Manuals / Rinnai / Household Appliance / Boiler

Rinnai E75CN, E110CP, E110CN, E75CP user manual Vent system / Combustion air supply Gas pipe - g

Models: E75CP E110CN E75CN E110CP

1 108

Page 13

	Connection for combustion air supply and vent system
f	w g k r c
	f	w g k r c
boiler connections / mounting points
	Boiler type		Combi
		E75CN	E110CN
		E75CP	E110CP

figure 2

Vent system / Combustion air supply

Gas pipe - g

Supply pipe - f

Return pipe - r

Condensate pipe - c

Cold water pipe - k

Hot water pipe - w

connection diameters

80/125mm	80/125mm
3/4"M-NPT	3/4"M-NPT
0.87" x 3/4"M-NPT /	G3/4"x
22mm	3/4"M-NPT
0.87" x 3/4"M-NPT /	G3/4"x
22mm	3/4"M-NPT
0.87" / 22mm	0.87" / 22mm
0.59" x 3/4"M-NPT /	G1/2"x
15mm	3/4"M-NPT
0.59" x 3/4"M-NPT /	G1/2"x
15mm	3/4"M-NPT

table 2

Installation & Servicing Instructions Rinnai E-Series

Page 13

Image 13

Rinnai E75CN, E110CP, E110CN, E75CP user manual Vent system / Combustion air supply Gas pipe - g

Contents

I n s t a l l a t i o n & S e r v i c i n g InstructionsHigh efficiency condensing gas boiler E75CN/E110CN E75CP/E110CPSubject to technical changes Contents of instructionsUpdating of documentation Content 1.3 Symbol definitions 1Safety and general instructions1.1 Designated use 1.2 Hazard definitionsDANGER 1.4 The following instructions must be followed1.8Disposal 1.6 Tools, materials and additional equipmenti NOTICE 2Regulations and guidelinesRoom sealed boiler 3Description of the boilerCondensing Modulating4.1 Scope of delivery 4Packaging and transportation4.2Transportation 5.1Requirements for the installation room 5InstallationDANGER NOTICE NOTICE 5.2 Fitting the boilerBoiler type DimensionsCombi E75CNVent system / Combustion air supply Gas pipe - g Plumbing Kit 5.3.1Plumbing KitsLow Loss Header 5.3.2Clearances from boilerE-Series 5.4 Technical specificationsNatural gas Propane gasi i i 6Connecting the boiler6.1 Central heating system i NOTICENOTICE NOTICE 6.1.1Plumbing Kit installationNOTICE NOTICE Installation & Servicing Instructions Rinnai E6.1.3Low water cut off 6.1.2Safety valve6.2Expansion tank i NOTICE6.4Gas supply connection 6.3Underfloor heating system plastic pipesi 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 6.6 Condensate drain pipe 6.5Hot water supplyi i i DANGER NOTICE6.7.1Intake / Exhaust Guidelines 6.7 Vent system and air supply systemi NOTICE i NOTICEExamples wall terminals Wall thickness for vent termination installationMinimum 100mm / 4”Examples sealed combustions Wall thickness for vent termination installationMinimum 100mm / 4”i NOTICE i NOTICE i NOTICE 6.7.3Installation of the vent systemTerminal positions NOTICE i i iNOTICE NOTICENOTICE DANGERCalculation of equivalent length vent system 6.7.6 Combustion air and vent piping lengthsParallel system Total equivalent length Concentric systemNOTICE 6.7.7 Calculation of compensation factorEq. length ft Boiler type E75 E110 CFUnconfined Space 6.7.8 Room Air System indoor combustion airLouvers and Grills Confined SpaceLocation Using Indoor Air For Combustion i NOTICE 7Electrical connections2 Amp. max X7 Flowswitch120V 5 E-Promfigure 15a electrical ladder diagrami NOTICE 8Boiler controlsThe Good-stateor standard read out Technical read out8Reset-button 8.1 Explanation of the function buttonsi NOTICE 3.Central Heating program buttonNOTICE NOTICE 9.1 Requirements of the water systemNOTICE NOTICE 9.2 Filling the heating systemNOTICE i NOTICE 9.3 Hot water supplyOPERATING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATINGTO TURN OFF GAS TO APPLIANCE 11.1 Altering adjustments 10 Adjustmentsi NOTICE i NOTICEInfo Mode Parameter ModePARA FACTORYService Mode Outdoor resetError Mode Heat curve day Heat curve nightthe boiler and/or the installation 11 Isolating the boilerNOTICE NOTICE DANGER 12 Commissioning12.2 Testing the Ignition Safety shut off device 12.1 Testing for gas leaksNOTICE 12.3 Checking for contaminationW.C.. Follow the next procedure 12.4 Checking of the zero pressure controli NOTICE i NOTICE 12.5 Checking the O2i NOTICE 12.6 Measuring the ionization current 12.7 Installing the casing13.2 Inspection Maintenance14.2.5Testing for gas leaks 14.2.4Checking and adjusting the gas/air ratio14.2.2Measuring the ionization current 14.2.3Measuring the inlet gas pressure13.2 Maintenance activities Step 1: Condensate trap DANGERStep 2: Condensate tray DANGERVisual inspection of the flame 13.4 Warranty14 Parts of the boiler Error indication short reference 15 Blocks and Errors15.1 Blocks external safety contact is active15.1.1Block 15.1.2Block check flow through the installation15.1.3Block Execute Parameter-Reset15.1.4Block check flow through the boiler and DHW fascilitycheck the sensors NTC 1 and NTC 15.1.5Block15.1.6Block check the main power supply15.1.7Block check the boiler pump15.2.1Error 15.2 Errorsboiler has not been burning but an ionisation flow flame has still been detectedcheck the 24 Volt connection 15.2.2Errorcheck the disconnected components for short-circuiting15.2.3Error 15.2.5Error 15.2.4Errorsoftware error con trol unit reset the boilerthe error persists after reset software error 15.2.6Errorcheck the ribbon cable between the control unit and the displaysoftware error control unit 15.2.7Errorcheck the interface and the ribbon 15.2.8Errorthe error persists after reset software error cable between the control unit and the displayremove the 15.2.9Errorvoltage from the boiler and check fuse F2 check the 24 Volt connectionssoftware error control unit 15.2.10Error15.2.11Error check actual flow temperature 15.2.12ErrorChange control unit when error persists check flow sensor NTC1check actual return temperature 15.2.13Errorcheck return sensor NTC Change control unit when error persistsfuse is working and the error is repeated 15.2.14Errorwiring and voltage are OK and error is repeated the fan is not spinning15.2.15Error 15.2.16Error 1 error 2operational status 15.2.17Errorcheck the data in Error mode check the wiring15.2.18Error 15.2.20Error 15.2.19Errorsoftware error control unit software error control unitKeyof the hot water program is not switched on 16Other errorsDHW sensor of flowswitch defective when using RS10116.2 Hot water but no central heating hot water but no central heatingwithout being requested central heating installation gets hotKeypump program is on dirt in three-portvalve16.4Insufficient quantity of hot water insufficient quantity of hot waterhot and cold water connection to the boiler mixed up16.5Temperature drop of the DHW Temperature drop of the DHWDHW power for the boiler is set too low flow reducing valvesupply water temperature too low check setting of room thermostat or RS101incorrect choice of installation installation resistance too high given anParts casing E-Series 17 Spare partsqualiﬁed installer or the gas supplier Do NOT touch any electrical switchDescription ItemParts heat exchanger E-Series E75C Parts rear wall E-Series E75C Parts pipes E-Series Description ItemPart No E75C168 HLS high limit switch Parts electrical components E-Series162 T1 supply sensor 160 T2 return sensor 167 T3 DHW sensor 166 T5 flue gas sensorE75C Vent Products 18 Parts list vent systemHeatfab IPEX19 Common venting guidelines Temperature coefficient Appendix A - Outoor Reset Sensor DataR 25 C 12 kPage Page Page E. & O. E 800000012 9/2009Distributor for the USA