Rinnai Infinity 20 External Operation And Installation Manual Download Page 1

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Continuous flow and temperature control

instantaneous gas water heater

Operation and installation manual

REU-A2024WD-E

Infinity 20 external

20e

This appliance must be installed in accordance with:

•

Manufacturer’s installation instructions;

•

National laws, local regulations and municipal building codes.

This appliance must be installed and maintained by competent person.

Read the instructions before attempting installation or use of this appliance.

Summary of Contents for Infinity 20 External

Page 1: ...inity 20 external 20e This appliance must be installed in accordance with Manufacturer s installation instructions National laws local regulations and municipal building codes This appliance must be i...

Page 2: ...numer Date of Issue Last revision Quality system standard ISO 9001 The design development and manufacture of gas water heating appliances done under Rinnai s quality management system is certified un...

Page 3: ...installation comply with the national and local laws in force and technical standards According to legislation in force the systems must be designed by qualified technicians Installation and maintenan...

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: ...ATER 21 2 3 DIMENSIONS 21 2 4 MAIN COMPONENTS 22 2 5 GENERAL SCHEME AND OPERATION PRINCIPLES 23 2 5 1 OPERATION PRINCIPLES 23 2 6 INSTALLATION 24 2 6 1 CLEARANCE 24 2 6 2 WATER CONNECTION 24 2 6 3 GAS...

Page 6: ...6...

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

Page 8: ...ter rises to more than 3 C above the selected temperature the burner is turned OFF and only turned ON again when the temperature falls below the selected temperature The burner lights automatically wh...

Page 9: ...se the appliance only for water heating Do not modify this appliance Do not attempt to repair replace or open sealed parts or disassemble the appliance improper adjustment alteration service or mainte...

Page 10: ...ly The extension of the power cord should be avoided e g using an extension cord or a multiple socket If the supply cord is damaged it must be replaced by the manufacturer its service agent or similar...

Page 11: ...efrosting contact the Rinnai service to verify possible damages S O L V E N T OFF Kitchen Bathroom Kitchen 43 C 55 C Depending on the weather conditions and the length of the pipe between the hot wate...

Page 12: ...appropriate in the unlikely event this is not the case this setting can be increased or decreased by an authorised person such as a licensed plumber Adjustments to the operation of your hot water uni...

Page 13: ...athrooms the suggested temperature should be 37 C 43 C The above is a suggestion only as you may find higher or lower temperatures more comfortable however maintaining lower temperatures also helps to...

Page 14: ...more than 3 seconds To cancel sound muting simply repeat the process CAUTION Always check outlet water temperature before use The parent carer MUST check the temperature before placing dependants in...

Page 15: ...keep pressed for about five seconds the Priority keys and the key to increase the temperature up arrow Fig 1 To unlock the command it is sufficient to repeat the procedure of blocking commands When t...

Page 16: ...ck there are no obstructions to the flue outlet 14 Remaining flame safety device Service call 16 Over temperature warning Service call 19 Electrical earth check fault Service call 21 Incorrect dipswit...

Page 17: ...el who are fully trained and equipped to give the best service on your Rinnai appliance If your appliance requires service please call our national help line When making a service enquiry having both...

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

Page 20: ...livery An AC 230V 50Hz earthed power point must be provided adjacent to the appliance For outdoor installations this power point must be weather proof It must be clear of the gas and water connections...

Page 21: ...your supplier or Rinnai immediately for further information Together with the appliance in the packaging you can find the following 1 x water temperature controller Standard remote control MC 601 1 x...

Page 22: ...15 16 17 18 19 20 21 24 22 23 25 OVERHEAT SWITCH HEAT EXCHANGER P C B ELECTRODE MAIN BURNER COMBUSTION CHAMBER FRONT PLATE ASS Y MANIFOLD ASS Y WATER CONNECTING PIPE HOTWATER CONNECTING PIPE GAS CONNE...

Page 23: ...controlling the gas rate combustion air and water flow to precisely heat the water This control is done by measuring the outgoing water temperature with a Thermistor Standby When the hot water tap is...

Page 24: ...struction Connect the hot and cold water supply pipes An approved isolation valve and strainer MUST be installed in the cold water inlet pipe An approved isolation valve and draining point should be i...

Page 25: ...he safety prescriptions provided for by law Make sure that the electric system is suitable for the maximum power consumption indicated on the data plate on the product side and is provided with a circ...

Page 26: ...nd hot oil may cause damage Do not install water controllers outdoors unless protection from water dust ingress and sunlight are provided The water controller set as the master water controller must n...

Page 27: ...n Cable s Ezi connect to terminate the joined cable pairs to the water heater CAUTION Do not attempt to connect cables to the Ezi connect cable connector at the water heater unless the electric power...

Page 28: ...conds STEP 2 Check that the display on all four water controllers is lit and displaying a temperature when switched on If any one of the water controller displays two dashes see Fig 2 repeat STEP 1 Th...

Page 29: ...water controllers are fitted ensure they are ON with the maximum delivery temperature selected and open all available hot water outlets If water controllers are not fitted simply open all available h...

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Page 31: ...31 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 32: ...until outgoing temperature is Tset 6 C default setting is 3 C 4 When water controller is switched on and the auto reset function is activated b the water heater automatically switches on and auto set...

Page 33: ...ted turn the unit on at the kitchen controller select the maximum delivery temperature and fully open all hot water taps including the shower Let the water run for a short period to allow the flow rat...

Page 34: ...r cable provided with the new PCB 7 Reconnect the power supply and push PB1 button of the new PCB 8 The LED goes green it means that the data transfer was successful This will stay green for five minu...

Page 35: ...l REU A2024WD E YES NO Hot water tap open ON OFF Switch ON Error code indecate OFF ON OFF Switch OFF YES Outgoing water thermistor faulty Modulating solenoid valve faulty Solenoid valve circuit faulty...

Page 36: ...CN5 FM COMBUSTION FAN W Y BK R R BK Y W Y Y W W Y Y QS R R BK BK IGNITER SPARK ELECTRODE IG BK R BK BK OVERHEAT SWITCH R R C1 ANTI FREEZE HEATER G Y BK BK FREEZE PROTECTION THERMISTOR OUTGOING WATER T...

Page 37: ...The appliance will not function properly if the intake air or exhaust is impeded blocked or partially blocked by obstructions Clean the water filter Clean the inlet water filter by closing the cold an...

Page 38: ...e 9 Turn off the pump 10 Rinse the chemical water from the water heater as follows a Remove the free end of the drain hose H3 from the pail Place in sink or outside to drain b Close service valve V2 a...

Page 39: ...emperature controller is off turn on the gas supply 7 Turn on the temperature controller Running a low volume of water through the water heater to prevent freezing If the temperature exceeds the abili...

Page 40: ...4 42 kW G31 flow normal operating conditions Mm 0 39 kg hr Gas consumption capacities nominal operation Hi net calorific value Hs gross calorific value G20 Nat Gas Input Qn Hi Hs Output Pn 39 0 43 3...

Page 41: ...class A Water heating energy efficiency wh 80 5 Annual electricity consumption AEC 10 kWh annum Annual fuel consumption AFC Hs 19 GJ annum Temperature setting 1 55 C Indoor sound power level LWA db V...

Page 42: ...42 3 10 CE CERTIFICATE...

Page 43: ......

Page 44: ...a srl Via Liguria 37 41012 Carpi MO Italy Tel 39 059 622 9248 Fax 39 059 622 4449 E mail info rinnai it Web www rinnai it U340 1337 00 V 3 180620 This manual edition replaces any previously published...

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