Rinnai REU-VR3237WG Operation & Installation Manual

Rinnai REU-VR3237WG Operation & Installation Manual

Continuous flow water heaters
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Operation / Installation
How to use and install Rinnai continuous flow water heaters
This appliance shall be installed in accordance with:
• Manufacturer's Installation Instructions
• Current AS/NZS 3000, AS/NZS 3500 & AS 5601
• Local Regulations and Municipal Building Codes
This appliance must be installed, serviced and removed by an Authorised Person.
Manual
To Suit Water Heater Models:
INFINITY 32
INFINITY 26
INFINITY 26 Plus
INFINITY 26i
INFINITY 20
INFINITY 16
INFINITY ENVIRO 32
INFINITY ENVIRO 26
V1500
V1200
HD250e
HD200e
HD200i
Rinnai continuous flow water heater models covered by this manual.
REU-VR3237WG
REU-VR2626WG
REU-VRM2630WD
REU-VR2632FFUG
REU-VR2024WG
REU-VR1620WG
REU-KM3237WD
REU-KM2635WD
REU-VR2426WB
REU-VR1620WB
REU-VRM3237WC
REU-VRM2632WC
REU-VRM2632FFUC
Please see the inside front cover of this manual for additional

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Summary of Contents for Rinnai REU-VR3237WG

  • Page 1 REU-VRM2632FFUC Please see the inside front cover of this manual for additional Rinnai continuous flow water heater models covered by this manual. How to use and install Rinnai continuous flow water heaters This appliance shall be installed in accordance with: •...
  • Page 2 Some additional Rinnai continuous flow water heater models not listed on the front cover of this manual are also covered by this manual. NOTE The following table lists these additional models and their equivalent. When using this manual use the specifications of the equivalent model listed below.
  • Page 3: Table Of Contents

    SETTING THE SOUND OPTIONS ......................13 SETTING THE CLOCK ..........................14 ADJUSTING TEMPERATURE........................14 SMARTSTART® PRE-HEAT OPERATION ..............15 ABOUT THE SMARTSTART® PREHEAT SYSTEM ................. 15 TROUBLESHOOTING....................16 INSTALLATION MANUAL ..................19 ACCESSORIES ......................35 PRODUCT RECORDS .....................35 CONTACT INFORMATION ..................36 Rinnai Australia Operation Manual...
  • Page 4 Rinnai Australia Operation Manual...
  • Page 5: Regulatory Information

    REGULATORY INFORMATION Your Rinnai Continuous Flow water heater has been certified by the Australian Gas Association. The A.G.A. Certification Number is shown on the data plate. This Appliance must be installed correctly by an authorised person. The installation of gas, water, and electricity must conform to local regulations.
  • Page 6: Features And Benefits

    Congratulations on purchasing the latest technology temperature controlled Rinnai continuous flow water heating system. • The Rinnai Continuous Flow water heater products NEVER RUN OUT of hot water. Whilst electricity, water and gas supplies are connected, hot water is available whenever hot water taps are open.
  • Page 7: Important Information

    IMPORTANT INFORMATION The range of Rinnai continuous flow water heaters referred to in this manual are incompatible with solar water heating systems. A dedicated range of solar NOTE compatible continuous flow water heaters is available from Rinnai. OFF! Always check water temperature carefully before At low water flows, the hot water unit may extinguish use.
  • Page 8 Controller will result default water heater causing the water to go cold. temperature of 50°C being selected. This is a Someone maybe in the middle of having a safety feature. shower or filling a bath. Rinnai Australia Operation Manual...
  • Page 9: Operation Without Controllers

    COLD OFF! OFF! The Rinnai Continuous Flow water heater range other than the Rinnai Heavy Duty (HD) series are factory pre-set to a temperature limit of 50°C or 55°C. The HD series NOTE are factory pre-set to a temperature limit of 65°C. Other limits, lower or higher, are available on request for the entire Continuous Flow water heaters range.
  • Page 10: General Water Control Information

    Kitchen 50°C ~ 55°C* Shower 37°C ~ 43°C, Bath fill 39°C ~ 45°C * Temperature may not be available on all installations. Rinnai water heaters can be programmed to deliver higher temperatures via the kitchen water controller. Contact Rinnai for more details.
  • Page 11: Universal Water Controllers

    43°C. In addition, transfer of 'priority' between NOTE controllers is not possible. These are safety features. The 'beep' sound can be muted by pressing the 'Hot water temp' Up Down buttons simultaneously for more than 3 seconds. Rinnai Operation Manual...
  • Page 12: How To Use Two Or More Universal Water Controllers

    The ‘in use’ indicator will also go out. The burner will ignite again once the outgoing hot water temperature falls to that shown on the digital monitor (or the pre-set limit of the appliance). Rinnai Operation Manual...
  • Page 13: Deluxe Bathroom Water Controllers

    If more than one controller is fitted press the ‘Transfer’ button to transfer priority to the desired controller. Rinnai Australia Operation Manual...
  • Page 14: Setting The Sound Options

    These are safety features. CHECK WATER TEMPERATURE BEFORE USE. A parent or carer should always check the temperature before a child is placed CAUTION in contact with hot water, see page 5. Rinnai Australia Operation Manual...
  • Page 15: Operating The Shower Saver / Bath Fill Function

    The 'Shower Saver / Bath Fill' button will illuminate and a voice prompt and tone will sound. During 'Shower Saver / Bath Fill' operations the 'Bath' indicator will also be displayed in the Deluxe Kitchen water controller digital monitor (when fitted). Rinnai Australia Operation Manual...
  • Page 16: Using Multiple Water Controllers

    Universal and Deluxe water controllers can be combined and will function as described in other sections of the Water Heater Operation / Installation Manual. Refer to page 6 to confirm the maximum number and combination of controllers that can be fitted to your water heater model. Rinnai Australia Operation Manual...
  • Page 17: Deluxe Kitchen Water Controllers

    To return to normal mode press the 'Mode' button once, if no buttons are pressed for a period of approximately 10 seconds the controller will return to normal mode. Voice prompts only available when Deluxe Bathroom water controller(s) are installed. NOTE Rinnai Australia Operation Manual...
  • Page 18: Setting The Clock

    These are safety features. CHECK WATER TEMPERATURE BEFORE USE. A parent or carer should always check the temperature before a child is placed CAUTION in contact with hot water, see page 5. Rinnai Australia Operation Manual...
  • Page 19: SmartstartĀ® Pre-Heat Operation

    BUTTON Preheat Function The “Preheat” function works in conjunction with various Rinnai water heater models and the separately installed and optional Rinnai “Smartstart®” module. When the “Preheat” function is activated and used in accordance with these instructions, water in the pipework connected between the water heater and the hot water outlets in your house is warmed before any outlets are opened.
  • Page 20: Troubleshooting

    In all cases, you may be able to clear the Error Code simply by turning the hot water tap OFF, then ON again. If this does not clear the Error Code, try pushing the On/Off button OFF, then ON again. If the Error Code still remains, contact Rinnai for advice.
  • Page 21 Rinnai Australia Operation Manual...
  • Page 22 Rinnai Australia Operation Manual...
  • Page 23: Installation Manual

    COMMON STACK DISCHARGE ......................28 TUNDISH DRAIN LINES ........................... 28 AREAS SUBJECT TO FREEZING ......................28 WATER CONTROLLER INSTALLATION..............29 RINNAI WATER CONTROLLERS ......................29 POSITIONING OF WATER CONTROLLERS ................... 29 WATER CONTROLLER CABLES ......................29 FITTING THE ‘UNIVERSAL’ WATER CONTROL (MC-91Q) ..............29 FITTING THE ‘DELUXE KITCHEN’...
  • Page 24 Rinnai Australia Installation Manual...
  • Page 25: General Installation Instructions

    This appliance must not be used as a domestic spa or swimming pool heater. Rinnai internal models described in this manual must use the coaxial Rinnai FF flue components. The use of non Rinnai FF flue components may result in a dangerous situation and violates regulations.
  • Page 26: Pipe Sizing

    ‘Maximum’ rated water supply pressures in Table 1 are exceeded. To achieve the rated flow, the ‘Minimum’ water supply pressures in Table 1 must be supplied. The water heaters will operate at lower pressures but will not achieve the rated flow. Contact Rinnai for ‘gravity fed’ or ‘low pressure’ installations.
  • Page 27: Service Connection Points

    Temperature Limiting Device (TLD), such as a Tempering Valve may be required even if the appliance is set to 50º C or less. For these types of applications contact Rinnai. Ensure that suitable fixing screws or bolts are used to secure the units to the wall, in accordance with AS5601 section 5.
  • Page 28: Horizontal Flue Terminal Clearances (Extract From As5601 - 2004)

    This will avoid the appliance failing to operate under windy conditions. MULTIPLE INSTALLATIONS OF EXTERNAL MODELS Dimension ‘h’ above does not apply when multiple Rinnai external water heaters of the same model are installed on the same vertical face with flue terminals at the same height.
  • Page 29: Appliance And Water Controller Dimensions

    GENERAL INSTALLATION INSTRUCTIONS APPLIANCE AND WATER CONTROLLER DIMENSIONS FITTING DIAMETER Dim' Description 355.6 Height - Including Brackets 644 571 Hot Water outlet (from wall) 91 ~ 131 Hot Water outlet (from centre) G Cold Water inlet (from wall) 70 ~ 110 Cold Water inlet (from centre) Gas Connection (from wall) 99 ~139...
  • Page 30: Coaxial Flueing For Internal Models

    GENERAL INSTALLATION INSTRUCTIONS COAXIAL FLUEING FOR INTERNAL MODELS Rinnai internal models described in this manual must use the coaxial Rinnai FF flue components. The use of non Rinnai FF flue components may result in a dangerous situation and violates regulations.
  • Page 31: Condensate Drain (Reu-Km' Models Only)

    Because the condensate is a by-product of gas combustion it is mildly acidic. For this reason copper tube and fittings MUST NOT be used as it will corrode. Instead, Rinnai recommend plastic pipes and fittings such as Unplasticised Polyvinyl Chloride (UPVC) or Polyethylene (PE) which is commonly used for irrigation piping.
  • Page 32: Interconnection Of Condensate Drain Lines

    300 mm in length. It shall discharge into a tundish through an air gap of not less than 75 mm and not more than 150 mm measured from the outlet of the drain pipe to the rim of the tundish. Rinnai Australia Installation Manual...
  • Page 33: Water Controller Installation

    Other manufacturers water controllers are NOT compatible with Rinnai water heaters. Water controllers MUST NOT be used with any Solar Boost water heater. NOTE Rinnai water controllers brought in from other countries are not compatible with Rinnai appliances sold in Australia. POSITIONING OF WATER CONTROLLERS Water controllers must be installed in shaded and clean locations.
  • Page 34 If the water controller in the kitchen is swapped with another controller (for example, the controller fitted in a bathroom), repeat STEP 1 for the controller moved from the kitchen to the bathroom. Then perform STEP 1 for the controller moved from bathroom to the kitchen. Rinnai Australia Installation Manual...
  • Page 35: Fitting The 'Deluxe Kitchen' Water Controller (Mc-100V)

    Fix the controller to the wall using the appropriate fixings as shown in Fig. 5, avoid over- tightening of fixings as this may cause damage. Once secured replace the face plate. Backing Seal Remove film to expose self-adhesive Fig. 3 Fig. 4 Fig. 5 Rinnai Australia Installation Manual...
  • Page 36: Connecting Communication Cables To The Water Heater

    ‘Ezi connect’ cable connector at the water heater. Extension cables are available from Rinnai. Alternatively, two core sheathed (double insulated) flex with minimum cross sectional area of 0.5mm² may be used. Cable lengths must not exceed 20 metres.
  • Page 37: Commissioning

    A commissioning check list is provided to enable the installer to step through the correct commissioning procedure when installing a Rinnai Continuous Flow water heater. The check list can also assist the installer to identify potential installation errors that may prevent the appliance from operating correctly.
  • Page 38 COMMISSIONING Rinnai Australia Installation Manual...
  • Page 39: Accessories

    Recess Box: When installing an Rinnai Continuous Flow hot water heater in a new home or renovation, it is a great idea to allow for a recess box to be included at the construction stage. These boxes allow you to literally recess the appliance into the cavity of the wall saving precious space.
  • Page 40: Contact Information

    Hot Water Service Line Tel: 1800 000 340 U287-2771X01(00) Rinnai has a Service and Spare Parts network with personnel who are fully trained and equipped to give the best service on your Rinnai appliance. If your appliance Printed in Japan 2009.10 requires service, please call our Hot Water Service Line.

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