 2-TIER DIVERTER VALVE...
  • Page 13: Electrical Requirements

    Electrical Requirement WARNING THIS APPLIANCE MUST BE EARTHED Voltage Power Amperes Cable Size Fuse / MCB ON / OFF (V~) (kW) (mm²) Switch (A) 15.9 20.5 30 / 32 30 / 32 220V ~ 50Hz 30 / 32 25.0 30 / 32 14.4 230V ~ 60Hz 30 / 32...
  • Page 14: Water Requirements

    Water Requirement Plumbing Schematic Diagram An electric water heater can be fitted in your home regardless of the type of plumb- Cold water ing system as in most cases they can cistem operate directly off the mains cold water supply. Stop Valve Fig.
  • Page 15: Installation

    Installation FIXING THE SHOWER TO THE WALL Important: The shower must be mounted on a flat surface which covers the full width and length of the backplate. It is important that the wall surface is flat otherwise difficulty may be encountered when fitting the cover.
  • Page 16: Plumbing Connections

    Installation PLUMBING CONNECTIONS COMPLETE THIS PROCESS BEFORE WIRING CON- NECTION CONNECTION PROCEDURE: Connect the water supply to the inlet of the shower via 15mm copper, stainless steel or plastic pipe using a 15mm x 15mm elbow compression fitting. Do not use excessive force when making these connections.
  • Page 17: Fitting The Shower Set

    Fitting The Shower Set FITTING THE HOSE AND SPRAY HEAD Fit the flexible hose by screwing to the unit outlet (Left side) and sprayhead, ensuring the supplied filter mesh washer are in place at the outlet and the Washer Filter Mesh Washer at the sprayhead Place the sprayhead into the holder and check that it fits correctly...
  • Page 18: Commissioning

    Commissioning DO NOT switch on the electricity supply until the following procedure has been completed and the cover has been fitted. The first operation of the shower is intended to flush out any remaining unit dirt particles, and to ensure the heater unit contains water before the elements are switched on.
  • Page 19 Commissioning Commissioning TESTING RCD (Residual Current Device) Test the RCD by pressing the TEST Button. The HEATER and RCD light will turn OFF. Press the RESET Button to switch ON the unit again. This shows the RCD should be in good condition. Note! If nothing happen when these button are pressed, do not use the heater, and...
  • Page 20: Operating The Shower

    Commissioning Operating the Shower CAUTION: Do Not Test Stop Valve under dry condition. Important notes: 1. It is recommended that the pump be operate at intervals of 30 minutes with 30 minutes rest. 2. For WH-P219: It is normal to found carbon deposits within the product due to the oper- ation of AC Pump that will consumed the carbon brush, and it is subject to be...
  • Page 21 Operating the Shower Commissioning...
  • Page 23: Troubleshooting

    Troubleshooting Fault / Symptom Cause Remedy Check whether the water supply is 1.1 Interrupted of Water Supply available. 1. No shower coming out from the 1.2 Incoming water supply stop Turn on stop valve. heater. valves turned off. Blocked sprayhead - clean or replace 1.3 Dirt particles blocking inlet / sprayhead.
  • Page 24: Specification

    Specification WH-N115 Series – Available in 3.5kW, 4.5kW & 5.5kW, 220V AC, 50Hz – Available in 3.3kW & 4.5kW, 230V AC, 60Hz – Available in 3.8kW, 240V AC, 50Hz Schematic Wiring Diagram SCHEMATIC WIRING DIAGRAM (WH-N115) Thermal Cut-out Lout Nout ELECTRONIC CONTROL BOARD FLOW ELCB-2...
  • Page 25 Specification WH-P315 Series Available in 4.5kW, 220V AC, 50Hz Available in 3.3kW & 4.5kW, 230V AC, 60Hz Schematic Wiring Diagram SCHEMATIC WIRING DIAGRAM (WH-P315) Thermal Cut-out Lout PUMP SPEED CONTROL VR 0-100K Nout ELECTRONIC CONTROL BOARD ELCB-2 ON/OFF POWER SWITCH CONTROL LVDC TRIAC...
  • Page 26 Schematic Wiring Diagram SCHEMATIC WIRING DIAGRAM (WH-P219) Thermal Cut-out Lout Nout ELECTRONIC CONTROL BOARD FLOW ELCB-2 ON/OFF POWER SWITCH SWITCH CONTROL TRIAC SWT-EC PUMP SPEED CONTROL VR 0-100K RESET TEST To Heater TEST/RESET Chasis INDICATOR BOARD HEATING ELEMENT SHARP; Rev. K 06.09.2024...

This manual is also suitable for:

Wh-n115srWh-p315rnWh-p219srWh-p315n