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Installation and User
REU-KM2035FFUD-E
Infinity K20i
REU-KM3237FFUD-E
Infinity K32i
REU-KM3237WD-E
Infinity K32e
REU-KM3237FFUDHD-E
Infinity HDC 1500i
REU-KM3237WDHD-E
Infinity HDC 1500e
Continuous Flow Water Heater
Read these instructions carefully before attempting installation or use of
this appliance. All work must be carried out by competent persons.
Manual
REU-KM2035FFUDHD-E
REU-KM2635FFUD-E
REU-KM2635FFUDHD-E
Infinity HDC 1200i
REU-KM2635WDHD-E
Infinity HDC 1200e
Important.
Infinity HDC1000i
Infinity K26i
REU-KM2635WD-E
Infinity K26e
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Table of Contents
Related Manuals for Rinnai REU-KM2035FFUD-E
Summary of Contents for Rinnai REU-KM2035FFUD-E
- Page 1 Installation and User Manual REU-KM2035FFUD-E REU-KM2035FFUDHD-E Infinity K20i Infinity HDC1000i REU-KM3237FFUD-E REU-KM2635FFUD-E Infinity K32i Infinity K26i REU-KM3237WD-E REU-KM2635WD-E Infinity K32e Infinity K26e REU-KM3237FFUDHD-E REU-KM2635FFUDHD-E Infinity HDC 1500i Infinity HDC 1200i REU-KM3237WDHD-E REU-KM2635WDHD-E Infinity HDC 1500e Infinity HDC 1200e Continuous Flow Water Heater Important.
- Page 2 Quality System Standard ISO 9001 - 2008 The Design, Development, and Manufacture of Gas Water Heating Appliances done under Rinnai’s Quality Management System is certified under the Quality Management System Standard ISO 9001. Registration Number JQ0003D Registered since: February 1994...
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Page 3: Table Of Contents
CONTENTS USER INSTRUCTIONS FEATURES AND BENEFITS IMPORTANT INFORMATION OPERATION WITHOUT REMOTES STATUS MONITOR TEMPERATURE CONTROLS ERROR MESSAGES RESTARTING THE RINNAI WATER HEATER CARING FOR THE INFINITY INSTALLATION INSTRUCTIONS UK INSTALLATION INSTRUCTIONS UNPACKING RINNAI WATER HEATER OPERATION MAIN COMPONENTS INSTALLATION INSTRUCTIONS... -
Page 4: User Instructions
The user must not use the appliance in any way that it was not meant to be used. The user may only use the heater as detailed in the User portion of this manual. Interference with a sealed component is not permitted. In case of defect parts only use genuine Rinnai components for replacement. -
Page 5: Features And Benefits
Congratulations on purchasing the Technologically Advanced, Temperature Controlled, Rinnai Hot Water System. Rinnai water heaters will NEVER RUN OUT of hot water. As long as electricity, water, and gas supplies are connected, hot water is available when hot water taps are open. -
Page 6: Important Information
Do make sure that the tap is turned off tightly. This approach can be extremely valuable because it requires a Do consider setting your Rinnai one time action for a long term Water Heater at a maximum reduction in risks of scalds. - Page 7 IMPORTANT INFORMATION Always check water temperature before Hot water may go cold without warning at use. very low water flows (less than 3 l/min). OFF! Refer to warning about hot water on page 6 for important safety information. The delivered water temperature is If freezing temperatures are expected, turn controlled automatically.
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Page 8: Operation Without Remotes
OPERATION WITHOUT REMOTES Rinnai Infinity products have no pilot light and operate automatically as soon as water flow is sensed. The burner ignites with electronic ignition and the flame extinguishes as soon as water flowing through the appliance stops. Turn On by opening the hot water tap... -
Page 9: Temperature Controls
Adjustments to the operation of your hot water unit can be made with any of the Temperature Controllers. Each Temperature Controller can be individually programmed. Up to four Universal and/or Deluxe Temperature Controllers can be fitted with Rinnai water heaters. Universal Controllers allow temperature selection only and one comes as standard with some of the water heaters, Deluxe Temperature Controllers are always an optional extra. - Page 10 TEMPERATURE CONTROLS Remote temperature controllers provide control over the water temperature. Rinnai water heaters can be operated with 1, 2, 3, 4 or no temperature controllers. Each time a button is pressed, a BEEP will sound. The BEEP sound can be muted by depressing the Temperature Controller Up and Down buttons simultaneously for more than 3 seconds.
- Page 11 The Digital Monitor will go out. If hot water taps are opened when the Rinnai Infinity is off, cold water will flow from the taps. If the system is to be left off over the winter be sure to drain it down if there is a possibility of freezing temperatures.
- Page 12 TEMPERATURE CONTROLS Using 2 or more Universal Temperature Controllers. Switching the system ON. The hot water system and all controllers can be switched ON and OFF from any controller by pressing the ON/OFF button as shown. When the system is turned ON the water temperature display will be lit.
- Page 13 TEMPERATURE CONTROLS Do not push the ON/OFF button on the Temperature priority cannot be switched Master controller after transferring priority to another controller when the water is of temperature selection to a Secondary flowing through the water heater. controller as the system will shut down. Controller 1 Controller 2 in use...
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Page 14: Error Messages
ERROR MESSAGES Rinnai water heaters have the ability to check their own operation continuously. If a fault occurs, an error code will flash on the Digital Display (and on the Status Monitor) if you have temperature controllers installed. This assists with diagnosing the fault, and may enable you to overcome a problem without a service call. - Page 15 ERROR MESSAGES Troubleshooting without controllers If you have not installed temperature controllers and experience the following symptoms, please carry out the suggestions below. If symptoms continue, please contact Rinnai for advice. Fault Remedy Heater does not attempt Check the power is on at the heater.
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Page 16: Restarting The Rinnai Water Heater
If you need a recommended service engineer contact Rinnai or your supplier. The installer can refer to page 60 for main maintenance of appliance. For more detailed instructions on maintenance contact Rinnai or your supplier. -
Page 17: Installation Instructions
If the information in this manual is not followed exactly a fire or explosion could result. This manual must be read in its entirety before installing the appliance. If you are unsure of any point contact Rinnai or your supplier. -
Page 18: Uk Installation Instructions
Please be sure that you are fully aware of your obligations and responsibilities under these regulations. In case of defective parts only use genuine Rinnai components for replacement failure to do so will invalidate any warranty. Disposal Information: Under the laws and local regulations, this product must be disposed separately from house- hold waste. -
Page 19: Unpacking Rinnai Water Heater
A heater accessories pack is inside the carton. One remote control is supplied with the Infinity range of water heaters. Remote controllers are not supplied with the Rinnai HD range of heaters because they are commercial units. If you require controllers in commercial situations they are compatible with the HD range and available from Rinnai UK or your supplier. -
Page 20: Operation
OPERATION Infinity K32i and HDC1500i Infinity K32e and HDC1500e... - Page 21 OPERATION Infinity K20i, K26i, HDC1000i and HDC1200i Infinity K26e and HDC1200e...
- Page 22 OPERATION Ignition Press ON/OFF Button of Remote Controller to turn on unit and the remote controller display and priority LED will light up. When a hot water tap is opened the Water Flow Sensor revolves and sends a pulse signal to the Printed Circuit Board (PCB). When the PCB detects water flow it compares the measured temperature to the temperature set point.
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Page 23: Main Components
MAIN COMPONENTS 1. Gas Control Unit 1.1 Modulating Valve This device is used by the PCB to adjust the volume of gas to the burner in proportion to the volumetric flow rate of water in order to maintain a supply of constant temperature hot water amid changes in water flow rates and incoming temperatures. -
Page 24: Installation Instructions
Rinnai can not be held responsible for any consequential water damage so it may be necessary to fit a drain... - Page 25 See the pressure chart on page 53. Contact Rinnai or your supplier for 'gravity fed' or 'low pressure' hot water installations.
- Page 26 INSTALLATION INSTRUCTIONS Water Connection For all closed systems (with flow and return or tank) the system must incorporate an unvented kit with the components shown below. The safety relieve valve must discharge safely into a suitable drain via a tundish. Expansion Safety Vessel...
- Page 27 INSTALLATION INSTRUCTIONS Note. Water must reach set Temperature within 1 minute at the furthest outlet Name Site ref Date Name Site ref Date...
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Page 28: Flue Requirements
BS 5440 allow room sealed appliances to be installed in spaces and rooms, including bedrooms, without ventilation. If a Rinnai Infinity internal water heater is installed in a compartment it must have the following amount of permanent ventilation. - Page 29 The flue must be clear of obstructions and shrubbery. Concentric Flues The Rinnai Infinity Condensing water heaters internal units may only be installed with the approved Rinnai Infinity and HD flue kit provided. These instructions only apply to coaxial Rinnai Flues. If in doubt contact Rinnai UK.
- Page 30 FLUE REQUIREMENTS For the Rinnai Infinity Condensing internal water heaters the flue system is considered part of the continuous flow water heater. The following flue type and make is approved in combination with above mentioned water heaters. Ubbink flue system: 184162 Rolux®...
- Page 31 FLUE REQUIREMENTS BS5440—1 Dimen- Symbol Terminal Position sion Directly below an opening, air brick, opening windows, ect. 300mm Above an opening, air brick, opening window, ect. 300mm Horizontally to an opening, air brick, opening window, ect. 300mm Below plastic gutters, soil pipes, drain pipes, ect. 75mm Below eaves 200mm...
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Page 32: Condensate Disposal
For this reason copper tube and fittings MUST NOT be used as it will corrode. Instead, Rinnai recommend plastic pipes and fittings such as Un-plasticised Polyvi- nyl Chloride (UPVC) or Polyethylene (PE) which is commonly used for irrigation piping. - Page 33 CONDENSATE DISPOSAL...
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Page 34: Temperature Controls
TEMPERATURE CONTROLS General Information Commercial installations do not generally have controllers installed. These installations usually have one permanent set temperature that is constant at all times. The public should not have access to alter the temperature in these situations. These installations do not require controllers as the temperature can be set by a series of dip switches on the PCB. - Page 35 TEMPERATURE CONTROLS Universal Temperature Controller - MC-91 1. Determine the most suitable position for the temperature controller. 2. Drill 3 holes in the wall (Fig.1), one for the cable and two for the securing screws. Fit wall plugs if needed and ensure controller is level. 3.
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Page 36: Ez Connect
EZ CONNECT EZ Connect Installation The EZ Connect allows the installation of two Infinity water heaters to be controlled by one remote controller without PAM valves or a MECS. This will allow temperature control through NOTE use of a single remote, while error messages will be displayed NEW FEATURE on the status monitor. -
Page 37: Testing
TESTING 1.Purge gas, hot water and cold water supply lines before making the final connection of the water heater. Swarf in either the gas or water supplies may cause damage. 2.Turn on gas and cold water supplies. 3.Test for water leaks and gas escapes near the unit. 4.Isolate gas and electric supply. -
Page 38: Gas Pressure Setting
Contact Rinnai before attempting to alter the gas pressure if you are unsure of what to do. Incorrect adjustment can void the warranty. - Page 39 GAS PRESSURE SETTING 10. Set the Rinnai Infinity to 'Forced Low' combustion by setting No. 7 dipswitch of SW1 to 'ON'. (Fig. 3) 11. Check the burner test point operating pressure. External Internal 1.81 1.47 2.26 1.76 1.76 Fig. 3 2.35...
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Page 40: Dip Switch Setting
DIP SWITCH SETTING Dip Switch Positions Explained ON SW1 Flue Length LEGEND: Temperature Black Section indicates Temperature position of dip switch. Temperature Temperature OFF ON OFF ON Model Choice Forced Combustion Forced Combustion ON SW2 Model Choice Gas Type OFF ON Gas Type Dip SW 6 Model Choice... - Page 41 DIP SWITCH SETTING Temperatures - With or Without Remotes Connected 40 deg C 42 deg C 50 deg C 55 deg C (Infinity factory setting) Temperatures - Remotes Connected If the remote is accidentally disconnected the unit would revert to 55°C 60 deg C 65 deg C 75 deg C...
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Page 42: Dimensions
DIMENSIONS Infinity K32i and HDC1500i Infinity K32e and HDC1500e... - Page 43 DIMENSIONS Infinity K20i, K26i, HDC1000i and HDC1200i Infinity K26e and HDC1200e...
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Page 44: Technical Details
TECHNICAL DETAILS Infinity Model Inf. K32e / HDC1500e Inf. K32i / HDC1500i Units Installation External Internal G20 Nat Gas Press Low / High 1.81 / 5.64 2.26 / 6.28 mbar G25 Nat Gas Press Low / High 2.35 / 7.40 2.81 / 8.00 mbar G31 Propane / G30 Butane Press Low / High... - Page 45 TECHNICAL DETAILS Infinity Model K26e/HDC1200e K26i/HDC1200i K20i/HDC1000i Units Installation External Internal Internal G20 Nat Gas Press Low / High 1.47 / 6.78 1.76 / 7.51 1.76 / 4.51 mbar G25 Nat Gas Press Low / High 2.11 / 9.68 2.19 / 10.32 2.19 / 5.76 mbar G31 Propane / G30 Butane Press Low / High...
- Page 46 TECHNICAL DETAILS PRODUCT FICHE Supplier’s Name Rinnai UK Ltd REU-KM3237WD-E REU-KM3237FFUD-E Model Name REU-KM3237WDHD-E REU-KM3237FFUDHD-E Declared Load Profile on Energy Label * Energy Efficiency Class Water Heating Efficiency η 92.2 92.2 Annual Electricity Consumption AEC (kWh/annum) Annual Fuel Consumption AFC (GJ/annum)
- Page 47 TECHNICAL DETAILS PRODUCT FICHE Supplier’s Name Rinnai UK Ltd REU-KM2635WD-E REU-KM2635FFUD-E Model Name REU-KM2635WDHD-E REU-KM2635FFUDHD-E Declared Load Profile on Energy Label * Energy Efficiency Class Water Heating Efficiency η Annual Electricity Consumption AEC (kWh/annum) Annual Fuel Consumption AFC (GJ/annum) Second Load Profile Energy Efficiency Class Water Heating Efficiency η...
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Page 48: Product Fiche
TECHNICAL DETAILS PRODUCT FICHE Supplier’s Name Rinnai UK Ltd REU-KM2035FFUD-E Model Name REU-KM2035FFUDHD-E Declared Load Profile on Energy Label Energy Efficiency Class Water Heating Efficiency η 88.1 Annual Electricity Consumption AEC (kWh/annum) Annual Fuel Consumption AFC (GJ/annum) Second Load Profile Energy Efficiency Class Water Heating Efficiency η... -
Page 49: Flow Chart
FLOW CHART... -
Page 50: Wiring Diagram
WIRING DIAGRAM Infinity K32... - Page 51 WIRING DIAGRAM Infinity K20 & K26...
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Page 52: Diagnostic Points
DIAGNOSTIC POINTS... -
Page 53: Water Flow Characteristics
WATER FLOW CHARACTERISTICS Infinity K32 Infinity K20 & K26... -
Page 54: Letter Of Compliance
LETTER OF COMPLIANCE... -
Page 55: Ce Certificate
CE CERTIFICATE... - Page 56 CE CERTIFICATE...
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Page 57: Commissioning Checklist
COMMISSIONING CHECK LIST The water heater is not subject to corrosive compounds in the air. □ □ The water supply does not contain chemicals or exceeds total hardness that will damage the heat exchanger. □ Clearances from the water heater unit are met. □... -
Page 58: Commissioning Sheet
COMMISSIONING SHEET... -
Page 59: Service Record
SERVICE RECORD... -
Page 60: Maintenance
MAINTENANCE Maintenance Maintenance of Infinity is very limited. For more detailed instructions on maintenance contact Rinnai or your supplier. Below is reported the flushing procedure of the heat exchanger. Flushing the heat exchanger: Coastal installations Installations located in or near coastal areas may require additional maintenance due to corrosive... -
Page 61: Uk Warranty
Rinnai is not responsible. Service calls for these issues will be chargeable. The unit must be ser- viced annually to validate the warranty. - Page 62 WHAT WILL RINNAI DO? Rinnai will repair or replace the product or any part or component that is defective in materials or workmanship, except as set forth below: All repairs must be performed using genuine Rinnai parts. All repairs or replacements must be performed by a registered gas engineer.
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Page 63: Specification
SPECIFICATION... -
Page 64: Contact
CONTACT UK LTD. 9 Christleton Court Manor Park Runcorn Cheshire WA7 1ST Tel. 01928 531870 Fax. 01928 531880 E-mail. info@rinnaiuk.com Web. www.rinnaiuk.com HEATER DETAILS Model Number _____________________________________________ Serial Number _____________________________________________ Date of Purchase _____________________________________________ U290-671X06(00) v5. 10/11/15 RUK...