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9

1.2 IMPORTANT SAFETY INFORMATION

Meaning of the symbols used in the manual for important safety information:

IMPORTANT

Indicates a situation of potential serious danger, to respect and follow carefully.

WARNING

Indicates a potentially hazardous situation which, if not avoided, may lead to injury or property damage.

AVVISO

Indicates an important information.

NOTE

Information on the correct use, installation and operation of the product.

Indicates a potential condition of serious danger which must be complied.

Indicates a condition which should be avoided.

Indicates a ground connection for the prevention of an electric shock.

Warns of a risk of fire. Keep the area clean and free from flammable materials.

Warns of a risk of injury or property damage when contacting.

The appliance should be installed by qualified personnel only.
OUTDOOR models must be installed in outdoor, always open air and well aerated areas.
INDOOR models can be installed outdoor, in partially protected areas: not directly exposed to 

weather conditions.
Use the appliance only for water heating.

Use the appliance to heat sanitary hot water: for any different use, please contact Rinnai.
Do not modify this appliance: do not attempt to repair, replace or open sealed parts or disassemble the appliance.
Improper adjustment, alteration, service or maintenance could significantly affect the safety of the product: for any kind 

of repair, modification of the settings or maintenance of the product and its accessories, it is recommended to contact 

the Rinnai technical service centre.

Use original Rinnai parts to repair the appliance.

In case of unusual noise, vibration or smell, stop the appliance and contact the Rinnai service for further information

If you smell gas:
 

- isolate the main gas supply;

 

- open doors and windows;

 

- call your gas engineer;

use a telephone outside the building.

In case of earthquake, fire, gas leak, unusual noise or smell, isolate the gas 

and power supply and open doors and windows.

IMPORTANT

Summary of Contents for Infinity N26e

Page 1: ...neous condensing water heaters Operation and installation manual Indoor models Infinity N32i REU N3237FFC E Infinity N26i REU N2635FFC E Outdoor models Infinity N32e REU N3237WC E Infinity N26e REU N2...

Page 2: ...N32i REU N3237FFC E Infinity N26e REU N2635WC E Infinity N32e REU N3237WC E Quality system standard ISO 9001 The design development and manufacture of gas water heating appliances done under Rinnai s...

Page 3: ...force and technical standards According to legislation in force the systems must be designed by qualified technicians Installation and maintenance must be performed in compliance with the regulation i...

Page 4: ...in connection with the replacement of a product or heat exchanger If Rinnai determines that repair of a product is not possible Rinnai will replace the product with a comparable product at Rinnai s di...

Page 5: ...L CONNECTION 25 2 6 5 FLUE SYSTEM 25 2 7 CONDENSATE 28 2 7 1 CONDENSATE GUIDELINES 28 2 7 2 CONDENSATE DRAIN PIPE CONNENCTION 28 2 7 3 CONDENSATE PUMP SAFETY SWITCH WIRING 29 2 8 REMOTE CONTROLLER 30...

Page 6: ...AGRAM AND DIAGNOSTIC POINTS 48 3 8 MAINTENANCE 49 3 8 1 CLEANING AND INSPECTING THE AIR FILTER 49 3 8 2 FLUSHING THE HEAT EXCHANGER 50 3 8 3 MANUAL DRAINING OF THE WATER HEATER 51 3 8 4 MAINTENANCE IN...

Page 7: ...7 1 USER S INSTRUCTIONS The following section provides instructions for a proper use of the product This section is intended for the use by qualified technical personnel and end users...

Page 8: ...sed If water is preheated with solar panel heat pumps etc the two internal sensor detect the temperature and prevent the ignition and gas consumption only compensating the hot water temperature The pr...

Page 9: ...air and well aerated areas INDOOR models can be installed outdoor in partially protected areas not directly exposed to weather conditions Use the appliance only for water heating Use the appliance to...

Page 10: ...grounding otherwise the appliance could be severely damaged or operate improperly The extension of the power cord should be avoided e g using an extension cord or a multiple socket If the supply cord...

Page 11: ...immediate way to the use of hot water according to your needs In the indoor models the control panel is integrated on the front panel of the appliance and cannot be removed in the outdoor models the c...

Page 12: ...40 41 42 43 44 45 46 48 50 55 601 651 751 Sub 37 38 39 40 41 42 43 44 45 46 48 50 1 selectable temperatures after changing the PCB parameters The temperatures below are intended as examples you can s...

Page 13: ...t the procedure to cancel the choice made Transferring priority When more than one command is installed to change the temperature of the hot water supplied it is necessary to transfer the priority fun...

Page 14: ...ontroller 43 C 55 C If the temperature set on the main control is 50 C and the priority is transferred to a secondary command and then transferred back to the main the temperature set on the main cont...

Page 15: ...n Off button 2 Press and hold the On Off for 2 seconds and then the Up button simultaneously 3 The last 9 maintenance codes display and flash one after other 4 To exit diagnostic codes and return the...

Page 16: ...or Service call 51 Inlet Thermistor Service call 52 Gas Valve Service call 54 High Exhaust Gas Temperature Ensure condensate line is not blocked Confirm inlet water temperature is not too high Service...

Page 17: ...enance or cleaning Clean the outer casing and the control using soft cloths dampened with water or non aggressive detergents Do not use solvents At the end of maintenance or cleaning always inspect th...

Page 18: ...18...

Page 19: ...19 2 INSTALLER S INSTRUCTIONS The following section provides specific instructions for the proper installation of the product This section is intended for the use by qualified technical personnel...

Page 20: ...ing The appliance must be fixed to a flat vertical support wall with the gas and water connections facing downwards The positioning of the flue gas exhaust terminal must comply with the regulations in...

Page 21: ...mote outdoor models only FLAME ROD ELECTRODE GAS PIPE CASING PCB TRAP HEAT EXCHANGER BURNER BODY PRESSURE RELIEF VALVE OUTGOING THERMISTOR HOT WATER OUTLET WATER FLOW CONTROL DEVICE EXHAUST DUCT EXHAU...

Page 22: ...142 2 466 56 6 GAS COLD HOT CONDENSATE OUTLET DIMENSION R 3 4 23 9 mm 41 2 mm 53 7 mm 45 2 mm CONNECTION R 1 2 R 3 4 R 3 4 470 71 6 670 139 2 276 15 240 8 A 654 654 725 6 33 4 38 2 160 180 Coaxial Fl...

Page 23: ...taps are closed the PCB does not receive any signal from the flow sensor and commands closing of the gas valves effectively extinguishing the flame to the burner A forced ventilation cycle is then per...

Page 24: ...equired Contact Rinnai or your supplier for further instructions When connecting the water supply pipes it is recommended to have a valve and a filter on the cold water inlet union and a valve on the...

Page 25: ...cian and use only original Rinnai spare parts to avoid invalidating the warranty The use of plug adapters multiple sockets or prounges is not permitted The appliance meets the requirements of the Euro...

Page 26: ...e for the flue system The main components of the flue system are reported below The main minimum distances of respect required by the technical Standard UNI 11528 for the correct positioning of the ex...

Page 27: ...RIZONTAL VERTICAL EXTENSION FLUEING WITH ROOF TERMINAL FOT KX080 001 Coaxial prolongue 80 125 L 1000mm FOT HX125 012 Lead tile FOT HX080 009 Coaxial roof terminal 80 125 L 480 mm FOT KX080 001 Coaxial...

Page 28: ...g media that raises the pH of the condensate to a level that will help prevent corrosion of the drain and public sewer system The condensate drain pipe should be as short as possible and have a downwa...

Page 29: ...on on the controller Test operation 1 Test the operation of the shut off switch by unplugging the condensate pump and filling the condensate reservoir with water until the float switch closes the circ...

Page 30: ...are provided The water controller set as the MASTER water controller MUST NOT be installed in a bathroom DO NOT install water controllers in direct sunlight DO NOT install water controllers against a...

Page 31: ...e additional remote controls must be electrically connected in parallel a series connection causes the system to malfunction and can damage the components of the appliance 2 8 2 STANDARD REMOTE CONTRO...

Page 32: ...edure for the fourth controller you may ignore Question 2 QUESTION 2 Do you want hot water temperature limited to 50 C YES No further action required NO You need to unlock the Master remote to achieve...

Page 33: ...uired for each water heater Includes 1 cable and 2 cascade jumper For the installation of two Rinnai Infinity SENSEI it is sufficient to install a cascade connection cable REU CSA C1 Installation of c...

Page 34: ...r identified as Primary NOTE Controller will display 08 Cascade units in standby Adjust the parameter setting on the primary unit to set the number of water heaters in standby Standby units will maint...

Page 35: ...stall the recirculation pump on the return line according to the pump manufacturer installation instructions Install a check valve in the return line as shown in the plumbing diagram if one is not int...

Page 36: ...table based on the temperature thermistor readings Economy Mode The Economy mode operates as follows Less energy consumed due to fewer pump cycles Assumes plumbing is insulated minimal pipe heat loss...

Page 37: ...tted ensure they are ON with the maximum delivery temperature selected and open all available hot water outlets If controllers are not fitted simply open all available hot water outlets CAUTION Ensure...

Page 38: ...38...

Page 39: ...39 3 MAINTENANCE INSTRUCTIONS The following section provides specific instructions for proper maintenance of the product This section is intended for the use by qualified technical personnel...

Page 40: ...Nr Menu Value A b C d E F 01 Fixed and maximum temperature 1 See notes 02 03 Service soon 55 2 Disabled 6 months 1 year 2 year 04 Recirculation pump output No Yes 05 Recirculation mode 3 Economy Comf...

Page 41: ...the hot water temperature delivery in case of heat losses due to lack of insulation of water pipes Default setting is 0 C temperature set on water controller is the delivered temperature If the set t...

Page 42: ...plate Fig 1 6 Remove the plastic orifice from the housing Fig 2 7 Install the new inner and outer gasket on the orifice Fig 2 8 Install new orifice into housing 9 Check the gas type displayed on the o...

Page 43: ...ormal operating sequence When you press the On Off button the LED display will illuminate the combustion fan begin to run if water is flowing and the spark will ignite the main burner This water heate...

Page 44: ...power is supplied to the appliance Parts of the PCB are supplied with 230 V 9 Connect Data Transfer Cable provided to the green connector at the top of both the new PCB and the original PCB as illust...

Page 45: ...ppears in the display Refer to the Technical Data Sheet located on the inside front cover of the water heater for additional information DATA UNIT 01 Water Flow Data x 0 1 l min 02 Outgoing Temperatur...

Page 46: ...gram 0 5 10 15 20 25 30 35 40 0 100 200 300 400 500 600 700 Water Flow rate l min Water pressure kPa Bypass servo Full Close Tset 65 C N26 Bypass servo Full Open Tset 37 C N32 Bypass servo Full Open T...

Page 47: ...47 3 6 FLOW CHART...

Page 48: ...imiter ON less than 1 V OFF 4 6 V BYPASS FLOW CONTROL DEVICE D6 R P 40 60 W BL 40 60 GAS SOLENOID VALVE D7 Y BK 11 14 V in operation 15 25 OUTGOING THERMISTOR H1 W W No 1 2 W W No 3 4 15 C 11 4 14 0 k...

Page 49: ...ntake air or exhaust is impeded blocked or partially blocked by obstructions Clean the water filter Clean the inlet water filter by closing the cold and hot water inlet isolation shut off valves Put a...

Page 50: ...e water heater in operation disconnect the electricl power 4 Close the shutoff valves on both the hot water and cold water lines V3 and V4 5 Connect pump outlet hose H1 to the cold water line at servi...

Page 51: ...mperature controller Running a low volume of water through the water heater to prevent freezing If the temperature exceeds the ability of the water heater to freeze protect itself or if power is lost...

Page 52: ...30 47 00 45 00 kW G20 Nat Gas flow ref conditions Vr 4 50 4 50 m3 h G230 Air Propane Input Qn Hi Hs Output Pn 43 20 47 00 45 00 43 20 47 00 45 00 kW G230 Air Propane flow ref conditions Vr 3 50 3 50 m...

Page 53: ...50 kW G20 Nat Gas flow ref conditions Vr 5 50 5 50 m3 h G230 Air Propane Input Qn Hi Hs Output Pn 53 30 57 90 55 50 53 30 57 90 55 50 kW G230 Air Propane flow ref conditions Vr 4 40 4 40 m3 h G30 Buta...

Page 54: ...set 60 C Gas G20mbar High calorific value Hs According to Reg UE 812 2013 1 40 C with water control connected Unit Supplier s name Rinnai Italia srl Supplier s model REU N3237FFC E REU N3237WC E Load...

Page 55: ...55...

Page 56: ...Via Liguria 37 41012 Carpi Modena Tel 059 622 9248 e mail info rinnai it rinnai it V 1 190827 This manual replaces any edition previously published...

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