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Andrews WHiX49 Installation Manual

Gas water heaters (external).
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INSTALLATION MANUAL
GAS WATER HEATER
WHiX49, LWHiX49, WHiCX56, LWHiCX56 (External)
*SBB80Z8*
Please read and understand these instructions before commencing installation and leave this manual with the customer for future reference.
Andrews. Built to perform.

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   Summary of Contents for andrews WHiX49

  • Page 1 INSTALLATION MANUAL GAS WATER HEATER WHiX49, LWHiX49, WHiCX56, LWHiCX56 (External) *SBB80Z8* Please read and understand these instructions before commencing installation and leave this manual with the customer for future reference. Andrews. Built to perform.
  • Page 3 Installation Manual AGENT : ANDREWS WATER HEATERS Innovation House 3 Oaklands Business Centre Oaklands Park GAS WATER HEATER Wokingham Berkshire RG41 2FD, UK PRODUCT : NORITZ CORPORATION WHiX49, LWHiX49 (External) 5, Minamifutami, Futami-cho, WHiCX56, LWHiCX56 (External) Akashi, Hyogo, Japan WARNING: If the information in this manual is not followed exactly, a fi...
  • Page 4: Included Accessories

    Main Controller Quick Connect Cord-2 (RC-9018C) (2m) System Controller System Controller (SCU-401-12M) (SC-401-6M) for 1-6 units for 1-6 units compatible with compatible with WHiCX56 series WHiX49 series Specification WHiX49 LWHiX49 WHiCX56 LWHiCX56 75.9W 75.9W 75.9W 75.9W 6.5mbar 10.0mbar 6.9mbar 8.4mbar 3.1mbar...
  • Page 5: Quick Connect Multi System Installation

    Remote Controller of the devices. Remote Controller Cord Gas Supply Piping Cold Water Supply Hot Water Distance at center: 515 - 922mm (WHiCX56) 401 - 808mm (WHiX49) Typical Plumbing Distance on sides 50 - 457mm Union Union Quick Connect Union...
  • Page 6: Before Installation

    Before Installation Caution Check the Gas • Check that the rating plate indicates the correct type of gas. Check that the gas supply line is sized for 54.0 kW for this unit. Check the Power • The power supply required is 220 - 240V AC, at 50Hz. Using the incorrect voltage may result in fi...
  • Page 7: Choosing Installation Site

    Choosing Installation Site * Locate the appliance in an area where leakage from the unit or connections will not result in damage to the area adjacent to the appliance or to the lower fl oors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance.
  • Page 8: Installation Clearances

    Installation Clearances Caution Before installing, check for the following: Install in accordance with relevant building and mechanical codes, as well as any local, state or national regulations. Item Check Illustration • Maintain the following clearances from both combustible and 600 mm non-combustible materials.
  • Page 9: Flue Requirements

    FLUE REQUIREMENTS D&E Dimension Symbol Terminal Position Directly below an opening, air brick, opening windows, ect. 300mm Above an opening, air brick, opening window, ect. 300mm Horizontaly to an opening, air brick, opening window, ect. 300mm Below plastic gutters, soil pipes, drain pipes, ect. 75mm Below eaves 200mm...
  • Page 10: Installation

    Installation Securing to the wall • The weight of the device will be applied to the wall. If the strength of the wall is not suffi cient, reinforcement must be done to prevent the transfer of vibration. • Do not drop or apply unnecessary force to the device when installing. Internal parts may be damaged and may become highly dangerous.
  • Page 11 Terminal Guards A terminal guard is required if persons could come into contact with the terminal or the terminal could be subject to damage. If a terminal guard is required, it must be positioned to provide minimum of 50 mm clearance from any part of the terminal and be central over the terminal.
  • Page 12: Gas Piping

    Gas Piping Follow the instructions from the gas supplier. The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 35 mbar. The Appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 35 mbar.
  • Page 13: Water Piping

    If the water heater is installed in a closed water supply system, such as one having a backfl ow preventer in the cold water supply line, means shall be provided to control thermal expansion. Contact ANDREWS WATER HEATERS TECHNICAL DEPARTMENT FOR ADVICE.
  • Page 14: Electrical Wiring

    Electrical Wiring Consult a qualifi ed electrician for the electrical work. Do not connect electrical power to the unit until all electrical wiring has been completed. i) "A means of disconnection from the supply mains having a contact separation in all poles must be provided to allow for full disconnection".
  • Page 15: Remote Controller

    Remote Controller • Applicable Model WHiX49, LWHiX49, WHiCX56, LWHiCX56 RC-9018M Main Remote controller The remote controller must be installed in accordance with the installation manual enclosed in the • package. Connecting Remote Controller Cord to Unit • Keep the remote controller cord away from the freeze prevention heaters in the unit.
  • Page 16 Connecting Quick Connect Cord-2 For Quick Connect Multi System Installation use part Quick Connect Cord-2 only. (sold separately). Caution The wire coloring on the Quick Connect Cord-2 will not be the same as the wire coloring of the connection plug inside the unit. 1.Red 1.Red 1.White...
  • Page 17 Requests to Installers Remote Controller ● In order to use the water heater safely, read this installation guide carefully, and follow the Installation Guide installation instructions. ● Failures and damage caused by erroneous work or work not as instructed in this manual are not covered by the warranty.
  • Page 18 Explanation to the Customer Post-installation Checks (1) Check if the remote controller is installed securely. Explain the “Important Safety (2) Verify remote controller operation (see OPERATING Information”, “Operation Procedures” INSTRUCTIONS). and “Follow-up Service” according * Press the Power On/Off button approximately 5 seconds to the Owner's Guide supplied after connecting power to the system.
  • Page 19 Installation 2. Remove the decorative frame from 1. Attach the mounting bracket to the wall. the remote controller. The parts to be used vary depending on (The remote controller is inserted in the attachment method. the decorative frame.) * Never use electric drivers, impact drivers and so forth. Tightening with excessive force may result in deformation of the mounting bracket and/or failures.
  • Page 20 4. Secure the remote controller cords by winding Note: To remove the decorative frame after them around the notches as shown in Fig. 1. installation of the remote controller and the frame, pull the entire decorative frame Fig. 1 Rear side of the remote controller forward while pressing the sections Section A Remote controller cords...
  • Page 21 Condensate Piping only WHiCX56 series CAUTION Due to the acidic nature of the condensate, be sure to properly drain and if necessary, treat the condensate prior to disposal. Damage caused by improperly handled condensate is not covered by the warranty. •...
  • Page 22 Condensate piping to floor drain Condensate piping with pump Condensing Condensing Tankless Gas Tankless Gas Water Heater Water Heater DO NOT ADD DO NOT ADD ANY VALVES ANY VALVES 1/2" PVC pipe 1/2" PVC pipe Slope pipe downwards 3/8" ID tubing* 1/2"...
  • Page 23: Trial Operation

    Trial Operation The installer should test operate the unit, explain to the customer how to use the unit, and give the owner this manual before leaving the installation. • Preparation ... (1) Open a hot water fi xture to confi rm that water is available, and then close the fi...
  • Page 24: Lighting Instructions

    WARNING A fi re or explosion may result if these instructions are not followed, which may cause lose of life, personal injury or property damage. Lighting Instructions This water heater does not have a pilot. It is equipped with an ignition device that automatically lights the burner.
  • Page 25 Dimensions WHiCX56 Series (VIEW FROM TOP) <Unit : mm> GAS INLET(R3/4) COLD WATER INLET(R3/4) HOT WATER OUTLET(R3/4) DRAIN OUTLET(R1/2) WIRING THROUGHWAYS 4-φ13 6-6×10 OBLONG HOLE FLUE COLLAR AIR INLET AIR INLET WATER DRAIN VALVE WIRING THROUGHWAYS (WATER FILTER) DRAIN OUTLET WATER DRAIN VALVE GAS INLET 6-6×10 OBLONG HOLE...
  • Page 26 WHiX49 series (VIEW FROM TOP) <Unit : mm> HOT WATER OUTLET (R3/4) COLD WATER INLET (R3/4) GAS INLET (R3/4) WIRING THROUGHWAY 2-6.5x13 OBLONG HOLE 10.8 FLUE COLLAR 4-Φ13 AIR INLET 4-Φ13 AIR INLET WIRING THROUGHWAYS 3-6.5x16.5 OBLONG HOLE WATER DRAIN VALVE...
  • Page 27: Wiring Diagram

    Wiring Diagram...
  • Page 28 Wiring Diagram...
  • Page 29: Maintenance

    • If the burner needs to be cleaned, it must be performed by a qualifi ed service technician. • Do not obstruct the fl ow of combustion and ventilation air. • See Owner's Guide for further maintenance or consult Andrews Water Heaters for recommended service checks.
  • Page 30: Specifications

    • Specifi cations may be changed without prior notice. Specifi cations • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Specifi cations Item Specifi cation Model Name WHiX49 LWHiX49 Type Installation External, Wall Hanging Air Supply/Exhaust Power Vented Ignition Direct Ignition Minimum Pressure for Maximum fl...
  • Page 31 Specifi cations Item Specifi cation Model Name WHiCX56 LWHiCX56 Type Installation External, Wall Hanging Air Supply/Exhaust Power Vented Ignition Direct Ignition Minimum Pressure for Maximum fl ow 2.0 bar Minimum Flow Rate 2.0 L/min. Dimensions 61.5 cm(Height) x 46.4 cm(Width) x 24 cm(Depth) Weight 32 kg Water Holding Capacity...
  • Page 32: Erp-information

    ErP-Information Technical parameters Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Product name WHi49 WHiX49 LWHi49 LWHiX49 WHiC56 WHiCX56 LWHiC56 LWHiCX56 Daily electricity 0.233 0.205 0.202 0.216 0.227 0.194 0.227 0.215 elec consumption Declared load profile Sound power level, indoors fuel 30.433 30.321 29.779 30.114 26.334 26.211 26.494 25.895...
  • Page 33 Install one system controller (SC-401-6M) Multi System for every six units. Only WHiCX56 series. A. Installation without a recirculation system (Standard System) Unit 2 Unit 1 Unit 6 System Controller Remote Controller Gas Pipe Hot Water Supply Pipe (1 1/4"-2") Cold Water Supply Pipe (1 1/4"-2") •...
  • Page 34 B-1. Example of Recirculation with a Multi-System (Recirculation system) This system will make hot water more quickly available to remote fi xtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
  • Page 35 B-2. Example of Installation with a Storage Tank and Recirculation System (Tank recirculation system) The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
  • Page 36 Multi-System Wiring (Use SC-401-6M) Only WHiCX56 series Unit 1 System Controller No.6 * Connect these to the No.5 remote control terminal No.4 block in each unit No.3 No.2 90 90 B5 B5 Power Remote control terminal block Remote Controller Cord Remote Controller Unit 2...
  • Page 37 A. Installation without a recirculation system (Using external system controller) (Standard System)
  • Page 38 B-1. Example of Recirculation with a Multi-System (Using external system controller) (Recirculation system) This system will make hot water more quickly available to remote fi xtures. The pump will circulate water through the loop until the entire loop is warm, and then the system controller will turn off the pump until the loop cools down.
  • Page 39 B-2. Example of Installation with a Storage Tank and Recirculation System (Using external system controller) (Tank recirculation system) The pump will push water through the Multi-System to heat up the tank. When the temperature of the thermostat is high, the system controller will turn off the pump until the temperature cools down.
  • Page 40 Multi-System Wiring (Use SC-401-6M) Only WHiX49 series CAUTION • The below diagram shows the connection of 3 units to the system controller. When connecting 4 or more units, follow the same procedure. • Connect the water heaters to the system controller follwing the detailed wiring instructions included with the system controller.
  • Page 44 Conditions of Sale which are available on request. Aug 2017 Customer support Monday - Friday 8am - 5pm 0345 070 1057 ICOM 0345 070 1059 Energy Association Email service@baxicommercialdivision.co.uk Website www.andrewswaterheaters.co.uk Twitter @AndrewsWH 500403 Andrews. Built to perform.

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Lwhix49Whicx56Lwhicx56Whi49Lwhi49Whic56 ... Show all

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