Manuals / Rinnai / Household Appliance / Boiler

Rinnai E110CP, E75CN, E110CN, E75CP user manual 15.1.2Block, check flow through the installation

Models: E75CP E110CN E75CN E110CP

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15.1.2Block 11

maximum average DT of supply and return sensor for central heating is repeatedly exceeded. Operation is normally possible for the hot water supply during the block. The pump continues to operate at minimum capacity during the block.

check flow through the installation

seetheinstallationinstructionsforthehydraulic connections to the boiler (3-Way-Thermostatic valve, Plumbing Kit installed?)

possible causes: (radiator) shut-off valves closed or blocked water filter

activeted room sensor (RS101) in non leading room (closed thermostatic radiator valves?)

check pump height.

check minimum and maximum Temperature difference in Parameter Step 46 + 47.

Installation & Servicing Instructions Rinnai E-Series

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Rinnai E110CP, E75CN, E110CN, E75CP user manual 15.1.2Block, check flow through the installation

Contents

Instructions I n s t a l l a t i o n & S e r v i c i n gHigh efficiency condensing gas boiler E75CN/E110CN E75CP/E110CPSubject to technical changes Contents of instructionsUpdating of documentation Content 1Safety and general instructions 1.3 Symbol definitions1.1 Designated use 1.2 Hazard definitions1.4 The following instructions must be followed DANGER1.6 Tools, materials and additional equipment 1.8Disposal2Regulations and guidelines i NOTICE3Description of the boiler Room sealed boilerCondensing Modulating4.1 Scope of delivery 4Packaging and transportation4.2Transportation 5.1Requirements for the installation room 5InstallationDANGER 5.2 Fitting the boiler NOTICE NOTICEDimensions Boiler typeCombi E75CNVent system / Combustion air supply Gas pipe - g 5.3.1Plumbing Kits Plumbing Kit5.3.2Clearances from boiler Low Loss Header5.4 Technical specifications E-SeriesNatural gas Propane gas6Connecting the boiler i i i6.1 Central heating system i NOTICE6.1.1Plumbing Kit installation NOTICE NOTICEInstallation & Servicing Instructions Rinnai E NOTICE NOTICE6.1.2Safety valve 6.1.3Low water cut off6.2Expansion tank i NOTICE6.3Underfloor heating system plastic pipes 6.4Gas supply connectioni NOTICE DANGERi NOTICE 6.4.1.Gas connection with natural gasi NOTICE DANGER i NOTICE i NOTICE i NOTICE DANGER 6.4.2Gas connection with propane gasi NOTICE DANGER i NOTICE i NOTICE 6.5Hot water supply 6.6 Condensate drain pipei i i DANGER NOTICE6.7 Vent system and air supply system 6.7.1Intake / Exhaust Guidelinesi NOTICE i NOTICEWall thickness for vent termination installation Examples wall terminalsMinimum 100mm / 4”Wall thickness for vent termination installation Examples sealed combustionsMinimum 100mm / 4”6.7.3Installation of the vent system i NOTICE i NOTICE i NOTICETerminal positions i i i NOTICENOTICE NOTICEDANGER NOTICE6.7.6 Combustion air and vent piping lengths Calculation of equivalent length vent systemParallel system Total equivalent length Concentric system6.7.7 Calculation of compensation factor NOTICEEq. length ft Boiler type E75 E110 CF6.7.8 Room Air System indoor combustion air Unconfined SpaceLouvers and Grills Confined SpaceLocation Using Indoor Air For Combustion 7Electrical connections i NOTICEFlowswitch 2 Amp. max X7120V 5 E-Promelectrical ladder diagram figure 15a8Boiler controls i NOTICEThe Good-stateor standard read out Technical read out8.1 Explanation of the function buttons 8Reset-buttoni NOTICE 3.Central Heating program buttonNOTICE NOTICE 9.1 Requirements of the water systemNOTICE NOTICE 9.2 Filling the heating systemNOTICE 9.3 Hot water supply i NOTICEOPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGTO TURN OFF GAS TO APPLIANCE 10 Adjustments 11.1 Altering adjustmentsi NOTICE i NOTICEParameter Mode Info ModePARA FACTORYOutdoor reset Service ModeError 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 NOTICEW.C.. Follow the next procedure 12.4 Checking of the zero pressure controli NOTICE i NOTICE 12.5 Checking the O2i NOTICE 12.7 Installing the casing 12.6 Measuring the ionization currentMaintenance 13.2 Inspection14.2.4Checking and adjusting the gas/air ratio 14.2.5Testing for gas leaks14.2.2Measuring the ionization current 14.2.3Measuring the inlet gas pressure13.2 Maintenance activities DANGER Step 1: Condensate trapStep 2: Condensate tray DANGER13.4 Warranty Visual inspection of the flame14 Parts of the boiler 15 Blocks and Errors Error indication short reference15.1 Blocks external safety contact is active15.1.1Block check flow through the installation 15.1.2BlockExecute Parameter-Reset 15.1.3Block15.1.4Block check flow through the boiler and DHW fascility15.1.5Block check the sensors NTC 1 and NTCcheck the main power supply 15.1.6Block15.1.7Block check the boiler pump15.2 Errors 15.2.1Errorboiler has not been burning but an ionisation flow flame has still been detected15.2.2Error check the 24 Volt connectioncheck the disconnected components for short-circuiting15.2.3Error 15.2.4Error 15.2.5Errorsoftware error con trol unit reset the boiler15.2.6Error the error persists after reset software errorcheck the ribbon cable between the control unit and the display15.2.7Error software error control unit15.2.8Error check the interface and the ribbonthe error persists after reset software error cable between the control unit and the display15.2.9Error remove thevoltage from the boiler and check fuse F2 check the 24 Volt connections15.2.10Error software error control unit15.2.11Error 15.2.12Error check actual flow temperatureChange control unit when error persists check flow sensor NTC115.2.13Error check actual return temperaturecheck return sensor NTC Change control unit when error persists15.2.14Error fuse is working and the error is repeatedwiring and voltage are OK and error is repeated the fan is not spinning15.2.15Error 15.2.16Error 15.2.17Error 1 error 2operational statuscheck the data in Error mode check the wiring15.2.18Error 15.2.19Error 15.2.20Errorsoftware error control unit software error control unit16Other errors Keyof the hot water program is not switched onDHW sensor of flowswitch defective when using RS101hot water but no central heating 16.2 Hot water but no central heatingcentral heating installation gets hot without being requestedKeypump program is on dirt in three-portvalveinsufficient quantity of hot water 16.4Insufficient quantity of hot waterhot and cold water connection to the boiler mixed upTemperature drop of the DHW 16.5Temperature drop of the DHWDHW power for the boiler is set too low flow reducing valvecheck setting of room thermostat or RS101 supply water temperature too lowincorrect choice of installation installation resistance too high given an17 Spare parts Parts casing E-Seriesqualiﬁed installer or the gas supplier Do NOT touch any electrical switchItem DescriptionParts heat exchanger E-Series E75C Parts rear wall E-Series E75C Parts pipes E-Series Item DescriptionPart No E75CParts electrical components E-Series 168 HLS high limit switch162 T1 supply sensor 160 T2 return sensor 167 T3 DHW sensor 166 T5 flue gas sensorE75C 18 Parts list vent system Vent ProductsHeatfab IPEX19 Common venting guidelines Appendix A - Outoor Reset Sensor Data Temperature coefficientR 25 C 12 kPage Page Page E. & O. E 800000012 9/2009Distributor for the USA