Rinnai 26i, HD50i Water Heater User Manual
Contents
1. a IA a Above an intersection with roof N A FLUE REQUIREMENTS INSTALLING General The flue must be installed in accordance with Manufacturers Installation Instructions British Standards including BS5440 Gas Safety Installation and Use Regulations IGE UP 10 Part1 Edition 2 Building Regulation J The flue must be installed by a competent authorised person lt is the installer s responsibility to ensure that the unit has been installed to all current requirements The Rinnai Infinity 26i and HD50i are internal units which may only be installed with the approved Rinnai Infinity and HD flue kit provided These instructions only apply to coaxial Rinnai Flues with stainless steel inner pipe and white plastic outer pipe These instructions do not apply to Rinnai Flues with stainless steel single skin or stainless steel coaxial flue If in doubt contact Rinnai UK The required clearance of the flue terminal is shown on page 9 When multiple units are installed together there must be enough of a gap to satisfy the requirements of the regulations Under current regulations the heaters should have at least an 100mm gap between them The flue terminal should be over 2m from ground level whenever possible For lower installations a terminal guard cage must be installed The Rinnai Infinity 26i and HD50i comes standard with a horizontal flue kit consisting of a 90 degree adapter bend and 700mm length of flue pipe with wall terminal2. Installation and User Manual Infinity 261 and HDS0i Continuous Flow Water Heater Important Read these instructions carefully before attempting installation or use of this appliance All work must be carried out by competent persons RINNAI UK WARRANTY from Jan 2005 As the purchaser of this high quality Rinnai Water Heater you are provided with the following conditional guarantee EEE IO IO EEE QQ EOS EI O E S Definition of Standard Use The warranty period allocated under Standard Use is based on Domestic and Light Commercial hot water usage Rinnai Standard Use warranty periods apply only where Rinnai water heaters are installed in domestic and light commercial situations at operating temperatures below 65 C and do not include installations incorporating storage cylinders or building flow and return systems The warranty shall apply to any Rinnai water heater from the Infinity or HD range used in this way Definition of Commercial Use The warranty period allocated under Commercial Use are for Rinnai HD water heaters installed at premises such as commercial and industrial buildings cafes caravan parks and sporting complexes Commercial Use warranty applies to Water heaters supplying a central shower block Water heaters supplying kitchens used for the bulk preparation of food Water heaters set to 65 C or higher Water heaters used in commercial or industrial processes Any application that use
3. 38 39 40 41 42 43 44 45 46 47 48 C Deluxe Kitchen Controller 37 38 39 40 41 42 43 44 45 46 48 50 55 C 60 65 C HD If a temperature 43 C or higher is selected on any controller and this temperature is then decreased to below 43 C and increased again whilst the water is running the maximum selectable temperature will become 43 C This provides additional safety for the consumer Suggested temperatures are Kitchen 50 C 65 C Shower 39 C 43 C Bath fill 39 C 45 C This temperature may not be available on all installations These temperatures are suggested starting points for selection You may find higher or lower temperatures are more comfortable Maintaining lower temperatures helps to save energy To obtain water temperatures lower than 37 C simply add cold water Up to four controllers can be used for one Infinity 26i or HD50i When multiple temperature controllers are used they allow the temperature to be set from various locations by pushing the transfer button which gives that controller priority over the system The temperature selected by the controller with priority will be available to all outlets 20 TEMPERATURE CONTROLS OPERATING Remote temperature controllers are a feature that provides control over the water temperature Rinnai Infinity and HD water heaters can be operated with 1 2 3 4 or no temperature controllers The Universal controller MC 91 1A comes as standard wi
4. Replace cover of the Appliance Ensure that the Remote control cables special earth screw is placed at the bottom right hand corner for earthing purposes fig 3 19 TEMPERATURE CONTROLS The purpose of a Temperature Controller is to enable the user to have complete control over the hot water supply Used correctly the hot water unit will supply hot water at the temperature selected even when the water flow is varied or when more than one tap is used 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 Deluxe Temperature Controllers can be fitted with the Infinity 26i and HD50i Universal Controllers allow temperature selection only and come as standard with the water heaters Deluxe Temperature Controllers are an optional extra These controllers have temperature selection bath fill voice recognition and time clock functions When more than one Universal Controller is used one may be set as the Master Controller to allow higher temperatures Various water temperatures C can be selected as follows Universal Controller 37 38 39 40 41 42 43 44 45 46 48 50 C Master Universal Controller 37 38 39 40 41 42 43 44 45 46 48 50 55 C 60 65 C HD Deluxe Bathroom Controller Hot Water Delivery 37 38 39 40 41 42 43 44 45 46 48 50 C Bath fill Delivery 37
5. and the HD50i is delivered with a preset temperature of 65 C If required the temperature limits can be changed by an authorised person For further information please contact Rinnai e The Rinnai Infinity and HD internal units are powered flue appliances This makes it COMPACT saving both floor and wall space e The temperature of outgoing hot water is CONSTANTLY MONITORED by a BUILT IN SENSOR If the temperature of the outgoing hot water rises to more than 3 C above the selected temperature the burner is shut OFF and only turned ON again when the temperature falls to below the selected temperature e The burner lights automatically when the hot water tap is opened and extinguishes when the tap is closed IGNITION IS ELECTRONIC so there is no pilot light When the hot water tap is off no gas is used e Up to four temperature controllers can be mounted remotely from the heater This offers the following additional features Localised temperature setting Diagnostic message e Deluxe Temperature Controllers are an optional extra These provide functions including Bath Fill Voice Prompt and Clock Setting e Temperatures selected at the controllers are retained in the SYSTEM MEMORY e Operating NOISE LEVEL IS VERY LOW e ERROR MESSAGES ARE DISPLAYED on the Temperature Controllers assisting with service e FROST PROTECTION device built in as standard IMPORTANT INFORMATION Excessively hot water is dangerous especial
6. install this equipment 2 Unpack the appliance and check it carefully If it appears to have any defects or damage DO NOT INSTALL contact your supplier 3 This appliance is for normal hot water supply only and should not be used as pool or spa water heater 4 The heater must be installed in the vertical position with the gas and water connections on the underside pointing vertically downward 5 Installation must be carried out in accordance with the current issue of the following Building regulations issued by the Department of the Environment and Building Standards Scotland Regulations E E Wiring regulations for electrical installations Gas safety Installation and Use Regulations current issue BS 5546 BS 5440 BS 6891 BS 5482 BS 6700 Local byelaws Water regulations Health and safety at work etc Act 1974 Such other specifications and regulations that may supersede or complement the above documents Please be sure that you are fully aware of your obligations and responsibilities under these regulations INSTALLATION INSTRUCTIONS POSITIONING General Installation Information Internal Installations The Rinnai Infinity 26i and the Rinnai HD50i are for internal installation in conjunction with the Rinnai Power flue system The flue terminal clearances must be in accordance with the requirements of BS 5440 Consideration should be given to other appliances openings and boundaries Table and Figur
7. until a beep is heard approx 5 seconds STEP 2 When the Master controller is switched on it should be possible to select temperatures higher than 50 C If not repeat STEP 1 Z 7 O In Use lal Fig 2 Note If the master controller is replaced repeat STEP 1 above for the new controller 28 TEMPERATURE CONTROLS OPERATING To turn off your hot water system During normal operation the system is left on To turn the system off simply press the On Off O AD button on any temperature controller where fitted This will shut the water heater down Transfer completely including the temperature controller bs digital display t The on indicator 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 Additional safety features Whilst the hot water tap is open the following safety features apply e Temperature selection cannot be transferred e If a temperature of 43 C or higher selected and the temperature is decreased to below 43 C and then raised again the maximum available temperature will be 43 C e Other controllers are unable to change the delivery temperature of the water Note The temperature of the outgoing water is constantly monitored by a built in sensor lf the temperature of the out
8. ON N eu FULL CLOSE POSITION Br W One SN ee ao E REMOTE CONTRO en 6 IN Geb bet WATER FLOW H Sem EE e N D Do 3 oom jooneusrenran C Benin a al Ojruamenoo As taco OVER BETLA ANG CONDON 5 aumoa oro E 156 ge 486 3 6 4 5KQ IE 2 2 2 7kQ Ojmenwerme ran snow Denn ul rox cm ojuona em aa oma nm eee Glenmwomme om We Slenmwowmdu ve eae On wrecoon nommar mu ml na 4 12210 2 4 4 30 AC30 50V Alm u AC180 220V ar TRANSFORMER VOLTAGES AND RESISTANCE SPECIFICATION MOGE lores ic ias Infinity 26i and HD50i Installations een Internal location only A une ee ea Natural Gas or LPG SP heacectecsenseataceeaannahisiuseetaaseaes sarees Modulating ADU een ee tee rene en en PI enna Aa 4 4 to 54 kW EXNAUSE TYPE unse ee Forced Draught Flue A e o il O A Electronic A e O UE TI air Stainless steel O A o ee 22Kg Water HOWIAle as 2 4 to 32L min Minimum operating Water preSSure oooccocccccccccccconccccccnoconnnanonnnnnnnos 1 0 Bar Connections o II HERR EIER EIUTSER 3 4BSP Water ad A TE 3 4BSP Water QUISE annahm 3 4BSP Electrical SUP a o eee 230V AC 50Hz 1ph Separate models available for Natural gas or LPG fuel Minimum flow rate based on temperature setpoint and inlet conditions Rinnai are continually updating and improving products and reserve the right to alter model specifications without prior not
9. displays This is the water temperature which will be supplied from the heater Bathroom temperatures should be no more than 50 C Open the hot water tap The appliance will be activated and the In Use indicator will be lit 23 TEMPERATURE CONTROLS OPERATING Using 4 Universal Temperature Controllers You will need to activate the fourth controller STEP 1 On the Master controller press and hold the Transfer and On Off buttons simultaneously see fig 2 until a beep is heard approx 5 seconds STEP 2 Check that the display on all Four controllers is lit and displaying a temperature when switched on If any ONE of the controllers displays two dashes see fig 1 in the display repeat STEP 1 Fig 1 Ri _ ae Use Approx Water Temp ony Fig 2 Note If the master controller is replaced repeat STEP 1 above for the new controller ID oS TEMPERATURE CONTROLS OPERATING Using High Temperature Display Controllers You will need to program the Master controller if you want to display and use temperatures over 50 Programming only needs to be done on Master universal controllers other universal controllers will not allow this and Deluxe Kitchen Controllers are supplied already programmed to allow high temperatures Temperatures in bathrooms should never exceed 50 C STEP 1 On the Master controller press and hold the Transfer and On Off buttons simultaneously see fig 2
10. modulating valve fig 4 as required to the pressure below Replace rubber access plug 12 Set the Rinnai Infinity to Forced High off on SW1 combustion by setting no 7 and no 8 1 dipswitches of the top set of switches SW1 to ON fig 5 Ensure maximum water flow 13 Check the burner test point pressure 14 Adjust the high pressure potentiometer on the Printed Circuit Board above SW1 fig 6 to the pressure shown below The potentiometer is very sensitive turn no more than a few degrees at a time then let the pressure settle down before turning it more 10 8 mbar High Press 15 IMPORTANT Set dip switch no 7 and no 8 Potentiometer on the top set of switches SW1 to OFF to return the appliance to Normal combustion 16 Close hot water tap 17 Turn OFF the gas supply and 230V power supply 18 Remove pressure gauge and replace sealing screw 19 Turn ON the gas supply and 230V power supply 20 Operate unit and check for gas leaks at test point CAUTION 21 Replace the front cover of the appliance 30 DIP SWITCH SETTING Dip Switch Positions Explained OFF ON SW1 1 Computer Programming 2 Temperature 3 Temperature 4 Temperature 5 Temperature 6 Temperature T Combustion 8 Combustion OFF ON SW2 1 Gas Type 2 Not in Use 3 Computer Programming 4 Notin Use Dip Switches Explained GAS TYPE LPG NAT GAS OFF ON SW2 OFF ON SW2 1 o
11. the cable access hole at the base of the appliance REMOTE CONTROL CONNECTION TERMINALS 4 Cut the spade connectors from two controller CABLE CLAMP cables 4 connectors should be cut off and discard Connect the wires and terminate into two new spade connectors as shown in fig 3 5 Thread the 3 cables through the cable access hole at the base of the appliance Connect the 4 spade connectors to the terminals marked Remote Control on the printed circuit board fig 2 Polarity is not important Either wire colour can be connected to either terminal 6 Replace cover of the Appliance Ensure that the special earth screw is placed at the bottom right fig 2 hand corner for earthing purposes REMOTE CONTROL CABLE Connecting Four Controllers New spade connectors 1 Isolate the power supply 2 Remove the front cover from the Appliance 4 screws fig 1 3 Cut the spade connectors from all four controller cables to be connected to the appliance 8 connectors should be cut off and discard Connect the wires from two remotes and terminate into two new spade connectors as shown in fig 3 4 Repeat for remaining two remotes 5 Thread the 4 cables through the cable access hole at the base of the appliance Connect the 4 spade connectors to the terminals marked Remote Control on the printed circuit board Cable Cable wires fig 2 Polarity is not important Either wire colour can be connected to either terminal A 5
12. and wall plate If the installation requires a vertical flue kit or any additional pipe or bends they must be ordered separately 45 degree bends are available Vertical Termination If the flue is to terminate vertically the maximum flue length is 9m At that length three 90 bends are permitted For an additional 90 bend 2m must be subtracted from the maximum length 1m for each 45 bend No more than four 90 bends are permitted Horizontal Termination If the flue is to terminate horizontally the maximum flue length is 15m 2m must be sub tracted for each 90 bend including the 90 adapter up to a maximum of four 90 bends Subtract 1m per 45 bend With four 90 bends the maximum length would be 7m Take care when fitting the flue pieces together not to damage the seals The use of soft liquid soap such as hand soap will allow the pieces to slide together Do not use hard detergents as they may damage the seals When cutting sections of the flue remove all burrs and file a slight chamfer on to the outer edge to prevent damage to the seals Flue pipes must include a condensate drain if the total flue height exceeds 1 5m There is a special condensate drain collector piece available through Rinnai UK For flue runs requiring a drain the horizontal sections should slope towards the appliance and the flue should be bracketed to prevent sagging If the flue run is less than 1 5m it should slope gently to the outside to prevent ingre
13. ap on This will automatically light the burner providing hot water The red In Use indicator will glow on the temperature controller Caution Always check water temperature before use aie 7 Transfer n Use Water Temp ar Bs Hot water temp Transfer Note with the hot water tap open and a temperature of 43 C or higher selected if the temperature is decreased to below 43 C and then raised again the maximum available temperature will be 43 C For safety reasons temperature priority cannot be transferred between controllers when a hot water tap is open 22 TEMPERATURE CONTROLS OPERATING 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 During normal operation the system is left ON Do not push the On Off button when water is running Using hot water Ensure the system is switched On by verifying the temperature display is lit Ensure the controller has priority by verifying the Transfer LED indicator is lit If it is not then press the Transfer button once This gives the local controller priority of temperature over the system Select the desired temperature using the Hot water temp buttons The selected temperature will be displayed on all controller
14. e C 1 from BS5440 1 2000 is provided for your guidance The appliance must be mounted on a vertical wall or structure with the water and the gas connections on the underside pointing towards the ground THIS APPLIANCE MUST NOT BE USED AS A DOMESTIC SPA OR SWIMMING POOL HEATER Appliance Location The appliance should be placed as close as practicable to the most frequently used hot water outlet point or points to minimise the delay time for hot water delivery For installations where the distance between the unit and hot water outlet points is considerable the appliance can also be fitted in a flow and return system which minimises the waiting time for hot water delivery Alternatively multiple appliances can be strategically placed to service outlet points with minimal delay time Contact Rinnai for further information Location of the appliance flue terminal must be in accordance with the clearances shown on page 8 Ensure that the flue terminal and hot water outlet connection cannot be touched by children The flue must be clear of obstructions and shrubbery The wall or structure on which it is mounted must be capable of supporting the weight of the appliance 22 kg and associated pipework Ensure that suitable screws or bolts are used to secure the water heater to the wall Bracket and fixing hole locations are shown on page 10 The top bracket has a keyhole slot so that the appliance can be hung on one screw and then the other fixin
15. ee Brillen 32 Restarting the Rinnai Water Heater 0 0 0 0 cece ccce cece ence eee nn nennen nen nnnnnn nenne 34 VVIFING Dia Mes kenctesitdceetddcccaiccensecen rai 35 Iagnostc ROMS rro erotica tas Ae alee 36 SPEEH CANON ee se hen 37 SERVICE COMAC ers O ES ee he are 38 UNPACKING RINNAI WATER HEATER e After unpacking the appliance check for damage if the heater is damaged contact your supplier immediately Do not install a damaged appliance before checking with your supplier e A heater accessories pack is inside the carton One remote control is supplied with the Infinity 26i The HD50i does not come with controllers because it is a commercial unit It is compatible with them if they are required e Check that the appliance supplied is the correct gas type for the installation Refer to the data plate located on the left hand side of the appliance e Remove the heater and the accessories from the carton and check that all the parts are included The remote control cable is provided with spade connectors MIN Control cable 20 metres ds INSTALLATION INSTRUCTIONS IMPORTANT INFORMATION 1 Gas safety Installation 8 Use regulations 1998 are the Rules in force In your own interest and that of safety it is law that all gas appliances are installed by competent persons in accordance with the above regulations Failure to install appliances correctly could lead to prosecution Other persons should NOT attempt to
16. ercome a problem without a service call Please quote the code displayed when enquiring about service Code Remedy Displayed NM Noticeable reduction in water Inlet water filter needs to be cleaned flow 03 Power interruption during Turn off all hot water taps and operation circulating pumps water will not flow when power Press On Off twice returned Not enough combustion air Check for physical blockages around air intake or exhaust Check combustion fan No Ignition Gas supply Check gas valves gas supply and ignition unit Flame failure Earth Leakage Check gas valves and gas supply Check flame rod Check earth wire lead Check remote control High flame safety device Service Call Over temperature warning Service Call Outgoing water temperature Service Call sensor faulty Heat exchanger outlet sensor Service Call faulty Combustion Air Temperature Service Call Sensor Faulty NC Gas modulating valve faulty Service Call NS Combustion fan failure Service Call Water flow control faulty Service Call does not stop flow properly Micro processor failure Service Call Flame rod circuit error Service Call In all cases you may be able to clear the Error code by turning the hot water tap OFF then ON again If this does not clear the error try pushing the On Off button OFF then ON again If the Error Code still remains contact Rinnai or your nearest service agent for advice Faults caused by insufficient gas wa
17. ever they should be positioned away from areas where direct or persistent splashing could occur e Refer to the E E electrical wiring regulations current edition for location requirements in shower and bath areas e The cables to the temperature controller carry only 12VDC extra low voltage e When using more than one temperature controller the signal cable should be run in parallel That is from controller to controller to heater or from each controller to the heater Do not wire the controllers in series The installation in every application will vary therefore the temperature controller cable has been provided so that you may cut the length accordingly and fit the spade connectors ensuring a good connection Cables are simply piggy backed at the water heater or at the primary temperature controller Polarity is not important when connecting the cables either colour wire can be connected to either terminal at both the heater or primary temperature controller If more cable is needed any cable with similar specification to the cable supplied with the controller can be used Maximum length is 50 metres 17 TEMPERATURE CONTROLS INSTALLATION Universal Temperature Controller Outline of A Control MC 91 1A e i 1 Determine the most suitable position for the temperature controller 2 Drill 3 holes in the wall as shown in fig 1 one for the cable and two for the securing screws Ensure holes are drilled dee
18. ff 1 on 2 2 3 3 4 4 COMPUTER PROGRAMMING OFF ON SW 1 1 Computer programming 2 Switches and Not in Use 3 Switches are always in the 4 OFF position for the 5 Infinity 26i and HD50i 6 7 8 OFF ON SW2 E A 2 Es 4 31 LEGEND Black Section indicates position of dip switch OFF ON OFF ON OFF ON COMBUSTION NORMAL OFF ON SW1 7 off 8 off FORCED LOW OFF ON SW1 7 on 8 off FORCED HIGH OFF ON SW1 7 8 on DIP SWITCH SETTING Infinity 26i and HD50 Temperatures With or Without Remotes Connected off on SWI off on SWI off on SWI off on SWI 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 40 deg C 43 deg C 50 deg C 55 deg C HD50i only factory setting Temperatures Remotes Connected off on SWI off on SWI off on SWI 1 1 1 2 2 2 3 3 3 If the remote was 4 4 4 accidentally 5 5 5 disconnected the unit 6 6 6 would revert to 55C 7 7 7 8 8 8 60 deg C 65 deg C 75 deg C HD50i only Temperatures Remotes Not Connected off on SWI off on SWI off on SWI off on SWI 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 60 deg C 65 deg C 75 deg C 85 deg C factory setting 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 if you have temperature controllers installed This assists with diagnosing the fault and may enable you to ov
19. going hot water rises to more than 3 C above the selected temperature shown on the digital display or the preset limit if controllers are not fitted the burner will automatically go out The red operation indicator will also go out The burner will ignite again once the outgoing hot water temperature falls to that shown on the digital display or the pre set limit of the Rinnai Infinity heater 25 TEMPERATURE CONTROLS INFORMATION Do not push the On Off button on the Master controller after transferring priority of temperature selection to a Secondary controller as the system will shut down Do Not Turn OFF the Master Controller If a temperature higher than 50 C has been selected on the Master controller and priority of temperature selection is transferred to another controller or it is turned off then back again or turned on again the temperature on the Master controller will automatically drop to 50 C If the set point is less than 50 C it will not alter This is a safety feature Master Controller Another Controller Master Controller Depending on the weather conditions and the length of the pipe between the heater and the tap in use there may be a variation between the temperature dis played at the controller and the tempera ture at the tap Temperature priority can not be switched to another controller when the water is flowing through the water heater Control
20. gs can be added to secure the unit The appliance must be in an accessible location Sufficient clearances shall allow access to and removal of all serviceable components The unit should be mounted high enough that the flue terminal will be above head height If the terminal is below 2m a guard must be put around it Multiple heater installations can be installed with the heaters manifolded together The minimum distance required between the heaters is based on the installation of the flue Refer to page 9 for more information on flue installation Although the flue and appliance have been specially designed to prevent condensation in the flue for short runs under 1 5m care should be given to the placement of the terminal to prevent risk in the unlikely event of condensation Condensation water can cause burns and during winter could cause a slip hazard It is the responsibility of the installer to decide the best place for the terminal as every situation is different INSTALLATION INSTRUCTIONS VENTILATION General Information The unit must be installed by a competent authorised person lt is the installer s responsibility to ensure that the unit has been installed to all current requirements The Rinnai Infinity 26i and HD50i are room sealed appliances Ventilation requirements of BS 5440 allow room sealed appliances to be installed in spaces and rooms including bedrooms without ventilation If the Rinnai Infinity 26i or HD50
21. hrough these steps again If heater is still not working call your local service agent or Rinnai for assistance 35 WIRING DIAGRAM COMBUSTION FAN Ay BY PASS FLOW o N CONTROL DEVICE E HEAT EXCHANGER ui amp THERMISTOR Cor wile OUTGOING WATER ey THERMISTOR er wlll yy AIR TEMPERATURE ne THERMISTOR Lem well Loy Y HTA Or 4 WATER FLOW Gy CONTROL DEVICE THERMAL FUSE R R El ER By WATER FLOW SENSOR i l BHED AT sei FLAME ROD L_ H MODULATING SOLENOID VALVE Fok COLOR CODING W White Bk Black br Brown R Red B Blue Y Yellow P Pink OrOrange Gr Green Gy Grey rg C wha a HIGH SETTING POT DIP SWITCH 1 Flue length Temperature contral Gas pressure Gas type DIP SWITCH 2 MC 91 1A uw se gt 77 MC 91 1A 3 Es RASO MAIN SOLENOID VALVE ek Hut SOLENQID VALVE 1 S12 SOLENGID VALVE 2 El 1513 SOLENOID VALVE 3 A SPARK ER ELECTRODE IGNITER TRANSFOMER SURGE PROTECTOR A E I ANTI FROST HEATER en E I ae A Y HE WN FUSE Re ah FROST SENSING SWITCH I I ANTI FROST HEATER DIE ony GND ACZ 35 DIAGNOSTIC POINTS Diagnostic Points To be read in conjunction with the wiring diagram Edd pa rns NORMAL gt A NOTE O SURGE PROTECTOR J7 J mer acmma tms A ca 2 WATER FLOW ar GEBE DC1V LIMITER ON FL OPEN POSITION CONTROL DEVICE DC4 6V LIMITER OFF A DCIV LIMITER
22. i is installed in a compartment it must have the following amount of permanent ventilation Ventilation from compartment to room 540 cm at high level AND 540 cm at low level Ventilation from compartment directly to outside 270 cm at high level AND 270 cm at low level The area given is the free area of the vent or equivalent free area for ventilators of more complex design Any space taken up by grille louvers should be subtracted from the total area to find the free area of the vent Windows and doors can not be considered ventilation unless they are permanently fixed in the open position Please refer to IGE UP 10 Part 1 Edition 2 for further information or contact Rinnai UK INSTALLATION INSTRUCTIONS CONNECTIONS Water Supply Where the water supply pressure exceeds 12 bar an approved pressure reducing device is required at the inlet of the appliance To achieve the rated flow a minimum water supply pressure of 1 4 bar is required at the appliance inlet The unit will operate at lower supply pressures but the rated flow will not be achieved Contact Rinnai for gravity fed or low pressure hot water installations Water pipe sizing and layout should be designed correctly to ensure the given water flows from the appliance are available All hot water pipework should be insulated to optimise maximum performance and energy efficiency Water Connection Connect the hot and cold water supply pipes An appro
23. ice 38 SERVICE CONTACT Ninnal UK LID 9 Christleton Court Manor Park Runcorn Cheshire WA 1ST Tel 01928 531870 Fax 01928 531880 E mail info rinnaiuk com Web www rinnaiuk com REU V2632FFU 28 1 5 rev3 IS COMMISSIONING CHECK LIST For full details Refer to Installation Instructions Attention Installer have you checked Gas supply pipe is purged of foreign matter before connection For Hot and Cold cross connections i e Capped breaches shower mixers taps closed and reversed Flick Mixer connections IS IN That isolating valves are not connected directly to the appliance and there is means of disconnection after the isolating valve IH e Have you cleaned cold water inlet filter That plumbing connections are correct HOT o o fh ie Is appliance inlet gas pressure correct with all appliances operating ig ng Do the Master Controllers if fitted operate correctly an Have you checked water temperature at all outlets Have you shown the customer how to operate the Temperature Controllers If fitted Have you explained to the customer the minimum flow rate required to operate the unit N IN IWIN NINN N Have you explained to the Customer the Benefits of Controllers If not fitted and that they can be added later S 40
24. ler 1 Controller 2 in use cannot take priority Do not clean the remote control with solvents or detergents Use only a soft damp cloth If a temperature higher than 42 C has been selected on the Universal control ler and priority of temperature selection is transferred to another controller or con troller is turned OFF then back again or turned ON again the temperature will automatically drop to 42 C Ifthe set point is less than 42 C it will not alter This is a safetv feature Universal Controller Universal Another Controller Controller TESTING Z CAUTION 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 Remove test point screw located on the inlet gas valve connection inside the heater and attach pressure gauge 5 Turn the power on at the switch and turn on gas Warning There are 230V AC live supplies inside the heater 6 If remote controllers are fitted turn the controller on select the maximum delivery temperature and open ALL available hot water outlets If remote controllers are not fitted simply open all available hot water outlets CAUTION Ensure building occupants do not have access to hot water outlets during this procedure 7 The ga
25. ly for young children and the infirm The water heater allows you to control the temperature of your hot water to safe levels Water temperature over 50 C can cause severe burns instantly or even death from scalding Children disabled and the elderly are at the highest risk of being scalded by excessively hot water Always test the temperature of the water before bathing or showering Burns from hot water taps can result in very severe injuries to young children Hot water at 65 C can severely burn a child in less than half a second At 50 C it takes five minutes Burns can occur when children are exposed directly to hot water or when they are placed into a bath which is too hot Do stay with children whenever they are in the bathroom e Consider child resistant taps Do take them out of the bathroom if or inexpensive tap covers you need to answer the phone or both of which prevent a child s door hand from turning on the tap Do test the temperature of the water Consider reducing the with your elbow before placing your temperature of the water sup child in the bath plied to the hot tap to 50 C Do make sure that the tap is turned This approach can be extremely off tightly valuable because it requires a one time action for a long term Do consider setting your Rinnai reduction in risks of scalds Infinity or HD50i at a maximum This type of automatic protection temperature of 50 C is important du
26. mperature Without temperature controller fitted The heater should automatically reset and provide water at the temperature set by the internal limit switches RESTARTING THE RINNAI WATER HEATER Following a power cut the heaters should be restarted in this manner Standard system Single or multiple water heaters without remote controllers The heaters will automatically reset without any user involvement Single or multiple water heaters with remote controllers The heaters will be required to be switched on using the ON OFF button on a remote controller Ensure that all taps water outlets are closed and no water is flowing through heaters Hot water system incorporating secondary recirculation pump Single or multiple water heaters without remote controllers The heater s will automatically reset without any user involvement Single or multiple water heater s with remote controller s To reset the heaters follow the steps 1 Turn off all hot water taps 2 Turn off supply to secondary circulating pump or alternatively if heater and pump are fed from the same electrical supply isolate pump flow 3 Turn on heater at remote control 4 Select required temperature 5 Switch on supply to secondary circulating pump or open valve on pump flow The heater will now be ready to supply water at the set temperature If following the above procedure does not reset the heater switch it on and off at its main supply and then go t
27. nstalled without Temperature Controllers the appliance will operate automatically as soon as a hot water tap is opened 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 HOT COLD Rinnai Infinity water heaters without controllers are factory pre set to a temperature limit of 55 C Rinnai Heavy Duty HD series are factory pre set to a temperature limit of 65 C Other limits lower or higher are available on request for both the Infinity and HD range Temperature controllers are available that allow precise digital temperature control Higher temperatures may be necessary for circulation loop systems Controllers can be easily added at any time after installation TEMPERATURE CONTROLS GENERAL When deciding on the best position for the temperature controls the following points should be taken into account e Fit the controls out of reach of children suggested height from the floor 1 5m e Avoid positions where the controllers will become hot Do not fit them near stoves or ovens or above radiators or heaters e If possible avoid exposure to direct sunlight or positions where bright lights will make the digital display difficult to read e Position away from areas where the controller will be prone to splashing by cooking products such as oils and fats e The temperature controllers are water resistant how
28. on the main Sufficient gas must be available at the appliance if correct operation is to be expected An approved gas isolation valve must be fitted at the gas inlet A union or release fitting should be installed after the isolation valve Electrical Connection The appliance must be earthed The appliance is suitable for 230VAC 50Hz mains only and all wiring must be carried out to the E E regulations latest edition The heater electrical supply must be provided with a fused 3A local isolator with a contact separation of 3mm minimum on all poles for servicing Observe polarity and ensure that wiring is correctly restrained FLUE REQUIREMENTS POSITIONING Dimension Terminal Position Distance A Directly below an opening air brick opening windows etc 300mm Above an opening air brick opening window etc 300mm Horizontally to an opening air brick opening window etc 300mm Below gutters soil pipes or drain pipes 75mm Below eaves 200mm F Below balconies orcarportroof 200mm G Fromavertical drain pipe or soil pipe 150mm From an internal or external corner 200mm 1 Above ground roof or balcony level 300mm 600mm 1200mm J inal K From an opening in a car port e g door window into a dwell L ing 1200mm M Vertically from a terminal on the same wall 1500mm N Horizontally from a terminal on the same wall 0 Fiom the wall on which the terminal is mounted From a vertical structure on the roof N
29. p enougn Fit wall plugs if needed ensure controller is level _ 90 ee a m a a r a a a a o oa a a n a ie 3 Run the cable provided through the hole in the wall ensuring that the end fitted with the connector is nearest the controller fig 2 4 Remove the face plate from the controller using a flat screwdriver Take care not to damage the cover fig 3 5 Connect the cable to the temperature controller 6 Fix the controller to the wall and fasten with the phillips head screws as shown in fig 4 7 Remove the protective plastic film from Remote Control the controller face as shown in fig 4 Gable Connector fig 3 8 Replace the face plate Face Plate f ar TEMPERATURE CONTROLS INSTALLATION Connecting One or Two Controllers 1 Isolate the power supply 2 Remove the front cover from the Appliance 4 screws fig 1 3 Thread the cable through the cable access hole at the base of the appliance 4 Connect the spade connectors to the terminals marked Remote Control on the printed circuit board fig 2 Polarity is not important Either wire colour can be connected to either terminal 5 Replace cover of the Appliance Ensure that the special earth screw is placed at the bottom right hand corner for earthing purposes Connecting Three Controllers 1 Isolate the power supply 2 Remove the front cover from the Appliance 4 screws fig 1 dd 3 Thread the cables through
30. require adjustment during installation Perform this procedure only if the unit is not operating correctly and all other possible causes for incorrect operation have been eliminated Contact Rinnai UK before attempting to alter the gas pressure Failure to do so could void the warranty 1 Turn OFF the gas supply 2 Turn OFF 230V power supply 3 Remove the front cover from the appliance 4 Check gas type switch no 1 of SW2 is in the correct position for the type of gas Nat or LPG you are using SW2 is bottom set of switches off on SW2 off on SW2 1 Nat Gas 1 LPG 2 2 3 3 4 4 On is in the forward position Off is in the back position Pull the switch toward you to put it in the on position go fig 2 5 Attach pressure gauge to burner test point fig 2 6 Turn ON the gas supply 7 Turn ON 230V power supply 8 If remote controllers are fitted turn the unit ON at the master controller select a maximum delivery temperature and open a off on SW1 hot water tap fully CAUTION Ensure 4 building occupants do not have access to hot water outlets during this procedure 2 3 9 Set the Rinnai Infinity to Forced Low 4 combustion by setting No 7 dipswitch of the 9 top set of dip switches SW1 to ON fig 3 6 T 8 10 Check the burner test point operating ressure p fig 3 29 GAS PRESSURE SETTING 11 Remove rubber access plug and adjust the regulator screw on the
31. ring times when a parent or carer has been Do install a child proof tap cover distracted OR Do install a child resistant tap Do not leave a toddler in the care of another small child The older child may not have safely set the temperature 14 IMPORTANT INFORMATION Always check water temperature before Refer to warning about hot water on page 14 for important safety information The Infinity 26i and HD50i control the water temperature automatically For high temperatures it may reduce the flow The water from the hot tap may be reduced after the temperature shown on the remote control is raised The water flow may also vary with the temperature of the incoming water supply Keep flammable materials trees shrubs chemicals etc away from the flue outlet Hot water may go out without warning at low water flows If freezing temperatures are expected turn off the water and gas and drain the water heater 1 Water Off 2 Gas Off 3 Drain Water If the power is left on the Automatic Frost Protection will prevent the unit from Freezing Frost protection is standard on all units Do not touch the unit cover or the flue outlet Do not insert objects into the flue outlet On cold days steam may be discharged from the flue outlet This is normal do not be alarmed It does not indicate a fault OPERATION WITHOUT REMOTES Rinnai Infinity and HD products have no pilot light and when i
32. s Rinnai water heaters in conjunction with storage tanks Any application that uses Rinnai water heaters in conjunction with a flow return system Water heaters installed as components of centralised bulk hot water systems Situations defined as Commercial Use MUST have the Rinnai HD range of water heaters to be eligible for the Commercial Use warranty Rinnai Infinity units used in Commercial Situations are only subject to a 1 year warranty across the board No Rinnai warranty will cover faults arising from improper installation or gas supply water contaminants beyond defined limits environmental factors plumbing fittings or other outside influences of which Rinnai is not responsible Service calls for these issues will be chargeable ne Total Dissolved f f ao i 6 5 9 0 600 mgllitre 200 mg itre 300 mg litre 10 mg litre 20 mgllitre 150 mgllitre 1 mgllitre CONTENTS cli AAA ue eatin EEEa EAE 2 Unpacking Rinnai Water Heater coc ccccccce ec ccc cee eeeenaeeeeeeeeesaeeeeeseeeeeeggaaees 3 Installation INSWUCHORS aeaa ea 4 FF ES Regufemen arena 8 DIMENSIONS a ts 10 Tecnica Dali ee ies 11 Features and Benells 24 52 4 uuuuu eran ne 12 IMPOMantINIONMAUON sna EU id 13 Operation without Remotes 0 cece eee eee eee eee nsec eee eeeeeeeeeeteeeenaeeeeteteenaaeas 15 Temperature COMMU Seine iaa 16 o A leere 21 Gas Pressure Sendai caiga deleita 28 DIP SWITCH SENO ne anne aaa RER 30 Error MESSAGES
33. s pressure check must be carried out with all other appliances on the same main operating at maximum capacity to ensure that there is sufficient gas pressure 8 With all other appliances operating the pressure at the test point on the inlet to the gas valve should read 20 mbar for Natural Gas For LPG Propane the pressure should be 37 mbar If the pressure is lower the gas supply is inadequate and the water heater will not operate to specification Check gas meter regulator and pipework for correct operation sizing and rectify as required Note that the gas regulator on the appliance is electronically controlled and factory pre set Under normal circumstances it does not need adjustment during installation 9 Close hot water outlets 10 Inspect and clean the strainer and the filter located on the cold water inlet pipe This procedure may need to be repeated to ensure the strainer remains clear 11 If temperature controllers are fitted it is necessary to test their operation through the complete range of functions 12 Confirm the hot water delivery temperature using a thermometer If controllers are fitted compare the measured value to the set point 13 After testing is completed explain to the user the functions and operation of the water heater and temperature controllers 28 GAS PRESSURE SETTING The working gas pressure on the water heater is electronically controlled and factory set Under normal circumstances it does not
34. ss of rain The drain pipe should be run in 22mm PVC uPVC or ABS pipe copper is not recom mended The drain pipe MUST be trapped A trap with pipe is available from Rinnai UK 10 C gt O z j z U j t7 gt N O 5 5X 2 5 5X24 ER LONG HOLE N Note All dimensions are in mm A DIMENSION TECHNICAL DETAILS vse oo Ju PO IO E instalation mema mema Height 00 w mm Flue System DrectForced ven Controllers 60 65 75 60 65 75 85 ignition Drect Electronic lonitton Gas Consumption Low A Gas Consumption High rr Power suppy zovom Electric Consumption s0 80 was Factory Setting Minimum operation flow based on temperature setpoint and inlet conditions FEATURES AND BENEFITS Congratulations on purchasing the Technologically Advanced Temperature Controlled Rinnai Hot Water System e The Rinnai Infinity 26i and HD50i 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 e Built into the main micro processor is the facility to LIMIT THE MAXIMUM TEMPERATURE of the hot water supplied The water temperature may be limited to various maximum temperatures This is particularly useful when the hot water unit is installed where young children or the infirm may be using the hot water The Infinity 26i is delivered with a preset temperature of 55 C
35. ter supply or gas water quality and installation errors are not covered by the manufacturer s guarantee 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 O e me Heater does not attempt Check the power is on at the heater to start at all Check the cold water valve supplying the heater is open Heater starts then shuts Check the power is on down immediately Check the gas valve at the heater and at the gas meter is fully open Open the hot water tap fully Heater starts then the Check the power is on water goes cold Open your hot water tap further or try another hot outlet NOTE Faults caused by insufficient gas water supply or gas water quality and installation errors are not covered by the manufacturer s guarantee Installations with circulation pumps With temperature controller fitted If you have an installation using a secondary circulation pump this must be switched off so that there is no flow through the heater when starting or after a power failure If the pump is running the unit will not operate no display on the controller Isolate pump then start heater before restarting pump This is a safety feature The pump should also be fitted with a thermostat to prevent the return temperature reaching the heater set point te
36. th all Infinity water heaters and are optional for the HD range TRANSFER BUTTON DIGITAL OPERATION Used to transfer between the MONITOR INDICATOR temperature controllers The controller with priority Indicates that a hot water tap has command of hot water 1s open in any location delivery temperature Indicates the temperature sclected Error message flashes in the cvent of a fault Hot water temp Q N TEMPERATURE CONTROL BUTTONS Used to select water temperature ON OFF BUTTON Indicates if this temperature Used to switch temperature controller is in control of controllers on and off water delivery temperature ON INDICATOR NOTE 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 This can be done for each Temperature Controller To return to original settings repeat this step 21 TEMPERATURE CONTROLS OPERATING Using 1 Universal Temperature Controller Press the On Off button on the temperature controller The ON indicator will glow on the Temperature Controller This indicates that the heater is ready to supply hot water when a tap is opened Adjusting Temperature Simply press the Hot Water Temperature Up or Down arrow button until the desired temperature is displayed on the digital display To operate the heater simply turn any hot water t
37. ved isolation valve and strainer MUST be installed in the cold water inlet pipe An approved isolation valve should be installed in the hot water outlet pipe There must be a union or release fitting on the heater side of the isolation valves A non return valve is not required unless dictated by local regulations A pressure relief valve should be installed in the pipework to discharge safely into a suitable drain when the system has a flow and return or tank Positions of the cold water inlet hot water outlet and gas connections are shown on page 11 All connections are inch BSP This is NOT an indication of the pipe sizes required If the heater is in a hard water area a suitable water conditioning device should be in stalled to prevent the build up of limescale within the heat exchanger Heat exchangers damaged by scaling are not covered by the manufacturers guarantee Guidelines are given below Ifthe local water exceeds these values the heater must be protected TOR Total Dissolved f f p Solids TDS 99 Hardness Gondes lll 20000 600 mg litre 200 mg itre 300 mg litre 10mglitre 20 mgitre 150 mgflitre 1 mgllitre Gas Connection Check pipe sizing required for the heater input The heat input for the Infinity 26i and HD50i is 54 kW Refer to BS6891 Natural Gas and BS5482 Propane for guidance on correct pipe sizing calculation Check that the size of the gas meter and pipework will be sufficient for all appliances
Download Pdf Manuals
Related Search