Rinnai R63LSE2 User's Manual
Contents
1. DESCRIPTION R63LSe2 R98LSe R75LSe R98LSe ASME R94LSe in mm in mm Ls es 3sems es freg wma xem Jens Conecton fom 248 1 6 41 1 6 41 2 VA Series Outdoor LS Manual 35 Ladder Diagram HOT NEUTRAL FROST SENSING 3A FUSE SWITCH D zt ANM ARRESTER lt EE ANTI FROST HEATER VARISTOR WATER FLOW A MODULATING SENSOR SOLENOID WATERFLOW VALVE Q SENSOR CIRCUIT WATER FLOW Mg W WATERFLOW CONTROL DEVICE CIRCUIT I I BY PASS FLOW I Q CONTROL DEVICE CIRCUIT I 59 COMBUSTION FAN I BY PASS SERVO MODEL ONLY RELAY DRIVING CIRCUIT FLAME ROD FLAME DETECTING CIRCUIT OUTGOING WATER AS THERMISTOR HEAT EXCHANGER THERMISTOR AKAP THERMISTOR CONTROLLER CIRCUIT CONTROLLER INDOOR MODEL ONLY 36 VA Series Outdoor LS Manual Consumer Support Warranty Information The installer is responsible for your water heater s correct installation Please complete the information below to keep for your records Purchased from Address Phone Date of Purchase Model No Serial No Installed by Installer s License No Address Phone Date of Installation Limited Warrant What is covered2. 5 sn uondioseq Jou 27 VA Series Outdoor LS Manual Additional Clearances Vent Terminal Local codes supersede these clearances 28 Avoid termination locations near a dryer vent Avoid termination locations near commercial cooking exhaust 36 0 91 m to ventilated or unventilated soffit or eve vent or n to a deck or porch 0 30 to inside corner 50 mm between Rinnai terminals at same level INSIDE CORNER VA Series Outdoor LS Manual High Altitude Installations Set dip switches 2 and 3 to the values shown in table below for your altitude The default setting for the appliance is 0 2000 ft 0 610 m with switches No 2 and No 3 in the OFF position Switch No 2 Switch No 3 0 2000 ft 2001 5200 ft 5201 7700 ft 7701 10200 ft 0 610 m 610 1585 m 1585 2347 m 2347 3109 m A WARNING PONOT adjust the other dip switches unless specifically instructed to do so Switch No Switch N 0 Switch Switch Ft FE oN O Q Connecting Multiple Wate
3. 3 4 Union Circulating Pump for and configuration of the particular system being installed The drawing does not imply compliance with local building code Check Valve Fed Boiler Drain Valve requirements It is the engineer contractor responsiblity to ensure the installation is in accordance with all local building codes Confer K Pressure Relief Valve Solenoid Valve with local building officials before installation VA Series Outdoor LS Manual 25 Flue Terminal Clearances ANS Z21 10 3 CSA 4 3 Q3 LLIINSH3d LON SI JH3HM Alddns TWNIWYSAL LN3A g X 719140 3S3N3D2S 3G ISNI VA Series Outdoor LS Manual 26 Flue Terminal Clearances ANS Z21 10 3 CSA 4 3 JO S JUsWAJINbe y pue sepoo uollje su E90 92U amp pJO2O Ul seoueJeop L 6pLg VSO 10 S Vd JNIL ECCZ ISNV ul payloads you 104 BU u e u q s pis JO e uo u do si uoojeq JO yoap uoJod Ji pue Buis ow u wq q si yey pened Jo e JOU JUSA V oe seuout zL N Jo 4oep uoJod
4. Jepun uo pejeoo b WELZ 169 Z JO yJemapis 1 j eyjuozuou 199J OL 91 1981 9 ejut Ajddns e o e2ueJea o M 6 199 eouei dde Aue o og z 6 96 J u uonsnquioo y 10 Ajddns eoueJeog 2 6 9g o soUBIeS D quuesse 29 e oqe t S y 1991 uBi u JO epis o 2 H 6 199 e2ueJeo 2 JeuJoo episino 92ueJeo 2 3 POS o 3 99 JO Jejueo eui 9 199 Z Jo eouejsip JeJUOZIIOY e 94 q Jos LIAA MOPUIM eoueJea 2 9 o 6 Joop JO MOPUIM og seuour og seuour RUGOIEG Jo 06 cv 06 cv uoJod epeJ6 2
5. Open your pressure relief valve if unit fires there is bleed over in your plumbing Ensure you have at least the minimum flow rate required to fire unit Ensure turbine spins freely Measure the resistance of the water flow control sensor Check for DC shorts at components VA Series Outdoor LS Manual Trouble Shooting for Common Issues I don t have any hot water when l open the tap Make sure there is gas water and electricity to the Rinnai water heater power is turned on and the gas is turned on When was using the hot water the water got cold If you adjusted the flow from the tap to lessen it you may have gone below the minimum flow required The Rinnai Water Heater Requires a minimum flow rate to operate See the specification page for the flow rate of your model Decrease the temperature setting at the temperature controller or increase the water flow White smoke comes out of the exhaust During colder weather when the exhaust temperature is much hotter than the outside air the exhaust fumes condense producing water vapor When l open a hot tap do not immediately get hot water Hot water must travel through your plumbing from the Rinnai water heater to the faucet The time period for hot water to reach your fixture is determined by the amount of water in the plumbing system between the water heater and the fixture water pressure and the flow rate of the fixture After turn off the hot water
6. water filter cold line VA Series Outdoor LS Manual 21 Freeze Protection Pipin Warranty does not cover damage due to freezing The unit may be drained manually However Rinnai highly recommends that drain down solenoid valves be installed that will automatically drain the unit if power is lost Rinnai also recommends the installation of a surge protector with terminals that attaches to the PC board in the unit and allows the solenoid valves to operate if the unit is disabled due to an error code When the electrical power to the water heater fails the 3 4 solenoid valve closes stopping the flow of water into the heater and the 1 2 solenoid valve opens allowing the water heater and associated piping to drain Ensure that you run the drain for the solenoids to the outside environment to prevent discharging water inside the building causing water damage NOTE Heat trace ALL water pipe and fittings located outside home attic crawl space or building structure ALL water pipe and fittings shown above the dashed line in the drawing NOTE ALL pipe and fittings shown below dashed line Minimum 3 4 Hot Water Supply Line should be located inside home or building structure The vacuum breaker line should be located inside the building structure KEY V Pressure Regulator 3 4 Union Circulating Pump PNN Check Valve Boiler Drain Valve Pressure Relief Valve Solenoid Valve 3 4 Ba
7. This Warranty covers any defects in materials or workmanship when the product is installed and operated according to Rinnai written installation instructions subject to the terms within this Limited Warranty document This Warranty applies only to products that are installed per local and or state codes Improper installation may void this Warranty Rinnai strongly suggests that you use a state qualified or licensed installer who has attended a Rinnai product knowledge class before installing this water heater This Warranty extends to the original purchaser and subsequent owners but only while the product remains at the site of the original installation This Warranty only extends through the first installation of the product and terminates if the product is moved or reinstalled at a new location How long does coverage last VA LS Series Period of Coverage from date of purchase E Used with Rinnai Air Handler Commercial Applications for domestic heating and water including radiant heating Note Period of coverage is reduced to 3 years from date of purchase when used as a circulating water heater within a hot water circulation loop where the water heater is in series with a circulation system and all circulating water flows through the water heater and where an on demand recirculation system is not incorporated On demand recirculation is defined as a hot water recirculating loop or system that utilizes existing h
8. adjacent to the appliance or to lower floors of the structure When such locations cannot be avoided it is recommended that a suitable drain pan adequately drained be installed under the appliance The pan must not restrict combustion air flow The flow of combustion and ventilation air shall not be obstructed This appliance is not suitable for use in an application such as a pool or spa heater that uses chemically treated water This appliance is suitable for filling large or whirlpool bath tubs with potable water If a water heater is installed in a cosed water supply system such as one having a backflow preventer in the cold water supply line means shall be provided to control thermal expansion Contact the water supplier or local plumbing inspector on how to control this situation Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance Keep the air intake location free of chemicals such as chlorine or bleach that produce fumes These fumes can damage components and reduce the life of your appliance VA Series Outdoor LS Manual 17 Clearances from Appliance Combustibles Combustibles 2 inches 51 mm 0 zero 0 zero Top of 12 inches Heater 305 mm Back of Heater Front 24 inches zero Panel 610mm Front 24 inches 24 inches Exhaust 610mm 610 mm Sides of 6 inches 1 8 inches Heater 152 mm 3 2 mm Floor 12 inches 2
9. direct sunlight The digital display may be difficult to read in direct sunlight Configurations A maximum of 4 temperature controllers including wired and wireless can be installed for a water heater or bank of water heaters Controllers can only be wired in parallel Controllers cannot be wired in series The 4 temperature controllers can consist of multiple MC 91 s or MC 502RC s but only 1 BC 100V and only 1 MC 100V Any one of the 5 types of controllers can be installed by itself and still operate the water heater All functions will be available with the exception that the clock function on the BC 100V will only be available if an MC 100V is also connected If 4 MC 91 s are installed simultaneously press the Priority and On Off buttons on the fourth controller until a beep sound The table to the right shows some of the possible combinations of controllers Cable Lengths and Size The cable for the temperature controller should be a non polarized two core cable with a minimum gauge of 22 AWG The maximum cable length from each controller to the water heater depends on the total number of wired controllers connected to the water heater 30 Avoid locations where the temperature controller could be splashed with liquids Do not install in locations where it can be adjusted by the public Controllers o Rinnai 17 Wire con
10. inches Ground 305 mm 51 mm The clearance for servicing is 24 inches in front of the water heater Attachment of the Water Heater 2 1 Identify the installation location and confirm that the installation will meet all required clearances 2 Securely attach the water heater to the wall using any of the holes in the wall installation brackets which are at the top and bottom of the water heater Ensure that the attachment strength is sufficient to support the weight Refer to the weight of the water heater in the Specifications section to floor ground oo 0 o wall installation brackets 22 AA 0 0 18 Series Outdoor LS Manual Electrical Connection The water heater must be electrically grounded in accordance with local codes or in the absence of local codes with the most recent edition of the National Electrical Code ANSI NFPA 70 In Canada all electrical wiring should be in accordance with local codes and the Canadian Electrical Code CSA C22 1 Part 1 Do not rely on the gas or water piping to ground the water heater A screw is provided in the junction box for the grounding connection The water heater requires 120 VAC 60 Hz power from a properly grounded circuit A disconnect switch must be provided and installed for the incoming 120 VAC power It should be a type that is suitable for outd
11. nonpotable water heating appliance Ensure that the water filter on the Rinnai water heater is clean and installed The relief valve should be added to the hot water outlet line according to the manufacturer s instructions DO NOT place any other type valve or shut off device between the relief valve and the water heater Do not plug the relief valve and do not install any reducing fittings or other restrictions in the relief line The relief line should allow for complete drainage of the valve and the line e Ifa relief valve discharges periodically this may be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the relief valve Neither Rinnai nor the American National Standard ANSI Z21 10 3 Canadian Standard CSA 4 3 requires a combination temperature and pressure relief valve for this appliance However local codes may require a combination temperature and pressure relief valve The solenoid valves and surge protector with terminals are available for purchase at Rinnai NOTICE If the water heater is not going to be used during a period of possible freezing weather it is recommended that the water inside the water heater be drained Manually drain the water 1 Shut off cold water supply Open hot water tap or open hot water drain valve Remove filter to drain the cold water
12. temperature controller has not been powered for setting at least 6 hours then the temperature will return to the default setting of All hot water sources are able to 104 F 40 C if power is interrupted provide water at this temperature setting until it is changed again at NOTICE There may be a variation between Hot water temp this or another temperature the temperature displayed on the controller temperature controller and the temperature at the tap due to weather conditions or the length of pipe to the water heater Temperature Options Without a Temperature Controller The default temperature setting for this appliance 120 F 49 C 140 F 60 C installed without a temperature controller is 120 F Switch No Switch No 49 C If desired the temperature setting can be changed to 140 F 60 C by adjustment of a dip oN ON switch 2 2 Set dip switch 5 to ON to obtain 140 F water 3 3 temperature setting ME FEIERN Set dip switch 5 to OFF default to obtain 120 F 5 water temperature setting 6 6 7 7 A WARNING PONOT adjust the other dip 8 8 switches unless specifically instructed to do so 8 VA Series Outdoor LS Manual Temperature Ranges This water heater will attempt to provide hot water at the temperature setting even when th
13. 0 F 60 C Minimum Temperature Setting 98 F 37 C I 46 Ib 55 Ib Weight 21 kg 25 kg Efficiency Rating 83 0 Noise level 49 dB A Consumption Standby 2 W Anti frost Protection 100 W 116 W Minimum Gas Supply Natural Gas 5 0 inch W C Pressure 8 0 inch W C Maximum Gas Supply Natural Gas 10 5 inch W C Type of Appliance Temperature controlled continuous flow gas hot water system With or without temperature controls mounted in kitchen bathroom etc Gas Supply 3 4 MNPT Cold Water Inlet 3 4 MNPT Hot Water Outlet 3 4 MNPT Maximum Water Supply Pressure 150 PSI Temperature Control Cable Non Polarized Two Core Cable Minimum 22 AWG Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature for commercial and hydronic applications requiring higher temperatures Rinnai is continually updating and improving products Therefore specifications are subject to change without prior notice The maximum inlet gas pressure must not exceed the value specified by the manufacturer The minimum value listed is for the purpose of input adjustment VA Series Outdoor LS Manual 3 Consumer Safety Information Safety Definitions AN This is the safety alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others A DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARN
14. 4 13 Restore electrical power to the water heater 5 gallon pail of virgin food grade white vinegar or virgin 2 food grade citric acid Circulating Pump KEY ioi 3 4 Ball Valve V Pressure Regulator 3 4 Union O Circulating Pump T Check Valve Boiler Drain Valve Ki Pressure Relief Valve 19 Solenoid Valve 16 Series Outdoor LS Manual Installation Instructions Only properly trained and qualified installers should R63LSe2 REU VA2024WD A UC install this appliance The warranty may be voided due to improper installation or installation by a non R 5LSe REU VA2528WD A UC qualified installer R94LSe REU VA2535WD UC Rinnai highly recommends all installers attend a product knowledge class For information on a Rinnai Training Course or for questions on installation call 1 800 621 9419 General Instructions WARNING Do not use substitute materials Use only parts certified with the appliance This appliance must be installed by a state qualified or licensed contractor It is the responsibility of the person having the water heater installed to ensure the installing contractor has proper licenses and permits for installing water heaters in your location Rinnai highly recommends that installers attend a product knowledge class to ensure customer satisfaction and warranty coverage Failure to comply with state and loc
15. Code 03 appears on the controller If power is lost after the bath has filled but before the bath fill function button is de selected then the water will not flow during the power loss or after the power is returned Once power returns close the hot water tap and de select the bath fill function No error code appears The bath fill function will not work properly if it is connected to multiple water heaters The tub will overfill because the bath fill function is not able to measure the water volume when connected to multiple water heaters Do not use with single handle fixtures that have anti scald features built into them These fixtures allow a predetermined amount of cold water which is not taken into account by the bath fill function Be careful not to overfill the bath An average bath volume is 60 gallons When filling the bath using this function for the first time e Monitor and remain by the bath while the water is running Use a low bath fill volume less than 25 gallons Using the Water Smart Bath Fill Function Filling the Tub 1 Press the Water Smart Bath Fill To stop the water flow during the Bath button once The button will NOTICE WaterSmart l Fill function press the Water Smart illuminate a tone will sound and Bath Fill button The button will flash Bath Fill i d the word Bath will appear next to To Stop the and the voice prompt will announc
16. Controller Installation mH 30 Configurations 30 Cable Lengths and Size 30 Mounting the Controller 31 Operating Instructions 32 Technical Data Pressure Drop Curve 33 Outlet Flow Data 33 Space Heating ise 34 Dimensions viii eii fei dieta ees 35 Ladder Diagram sea 36 Consumer Support Warranty Information 37 Limited Warranty 37 38 VA Series Outdoor LS Manual Specifications R98LSe Minimum Gas Consumption Btu h 15 000 19 000 Maximum Gas Consumption Btu h 150 000 180 000 199 000 237 000 ma MT 0 6 6 3GPM 0 6 7 5GPM 0 6 9 4 GPM 0 6 9 8 GPM pacity 2 3 24 Limin 2 3 28 L min 2 3 35 5 L min 2 3 37 Limin 5 5 6 6 7 4 8 7 GPM rot water capacity 15 Fo 20 8 Limin 25 Limin 28 Limin 33 L min Default Temperature Setting no controller 120 F 49 C Temperature Controller Default Setting 104 F 40 C Maximum Temp Setting Commercial 160 F 71 C 185 F 85 C Maximum Temp Setting Residential see Temperature Ranges for more information Selectable at 120 F 49 C or at 140 F 60 C 14
17. ING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury It may also be used to alert against unsafe practices Safety Behaviors and Practices WARNING e Keep the area around the appliance clear and free Any alteration to the appliance or its controls can be from combustible materials gasoline and other dangerous and will void the warranty flammable vapors and liquids Always check the water temperature before entering Do not use this appliance if any part has been under a shower or bath water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Safety Features Overheat The appliance will automatically shut Power Surge Fuse A glass fuse protects against down when the appliance exceeds a predetermined overcurrent If the fuse blows then all indicator temperature lamps will be off Flame Failure The appliance will automatically Fusible Link In case the overheat feature does shut down if the burner flame is extinguished not prevent the temperature from rising then the Powerkailure The applianee will cutoff the gag Tt fusible link will break shutting off the appliance it loses electrical power 4 VA Series Outdoor L
18. NECTION TERMINALS Remove the cover of the Rinnai water heater Remove the plastic cover from the PCB and d electrical connections fo c GL HN 10 Thread the cable through the access hole at E the base of the unit and connect the wires to the controller terminals on the right hand side bottom of the PCB 11 Secure the controller cable using the clamp provided CN 42 feit J S1YNIWNSI 12 Replace plastic cover over PCB and then replace the cover of the Rinnai water heater CABLE CLAMP VA Series Outdoor LS Manual 31 Operating Instructions MS FOR YOUR SAFETY READ BEFORE OPERATING EP EB A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than a
19. S Manual Description of Operation The Rinnai water heater is one of the most advanced Installation of the temperature controller is highly water heaters available It provides a continuous recommended The temperature controller can set the supply of hot water at a preset temperature This temperature within a specific range and can provide appliance is direct vent where air is brought in from the error codes to diagnose any problems Outside gases are exhalisted The temperature of the outgoing hot water is constantly onside monitored The Rinnai water heater may adjust the While electricity water and gas supplies are water flow in order to maintain the temperature setting connected the Rinnai water heater produces hot water The water flow may vary from summer to winter due to whenever a hot water tap is open the difference in ground water temperature Ignition is electronic There is no pilot light consuming gas while the water heater is not being used The gas burner lights automatically when the hot water tap is opened and goes out when the tap is closed Operating Instructions Features Available on Temperature Controllers The MC 91 temperature controller is supplied with the appliance Additional functions are available through the use of optional controllers Description Call Sends a short series of beeps to all controllers in the system It is not an intercom Clock 12 hour AM PM clock Error Code
20. ai 1 Water Heaters RIK KIT Optional 1 3 4 Fittings Include 2 Unions 2 Ball Valves 2 Drain Valves and 1 Pressure Relief Valve 46 3 4 Gas Connection x Gas Supply Minimum 3 4 Cold Water Supply Line Tank Water Heater to be Sized for Heat Loss of Circulation Loop Building Supply Electric Water Heater Building Heater Fixtures Expansion Tank KEY This is not an engineered drawing it is intended only as a guide and not as a replacement for professionally engineered project drawings 3 4 Ball Valve Pressure Regulator This drawing is not intended to describe a complete system it is up to the contractor engineer to determine the necessary components 3 4 Union Circulating Pump for and configuration of the particular system being installed The drawing does not compliance with local building code Check Valve Fed Boiler Drain Valve requirements It is the engineer contractor responsiblity to ensure the installation is in accordance with local building codes Confer Pressure Relief Valve EA Solenoid Valve with local building officials before installation 24 VA Series Outdoor LS Manual Optional Piping for Circulation Systems PLEASE NOTE THIS PIPNG ARRANGEMENT REDUCES RESIDENTIAL AND COMMERCIAL WARRANTY TO THE FOLLOWING 3 Years On Heat Exchanger 3 Years On Parts Full warranty will be maintained if an on demand recirculation system is i
21. al codes pertaining to water heater installations may void the warranty This appliance is not to be installed indoors Aqualified installer or service technician should install the appliance inspect it and leak test it before use The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1INFPA 54 the Natural Gas and Propane Installation Code CSA B149 1 The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 5 kPa 13 84 in W C The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa 13 84 in W C R98LSe REU VA3237W US R98LSe ASME REU VA3237W ASME Follow the installation in structions and those in the Maintenance section for adequate combustion and ventilation air The appliance should be located in an area where water leakage of the unit or connections will not result in damage to the area
22. bricated and do not need periodic lubrication Keep fan and motor free of dust and dirt by cleaning annually Temperature Controller Use a soft damp cloth to clean the temperature controller Do not use solvents Lime Scale Buildup If you receive Error Code LC refer to the procedure Flushing the Heat Exchanger Refer to the section on Water Quality to see if your water needs to be treated or conditioned When checking maintenance code history 00 is substituted for LC Snow Accumulation Keep the area around flue terminal free of snow and ice The appliance will not function properly if the intake air or exhaust is impeded blocked or partially blocked by obstructions Visual Inspection of Flame The burner must flame evenly over the entire surface when operating correctly The flame must burn with a clear blue stable flame See the parts breakdown of the burner for the location of the view ports The flame pattern should be as shown in the figures below SATISFACTORY FRONT VIEW BLUE FLAME FLAME ROD UNSATISFACTORY FRONT VIEW YELLOW FLAME FLAME ROD 12 VA Series Outdoor LS Manual The Rinnai water heater has the ability to check its own operation continuously If a fault occurs an error code will flash on the Display of the temperature controller This assists with diagnosing the fault and may enable you to overcome a problem without a service call Please identify the code displaye
23. ccordance with the requirements of the ASME Boiler and Pressure Vessel Code and have received the Certificate of Authorization from the National Board The heat exchanger on this unit has the NB and HLW stamps Table of Contents Specifications Consumer Safety Information Safety Definitions Safety Behaviors and Practices Safely Fealures iecit Description of Operation Operating Instructions Features Available on Temperature Controllers ntm das Temperature Controllers Models Setting the Temperature Temperature Options Without a Temperature Controller Temperature Ranges Setting the Sound Volume Voice Prompt Setting the Clock Using the Water Smart Bath Fill Function 2 Setting the Water Volume Filling the Tub 02222 Setting Controller to Mute Maintenance tend rette hs Air Intake and Exhaust Temperature Controller Lime Scale Buildup Snow Accumulation Visual Inspectio
24. controller is for commercial and hydronic applications requiring higher temperatures When the MCC 91 controller is connected these higher temperatures are available on all controller models in the system Refer to the section on temperature ranges In Use Indicator Priority Indicator Temperature Display Priority Button Thermostat ON OFF Button MC 502RC 1US S Wireless Dimensions inches 4 33 W x 5 90 H x 1 16 D Priority Indicator Temperature Display Thermostat ON OFF Button In Use Indicator Priority Button Requires the transceiver MC 502RC 1US M to be connected to the water heater Refer to the MC 502RC 1US S manual and the Wireless Controller Installation Instructions for complete details on features operation and installation 6 VA Series Outdoor LS Manual Temperature Controllers Models BC 100V 1US Dimensions inches 8 0 W x 4 125 H x 0 875 D NOTICE The BC 100V controller is water resistant Avoid splashing the controller Water Smart Bath Fill Indicator Temperature Display In Use Indicator ON OFF Button Priority Button and Indicator Water Smart WaterSmart Bath Fi Bath Fill Button Power Save Water Volume Thermostat Sound Volume MC 100V 1US Dimensions inches 5 0 W x 4 75 Hx 0 75 D The
25. cy Zero Clearance Installation Available in Four Options of Fronts Remotes and Fan Included Gas Conversion Kit Available Hydronic Air Handler Designed for Use with Rinnai Systems Domestic Hot Water Priority Optional Programmable Thermostat Zero Clearance to Combustibles Accommodates Standard Cased Coils Register your product at www rinnairegistration com or call 1 866 RINNAI1 746 6241 060 00012 39640 9 U287 1083 01 Printed in Japan 09 08
26. d Failure to flush the appliance will cause damage to the heat exchanger Damage caused by lime buildup is not covered by the unit s warranty After flushing reset the LC fault code by turning off the power to the unit and turning the power back on 1 Disconnect electrical power to the water heater 2 Close the shutoff valves on both the hot water and cold water lines V3 and V4 3 Connect pump outlet hose H1 to the cold water line at service valve V2 4 Connect drain hose H3 to service valve V1 5 Pour approximately 4 gallons of virgin food grade white vinegar or citric acid into pail Rinnai 6 Place the drain hose H3 and the hose H2 to the pump Water Heater inlet into the cleaning solution 7 Open both service valves V1 and V2 on the hot water and cold water lines 8 Operate the pump and allow the cleaning solution to circulate through the water heater for at least 45 minutes 9 Turn off the pump 10 Rinse the cleaning solution from the water heater as follows a remove the free end of the drain hose H3 from the pail b close service valve V2 and open shutoff valve V4 Do not open shutoff valve V3 c allow water to flow through the water heater for 5 minutes d close service valve V1 and open shutoff valve V3 11 Disconnect all hoses 12 With V4 closed remove the in line filter at the cold water inlet and clean out any residue Place filter back into unit and open V
27. d when inquiring about service A WARNING Some of the checks below may need to be done by a qualified service technician Call a service technician for any remedy that involves gas or electricity Call a service technician if you have any doubt or reservation about performing the remedy yourself Error Code Table Fat burner operation during Service Call freeze protection mode Power interruption during Turn off all hot water taps Press ON OFF twice Bath fill Water will not flow when power returns Air Supply or Exhaust Check that nothing is blocking the inlet or exhaust Blockage Ensure condensation collar was installed correctly Verify dip switches are set properly Check fan for blockage Error No Ignition Check that the gas is turned on at the water heater gas meter or cylinder Ensure gas type and pressure is correct Ensure gas line meter and or regulator is sized properly Bleed all air from gas lines Verify dip switches are set properly Ensure appliance is properly grounded Disconnect EZConnect or MSA controls to isolate the problem Ensure igniter is operational Check igniter wiring harness for damage Check gas solenoid valves for open or short circuits Remove burner cover and ensure all burners are properly seated Remove burner plate and inspect burner surface for condensation or debris Flame Failure Check that the gas is turned on at the water heater and gas meter Check fo
28. e the temperature setting Bath Fill Hot water is not available Turn off all hot water taps and push the Bath Fill button Follow the voice prompt instructions 2 The voice prompt will announce Before it The hot water system is ready Finishes Open the hot water tap Open the hot water tap The In Use indicator will illuminate on all controllers The hot water will begin to flow 3 When the preset volume of water has been produced then NOTICE During the bath fill function any hot water flowed at other locations e the water flow will cease subtracts from the total amount of E water for the bath For example if the o the Wale smart Bath Fil When bath fill function is set for 50 gallons Buren Other Taps and 5 gallons of hot water are used at e atone will sound Are Open other locations during the fill period then the bath will only fill with 45 the voice prompt will gallons announce Bath fill is complete Turn off the bath hot water tap and push the Bath Fill button 4 Turn off the bath hot water tap and WaterSmart push the Bath Fill button The Bath Fill water heater will not allow hot water to flow from any source until the Water Smart Bath Fill button is pushed The button light will go out and the word Bath will disappear from the display Setting Controller to Mute Models MC 91 and MCC 91 To eliminate the beeps when keys are pressed or to turn the beeps back o
29. e appliance using the ON OFF button ee eee 9 Set thermostat to desired setting clockwise to the full OFF position N 10 Open a hot water tap If the appliance will not operate follow the instructions To Turn Off Gas Manual Valve To Appliance and call your service technician or gas supplier See manual for additional CLOSE OPEN information _ i EN rorunNorFGAsTOAPPLIANCE E P El 1 Turn off all electric power to the appliance using 3 Locate the manual gas valve on the side of the the ON OFF button heater Turn the manual valve clockwise to the full 2 Set the thermostat to lowest setting OEP position N 32 VA Series Outdoor LS Manual Technical Data Pressure Drop Curve 45 100 P R98LSe 90 R94LSe 35 80 1 5 30 R75LSe 70 6 2 2 25 R63LSe2 60 o 50 89 o 20 21 5 40 2 15 2 30 10 n 20 2 10 0 0 0 2 4 6 8 10 12 Water Flow gpm Outlet Flow Data 2 LL 5 0 20 40 60 80 100 120 140 delta T Temperature Rise F VA Series Outd
30. e water flow is varied or when more than 1 tap is in use The water heater can deliver water at only one temperature setting at a time The available temperatures for a given model are provided below Temperature Settings Available F uer 100 102 104 106 108 410 115 120 129 130 135 140 150 160 R75LSe R94LSe R98LSe 100 102 104 106 108 110 115 120 129 130 135 140 150 160 185 R98LSe ASME Re setting the Maximum Temperature If the model name on the side of the water heater ends with UC ex REU VA2535WD UC then these units have a default maximum temperature of 120 F 49 C and an option to increase the maximum temperature to 140 F 60 C Temperature settings from 125 140 F 52 60 C are available by setting dip switch 6 to ON in the SW1 bank of 8 dip switches Units with model names ending in US have a default maximum temperature of 140 F 60 C 91 Temperature Controller These settings require the MCC 91 controller When the MCC 91 controller is connected these higher temperatures are available on all controller models in the system Use of an MCC 91 controller in a residential dwelling will reduce the warranty coverage to that of a commercial warranty application The MCC 91 controller is intended for commercial and hydronic applications only If an MCC 91 controller is used in a residential dwelling for a hydronics application a mixing valve
31. g difficulties due to the following accident abuse or misuse alteration misapplication force majeure improper installation such as but not limited to inadequate water quality condensate damage improper venting incorrect gas type incorrect gas or water pressure or absence of a drain pan under the appliance improper maintenance such as but not limited to scale buildup freeze damage or vent blockage incorrect sizing other causes other than defects in materials or workmanship This Warranty does not apply to any product whose serial number or manufacture date has been defaced This Warranty does not cover any product used in an application that uses chemically treated water such as a pool or spa heater This appliance is suitable for filling large or whirlpool bath tubs with potable water Refer to the Water Quality Section in the Operation and Installation Manual No one is authorized to make any other warranties on behalf of Rinnai America Corporation Except as expressly provided herein there are no other warranties expressed or implied including but not limited to warranties of merchantability or fitness for a particular purpose which extend beyond the description of the warranty herein and further Rinnai shall not be liable for indirect incidental special consequential or other similar damages that may arise including lost profits damage to person or property loss of use inconvenience or l
32. heater must be sized to overcome the pressure loss through the water heater the heating system and any additional plumbing pressure losses The pressure drop curve based on the water heater model is provided in this manual Replacement When replacing an existing space heating application s water heating source boiler tank water heater tankless water heater etc with Rinnai water heaters ensure that the water heaters are sized to adequately provide the necessary BTU input for the desired space heating application Rinnai water heaters are designed to maintain a constant outlet temperature and will supply only the necessary amount of BTU s to maintain that temperature Depending on the application the maximum BTU rating of the unit may not be achieved Contact Rinnai s Applications Engineering Department for assistance at 800 621 9419 ext 4490 Iron Components Do not use Rinnai water heaters directly for space heating applications involving iron radiators or applications with any iron components Iron components may oxidize creating rust that will clog the inlet filter of the Rinnai s 34 VA Series Outdoor LS Manual Dimensions R63LSe2 R75LSe R94LSe R98LSe R98LSe ASME A B A B I C C D D
33. iability arising from improper installation service or use Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not apply to you Limitation on implied warranties Any implied warranties of merchantability and fitness arising under state law are limited in duration to the period of coverage provided by this limited Warranty unless the period provided by state law is less Some states do not allow limitations on how long an implied Warranty lasts so the above limitation may not apply to you This Warranty gives you specific legal rights and you may also have other rights which vary from state to state 38 VA Series Outdoor LS Manual 39 a As about FR AL Rinnai s other fine products 2009 Rinnai America Corporation Rinnai America Corporation 103 International Drive Peachtree City GA 30269 TOLL FREE 1 800 621 9419 FAX 678 829 1666 www rinnai us Tankless Water Heaters Residential and Commercial Applications Continuous Hot Water Up to 9 8 GPM High Energy Efficiency Propane or Natural Gas Internal or External Installation Digital Temperature Control Small Compact Design Direct Vent Furnaces High Efficiency Cool to the touch Cabinet Blower Included Vent Terminal A Included 556 and 1004 Models Available in Beige White and Silver Gas Conversion Kit Included Direct Vent Fireplace RHFE 750ETR Up to 83 AFUE Energy Efficien
34. ications section Before placing the appliance in operation all joints including the heater must be checked for gas tightness by means of leak detector solution soap and water or an equivalent nonflammable solution as applicable Since some leak test solutions including soap and water may cause corrosion or stress cracking the piping shall be rinsed with water after testing unless it has been determined that the leak test solution is non corrosive Always use approved connectors to connect the unit to the gas line Always purge the gas line of any debris before connection to the water heater The gas supply line shall be gas tight sized and so installed as to provide a supply of gas sufficient to meet the maximum demand of the heater and all other gas consuming appliances at the location without loss of pressure Any compound used on the threaded joint of the gas piping shall be a type which resists the action of liquefied petroleum gas propane LPG e Refer an approved pipe sizing chart if in doubt about the size of the gas line VA Series Outdoor LS Manual 19 Gas Piping Pipe Sizing Procedure Example The gas supply must be capable of handling the entire gas load at the location Gas line sizing is based on gas type the pressure drop in the system the gas pressure supplied and gas line type Refer to the National Fuel Gas Code NFPA 54 for proper gas line sizing The below information is provided as a
35. ir and If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions Se OPERATING INSTRUCTIONS BEI STOP Read the safety information above 6 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information Turn off all electric power to the appliance using above If you don t smell gas go to the next step the ON OFF button 4 This appliance is equipped with an ignition device which automatically lights the burner Do not try to 8 light the burner by hand D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Set the thermostat to lowest setting 7 Turn the manual gas valve counterclockwise to the full ON position x Turn on all electric power to th
36. ler The bath fill function allows the consumer to fill a tub with a preset volume of water at a preset temperature This is done by pressing the bath fill button on the BC 100V controller while no hot water is flowing and then opening only the hot water tap The water heater will cease the hot water flow when the preset volume has been reached The hot water tap should then be closed and the bath fill button pressed The temperature settings for the bath fill function are limited to those in the table below F 98 100 102 104 106 108 110 115 120 Bath Fill Temperature Settings Available Setting the Water Volume The default volume is set to 25 gallons The volume can be set between 10 and 120 gallons 1 Press the Priority button on the temperature controller The green Priority light will glow indicating that this controller is controlling the temperature and that the Rinnai water heater is ready to supply hot water Priority Press the Temp A or Y buttons to obtain the desired temperature x la Temp setting 3 Press the Water Vol A or Y buttons to obtain the desired Water Val water volume in gallons Multiple Water Heaters Anti scald Fixtures To Prevent Over Filling 10 VA Series Outdoor LS Manual If power is lost during the bath fill function the water heater will shut down but the water will continue to flow When power returns the water shuts off and Error
37. ll Valve Vacuum Breaker Rinnai Water Heater 3 4 Gas Connection Lo Gas Supply 3 4 Minimum Minimum 3 4 Normally Closed Cold Water Solenoid Valve Supply Line 1 2 Minimum Normally Open Solenoid Valve Route to Floor Drain This is not an engineered drawing it is intended only as a guide and not as a replacement for professionally engineered project drawings This drawing is not intended to describe a complete system it is up to the contractor engineer to determine the necessary components for and configuration of the particular system being installed The drawing does not imply compliance with local building code requirements It is the engineer contractor responsiblity to ensure the installation is in accordance with all local building codes Confer with local building officials before installation 22 VA Series Outdoor LS Manual Recommended Piping for Basic Installation Rinnai Water Heater Rinnai Equipment List QTY Rinnai Water Heaters 1 RIK KIT Optional 1 3 4 Fittings Include 2 Unions 2 Ball Valves 2 Drain Valves and 1 Pressure Relief Valve Gas Supply 3 4 Hot Water Supply Line 3 4 Cold Water Supply Line For Building Fixtures KEY 6 3 4 Ball Valve n Pressure Regulator 3 4 Union Circulating Pump T Check Valve KX Boiler Drain Valve K Pressure Relief Valve 21 Solenoid Valve This is n
38. mm 7m 20 e m eo xe 1 ano so omm 2s eo 7m o m 292 m m o m o 7e ms s ws ne 3m w ws sr m t m s we 26 99 20 VA Series Outdoor LS Manual Water Piping General Instructions A manual water control valve must be placed in the water inlet connection to the Rinnai water heater before it is connected to the water line Unions may be used on both the hot and cold water lines for future servicing and disconnection of the unit The piping including soldering materials and components connected to this appliance must be approved for use in potable water systems Purge the water line to remove all debris and air Debris will damage the Rinnai water heater Pressure Relief Valve An approved pressure relief valve is required by the American National Standard ANSI Z21 10 3 Canadian Standard CSA 4 3 for all water heating systems The relief valve must comply with the standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI Z21 22 and or the standard Temperature Pressure Temperature and Pressure Relief Valves and Vacuum Relief Valves CAN 1 4 4 The relief valve must be rated up to 150 psi and to at least the maximum BTU hr of the appliance The discharge from the pressure relief valve should be piped to
39. must also be installed to limit the potable hot water temperature to a safe temperature Water temperatures over 125 F 51 C can cause severe burns or scalding Refer to the Danger Alert on water temperatures Rinnai shall not in any event be liable for damages resulting from such misuse or misapplication Suggested temperatures are These temperatures are suggestions only Kitchen 120 F 49 C A temperature lower than 98 F 37 C can be Shower 98 1109 F 37 43 C obtained at the tap by mixing with cold water Bath Fill 102 110 F 39 43 C To change the temperature scale from Celsius to Fahrenheit or vice versa press and hold the On Off button for 5 seconds while the water heater is OFF Setting the Sound Volume Voice Prompt MC 100V Press the Function button to BC 100V Press the Sound Vol button to adjust the voice prompt adjust the voice prompt volume volume The default sound The default sound volume is set volume is set to Medium Sound Vol to Medium Each subsequent Each subsequent press of the press of the button cycles A or Y button cycles through through the volume levels in the the volume levels in the order order below below Off Volume beep Off Sound no beep Medium Volume default ring VA Series Outdoor LS Manual 9 Using the Water Smart Bath Fill Function Overview This function is exclusive to the BC 100V temperature control
40. n press and hold both the A and Y buttons until a beep is heard approximately 5 seconds Setting the Clock MC 100V Press the Function button twice within 10 seconds to clock Press the A or button to reach the desired time The clock on the BC 100V automatically shows v the time which has been set on the MC 100V VA Series Outdoor LS Manual 11 Maintenance WARNING Turn off the electrical power supply the manual gas valve and the manual water control valve whenever servicing the unit Repairs should be performed by a qualified service technician The appliance should be inspected annually by a qualified service technician Verify proper operation after servicing Cleaning It is imperative that control compartments burners and circulating air passage ways of the appliance be kept clean Clean as follows 1 Turn off and disconnect electrical power Allow to cool 2 Remove and clean the water inlet filter 3 Remove the front panel by removing 4 screws 4 Use pressurized air to remove dust from the main burner heat exchanger and fan blades Do not use a wet cloth or spray cleaners on the burner Do not use volatile substances such as benzene and thinners They may ignite or fade the paint 5 Use soft dry cloth to wipe cabinet Air Intake and Exhaust The air intake and exhaust should be inspected at least annually for blockages or damage Motors Motors are permanently lu
41. n example 1 Determine the cubic feet per hour of gas required by dividing the gas input on the rating plate by the heating value of the gas available from the local gas company The gas input needs to include all gas products at the location and the maximum BTU usage at full load when all gas products are in use Cubic Feet per Hour CFH Gas Input of Rinnai water heater BTU HR Heating Value of Gas BTU FT 2 Use the table for your gas type to find the pipe size required for your cubic feet per hour of gas and your pipe length Example The heating value of propane gas for your location is 2516 BTU FT 3 The gas input of the R94LSe is 199 000 BTU HR Additional appliances at the location require 75 000 BTU HR Therefore the cubic feet per hour 199 000 75 000 2516 108 9 FT 37 HR If the pipe length is 100 ft then the 3 4 inch pipe size capable of supplying 197 FT 37 HR of propane gas will be adequate Pipe Sizing Table Natural Gas cubic feet per hour Schedule 40 Metallic Pipe Inlet Pressure less than 2 psi 55 inches W C Pressure Drop 0 3 inches W C Specific Gravity 0 60 a 22 ose 4590 w we me 1090 __ G se Pipe Sizing Table Propane Gas cubic feet per hour Schedule 40 Metallic Pipe Inlet Pressure 11 0 inches W C Pressure Drop 0 5 inches W C Specific Gravity 1 50 Pipe Size inches Fie Sis ene 0 L pne
42. n of Flame Error Codes Error Code 13 Troubleshooting for Common Issues Accessing Operating Information Water Quality sess Flushing the Heat Exchanger Error Code LC or 00 N Installation Instructions 17 General Instructions 17 Clearances from Appliance 18 Attachment of the Water Heater 18 Electrical 19 Gas Piping General Instructions 19 Pipe Sizing Procedure Example 20 Water Piping General Instructions 21 Pressure Relief Valve 21 Freeze Protection 21 Freeze Protection Piping 22 Recommended Piping for Basic Installation 23 Recommended Piping for Circulation 24 Optional Piping for Circulation Systems 25 Flue Terminal Clearances ANS 221 10 3 CSA 4 3 26 27 Additional Clearances Vent Trminal 28 High Altitude Installations 29 Connecting Multiple Water Heaters 29 Temperature
43. ncorporated Refer to the Limited Warranty Rinnai Water Heater For this application Pump should be controlled by an Aquastat Timer or Combination Aquastat and Timer Pump to be sized to maintain circulation Rinnai Equipment List QTY Rinnai Water Heaters 1 RIK KIT Optional 1 3 4 Fittings Include 2 Unions 2 Ball Valves 2 Drain Valves and loop temperature 1 Pressure Relief Valve minimum of 3 GPM flow is recommended for the circulation system The pump should be sized to overcome the pressure loss through the Rinnai water cT heater supply and return plumbing Refer ence the Rinnai Hot Water System Design Manual Pump Sizing for Circulation Pump to be of bronze or stainless construc on 2 Gas Supply Note Water heater outlet temperature cannot be adjusted when circulation pump is running Minimum 3 4 Hot Water Supply Line Minimum 3 4 Cold Water Supply Line Optional 2 6 Gallon Storage Tank To eliminate cold water sandwich effect caused by frequent On Off operation Expansion Tank Building Fixture Outlets KEY This is not an engineered drawing it is intended only as a guide and not as a replacement for professionally engineered project drawings 3 4 Ball Valve Pressure Regulator This drawing is not intended to describe a complete system it is up to the contractor engineer to determine the necessary components
44. o Outdoor Tankless Water Heater Al Operation and Installation Manual R63LSe2 REU VA2024WD A UC R75LSe REU VA2528WD A UC ae 0 sm 2 eee 3 R94LSe REU VA2535WD UC R98LSe REU VA3237W US 981 5 5 REU VA3237W ASME Table of Contents Consumer Safety Information 4 Operating Instructions Maintenance D 5 5 L 54 SS ary Register your product at www rinnairegistration com or call 1 866 RINNAI1 746 6241 Error Codes Installation Instructions Consumer Support WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department ANS 221 10 3 Installation and service must be performed by a qualified i installer service agency or the gas supplier CSA 4 3 R98LSe ASME This model has been built in a
45. oor LS Manual 33 Space Heating If the water heater is to be used for both water potable heating and space heating then the following apply piping and components connected to the water heater shall be suitable for use with potable water Toxic chemicals such as used for boiler treatment shall not be introduced into the potable water water heater shall not be connected to any heating system or components previously used with a nonpotable water heating appliance When the system requires water for space heating at temperatures higher than required for other uses a means such as a mixing valve shall be installed to temper the water for other uses in order to reduce the scald hazard potential Space heating applications are considered commercial applications for warranty purposes Temperature Setting When using this appliance to provide domestic hot water it is recommended that the domestic hot water temperature be reduced to acceptable temperatures in accordance with local codes In the absence of local codes it is recommended that the domestic hot water temperature be set to 140 F 60 C or lower in accordance with UPC 501 6 by using mixing valves or the temperature controller for the water heater Pumps Only use pumps of brass or stainless steel construction Do not use pumps of iron construction as they will oxidize and clog the inlet filter on the appliance Pumps circulating water through the water
46. oor use Check the National Electrical Code ANSI NFPA 70 and your local codes for a proper switch type to use in your area The wiring diagram is located on the Technical Sheet attached to the inside of the front cover Gas Pipin d SlVNIWH3L S1OHLINOO uod d 120V Wiring black wire Hot Leg white wire Neutral Ground Connection Disconnect Switch General Instructions A manual gas control valve must be placed in the gas supply line to the Rinnai water heater A union can be used on the connection above the shut off valve for the future servicing or disconnection of the unit Check the type of gas and the gas inlet pressure before connecting the Rinnai water heater If the Rinnai water heater is not of the gas type that the building is supplied with DO NOT connect the water heater Contact the dealer for the proper unit to match the gas type Check the gas supply pressure immediately upstream at a location provided by the gas company Supplied gas pressure must be within the limits shown in the Specif
47. ot an engineered drawing it is intended only as a guide and not as a replacement for professionally engineered project drawings This drawing is not intended to describe a complete system it is up to the contractor engineer to determine the necessary components for and configuration of the particular system being installed The drawing does not imply compliance with local building code requirements It is the engineer contractor responsiblity to ensure the installation is in accordance with all local building codes Confer with local building officials before installation VA Series Outdoor LS Manual 23 Recommended Piping for Circulation Systems Notes PLEASE NOTE FOR RESIDENTIAL AND COMMERCIAL APPLICATIONS THIS PIPING ARRANGEMENT MAINTAINS FULL Binal WARRANTY For this application Pump should be controlled by an Aquastat Timer or Combination Aquastat and Timer Pump to be sized to maintain circulation loop temperature minimum of 3 GPM flow is recommended for the circulation system The pump should be sized to overcome the pressure loss through the Rinnai water heater supply and return plumbing Refer ence the Rinnai Hot Water System Design Manual Pump Sizing for Circulation Pump to be of bronze or stainless construc tion IMPORTANT Connect the building return line to the hot water supply line as close as possible to the Rinnai Water Water Heater Rinnai Equipment List QTY Rinn
48. ot and cold lines or a dedicated return line and only activates when hot water is used It can be activated by a push button motion sensor or voice activation but not by a temperature sensor A timer added to a standard recirculating pump is not considered as on demand There is no warranty coverage on product installed in a closed loop application commonly associated with space heating only applications Use of an MCC 91 controller in a residential dwelling will reduce the warranty coverage to that of a commercial warranty application except when an MCC 91 is used with a Rinnai Hydronic Air Handler The integrated controller on indoor models has a 1 year warranty on parts T Note Period of coverage is reduced to 3 years from date of purchase if the Rinnai water heater temperature setting exceeds 160 F 71 C VA Series Outdoor LS Manual 37 Limited Warranty What will Rinnai do Rinnai will repair or replace the covered product or any part or component that is defective in materials or workmanship as set forth as follows Rinnai will pay reasonable labor charges associated with the repair or replacement of any such part or component All repair parts must be genuine Rinnai parts All repairs or replacements must be performed by an individual or servicing company that is properly trained state qualified or licensed to do the type of repair Replacement of the product may be authorized by Rinnai only Rinnai does not authorize any pe
49. p flow properly Nothing happens when Check gas type of unit and ensure it matches gas type being used Check for restrictions in air flow around unit and vent terminal Check for low water flow in a circulating system causing short cycling Ensure dip switches are set to the proper position Check for foreign materials in combustion chamber and or exhaust piping Check heat exchanger for cracks and or separations Check heat exchanger surface for hot spots which indicate blockage due to scale build up Refer to instructions in manual for flushing heat exchanger Measure resistance of safety circuit Ensure high fire and low fire manifold pressure is correct Check for improper conversion of product Check for restrictions in air flow around unit and vent terminal Check for low water flow in a circulating system causing short cycling Check for foreign materials in combustion chamber and or exhaust piping Check for clogged heat exchanger Check sensor wiring for damage Measure resistance of sensor Clean sensor of scale build up Replace sensor Check sensor wiring for damage Measure resistance of sensor Clean sensor of scale build up Replace sensor Check for restrictions in air flow around unit and vent terminal Check sensor wiring for damage Measure resistance of sensor Clean sensor of scale build up Ensure fan blade is tight on motor shaft and is in good condition Replace sensor Check modulating ga
50. r obstructions in the flue outlet Ensure gas line meter and or regulator is sized properly Ensure gas type and pressure is correct Bleed all air from gas lines Ensure proper Rinnai venting material was installed Ensure condensation collar was installed properly Ensure vent length is within limits Verify dip switches are set properly Ensure appliance is properly grounded Disconnect keypad Disconnect EZConnect or MSA controls to isolate the problem Check power supply for loose connections Check power supply for proper voltage and voltage drops Ensure flame rod wire is connected Check flame rod for carbon build up Disconnect and re connect all wiring harnesses on unit and PC board Check for DC shorts at components Check gas solenoid valves for open or short circuits Remove burner plate and inspect burner surface for condensation or debris VA Series Outdoor LS Manual 13 Error Code Table Thermal Fuse Over Temperature Warning Outgoing Water Temperature Sensor Fault Heat Exchanger Outgoing Temperature Sensor Fault Combustion Air Temperature Sensor Fault Combustion Fan Failure Water Flow Servo Faulty SV0 SV1 SV2 and SV3 Solenoid Valve Circuit Fault Flame Sensing Device Fault Scale Build up in Heat Exchanger when checking maintenance code history 00 is substituted for water flow is activated 14 Modulating Solenoid Valve Signal Abnormal does not sto
51. r Heaters The EZConnect cable is an optional accessory that connects 2 water heaters and allows them to function as one hot water source The EZConnect cannot be used on the R63LSe The MSA packs are optional accessories that connect 2 to 5 water heaters and allow them to function as one hot water source Refer to the instructions that come with the accessory for complete installation information Number of Connected Water Heaters 1 EZConnect Cable or 1 MSA 2M 1 MSA 2M and 1 MSA 2S 1 MSA 2M and 2 MSA 2S Accessories Necessary 1 MSA 2M and 3 MSA 2S Guidelines Do not install both the EZConnect and the MSA packs because they are not designed to operate together Water heaters connected with the EZConnect Cable or the MSA packs cannot be used for the Bath Fill function Water heaters should be installed less than 18 inches apart so that the cables will reach between units and to prevent temperature fluctuations cold water sandwich effect when the water is shut off and turned back on When using EZConnect Cable or the MSA packs temperature settings can only be changed on the controller for the primary unit VA Series Outdoor LS Manual 29 Temperature Controller Installation Location controller should be out of reach of small children Avoid locations where the controller may become hot near the oven or radiant heater Avoid locations in
52. rmostat In Use Indicator Temperature Display Priority Button and Indicator ON OFF Button VA Series Outdoor LS Manual 7 MC 100V 1US Setting the Temperature Hot water can be dangerous especially for infants or children the elderly or infirm There is hot water scald potential if the thermostat is set too high Water temperatures over 125 F 51 C can cause severe burns or scalding resulting in death Hot water can cause first degree burns with exposure for as little as 3 seconds at 140 F 60 C 20 seconds at 130 F 54 C 8 minutes at 120 F 48 C Test the temperature of the water before placing a child in the bath or shower Do not leave a child or an infirm person in the bath unsupervised 1 Press the Priority button on the NOTICE While any hot water is being temperature controller The provided the temperature setting can green Priority light will glow only be adjusted between 98 F and indicating that this controller is 110 F ee the and that the Rinnai water heater is NOTICE Check local codes for the maximum ready to supply hot water NOTICE water temperature setting allowed when used in nursing homes The priority can only be changed schools day care centers and all while no hot water is running other public applications If a newly installed unit with a temperature 2 Press the A or Y buttons to NOTICE y obtain the desired
53. rson or company to assume for it any obligation or liability in connection with the replacement of the product If Rinnai determines that repair of a product is not possible Rinnai will replace the product with a comparable product at Rinnai s discretion If a component or product returned to Rinnai is found to be free of defects in material or workmanship or damaged by improper installation or damaged during return shipping the warranty claim for product parts and labor may be denied How do get service You must contact a state qualified licensed contractor or authorized service provider for the repair of a product under this Warranty For the name of a qualified authorized service provider please contact your place of purchase visit the Rinnai website www foreverhotwater com call Rinnai at 1 800 621 9419 or write to Rinnai at 103 International Drive Peachtree City Georgia 30269 Proof of purchase is required to obtain warranty service You may show proof of purchase with a dated sales receipt or by registering within 30 days of purchasing the product To register your tankless water heater please visit www rinnairegistration com For those without internet access please call 1 866 RINNAI1 746 6241 Receipt of Registration by Rinnai will constitute proof of purchase for this product However Registration is not necessary in order to validate this Warranty What is not covered This Warranty does not cover any failures or operatin
54. s When a fault is detected an error code flashes at the temperature display on models MC 91 MCC 91 and MC 502 and flashes at the clock display on models MC 100 and BC 100 Function Used on this model to set the clock or sound volume In Use Indicator Indicates that hot water is being supplied i e a hot water tap is open ON OFF Button gg Used to turn the water heater ON or OFF PowrSae Allows the temperature controller to be in an energy saving mode Priority Button Indicates that this controller is setting the temperature Priority Indicator can be switched to another controller by pressing its Priority Button when no hot water is running Sound Volume lele Used to adjust the voice prompt volume Temperature Display 25 2 Shows the temperature setting Thermostat Increases or decreases the temperature Increases or decreases the temperature setting Lucr 2 4 Smart Bath BE 2 to select the Water Smart Bath Fill Function to fill bath Button Indicator with a predetermined volume of water Water Volume Used to select the water volume the Water Smart Bath Fill Function VA Series Outdoor LS Manual Temperature Controllers Models MC 91 1US amp MCC 91 1US Dimensions inches 3 5 W x 4 75 H x 0 75 D The MC 91 controller is the standard temperature controller that is supplied with the water heater On indoor models it is integrated into the front panel The MCC 91
55. s solenoid valve wiring harness for loose or damage terminals Measure resistance of valve coil Ensure fan will turn freely Check wiring harness to motor for damaged and or loose connections Measure resistance of motor winding If blank screen is present on temperature control then the flow control has shorted out Unplug flow control If temperature lights up and unit starts operating then replace flow control assembly Check wiring harness to all solenoids for damage and or loose connections Measure resistance of each solenoid valve coil Ensure flame rod is touching flame when unit fires Check all wiring to flame rod for damage Remove flame rod and check for carbon build up clean with sand paper Check inside burner chamber for any foreign material blocking flame at flame rod Measure micro amp output of sensor circuit with flame present Replace flame rod Flush heat exchanger Refer to instructions in manual Replace heat exchanger NOTE The LC code is the only error code that will allow the unit to keep running The display will alternate between the LC code and the temperature setting The controller will continue to beep The LC code will reset if power is turned off and then on Clean inlet water supply filter On new installations ensure hot and cold water lines are not reversed Check for bleed over Isolate unit from building by turning off hot water line to building Isolate the circulating system if present
56. tap the fan on the Rinnai water heater continues to run The fan is designed to continue running for a short time after the flow of water stops This is to ensure constant water temperatures during rapid starting and stopping as well as exhausting any residual gas flue products from the unit Accessing Operating Information Models MC 91 and MCC 91 To display the most recent error codes press and hold the On Off button for 2 seconds While holding the On Off button press the A button The last 9 error codes will flash one after the other To exit this mode press the On Off and A button as before To display the water flow through the water heater press and hold the A button for 2 seconds and without releasing the A button press the On Off button To display the outlet water temperature press and hold the Y button for 2 seconds and without releasing the Y button press the On Off button Water Quality Consideration of care for your water heater should include evaluation of water quality If the water quality exceeds the target levels provided in the table you may want to treat or condition the water Source Part 143 National Secondary Drinking Water Regulations TDS Total Dissolved Up to 500 mg L Solids VA Series Outdoor LS Manual 15 Flushing the Heat Exchange Error Code LC or 00 An LC or 00 error code indicates the unit is beginning to lime up and must be flushe
57. the ground or into a drain system to prevent exposure or possible burn hazards to humans or other plant or animal life Follow local codes Water discharged from the relief valve could cause severe burns instantly scalds or death The pressure relief valve must be manually operated once a year to check for correct operation Freeze Protection The freeze protection features include electrical heating elements and intermittent firing of the burner Freeze protection may be disabled if electricity or gas is not supplied or if there is an error preventing the water heater from functioning Loss of freeze protection may result in water damage from a burst heat exchanger or water lines The installation of auto drain down solenoid valves is optional However Rinnai strongly recommends that these valves be installed to prevent damage from freezing in case the normal freeze protection should become disabled Any product damage due to freezing will not be covered by the warranty In addition the solenoid valves should be connected electrically to a surge protector with terminals This allows the solenoid valves to operate if the water heater is disabled due to an error code Toxic chemicals such as those used for boiler water treatment are not to be introduced to the potable water used for space heating e Ifthe appliance will be used as a potable water source it must not be connected to a system that was previously used with a
58. trollers in parallel MC 91 MC 91 MCC 91 MC 502RC MC 91 MCC 91 MC 502RC MC 502RC MCC 91 MC 502RC BC 100V MC 100V MC 91 MC 502RC BC 100V MC 100V MC 91 91 MC 502RC BC 100V MC 91 MC 502RC MC 502RC MC 100V Controllers Controller to Water Heater VA Series Outdoor LS Manual Temperature Controller Installation A WARNING Do not attempt to connect the temperature controllers with the power on There is 120 volt potential next to the temperature controller connections inside the unit Do not connect the temperature controller to the 120VAC terminals provided for the optional solenoid drain valves All service and wiring should be performed by a registered installer Mounting on the wall Follow the procedure below to install MC 91 or Outline of Temperature controller MCC 91 temperature controllers 1 Determine a suitable location for the controller 2 Make three holes in the wall as shown 1 21 32 Run the cable between the controller and the wiring hole i Rinnai water heater or the controller and 3 5 16 another controller 4 Remove the face plate from the temperature securing Screw O controller using a screw driver securing screw Connect cable to the temperature controller Mount the controller to the wall using the holes drilled in step 2 7 Disconnect the power from the Rinnai water TEMPERATURE CONTROL heater CON
Download Pdf Manuals
Related Search