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Andrews WHiC56 Owner's Manual

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OWNER'S GUIDE
GAS WATER HEATER
WHi49, LWHi49, WHiC56, LWHiC56 (Internal)
WHiX49, LWHiX49, WHiXC56, LWHiXC56 (External)
SBB80Z5
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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Table of Contents

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  • Page 1 OWNER’S GUIDE GAS WATER HEATER WHi49, LWHi49, WHiC56, LWHiC56 (Internal) WHiX49, LWHiX49, WHiXC56, LWHiXC56 (External) SBB80Z5 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: Owner's Guide

    - Installation and service must be performed by a qualifi ed installer, service agency or the gas supplier. Thank you for purchasing this ANDREWS WATER HEATERS Condensing Gas Water Heater. Before using, please:Read this manual completely for correct installation and operation instructions.
  • Page 4: Table Of Contents

    Contents Contents ......................2 Owner’s Guide Important Safety Information ............... 3 Overview of Condensing Gas Water Heater ..........7 RC-9018C <Optional> Operation Overview ..........8 General Parts Main Unit ....................10 Names and Functions of Controllers ............13 Initial Operation .................... 15 System Check ....................
  • Page 5: Important Safety Information

    Important Safety Information-1 To prevent damage to property and injury to the user, the icons shown below will be used to warn of varying levels of danger. Every indication is critical to the safe operation of the water heater and must be understood and observed.
  • Page 6 2. Turn off the power to the water heater. Contact Andrews Water Heaters 3. Turn off gas and water at the main. before using with a solar pre-heater. 4. Consult the nearest Andrews Water Heaters agent. Do not place combustibles such as laundry, newspapers, oils etc. near the Check the temperature of the heater or the exhaust vent terminal.
  • Page 7 Caution Be sure to electrically ground the Do not touch the exhaust vent pipe unit. during or immediately after operation of the water heater. [Internal installation] [External installation] Do not touch the power cord with wet hands. Keep power cord free of dust. If this unit will be installed in a salon or other location where hair spray or aerosols will be used,...
  • Page 8 Power On/Off Button to turn off, then turn on If it is snowing, check the exhaust gas vent again to reset. Then the water heater should resume operation. and exhaust vent terminal for blockage. Contact ANDREWS WATER HEATERS, if the fault persists.
  • Page 9: Overview Of Condensing Gas Water Heater

    Overview of Condensing Gas Water Heater This water heater is a high effi ciency, fully condensing appliance. Unlike a traditional water heater, a condensing type captures heat from the exhaust gas and uses it to preheat the incoming cold water as it passes through the secondary heat exchanger as illustrated below. Condensing Conventional Exhaust...
  • Page 10: Rc-9018c Operation Overview

    RC-9018C <Optional> Operation Overview Basic operation It is possible to It is possible to lock [ For recirculation systems ( automatically turn remote controller It is possible to circulate hot water only the water heater operation. during preferred times of day. “ON”...
  • Page 11 User Preferences The remote controller can be customized based on the preference of the user in the following ways: The set temperature can be The clock display can be The remote controller restricted to a maximum level shown even though the power display can be turned to prevent high temperature ON/OFF button is set to "OFF".
  • Page 12: General Parts

    General Parts-1 Main Unit [WHiX49, LWHiX49, WHiXC56, LWHiXC56] Outdoor Wall Mounted, Power fl ue Model Flue Collar Front Cover Burner on indicator If there is a problem with the unit, a lamp will fl ash on the front of the unit. ( p.44) Air Inlet Inlet water fi...
  • Page 13 Main Unit [WHiC56, LWHiC56] Indoor Wall Mounted, Power Vent/Sealed Model Intake Pipe Exhoust Pipe Front Cover Burner on indicator If there is a problem with the unit, a lamp will fl ash on the front of the unit. ( p.44)
  • Page 14 General Parts-2 Main Unit [WHi49, LWHi49] Indoor Wall Mounted, Power Vent/Sealed Model Coaxial Pipe Front Cover Burner on indicator If there is a problem with the unit, a lamp will fl ash on the front of the unit. ( p.44) Water Drain Valve (with Water Filter) (Inside Water Inlet)
  • Page 15: Names And Functions Of Controllers

    Names and Functions of Controllers-1 Main Controller (RC-9018C) <Optional> The remote controller will emit a tone when a button is pressed. Alarm Off Button Prog Button / Indicator (Red) / Indicator (Red) Activates the automatic water heater power Stops the tone that is emitted “ON”...
  • Page 16 Names and Functions of Controllers-2 Screen Display * The screen display shown below is for illustration purposes only. The actual display will vary depending on how the water heater is being used. * After a button is pressed, the display will gradually become darker to prevent unnecessary power consumption by the remote controller.
  • Page 17: Initial Operation

    Initial Operation Before the fi rst use of your water heater, make the following preparations. 1 through 4 Follow steps Open the water supply valve. CLOSED OPEN Open a hot water fi xture to confi rm that water is available, and then close the fi...
  • Page 18: System Check

    System Check If you press the button, you can check the status of the system (Display Screen Example [System [Rcrc] ]) Cover shown in the open position. System Displayed on System Description the Remote Controller Water heater only operation. * Water heater and recirculation operation. * During recirculation operation, hot water is always circulated in the piping to provide instant hot water when a fixture is opened.
  • Page 19 Depending on the configuration of your system, not all functions may be used. General System Diagram Applicable Remote * The number of water heaters, fixtures, and Controller Functions pumps will vary depending on the configuration of the hot water system. Water heater When you start using the system, cold Functions other than...
  • Page 20: [for All Systems]

    Using the Water Heater [For All Systems] is displayed, hot water will be discharged at the temperature of the storage tank. Operation Screen Display Description * The indicator is lit. For systems with recirculation operation, button is "ON". is displayed here. * The previously set hot water supply temperature is shown.
  • Page 21: Setting Hot Water Temperature

    Setting Hot Water Temperature [For All Systems] * If is displayed, hot water will be discharged at the temperature of the storage tank. Cover shown in the open position. Operation Screen Display Description * The indicator is lit. button is "ON". * The previously set hot water supply temperature is shown.
  • Page 22: Automatic Water Heater "on" Or "off" Operation

    Automatic Water Heater “ON” or “OFF” Operation * If you set the time to turn "ON" or "OFF" the button, the button is automatically turned "ON" or "OFF" at the set time every day by just turning the button "ON". * It is also possible to set only “ON”...
  • Page 23 [For All Systems] Hint for operation Follwing this procedure allows for automated control of water heater operation without user interaction. * The setting time shown on the display of the remote controller is for example purposes only. Ex. 1: Both "ON" and "OFF" Ex.
  • Page 24: Locking The Remote Controller

    Locking the Remote Controller [For All Systems] By locking the remote controller, the settings cannot be accidentally changed if a button is pressed by mistake. Cover shown in the open position. Operation Screen Display Description * The operation can be locked Press and hold button regardless if the...
  • Page 25: Clock Adjustment

    Clock Adjustment [For All Systems] Cover shown in the open position. Operation Screen Display Description * This adjustment can be made Press the button regardless of whether the inside the cover. button is ON/OFF. Press the button. * The time changes in 1-minute increments with each press 1) Use the buttons to...
  • Page 26: Customizable Settings

    Customizable Settings <Misc settings> Adjusting the Maximum Output Display Screen Power Saving Mode Temperature. [powersave dsply] The maximum output temperature To conserve power consumption by can be limited to prevent discharging the display, it can be turned off hot water at too high of a temperature. completely or set to only display the clock when the power ON/OFF button is turned “OFF”.
  • Page 27 [For All Systems] Adjusting the brightness of the <System dependent option> Muting the remote controller. display screen when the remote Error Tone Settings. The remote controller can be muted controller is turned on. so that it does not emit a tone when The remote controller can be muted a button is pressed.
  • Page 28 Customizable Settings <Misc settings> -2 [For All Systems] Draining the Water Heater. Restoring Default Settings. Refer to page 33 for details.) Select settings can be restored to the factory default conditions. See items marked with a in the “Default Settings” section ( p.53).
  • Page 29 Notes...
  • Page 30: [for System[rcrc]]

    Enabling Automatic Recirculation Operation [For System[Rcrc]] * To check system status. ( p.16) * When “synchro ON/OFF” is set to “Yes”, recirculation can be activated automatically. * To change “synchro ON/OFF” from “Yes” to “No”, follow the same procedure as described below.
  • Page 31: Manually Starting Recirculation Operation

    Manually Starting Recirculation Operation [For System[Rcrc]] Recirculation operation can be manually stopped or started using this procedure. Cover shown in the open position. Operation Screen Display Description * You can set this function if the 1) Press the button button is "ON". inside the cover, Select "Recirc menu"...
  • Page 32: Setting The Recirculation System Operation Timer

    Setting the Recirculation System Operation Timer * With the recirculation operation timer set, hot water will be automatically circulated in the hot water pipes. Even with this function activated, it may take several minutes for hot water to be completely circulated through the plumbing system.
  • Page 33 [For System[Rcrc]] Operation Screen Display Description * Every time when you press the 1) Select "AM8:00" using button, the time changes by one hour. [To keep the current “End” time] buttons. Here Press the button without 2) Press the button to changing the "End"...
  • Page 34: [single Water Heater Only]

    Flow Meter Alarm [Single Water Heater Only] If the flow meter alarm is being used to indicate when water delivery volume is reached to the preset volume. • If any hot water is being used besides what is going into the tub, the alarm will sound before the tub is full. •...
  • Page 35 Operation Screen Display Description Turn on hot water. Lit during combustion The highest If the hot water temperature has been temperature set so that it does not require mixing, set the mixing valve to its highest setting. The hot water in the bathtub may become lukewarm if it is mixed with cold water at the fixture.
  • Page 36: Preventing Damage From Freezing

    Protect this plumbing with insulation. If you are still worried that your heater will freeze, contact the nearest ANDREWS WATER HEATERS agent. outside temperature including wind chill For severely cold temperatures of less than -10°C...
  • Page 37: When Unused For An Extended Period

    If the water heater will not be used for a long period of time, drain the water. If you do not use the product for long time, contact your CAUTION nearest agency of ANDREWS WATER HEATERS. Because the operation in equipment is necessary for complete drainage. Whenever the unit is checked, maintained, or drained, the power CAUTION switch must be turned “Off”, and it must be allowed to cool down fi...
  • Page 38 When Unused for an Extended Period-2 If the water heater will not be used for a long period of time, drain the water. Position of the cleanout plugs 3 positions * The shapes of the cleanout plugs are as pictured on the right. * The cleanout plugs may not be clearly visible as they are partially hidden behind the pipe insulation.
  • Page 39: Regular Maintenance

    Regular Maintenance-1 Inspection (Once a month) Caution To avoid burns, wait until the equipment cools down before draining the water. The appliance will remain hot after it is turned off. High Temperature For dust and soot in the Check exhaust vent or fl ue terminal. For abnormal sounds Check during operation.
  • Page 40: Periodic Maintenance

    Regular Maintenance-2 Performance CAUTION To prevent burns or scalding, turn off the power button and wait until the equipment cools before Be sure to do. performing maintenance. For dust and soot in For laundry, newspaper, Check Check the flue exhaust. timber, oil, spray cans and other combustible materials.
  • Page 41 2. Open all hot water fi xtures. 3. Remove the inlet and outlet drain plugs (about 1.7 L: (L)WHiXC56 and (L)WHiC56, 0.8L: (L)WHiX49 and (L)WHi49, will drain out) 4. Take the water drain valve (with water fi lter) out of Drain Valve the inlet.
  • Page 42: Troubleshooting

    Troubleshooting-1 Initial Operation • Check for reversed plumbing or crossed pipes. Unit does not attempt to ignite • Check the inlet water filter. ( p.39) when water is running. • Reset unit and try again. There may be air in the gas line. Unit attempts to ignite but fails •...
  • Page 43: Amount Of Hot Water

    • The unit will not heat the water if the flow rate is less than The water is cold when only a 2.5 litre per minute. single fixture is open. Open the fixture more or open other fixtures so that a greater flow passes through the unit, and the unit should begin heating again.
  • Page 44: Remote Controller

    Troubleshooting-2 (Continued) Sounds The fan can be heard after • These noises indicate the proper operation of devices operation is stopped. which are designed to let the unit reignite more quickly, A motor can be heard when turning and ensure the water temperature is stable. the unit on or off, when opening or closing a fixture, or after the unit has been running for a while.
  • Page 45 Other The heater stops burning during • Are the gas and water supply valves fully open? operation. • Is the water supply cut off? • Is the hot water fixture sufficiently open? • Is the gas being cut off by the gas meter? (Can other gas devices such as stoves be used?) •...
  • Page 46 “On”, and when the hot water tap is turned on, it is back to normal if nothing is displayed. Clogging of water trap Please contact the installer or ANDREWS WATER HEATERS. Abnormal combustion, low gas Have a professional check the gas supply pressure.
  • Page 47: Follow-up Service

    Requesting Service First follow the instructions in the troubleshooting section ( p.40 to p.44). If the error is not corrected, contact ANDREWS WATER HEATERS. We will need to know: The Model ....(check the rating plate) Date of purchase ..(see the warranty) Details of problem ..(fl...
  • Page 48 For repairs after the warranty period, please contact your local Maintenance company. Minimum period of time for stocking repair parts ANDREWS WATER HEATERS will stock repair parts for this unit for a minimum of ten years after production has ceased.
  • Page 49: Specifi Cations

    • Specifi cations may be changed without prior notice. • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Specifi cations Item Specifi cation Model Name WHiC56 LWHiC56 Type Installation Internal, Wall Mounted Air Supply/Exhaust Power Vented...
  • Page 50 Specifi cations-2 • Specifi cations may be changed without prior notice. • The capacity may differ slightly, depending on the water pressure, water supply, piping conditions, and water temperature. Specifi cations Item Specifi cation Model Name WHiCX56 LWHiCX56 Type Installation External, Wall Hanging Air Supply/Exhaust Power Vented...
  • Page 51 Specifi cations Item Specifi cation Model Name WHi49 LWHi49 Type Installation Internal, Wall Mounted Air Supply/Exhaust Power Vented Direct Ignition Ignition Minimum Pressure for Maximum fl ow 2.0 bar Minimum Flow Rate 2.0 L/min. Dimensions 60 cm(Height) x 35 cm(Width) x 28 cm(Depth) Weight 28 kg Water Holding Capacity...
  • Page 52 • Specifi cations may be changed without prior notice. Specifi cations-3 • 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...
  • Page 53 Product Sheet Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Fastflo Product name WHi49 WHi49 LWHi49 LWHiX49 WHiC56 WHiC56 LWHiC56 LWHiCX56 Declared load profile Water heating energy efficiency class Water heating energy efficiency 79.1 79.6 81.0 79.9 91.2 91.9 90.6 92.8...
  • Page 54 Specifi cations-4 (Continued) 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 30.433 30.321 29.779 30.114 26.334 26.211...
  • Page 55: Default Settings

    Default Settings Items Default setting Clock display (unset) Hot water temperature 40˚C Hot water volume alarm off Customizable Settings ( P24 - 26) Default setting Maximum Output Temperature 85˚C "Powersave dsply" and clock display No-1 Brightness of the display screen when Normal the remote controller is turned on.
  • Page 56: Maintenance

    Maintenance Flushing the heat exchanger. button is "ON". K EY Set the temperature more than 60 degrees. Pressure Regulator 3/4" Ball Valve Circulating Pump 3/4" Union Push button again, and water heater turns off. Check Valve Boiler Drain Valve Pressure Relief Valve Solenoid Valve Disconnect electrical power to the water heater.
  • Page 60 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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