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Table of Contents
Related Manuals for Rinnai Mirai 24
Summary of Contents for Rinnai Mirai 24
- Page 2 www.rinnai.it...
- Page 3 Standard di Qualità ISO 9001 - 2008 Il design, lo sviluppo e la produzione delle caldaie a gas a condensazione sono realizzati secondo gli standard qualitativi Rinnai. Lo standard di qualità Rinnai è certificato ISO 9001. Numero Registrazione: JQ0003D Registrato da:...
- Page 4 Dear Customer, our compliments for having chosen a Rinnai top-quality product, able to assure well-being and safety for a long period of time. As a Rinnai Customer you can also count on a qualified after-sales service to guarantee a constant efficiency of Your boiler.
- Page 5 WARRANTY Dear Customer, Our compliments for having chosen a Rinnai product. The standard Rinnai warranty does not affect the terms of the legal warranty on customer’s good and relates to Rinnai products purchased. WHAT IS COVERED? The warranty covers any defects in materials or workmanship when the product is installed and operated according to Rinnai installation instructions, subject to the terms within this limited warranty document.
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Page 6: Table Of Contents
GAS CONVERSION AND PRESSURE ADJUSTMENT ................48 MAIN COMPONENTS DISASSEMBLY......................50 WIRING DIAGRAM............................55 DIAGNOSIS POINTS............................. 56 TECHNICAL DATA ............................57 COMBUSTION PARAMETERS........................59 PRODUCT FICHE ............................60 DATA PLATE ..............................61 CE CERTIFICATE ............................62 DICHIARAZIONE DI CONFORMITA’ ......................62 www.rinnai.it... -
Page 7: User's Instructions
USER’S INSTRUCTIONS The following section provides instructions for proper use of the product. This section is intended for the use by qualified technical personnel and end users. www.rinnai.it... -
Page 8: Important Safety Information
Always test the temperature of the water before bathing or showering. Do stay with children whenever they are in the bathroom. Do make sure that the tap is turned off tightly. Do consider setting your hot water production at a maximum temperature of 50°C. www.rinnai.it... - Page 9 - Improper adjustment, alteration, service or maintenance could significantly affect the safety of the product. Contact the Rinnai service if you detect any unusual condition. Check that the flue and air inlet pipes are properly installed and in good condition .
- Page 10 If water pipes are frozen, there would not be water flow in the system. Use a heat source (e.g. hair dryer) to unfreeze the frozen components and pipes. Before using the boiler after defrosting contact the Rinnai service to verify possible damages.
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Page 11: Main Components
MAIN COMPONENTS www.rinnai.it... - Page 12 MAIN COMPONENTS www.rinnai.it...
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Page 13: Operation
The boiler is provided together with the “standard” Rinnai remote controller and ready for the use. The “space heating mode” is the default setting of the remote controller. The remote controller must be wired to the boiler to be powered (the cable can be extended if the controller has to be installed far from the appliance). -
Page 14: Heating Function
When the boiler operates in “ECO mode” the green symbol, showed on the left, is automatically displayed. www.rinnai.it... -
Page 15: Fast Heating Function
To turn off the fast heating function push one or both the arrow buttons (2) on the remote controller. The fast heating function can be used to increase rapidly the appropriate room temperature in a cold place . www.rinnai.it... -
Page 16: Hot Water Function
- hot water request detected (blinking) - the burner of the boiler is ON Hot water is produced instantaneously: with Rinnai boiler you will never remain without hot water as long as electric power, water and gas are supplied. Prior to use after installation or if the boiler has not been used for a long time let the hot water flow for a while before using. -
Page 17: Hot Water Pre-Heat Function
To turn off this function push both the arrow buttons (2) on the remote controller. The DHW pre-heat function allows a faster delivery of hot water at the desired temperature shortening the time needed for its production. www.rinnai.it... -
Page 18: Auto Mode Operation
CH and DHW set temperatures: during the cold season the flow temperature is increased proportionally while in the mild seasons it is decreased. The boiler operates automatically in a specific eco-friendly mode which is particularly convenient for reducing air pollutant emissions and fuel consumptions. www.rinnai.it... -
Page 19: Outgoing" Mode
For short periods of absence, the outgoing mode allows to reduce fuel consumptions turning off the CH and restarting normal operation at the end of the suspension time. www.rinnai.it... -
Page 20: Reservation" Mode
ON period is fixed at 60min. and it cannot be modified. During ON period the boiler operates at the CH pre-set temperature: The reservation mode can be suitable for mild seasons or at night if properly customized by the user. www.rinnai.it... -
Page 21: Emergency Switch
It is not recommended to use the switch during normal operation. In case of a remote controller failure activate the switch not to remain without heating and hot water; call immediately Rinnai service to repair or change the remote controller. www.rinnai.it... -
Page 22: Cleaning And User's Maintenance
ATTENTION: An annual maintenance should be made to preserve the boiler integrity and to keep safety, efficiency and reliability unchanged. Refer to the instructions described in the maintenance section of this manual and contact the Rinnai service. Always keep the boiler clean. -
Page 23: Cleaning The Dhw Inlet Filter
5 - Activate the boiler pushing the buttons ( ) or ( ATTENTION: after the cleaning of the CH and DHW filters make sure that there isn’t any leakage. If even a small leakage happens call the Rinnai service. www.rinnai.it... -
Page 24: Basic Troubleshooting
BASIC TROUBLESHOOTING When the boiler doesn’t operate properly, check the troubleshooting chart below before contacting the Rinnai service: www.rinnai.it... - Page 25 The Mirai boilers have the ability to check their own operation continuously. If a fault occurs, an error code will flash on the digital display. This assists with diagnosing the fault and may enable you to overcome a problem without a service call. Please quote the code displayed when enquiring about service. www.rinnai.it...
- Page 26 - on the left is shown the error code number; - on the right is shown the boiler model reference (see below table). To reset the error code it is necessary to press and keep pressed one of the two buttons ( ) or ( www.rinnai.it...
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Page 27: Installer's Instructions
INSTALLER’S INSTRUCTIONS The following section provides specific instructions for proper installation of the product. This section is intended for the use by qualified technical personnel. www.rinnai.it... -
Page 28: Installation Warnings
The appliances must be power plugged, gas fuelled and connected to a heating system and a hot water delivery system suitable for the boiler power and features. Rinnai gas appliances must be installed by qualified personnel only, according to local regulations, to the law in force and following the principles of the code of practice. -
Page 29: Unpacking The Boiler
Prior to use make sure that the boiler is set up for the correct type of gas and that the appliance is intact. If the boiler is clearly damaged or you have doubts do not install the boiler and contact your supplier or Rinnai immediately for further information. -
Page 30: Main Components
MAIN COMPONENTS www.rinnai.it... -
Page 31: General Scheme And Operation Principles
GENERAL SCHEME AND OPERATION PRINCIPLES www.rinnai.it... -
Page 32: Installation
Once the drain pipe has been connected, open the front panel and fill the siphon directly with water or pour water into the exhaust pipe until it outflows from the pipe. Fill the siphon carefully to prevent exhaust gas to flow out of the boiler during normal operation. www.rinnai.it... -
Page 33: Gas Connection
III. The boiler is equipped with power cord and plug. If the cable has to be replaced contact qualified professionals and use original Rinnai parts only. Do not use adaptors, multiple socket or extension cords. www.rinnai.it... -
Page 34: Remote Control
Rinnai. The Rinnai remote controller must be installed on an accessible wall - at 1.2-1.5m from the floor - in a significant location within the house, especially if it is used as a room thermostat in “Space heating mode”. -
Page 35: Outdoor Temperature Sensor
ROOM THERMOSTAT (different brand) Together with the Rinnai remote controller any room thermostat (other brand) can be used to control the boiler. The Rinnai remote controller cannot be unplugged even if a room thermostat (other brand) has been installed. -
Page 36: Flue System
It must comply to one of the boiler classes listed on the data plate (located on the boiler side). Rinnai provides a specific flue system for the boiler and the appliance must not be installed or operate without the provided flue system. - Page 37 Note: in outdoor installations of the boiler, under the direct action of elements (rain, snow, etc) make sure that the inlet flue system is protected against any possible infiltration of rain. Type C - (room sealed, forced flue application) www.rinnai.it...
- Page 38 INSTALLATION Type C - (room sealed, forced flue application) www.rinnai.it...
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Page 39: Recirculation Pump
- the installation of a 3Amp fuse is recommended. The external pump features are: Voltage: 230V AC, 50Hz Amperage: <1Amps In-rush current: <1.5Amps (the installation of a pump with different features could result in malfunction of the boiler or damage the PCB). www.rinnai.it... -
Page 40: Heating System Filling
During the initial use of the boiler it is recommended to check the pressure gauge on the front panel to ensure a correct pressure of the CH system. If necessary, refill the system and restore a correct water pressure. www.rinnai.it... -
Page 41: Commissioning The Boiler
In particular, for the new systems, open the doors and the windows to ventilate the room, avoid the presence of flames and sparks, properly purge the gas system from air and check for any leakage on the gas pipes according to national and local regulations. Hereby are reported some general inspections: www.rinnai.it... -
Page 42: Antifrost Protection
It is necessary to ensure a proper protection against freezing to the condensate drain. It is recommended the use of electrical heating cables. Any pipe or connection that can be affected by freezing must be correctly insulated. Note: any damage caused by freeze is not covered by guarantee. www.rinnai.it... -
Page 43: Maintenance Instructions
MAINTENANCE INSTRUCTIONS The following section provides specific instructions for proper maintenance of the product. This section is intended for the use by qualified technical personnel. www.rinnai.it... -
Page 44: Service Mode
SERVICE MODE The “Service mode” of the Standard Rinnai remote controller allows to read, adjust and modify some parameters during the installation. It is possible to adjust these parameters after the installation is performed to always adapt the appliance operation to the end user’s requirements. - Page 45 When the boiler operates in “Space heating mode” the PCB chooses the CH flow temperature in relation to the difference between the set temperature and the one measured by the remote controller sensor. The flow temperature is proportional to that difference. When the parameter is “ON” the flow temperature value is increased compared to the normal setting www.rinnai.it...
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Page 46: Faulty History Mode
FAULTY HISTORY MODE The Rinnai appliances are provided with a self-testing system: when a boiler failure happens an error code blinks on the remote controller display. The error codes, together with their frequency, are saved in the internal PCB memory. -
Page 47: Dip Switch Setting
5 - set switches nr6 & nr7 back to OFF. NOTE: the boiler ignores dip switches nr6 & nr7 ON position (and any forced combustion regime) after two hours they have been activated; the boiler turns back automatically to a normal combustion regime for safety reasons. www.rinnai.it... -
Page 48: Gas Conversion And Pressure Adjustment
(the manifold is fastened by the screws indicated with “Y” in the picture on the side). Update the dataplate of the boiler with the new gas type; NOTE: below are listed the codes referring to the different types of gas. www.rinnai.it... - Page 49 13. Disconnect the pressure gauge from the pressure test point on the gas valves and replace the screw; 14. Turn on the gas supply and plug the boiler; switch the boiler on and check for any leakage of gas; 15. Install the siphon and the front panel. www.rinnai.it...
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Page 50: Main Components Disassembly
1 - Unplug the boiler. 2 - Remove the front panel and the siphon. 3 - Remove the plastic cover of the PCB and disconnect all connectors. 4 - Remove the fixing screw of the PCB (1x). www.rinnai.it... - Page 51 5 - Remove the clip fastening the gas duct to the coupling in the bottom part of the boiler. 6 - Pull out the gas valves - see the drawing on the side - and make sure not to damage the coupling o-ring. www.rinnai.it...
- Page 52 2 - Disconnect the CH return connector. 3 - Separate the CH return connector from the 3-way valve. 4 - Remove the clip that fastens the CH pipe (O-ring P20) (2x). 5 - Remove the fixing clip from the heat exchanger (O-ring P14). www.rinnai.it...
- Page 53 CH pipes (act on the pressure relief valve). 2 - Remove the front panel and the siphon. 3 - Remove the fixing screws of the expansion vessel (8x). 4 - Disconnect the pipes connecting the tank to the CH circuit. www.rinnai.it...
- Page 54 4 - Remove the fixing screws from the heat exchanger (6x). 5 - Unplug the electrical wiring and sensors. 6 - Remove the screws from the fixing plate to separate the two heat exchangers (8x). www.rinnai.it...
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Page 55: Wiring Diagram
WIRING DIAGRAM www.rinnai.it... -
Page 56: Diagnosis Points
DIAGNOSIS POINT www.rinnai.it... -
Page 57: Technical Data
TECHNICAL DATA www.rinnai.it... - Page 58 TECHNICAL DATA Values tested with G20-20mbar gas - gross calorific value (Hs) - according to Reg. UE 813/2013. www.rinnai.it...
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Page 59: Combustion Parameters
COMBUSTION PARAMETERS www.rinnai.it... -
Page 60: Product Fiche
PRODUCT FICHE Values tested with G20-20mbar gas - gross calorific value (Hs) - according to Reg. UE 811/2013. www.rinnai.it... -
Page 61: Data Plate
DATA PLATE www.rinnai.it... -
Page 62: Ce Certificate
CE CERTIFICATE www.rinnai.it... - Page 63 www.rinnai.it...
- Page 64 Italia srl Via Morbidina di Quartirolo, 2b 41012 - Carpi (MO) Italia Tel. +39 059 622 9248 Fax. +39 059 622 4449 E-mail. info@rinnai.it Web. www.rinnai.it V. 1 - 160122 U306-1722X02(00) This edition replaces any previous “Installation and user manual” published.
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