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1. RTE A So ane A me A lt 4 ACA XS L AS y M The Rinnai Direct Vent Wall Furnace Product Knowledge 201101 and Installation 201102 Presentations are a required prerequisite Rinnai Training Program 201103 www rinnai us 2011 Rinnai Corporation Rinnai ENERGYSAVERe Direct Vent Wall Furnace Service Fundamentals The following course is approved for NATE continuing education hours CEH s This course will earn the following CEH s Warm Air Heating Gas Installer 2 hours Warm Air Heating Gas Service 3 hours If you require credit for NATE please notify the instructor at this time www rinnai us 2011 Rinnai Corporation Rinnai Service and Support 800 621 9419 Rinnai America s phone support structure consists of the following departme e CRC Consumer Response Center Fielding general calls consumer questions etc e Available in office from 8 a m to 8 p m EST Monday Friday e Parts and Warranty Department Fielding parts orders and warranty issues e Available in office from 8 a m to 5 p m EST Monday Friday e Technical Support Department Fielding technical issues related to the function of all Rinnai Products e Available in office from 8 a m to 8 p m EST Monday Friday AND 24 7 365 on call support for technicians who are at the service location A dedicated service line is available for technicians and installers 1 888 R2. 1 Remove the three screws holding the exhaust elbow to the unit NOTE Ensure the O ring inside the elbow is intact 2 NOTE The mini condensate tray on the top portion of the heat exchanger is to prevent condensation dripping on the burner box cover and gasket This condensation can occasionally develop on the exterior of the heat exchanger 7 A AE A mo NOR zB The heat exchanger made of stainless steel and aluminized steel are formed to a bellows style to reduce expansion noise and to provide a larger surface area for efficiency 62 Electrical Metering Verifying electrical values of individual components is not common but when necessary must be correctly and safely Verifying incoming supply voltage is the most common metering need in especially during installation Key points when troubleshooting electrical values e Ensure volt meter probes are solidly contacting metal e Apply probes to the back of Molex connections when possible to prevent possible damage to connection points e Know your meter and how to set it for each type of measurement e Q Ohms or resistance e K X1000 ex 6KQ 6000 Ohms e u X 001 ex 6uA 0 006 Amps or 6 microamps e VAC or V AC voltage e VDC or V DC voltage e A amps ensure meter is set to DC current for flame rod measurements e Always set meter to next highest value from range as listed in manual e When measuring resistance ensure the component is disconnected from the c
3. Instructions for conversion including gas pressure settings e Gas pressure must be verified if one of the following occur The gas valve is replaced The PCB is replaced The models gas type is converted e Gas pressure setting instructions are in the Direct Vent Service Manual and the unit s conversion instructions www rinnai us 2011 Rinnai Corporation Remove the manifold Remove the primary air and the burner damper damper screw NOTE The burner cover does not have to be removed for conversion NOTE Gas Conversion for the 1004 is different See each model s conversion procedure Remove the secondary air damper Note the tab orientation from the PCB Follow each OFF a oS Ig ee gt o Replace the orifices io G was 22 6 LEE pst minis wig 35 Fault Code Flag Function FF C Series models have the ability to allow the service technician to insert an FF in to the bank of fault codes This creates a flag of when the technician was present It can be used after a routine maintenance or to note when a service call was made in relation to the fault codes within the bank To insert FF into the bank with the unit off press the Economy button on the control panel and the PCB test button at the same time FF will then be the most recent fault code This cannot be erased after inserted www rinnai us 2011 Rinnai Corporation
4. PRODUCT DISASSEMBLY AND COMPONENT REVIEW The following procedures are for the RHFE 431 556 models manufactured 2008 or earlier service procedures for other models will vary C Series model disassembly is in Appendix A of this presentation Please stay with the presentation www rinnai us 2011 Rinnai Corporation Disassembly Component Review 1 Remove toe kick from bottom front of unit 2 Slide the humidifier tray from bottom left of unit tray will release www rinnai us 2011 Rinnai Corporation Cover Removal Remove 8 screws trom the lower front panel 2 Pull out on the bottom of the panel and the top will drop down from slots 3 Inside of cover has valuable information including the wiring diagram www rinnai us 2011 Rinnai Corporation 1 2 3 Remove the top 2 control panel screws Disconnect control wiring from PCB Pull forward then up on top panel to remove p gt arr a 1 IN EL ta Isolate unit from power and gas 2 Remove all wires from PCB All connectors to PCB have a release point on the Molex Remove grounding wire from inner panel 3 Remove two screws on left of PCB assembly ahs te TE Pes ww at APE L A so s 4 x le be IL a 7 ot a A ft rive ee a 06 ff t S ects SEES i p F t ore z s m L i z weer a L une s TY 4 Lift up on PCB and unhook tab
5. NOTE The combustion fan slowly ramps down and off immediately when the gas valve closes Number of Seconds for Convection Fan Post Purge Time Ys exoge exc eare EX22 Within the first 40 seconds of ignition www rinnai us 2011 Rinnai Corporation i SPECIAL NOTES EX08 EX11 and EX38 Models www rinnai us 2011 Rinnai Corporation e When the ignition sequence starts the PCB must first see feedback from the combustion fan proving it is turning at the correct soeed AND the pressure sensor must be in the correct position to prove adequate air is moving through the vent system If not the unit will not continue the ignition sequence When the ignition sequence occurs the PCB must sense the ignition spark in the correct location before the gas valve will open If not the unit will not allow gas to flow and the ignition sequence will cease There are two main solenoid gas valves in series for redundancy SV1 and SV2 During non operation both are closed For a leak to occur both would have to fail Even then as this is sealed combustion gas would move through the sealed heat exchanger and out the exhaust vent There are three burners Each has its own flame rod If gas is being allowed to one of these burners the PCB must receive the correct feedback from that burner s flame rod to ensure the flame is of the correct characteristic If the flame is not adequate operation will immediately c
6. Please stay with the presentation www rinnai us 2011 Rinnai Corporation i Disassembly Component Review 1 Remove toe kick from bottom front of unit bottom left of unit tray will release www rinnai us 2011 Rinnai Corporation a Cover Removal 1 Remove 5 screws from the louver plate 2 Slide the front panel up to free side and top tabs 3 Inside of cover has valuable information including the wiring diagram x www rinnal us 2011 Rinnai Corporation A gt Remove the top 5 control panel Note the plastic alignment piece on Disconnect control wiring from PCB Pull forward then up on top panel Control panel has plastic cover SCrews the center screw to remove underneath it to protect the PCB from spills on top of unit 46 po Beginning in 2009 all models use a pressure sensor to ensure proper air movement through the burner heat exchanger and vent system The pressure sensor snaps in the PCB case It is not included with a replacement PCB It should be moved to the new PCB s casing when replacing The black tube connects on the front of the PCB The clear tube connects on the back of the PCB On the back of the unit these tubes connect to the intake of the vent system the black hose connection is labeled BLK NOTE Do not confuse the gas valve pressure balancing tube connection with the pressure sensor connections Due to this pressure sensor
7. RINNAI DIRECT VENT TECHNOLOGY PLEASE CONTACT TECHNICAL SUPPORT FOR ANY QUESTIONS OR ISSUES www rinnai us 2011 Rinnai Corporation
8. Rinnai s Direct Vent Furnace is available lt fireplace a 3 Speed convection fan for even heat distribution Integrated zero clearance box Unique and versatile power flue technology with various venting options e Up to 33 feet of venting allowed e Vertical and horizontal terminations available e Ability to vent downward for terminations lower than fireplace crawlspace lower floor etc Interchangeable fascia s Plasma Shine Midnight and Classic Push button electronic ignition T Full feature remote control os Thermostat control ok Oviedo OFane UP and DOWN Pre programmed flame function STANDBY ON ig 06 08 flame level or time Set and forget dual timer Stops and operates the Terie ON OF Child lock ma ae f Preheat and memory function Energy saving auto off function ae CET ones Comprehensive safety features ne temperature seting 1 ove imer Double Glass front reduces heat on outer glass Approved for mobile home use www rinnai us 2011 Rinnai Corporation S leve nie ut lal Flat Metal Black R2700 Flat Metal Stainless Steel R2701 i 4 Y Radius Silver R2702 Radius Black R2703 Product Model Numbers and Specifications Rinnai Model Number RHFE 750ETRA N Natural Gas RHFE 750ETRA P Propane Gas IE MC mm 10 5 267 mm W C 13 330 mm W C Flex line 3 8 flare nut ball valve 1 2 female X 3 8 flare www rinnai us 2011 Rinnai Corporation
9. Thermistor Calibration C Series models have the ability to adjust or calibrate the thermistor This can be helpful particularly when another thermostat is in close proximity to ensure the values match if needed To adjust the thermistor with the unit off press the PCB test button twice A number between 12 and 12 will appear 0 is the factory setting Each increment is equal to 0 6 F 0 33 C Use the following chart to adjust to a specific value Press the PCB test button once again to record the new value Will make the control Will make the control value of panel room temp read A value of panel room temp read higher by lower by A negative 12 12 F 40 vaian I 66 F 3 66 C ma Si room temp o erreso road Hae 54 FBO O 48 FRS C 3 6 F 20 C A positive so rues velue wil 24 F 1 33 make the 1 8 F 1 0 C room temp 1 2 F 0 66 C read lower 4 2 F 2 33 C 7 4 2 F 2 33 C 0 6 F 0 33 C 1 0 6 F 0 33 C www rinnai us 2011 Rinnai Corporation Convection Fan Overrun Time Rinnai e The convection fan will run for a predetermined amount of time to allow the heat exchanger to cool down appropriately a e This time is based upon the stage of combustion the unit is operating in when post purge begins either due to a satisfied thermistor or power off If a fault code 14 is present the convection fan will run 255 seconds regardless of the combustion stage
10. is stepped up at the module and applied in the burner via the white wire depending on model c If the spark occurs correctly the voltage is returned to the module via the white wire d Voltage is returned to the PCB via the gray and orange wires thus allowing the gas valve to open 55 Turn off power and gas supply Disconnect gas supply if needed To remove remove 4 screws on back of unit ensure correct screws are removed Remove single screw at gas tubing Remove tube ensure o ring is intact Note gasket and o ring where assembly connects NOTE POV screw should only be adjusted during replacement or under Rinnai direction 2010 models SV1 and SV2 no longer share a wire harness 56 s O E S Remove single screw and gas tube from manifold 2010 model manifold plates will not swing out as previous models Ensure o ring remains on tube and is intact Remove two screws holding manifold Gently pull manifold out for access to venture openings and orifices Upon reassembly ensure alignment pins are seated correctly For nuisance flame related errors carefully burn out venture openings with a propane torch and blow out crystallized remnants with high air pressure This will ensure no spider webs have settled in openings Also ensure tube is clear 57 1 Remove 2 screws from panel NOTE Prior to 2010 bottom screw was removed with front cover Pull panel free Panel fiber gasket must remain int
11. the vent length termination block on previous units is no longer needed HHT sae peer wane rat tw BULINLANN atm 18 tee 47 Ne no Isolate unit from power and gas Remove all wires from PCB All connectors to PCB have a release point on the Molex Remove grounding wires from right Remove two screws on right of PCB assembly Lift up on PCB and unhook tab on left side freeing PCB from unit wf a tie 48 2010 models do not have a grounding wire on the combustion fan Remove the four screws on the inducer motor plate Note the indicator marks in the 5 00 o clock position for alignment 2010 models now have a Molex connector on the combustion fan 49 Inside Panel Removal Rinnai 1 Disconnect thermal overheat fuse Molex connector Fuse opens at 421 F 2 Remove 8 screws to remove inside panel 3 Ensure the panel seats in all tabs upon reassembly www rinnai us 2011 Rinnai Corporation Safety Component Review Rinna m TT T T T T 1 j T iT Fi ll i 1 ver 1 _ DA All bimetals are in series with the thermal fuse assembly Any open or break on this circuit causes an overheat code NOTE 2010 models do not have the 194 F bimetal below the PCB an Lau si www rinnai us 2011 Rinnai Corporation The flame rod now has a single
12. 17 22 series only Flame Rod Assembly 17 22 series only Thermistor Calibration Ability to insert a flag into the error code bank FF code Plastic tray under control panel for accidental spills to protect PCB etc Gas valve pressure balancing tube 17 22 series only Gas valve to manifold interconnection tube PCB Differences 17 22 series only Number of overheat bimetals 17 22 series only Activation temp of overheat safety components front bimetal s are unchanged rear bimetals are on 17 22 series only These changes were implemented on the 08 11 series several years ago No Yes No No longer needed due to di Yes pressure sensor Screw accessible from top of assembly Screw accessible from front of assembly vent and gas valve Connects to bottom of gas valve DIP switches and test buttons No DIP switches Single test button for all settings 2 PCB bimetal eliminated due to O i redundancy Thermal fuse 314 F Thermal fuse 421 F Rear HEX bimetal 266 F Rear HEX bimetal 185 F The location of these components were altered creating the need to alter the activation temperature www rinnai us 2011 Rinnai Corporation OD APPENDIX C 2000 2008 RETROFIT PROGRAM www rinnai us 2011 Rinnai Corporation RHFE 556 431 DV Furnace Retrofit Program Rinnai D MODELS AFFECTED RHFE 431 FAI RHFE 431WTA RHFE 556 FAIII RHFE 556 WIA What i
13. INNAIS 888 746 6247 PLEASE DO NOT GIVE THIS NUMBER TO CONSUMERS e Engineering Applications Department Fielding issues related to product applications including sizing e Available in office from 8 a m to 5 p m EST The engineering dept does not size heating appliance applications an industry accepted Btu heat loss calculation must be performed by the installer www rinnai us For extensive product sales and service information Of Note a comprehensive documents library is available at the sales service link Website registration is required for access www rinnai us 2011 Rinnai Corporation Product Model Numbers and Specifications NEW MAX s MODELS PREVIOUS MODELS power DECIBELS EX08C ES08 RHFE 201 FA 55 5 82 0 41 42 W 27 36dB NG LP EX11C ES11 RHFE 263 FAIl 69 3 102 5 44 47 W 31 38dB 5 500 11 000 NG 7 Ho 5 700 11 000 LP ES17 RHFE 431 FAIII EXI7C ex7 RHEE st wra 1131878 40 46 W 33 38dB 8 200 16 700 NG LP ES22 RHFE 556 FAIII 8 200 21 500NG EX22 111 3 162 7 2W 2 42dB 7 10 500 38 400NG NG 80 6 ES38 RHFE 1004 FA 203 4 360 6 121 W 37 47dBA 10 500 1 ne Ensure the correct part number is identified for service parts support Current model specifications previous models may slightly vary All models available in beige EX22 C and ES38 models are also available in white Beige White EX17C EX08C ES38 EX22C EX11C www
14. Label a ae EX17CN INAT GAS EX22CP eens Wi I FHFE 434FTA A N INPUT EFE SS0FTA A P INPUT res ao Uo 8 200 BTU H 20 700 BTU H va 1 xDe26 et xEF10 Gas type and model numbers are now located on label cartons no longer color coded Cartons were color coded by model and gas type label includes model number ana serial number www rinnai us 2011 Rinnai Corporation 67 Quick Reference Guide MP ES Temperature Settings and C from PCB and C from PCB and C from Control Panel Paper Template in Box doesn t work with C Paper Template in Box doesn t On Outside of Box doesn t work with Installation Template series models work with C series models previous models Weekly WTA Models Only Weekly WTA Models Only Daily C Series Models Only High Altitude 2000 Up to 10 200 Up to 10 200 Setback Function PN Yes ee frost protection Combustion and Convection fan validation Combustion Fan Only Combustion Fan Only Both new code 62 for convection fan related issues New extension kit replaces FOT 190 and FOT 201 N A N A includes intake hose Maximum Temperature Setting Special Order or from PCB From Control Panel From Control Panel www rinnai us 2011 Rinnai Corporation 68 Quick Reference Guide Convection fan feedback signal to ensure proper operation Pressure Sensor to ensure proper operation Long vent terminal and jumper
15. Spark module operation lie 85 110VAC is applied to the module from the PCB via the blue and red wires Voltage is stepped up at the module and applied in the burner via the black wire If the spark occurs correctly the voltage is returned to the module via the white wire Voltage is returned to the PCB via the gray and orange wires thus allowing the gas valve to open i A To remove remove two screws on back of unit ensure correct screws are removed Remove single screw at gas tubing Note gasket and o ring where assembly connects NOTE POV screw should only be adjusted during replacement or under Rinnai direction Ensure gas valve assembly is installed before completing next slide 18 1 L 1 aa a rer w pawl 7 40 Ensure 194 F bimetal bracket is removed first Remove two screws holding manifold Gently swing manifold out for access to venture openings and orifices NOTE There is an o ring where gas tubing connects with manifold Upon reassembly ensure alignment pins are seated correctly For nuisance flame related errors carefully burn out venture openings with a propane torch and blow out crystallized remnants with high air pressure This will ensure no spider webs have settled in openings 54 lt 9 Rinnai Remove top screw from panel NOTE bottom screw was removed with front cover Pull panel free Panel fiber gasket must remain int
16. act Replace if the gasket has been compromised in any way N VP 4 N NO yy 4 58 Remove manifold plate previous slide Remove four screws on cover plate models prior to 2009 had six screws NOTE If the burner box and cover are removed their fiber gaskets MUST be replaced with new gaskets This is the gasket that should be replaced under the Retrofit Program 2000 2007 models only Burner box will slide out of heat exchanger Burner box can be separated from cover by removing two front screws 59 Burner box can be disassembled for inspection this is rare 1 Remove single screw on back of burner 2 Remove plate on back of burner 3 Individual burners will come free 4 NOTE burner with flame capture plate must be installed in top of box This ensures flame rod is capturing the flame correctly 2009 and newer models do not have this plate 60 Heat Exchanger Removal 1 Remove front cover inside panel warm air seal panel and burner box assembly and if needed convection fan assembly 2 Remove two screws on left of heat exchanger 2010 model screws are toward the front 3 Remove single screw behind overheat bimetal and filter thermistor 4 Remove two screws behind right side of heat exchanger 5 Remove single screw attaching rubber boot to heat exchanger ee ke Bw rr 1 em Rome NT A rr TT www rinnai us 2011 Rinnai Corporation
17. act Replace the gasket it if has been compromised in any way 20 Remove six screws on cover plate 2 NOTE If the burner box and cover are removed their fiber gaskets MUST be replaced with new gaskets This is the gasket that should be replaced under the Retrofit Program 3 Burner box will slide out of heat exchanger 4 Burner box can be separated trom cover by removing two front screws 21 Burner box can be disassembled for inspection this is rare 1 Remove single screw on back of burner 2 Remove plate on back of burner 3 Individual burners will come free 4 NOTE burner with flame capture plate must be installed in top of box This ensures flame rod is capturing the flame correctly 22 ARE Ed Remove front cover inside panel warm air seal panel and burner box assembly and flame rod and if needed convection fan assembly Remove two screws on right of heat exchanger Remove single screw behind overheat bimetal and filter thermistor Remove two screws behind right side of heat exchanger Remove single screw attaching rubber boot to heat exchanger 23 1 Remove the three screws holding the exhaust elbow to the unit 2 NOTE the 0 ring inside the elbow l i F BI Ihe stainless steel heat exchanger and aluminized steel are formed to a om A bellows style to reduce expansion noise and to provide a larger su
18. ct value is a very good indication that the component is bad though For metering values for models 2008 or older reference Rinnai s Direct Vent Heater Service Manual ENSURE YOU ARE READING THE CORRECT PAGE www rinnai us 2011 Rinnai Corporation 26 LAB EXERCISE 1 Measure Incoming Voltage 1 At receptacle or extension cord 2 At primary of transformer E aN 2 Measure various transformer secondary points AS ke voltage resistance 3 Measure Continuity of safety circuit at various 1 At PCB connection point 2 If desired at bottom bimetal 4 Measure Resistance of Solenoids 1 Measure POV 2 Measure SV1 and SV2 1 Is the value half of specification 5 To measure flame rod current connect meter in series at flame rod Molex connector yellow wire see service manual Ensure meter is set correctly Control Panel Review C Series models EX08C 11C Temperature Control and Display Restricted Operation Lamp 17C 22C Display will enter a power saving dimmer mode Filter a pa a A ola rea wnen tiame IS presen MODELS during normal operation Indicator Flashing red fault code is present Rinnai i Clock Timer 1 Filter Child Lock Economy Timer 1 Timer2 Override EBH nee ON 4 V AN er ON OFF Economy Timer 1 and 2 Feature Note While off pressing Timer 1 and 2 together will change the display from F to C ES38 MODELS Temperature Control and Display R
19. ease For the unit to stage into high fire and allow gas to the two rear burners SV3 solenoid valve 3 must open Once it does the rear flame rods must detect flame within a set amount of time or operation will cease 40 RHFE 1004 ES38 Overview High fire and convection fan thermal fuses opens at Overheat bimetal sensor opens at Blue wire to left rear burner flame rod Red wire to right rear burner flame ZVA Front burner flame rod low l fire Sparker and spark sensing electrodes Overheat Thermistor 217 F a cause LAN lamp illuminate 226 F will cause error code 14 EE f J www rinnai us 2011 Rinnai Corporation 41 RHFE 201 263 08 11 Series Overview sequence of operation as the 17 22 series 2 The primary difference is the manifold Combustion Fan A X behind PCB only two orifices instead of four i Et SOUS 1 These units use the same basic P J a s 4 gt LE w T SS a 3 To E p o i Tis Overheat bimetal behind panel opens at 263 F _ Overheat thermal fuse opens at 421 F Overheat bimetal opens at 194 F www rinnai us 2011 Rinnai Corporation 1 APPENDIX A PRODUCT DISASSEMBLY AND COMPONENT REVIEW The following procedures are for EX1 7C EX22C service Procedures for other models will vary
20. enoid valve s SV1 amp SV2 signal and response signal are different O o o Fanerostaive Poonisosmenoomnn smms Oeon 7 comman O oarece OOOO O Concerne o9 Fuebickorveringdecomect Cresk rate and oiraust inside and ouside tor tiockage or eoz www rinnai us 2011 Rinnai Corporation 3 Maintenance Codes Rinnai For component D DIGITAL SWE DIP SNITCH level wiring A ANALOG 4 O AFM ADJUST SATEH pA O O O O diagrams OH OVERHEAT ks SW2FM ADJUST SWATCH Lu Ss 70 SWJ POV PRESSURE ADJUST SWATCH H reference SC SHORT CIRC CONTROL DISPLAY UNIT Er OS SET OOOO Rinnai s Direct DC DISCONNECT l Io SMe POW PRESSURE ADJUST SWITCH Lo Vent Heater L al BF cars Service Manual HHAMN EUUR FESR ROME aii EESFEEECS KE Es le a d o G ENSURE YOU Hz Qu ARE READING A 72 76 or THE CORRECT a eo ee 76 80 PAGE Ma CY fa fard i D 31 or 32 A HI or 64 68 72 or D 68 72 76 D 16 or 33 or 34 Ons al Moime A 60 64 68 Ty h 12 rh Il 3 AMP FUSE D 61 del Fi NO OPERATION A LO 60 64 D 53 TR T A LO HI Lt A LO or 80 D PF aP FR D 12 or 72 www rinnai us 2011 Rinnai Corporation a Gas Pressure Settings Gas Conversion e Conversion kits are available for each model Older models included the kit with the product Opposite gas type rating plate Opposite gas type orifices Primary and secondary air dampers model dependent
21. ircuit AND power is removed e When measuring a solenoid s resistance place the meter probes on the solenoid s lugs connection points with the wires disconnected from e correct resistance reading from a solenoid or transformer coil is not a guarantee that the component is good as the windings can open under load An incorrect value is a very good indication that the component is bad though For metering values for models 2008 and earlier reference Rinnai s Direct Vent Heater Service Manual ENSURE YOU ARE READING THE CORRECT PAGE www rinnai us 2011 Rinnai Corporation 63 Electrical Metering C Series Models LAB EXERCISE 1 Measure incoming voltage a At receptacle or extension cord 108 132 VAC b At primary of transformer Gray Gray 108 132 VAC 2 Measure resistance of transformer secondary points a Gray Gray 5 200 b Red Red 0 5 2 00 c Brown Brown 1 50 d Black Yellow 150 3500 3 Measure continuity of safety circuit at various a At PCB connection point b If desired at bimetals 4 Measure resistance of solenoids a POV Red White 60 900 b SV1 Black Yellow 1 5 2 5KO c SV2 Black White 1 5 2 5KO 5 To measure flame rod current connect meter in series at flame rod Molex connector yellow wire Current should measure greater than 1 0uA DC current www rinnai us 2011 Rinnai Corporation F APPENDIX B MODEL CHANGE QUICK REFERENCE GUIDE www rinnai us 2011 Ri
22. nnai Corporation 65 Quick Reference Guide 30 60 32 A 8340 8 30 31 Et Ti ie 80 82 RHFE 431RFA ES17 P NG 80 s RHFE 431RWTA EX17 80 80 RHFE 556RWTA EX22 EX22C W a RHFE 1004RFA ES38 ES38 T 80 60 80 60 RHFE 1004RFA W ES38W ES38W RHFE 201RFA ESO8 EXO8C 18 1 4 x 27 3 8 x 10 1 8 RHFE 263RFA EST EX11C 18 1 4 x 27 3 8 x 10 1 8 RHFE 431RFA WTA ES17 EX17 EX17C 29 7 8 x 22 7 8 x 10 1 8 RHFE 556RFA WTA t ES22 EX22 EX22C 29 7 8 x 22 7 8 x 10 1 8 RHFE 1004RFAT ES38 16 3 4 x 26 5 8 x 9 7 8 The EXO8C and EX11C have the same dimensions and weight 16 3 4 x 26 5 8 x 9 7 8 29 1 2 x 21 13 16 x 9 7 8 The EX17C and EX22C W have the same dimensions and ight 29 1 2 x 21 13 16 x 9 7 8 weig 36 5 8 x 26 3 8 x 13 Re Product weight o Changes 6 t Includes white models www rinnai us 2011 Rinnai Corporation a Quick Reference Guide Cabinet Design se J si nn b EXO8C EX11C EX17C and EX22C W ESO8 ES11 ES17 EX17 ES22 EX22 W ES38 W ES38 W does not change Doch pe Dont of con Caila om Times Tim 2 ria Toner 2 ow VRA amp oa NF ESOS ES11 ES17 ES22 EXO8C EX11C EX17C and EX22C Control Panel ES38 does not change not C series EX17 EX22 W UN oe 661 4766 im ints x iima LL i ours Packaging
23. oom temp lamp stays on Room temp displays only when adjusted Function Lock Pressing both arrows will engage 28 Economy Feature www rinnai us 2011 Rinnai Corporation Temperature Control and Display so Room temp lamp stays on RAR L Aci Room temp displays only when adjusted y Restricted Filter Indicator Child Safety Function Lock J ee ES08 ES11 ES17 ES22 MODELS 7 day 4 event timer features features Auto feature Auto feature Engages timers timers Override Vv cy O o ER temporarily bypasses timers lid Eno flame is present fault code is present no a Function Lock EX17 EX22 MODELS Pressing both arrows will engage Temperature Fahrenheit L approx 55 60 62 64 66 68 70 72 74 76 78 80 H approx 95 Range of all 29 431FA 431FAll 431FAlll 556FA 556FAII CONTROL Temperature Control and Display Set temp lamp stays on Room temp flashes NOTE Temperature displays in 4 F increments however at 0 6F or higher the next temperature LED will illuminate Example a room temperature of 76 6 F will display at Restricted Filter Indicator Economy Operation Lamp Green standby Solid red when flame is present eature Flashing red error code is present 30 MAINTENANCE CODE DIAGNOSTICS All current model direct vent furnaces have maintenance codes that can post if the
24. rface area for efficiency 24 RE ASSEMBLE THE UN ITS NOV Leave the front cover off of the unit KEY POINTS FOR TROUBLESHOOTING HOW TO PHOTOS DIFFERENT MODEL SPECIFICS www rinnai us 2011 Rinnai Corporation Electrical Metering Verifying electrical values of individual components iS not common but when necessary m correctly and safely Verifying incoming supply voltage is the most common metering especially during installation Key points when troubleshooting electrical values e Ensure volt meter probes are solidly contacting metal e Apply probes to the back of Molex connections when possible to prevent possible damage to connection points e Know your meter and how to set it for each type of measurement e Q Ohms or resistance e K X1000 ex 6KQ 6000 Ohms e u X 001 ex 6uA 0 006 Amps or 6 microamps e VAC or V AC voltage e VDC or V DC voltage e A amps ensure meter is set to DC current for flame rod measurements e Always set meter to next highest value from range as listed in manual e When measuring resistance ensure the component is disconnected from the circuit AND power is removed e When measuring a solenoid s resistance place the meter probes on the solenoid s lugs connection points with the wires disconnected from e correct resistance reading from a solenoid or transformer coil is not a guarantee that the component is good as the windings can open under load An incorre
25. rinnai us 2011 Rinnai Corporation Model Number amp Serial Number located on both sides of the product s l ENERGYSAVER Direct Vent Furnaces Operation Sequence Combustion fan purges heat chamber PCB verifies fan rotation 2 Ignition spark begins 3 When sensing electrode detects spark gas valve assembly opens 4 Ignition occurs and heat exchanger warms 5 Spark stops as flame rod amp PCB verify flame 6 When heat exchanger is warm enough convection room blower circulates warm air into the structure 7 When filled the humidifier tray ensures the air is not too dry if needed a i 8 Thermistor amp PCB determine gas and fan lt lt a settings Spark and sensing 9 When temperature set point is electrodes reached if needed gas valves close amp combustion fan stops Thermistor Convection fan continues to run to cool down unit se 10 When temperature drops process starts over www rinnai us 2011 Rinnai Corporation Primary Service Tools For service troubleshooting and component replacement the following primary service tools will be needed other tools could be needed on occasion a ES LILI E 72 MULTMETER 42154 au tha d Lint Da7 i an p E a D 7 2 Phillips Head es U Tube or Digital Screw Driver Dual Port Manometer 3 16 Allen Wrench Multimeter Volt Ohm Meter www rinnai us 2011 Rinnai Corporation
26. s on right side freeing PCB from unit 1 Remove the ground screw and wire Remove the four screws on the inducer motor plate Note the indicator marks in the 5 00 o clock position for alignment Remove thermal overheat fuse by pulling up on bracket Fuse opens at 314 F Open fuse harness clamps to release wires Remove ground wire from panel NOTE Unit will not operate with this wire disconnected from unit Remove 6 screws to remove inside panel Safety Component Review j PELLE DE Lgl i Ti Wee All bimetals m oy seems are in series REA encase with thermal fuse Any open or break on this circuit Causes an overheat code i A www rinnai us 2011 Rinnai Corporation Remove 2 screws on leit of assembly Remove 2 screws on right of assembly Remove 2 screws below assembly behind heat exchanger To remove motor trom assembly loosen set screw on motor shaft and remove the 4 screws holding the motor to the housing The tangential wheel design is quieter in comparison to a centrifugal style blower D E e o e a a panase j 1 i i NN J 1 s Remove two screws and ground wire Bottom tray that houses spark module and transformer will come free To remove transformer only remove single screw securing transformer to tray Note tab fitted into slot on rear of transformer
27. s this program about y There is a potential safety issue with two specific previousl manufactured models of the Direct Vent Furnace products Model RHFE 431 and RHFE 556 manufactured 2000 2007 Under certain rare circumstances a gasket used to seal between the burner cover plate assembly and the heat exchanger may not perform as intended reci ing in the potential for release of trace amounts of carbon monoxide into the Space being heated by the product While there have been no reports of serious injury or death as part of Rinna s continuing effort to ensure a safe and efficient product for our customers we are implementing a Voluntary Corrective Action Plan to locate and retrofit affected product with a different gasket and burner cover plate Because this issue presents a potential safety concern Rinnai voluntarily reported the matter to the Consumer Product Safety Commission CPSC CPSC monitored the program s inception and rapid progress and has recently closed their portion of oversight Rinnai will of course continue to be proactive in retrofitting as many products as possible at Our expense Please contact Rinnai customer service 800 621 9419 for more information www rinnai us 2011 Rinnai Corporation APPENDIX D RHFE 750 ETRA DIRECT VENT FIREPLACE ioe www rinnai us 2011 Rinnai Corporation Direct Vent Fireplace Features Rinnai Now the modulating technology of
28. screw accessible from the front The flame rod is now held by a plate Plate has two tabs at the back that MUST seat in slots on heat exchanger The sparker and spark sensing connections are now the same Interchanging these wires should not affect performance The sparker and spark sensing wires are both white a 52 1 2010 models now have a feedback signal returning to the PCB Should an inadequate fan speed be detected the unit could post a fault code 62 2 The tangential wheel design is quieter in comparison to a centrifugal style blower 53 After removing control panel previous slide remove 2 screws securing left panel to frame Slide panel forward to remove IMPORTANT ensure all alignment tabs are seated correctly upon reassembly Behind panel is a single screw securing left side of fan to frame Three screws secure the fan on the right side To remove motor from assembly loosen set screw on motor shaft and remove the 4 screws holding the motor to the housing 54 Ensure all power gas and grounding screws are removed The spark module is now in the PCB casing securing the module sub PCB To remove the transformer remove single screw securing transformer to frame Note tab fitted into slot on rear of transformer E Spark module operation a 85 110VAC is applied to the module from the PCB via the blue and red wires b Voltage
29. unit isn t operating to specification e In addition to an error code on the display the flame indication lamp must be flashing e Models with analog displays will flash a series of LED s to indicate the code e The last nine error codes can be retrieved from each unit by pressing the Economy and Up Down Temperature buttons together while the unit is OFF e Refer to the model s owner s installation manual or service manual for more information www rinnai us 2011 Rinnai Corporation 31 Maintenance Codes Operation intervention is required for all codes EXCEPT a code 11 2009 mode Is DIGITAL ANALOG CODE CODE PROBABLE CAUSE Con O gt e fu sm H 16 ver temperature cutoff Room temperature is sensed as being above 104 F for longer than 10 minutes C ee o AC T7 NN 7660 52 montmpoauenemeorsnont Foomnpeaure meme vie shoteder uongee mea C aer os Henimtmemsorascomecion H rimiemeoropenomut LO 60 64 Abnormal spark sensed Sparker not OFF within 20 seconds at time of ignition 15t spark sense not within 2 Bimetals or thermal fuse has activated seconds 24 spark sense not within 1 second after solenoid valve opens wue o Aromalconminionanmatrimm Fansemiameumnimeeneram NA 62 Convection fan failure Ensure convection fan can turn freely C Series Models Only see 70 onomea ONOFF atch comes coninuousy tor more tan 18 seconds LO6o 71 Solenoidvalvecheck Sol
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