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Rinnai E110CN, E110CP, E75CN, E75CP 16.5Temperature drop of the DHW, flow reducing valve

Models: E75CP E110CN E75CN E110CP

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16.5Temperature drop of the DHW

Temperature drop of the DHW

flow reducing valve

check flow reducng valve for the correct type in accordance with the installation instructions

DHW power for the boiler is set too low

- check PARA chapter Step No. 43

- check the functioning and wiring of the DHW sensor T3

Installation & Servicing Instructions Rinnai E-Series

Page 90

Image 90

Rinnai E110CN, E110CP 16.5Temperature drop of the DHW, flow reducing valve, DHW power for the boiler is set too low

Contents

High efficiency condensing gas boiler InstructionsI n s t a l l a t i o n & S e r v i c i n g E75CN/E110CN E75CP/E110CPContents of instructions Subject to technical changesUpdating of documentation Content 1.1 Designated use 1Safety and general instructions1.3 Symbol definitions 1.2 Hazard definitions1.4 The following instructions must be followed DANGER1.6 Tools, materials and additional equipment 1.8Disposal2Regulations and guidelines i NOTICECondensing 3Description of the boilerRoom sealed boiler Modulating4Packaging and transportation 4.1 Scope of delivery4.2Transportation 5Installation 5.1Requirements for the installation roomDANGER 5.2 Fitting the boiler NOTICE NOTICECombi DimensionsBoiler type E75CNVent system / Combustion air supply Gas pipe - g 5.3.1Plumbing Kits Plumbing Kit5.3.2Clearances from boiler Low Loss HeaderNatural gas 5.4 Technical specificationsE-Series Propane gas6.1 Central heating system 6Connecting the boileri i i i NOTICE6.1.1Plumbing Kit installation NOTICE NOTICEInstallation & Servicing Instructions Rinnai E NOTICE NOTICE6.2Expansion tank 6.1.2Safety valve6.1.3Low water cut off i NOTICEi NOTICE 6.3Underfloor heating system plastic pipes6.4Gas supply connection DANGER6.4.1.Gas connection with natural gas i NOTICEi NOTICE DANGER i NOTICE i NOTICE 6.4.2Gas connection with propane gas i NOTICE DANGERi NOTICE DANGER i NOTICE i NOTICE i i i 6.5Hot water supply6.6 Condensate drain pipe DANGER NOTICEi NOTICE 6.7 Vent system and air supply system6.7.1Intake / Exhaust Guidelines i NOTICEMinimum Wall thickness for vent termination installationExamples wall terminals 100mm / 4”Minimum Wall thickness for vent termination installationExamples sealed combustions 100mm / 4”6.7.3Installation of the vent system i NOTICE i NOTICE i NOTICETerminal positions NOTICE i i iNOTICE NOTICEDANGER NOTICEParallel system 6.7.6 Combustion air and vent piping lengthsCalculation of equivalent length vent system Total equivalent length Concentric systemEq. length ft 6.7.7 Calculation of compensation factorNOTICE Boiler type E75 E110 CF6.7.8 Room Air System indoor combustion air Unconfined SpaceConfined Space Louvers and GrillsLocation Using Indoor Air For Combustion 7Electrical connections i NOTICE120V 5 Flowswitch2 Amp. max X7 E-Promelectrical ladder diagram figure 15aThe Good-stateor standard read out 8Boiler controlsi NOTICE Technical read outi NOTICE 8.1 Explanation of the function buttons8Reset-button 3.Central Heating program button9.1 Requirements of the water system NOTICE NOTICENOTICE 9.2 Filling the heating system NOTICENOTICE 9.3 Hot water supply i NOTICEFOR YOUR SAFETY READ BEFORE OPERATING OPERATING INSTRUCTIONSTO TURN OFF GAS TO APPLIANCE i NOTICE 10 Adjustments11.1 Altering adjustments i NOTICEPARA Parameter ModeInfo Mode FACTORYError Mode Outdoor resetService Mode Heat curve day Heat curve night11 Isolating the boiler the boiler and/or the installation12 Commissioning NOTICE NOTICE DANGER12.1 Testing for gas leaks 12.2 Testing the Ignition Safety shut off device12.3 Checking for contamination NOTICE12.4 Checking of the zero pressure control W.C.. Follow the next procedurei NOTICE 12.5 Checking the O2 i NOTICEi NOTICE 12.7 Installing the casing 12.6 Measuring the ionization currentMaintenance 13.2 Inspection14.2.2Measuring the ionization current 14.2.4Checking and adjusting the gas/air ratio14.2.5Testing for gas leaks 14.2.3Measuring the inlet gas pressure13.2 Maintenance activities Step 2: Condensate tray DANGERStep 1: Condensate trap DANGER13.4 Warranty Visual inspection of the flame14 Parts of the boiler 15 Blocks and Errors Error indication short referenceexternal safety contact is active 15.1 Blocks15.1.1Block check flow through the installation 15.1.2Block15.1.4Block Execute Parameter-Reset15.1.3Block check flow through the boiler and DHW fascility15.1.5Block check the sensors NTC 1 and NTC15.1.7Block check the main power supply15.1.6Block check the boiler pumpboiler has not been burning but an 15.2 Errors15.2.1Error ionisation flow flame has still been detectedcheck the disconnected 15.2.2Errorcheck the 24 Volt connection components for short-circuiting15.2.3Error software error con trol unit 15.2.4Error15.2.5Error reset the boilercheck the ribbon 15.2.6Errorthe error persists after reset software error cable between the control unit and the display15.2.7Error software error control unitthe error persists after reset software error 15.2.8Errorcheck the interface and the ribbon cable between the control unit and the displayvoltage from the boiler and check fuse F2 15.2.9Errorremove the check the 24 Volt connections15.2.10Error software error control unit15.2.11Error Change control unit when error persists 15.2.12Errorcheck actual flow temperature check flow sensor NTC1check return sensor NTC 15.2.13Errorcheck actual return temperature Change control unit when error persistswiring and voltage are OK and error is repeated 15.2.14Errorfuse is working and the error is repeated the fan is not spinning15.2.15Error 15.2.16Error check the data in Error mode 15.2.17Error1 error 2operational status check the wiring15.2.18Error software error control unit 15.2.19Error15.2.20Error software error control unitDHW sensor of flowswitch defective 16Other errorsKeyof the hot water program is not switched on when using RS101hot water but no central heating 16.2 Hot water but no central heatingKeypump program is on central heating installation gets hotwithout being requested dirt in three-portvalvehot and cold water connection to the boiler insufficient quantity of hot water16.4Insufficient quantity of hot water mixed upDHW power for the boiler is set too low Temperature drop of the DHW16.5Temperature drop of the DHW flow reducing valveincorrect choice of installation check setting of room thermostat or RS101supply water temperature too low installation resistance too high given anqualiﬁed installer or the gas supplier 17 Spare partsParts casing E-Series Do NOT touch any electrical switchItem DescriptionParts heat exchanger E-Series E75C Parts rear wall E-Series E75C Parts pipes E-Series Part No ItemDescription E75C162 T1 supply sensor 160 T2 return sensor Parts electrical components E-Series168 HLS high limit switch 167 T3 DHW sensor 166 T5 flue gas sensorE75C Heatfab 18 Parts list vent systemVent Products IPEX19 Common venting guidelines R 25 C Appendix A - Outoor Reset Sensor DataTemperature coefficient 12 kPage Page Page 800000012 9/2009 E. & O. EDistributor for the USA