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Rinnai INFINITY 16 REU-V1616W, Service Manual

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  INFINITY 16 REU-

V1616W

V1200 REU-V1620W

INFINITY 18 REU-V2018W
INFINITY 20 REU-V2020W

Rinnai High Capacity Continuous Flow Gas Hot Water System

NOTE: This manual does not apply to models: REU-V1620WG, REU-V1620WB, REU-V2024WG, REU-V2024WE, 

REU-V2426WB, REU-V2626WG, REU-VM2630WD, REU-VM2630WC, REU-V2632FFUG, REU-VM2632FFUC

SERVICE MANUAL

Summary of Contents for INFINITY 16 REU-V1616W

Page 1: ...NFINITY 20 REU V2020W Rinnai High Capacity Continuous Flow Gas Hot Water System NOTE This manual does not apply to models REU V1620WG REU V1620WB REU V2024WG REU V2024WE REU V2426WB REU V2626WG REU VM...

Page 2: ...AI Global Rinnai New Zealand has been certified to ISO 9001 Quality Assurance by Telarc All Rinnai products are Certified to WaterMark by SAI Global WaterMark certification is awarded to products and...

Page 3: ...ke modifications and change specifications without notice Failure to comply with these instructions may result in serious personal injury or damage to the appliance This manual has been published by R...

Page 4: ...Operation Principles 14 9 Main Components 15 10 Remote Controls 16 11 Time Charts 20 12 Wiring Diagram 21 13 Dip Switch Settings 22 14 Fault Finding 23 15 Component Circuit Value Table 25 16 Componen...

Page 5: ...information Hz Hertz IC integrated circuit kPa kilopascals LED light emitting diode L min Litres per minute mA milliamps MJ h megajoule per hour mm millimetres OHS overheat switch PCB printed circuit...

Page 6: ...power flued appliance It is COMPACT saving both floor and wall space The temperature of outgoing hot water is CONSTANTLY MONITORED by a BUILT IN SENSOR If the temperature of the outgoing hot water ri...

Page 7: ...on system Direct electronic ignition Electrical consumption Normal 47 W Standby 6 W with 1 remote control Anti frost protection 74 W Hot water capacity Raised 25 C 2 3 to 16 L min Thermal efficiency 8...

Page 8: ...R 1 2 15A Ignition system Direct electronic ignition Electrical consumption Normal 55 W Standby 6 W with 1 remote control Anti frost protection 74 W Hot water capacity Raised 25 C 2 5 to 20 L min Ther...

Page 9: ...70 kPa Electrical Fuse 3A glass fuse prevents against over current Surge Protector prevents against over current Boil Dry Prevention If water flow sensor detects no flow gas supply is stopped Combusti...

Page 10: ...t of water 4 2KJ Kg C C does not change for the purpose of this calculation T Temperature rise required C Example What is the flow rate available with an incoming water temperature of 10 C and a requi...

Page 11: ...re kPa Approx Gas Cons MJ h L sec L min L hr Min Water Pressure kPa Approx Gas Cons MJ h L sec L min L hr Min Water Pressure kPa Approx Gas Cons MJ h REU V1616W 18 125 20 125 0 27 16 960 72 125 0 22 1...

Page 12: ...W 7 Issue 2 21 03 06 Rinnai Water Pressure As seen in the table below a minimum supply pressure of 80 kPa is required to operate at the rated flow of 16 L min In an actual installation pressure losses...

Page 13: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 8 Issue 2 21 03 06 Rinnai 4 Dimensions REU V1616W REU V1620W...

Page 14: ...Convector 318H 9 Rinnai REU V2018W REU V20202W...

Page 15: ...pework water connected between the water heater and the hot water outlets before any outlets are opened using the flow and return pipework principle This results in water savings and reduced waiting t...

Page 16: ...ter Thermistor 3 Flue Outlet 13 P C B 23 Anti Frost Heater 4 Overheat Switch 14 Gas Control Assembly 24 Water Flow Control Device 5 Heat Exchanger 15 Gas Connection 25 Frost Sensing Switch 6 Thermal F...

Page 17: ...istor 3 Flue Outlet 13 P C B 23 Anti Frost Heater 4 Overheat Switch 14 Gas Control Assembly 24 Water Flow Control Device 5 Heat Exchanger 15 Gas Connection 25 Frost Sensing Switch 6 Thermal Fuses 16 W...

Page 18: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 13 Issue 2 21 03 06 Rinnai 7 Operational Flow Chart...

Page 19: ...ill automatically control operation of the internal components to achieve the programmed temperature When a high temperature rise is required the PCB may cause the Water Flow Servo to close partially...

Page 20: ...ounted by the PCB The PCB calculates the exact water flow from the frequency of pulses generated by the turbine A minimum flow rate of 2 4 L min is required for the burner to ignite Water flow control...

Page 21: ...bathroom ensuite and laundry Deluxe Kitchen Remote Control MC 70 and BC 70A Deluxe controllers have Kitchen MC 70 2A and Bathroom BC 70 2A versions Kitchen controls are intended for the Kitchen or oth...

Page 22: ...e Controller Connection Remote controls operate at extra low voltage 12 Volts DC which is supplied from the appliance Controllers are supplied with 15 m of electrical cable The cable wires for connect...

Page 23: ...ote control cable terminals to the appliance with the power on RISK OF ELECTRICAL SHOCK Connecting One or Two Controllers 1 Isolate the power supply 2 Remove the front cover from the Appliance 4 screw...

Page 24: ...ing purposes For the Controller in the KITCHEN only press and hold the Transfer and On Off buttons simultaneously see fig 1 until a beep is heard approximately 5 seconds Question 2 Is your water heate...

Page 25: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 20 Issue 2 21 03 06 Rinnai 11 Time Charts Normal Combustion Mis Ignition Flame Failure Abnormal Pre Purge Air Supply Exhaust Blockage...

Page 26: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 21 Issue 2 21 03 06 Rinnai 12 Wiring Diagram...

Page 27: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 22 Issue 2 21 03 06 Rinnai 13 Dip Switch Settings...

Page 28: ...ding Table is used as illustrated below Fault Finding Table Describes possible faults and error codes page 24 Operational Flow Chart page 13 Component Circuit Value Table Summarises running and standb...

Page 29: ...t flame ignition C Check modulating solenoid valve 61 Combustion fan rotation error E Check combustion fan 65 Water flow control device error Water flow is not controlled Water temperature too low B C...

Page 30: ...k F R R AC90 110V 11 13k F1 B Br 31 36k Valve Heater F5 Y Y 1k Pipe Heater F6 Y Y 125k a156k Pipe Heater Only Gas Type Current On High On Ignition Prop Nat 660 66mA 585 59mA 297Hz 4455rpm 279Hz 4185rp...

Page 31: ...connector A Normal DC5 10V If normal proceed to Sparker Circuit 2 Faulty Replace Combustion Fan 2 Sparker Circuit a Measure voltages between Grey and Grey of connector C1 Normal AC90 110V If Normal pr...

Page 32: ...Yellow and Black Normal 1 7 2 1k If normal proceed to b Faulty Replace Solenoid Valve 2 b Measure voltage between Yellow and Black of Solenoid Valve connector Normal DC80 100V If normal proceed to Th...

Page 33: ...Measure voltage between body earth and Flame Rod terminal B5 Normal Voltage AC100 160V If normal replaced PCB Faulty Replace Flame Rod c Check if the Flame Rod is securely fitted Normal replace the PC...

Page 34: ...relay connector B2 Normal DC 4 7V If normal proceed to 2 Faulty Replace water flow sensor Note For controller readout of water flow whilst operational refer maintenance monitor Chapter 17 No 1 12 Wat...

Page 35: ...Protector Check the fuse a Unplug the power plug b Check whether or not the fuse 3A x 2 has blown by measuring the resistance Normal 1 If normal go to step Electrical Fuse 13 Faulty Replace fuse s 3Ax...

Page 36: ...rvo circuit If solution is not given from the above replace PCB 18 Anti frost Heater Circuit a Disconnect relay connectors F4 and F5 and measure resistance between Yellow and Yellow on heater side wat...

Page 37: ...lable where the appliances are connected with a deluxe controller This will enable service personnel to locate the maintenance history and faulty components with the appliance in operation NB When the...

Page 38: ...water operation frequency Example 6 600 Operations 100 0 999 05 Hot water fan frequency Hz pulses sec 0 999 Note 1 06 Water control connection none 0 or 1 Note 2 Bathroom Controller Additional contro...

Page 39: ...Display Error Memory History This feature will show the last 10 faults in sequence 1 Turn off at the ON OFF button This can be done during operation 2 Press the ON OFF button while holding the Water...

Page 40: ...able 2 fig 1 15 IMPORTANT Set dip switches No s 3 and 4 on the bottom SW1 set of dip switches to OFF to return the appliance to Normal combustion fig 6 16 Close hot water tap 17 Turn OFF the gas suppl...

Page 41: ...onnect Flame rectification and sparker leads 2 if needed 9 Remove manifold 9 screws 10 Disconnect leads to solenoid Polarized Plug 11 Remove Natural Gas manifold 12 Place the Propane manifold in the c...

Page 42: ...1 Removal of Front Panel 34 2 Removal of the PCB Unit 34 3 Removal of the Water Flow Sensor and Servo 34 4 Removal of Sparker 34 5 Removal of Fan Motor 34 6 Removal of Outgoing Water Thermistor 35 7...

Page 43: ...over c Remove two 2 screws and take off earth wire d Remove two 2 screws and pull out two 2 red wires from transformer e Remove two 2 screws and pull off PCB unit f Remove connectors from PCB unit 3 R...

Page 44: ...is not lost or damaged c Remove one 1 screw and pull off outgoing water thermistor 7 Removal of Transformer a Remove PCB refer item 2 b Remove two 2 screws and pull off transformer 8 Removal of Manif...

Page 45: ...ully 10 Removal of Heat Exchanger a Remove PCB refer item 2 b Remove Heat Exchanger inlet water tube refer item 3 c Remove outlet water tube refer item 6 d Remove three 3 screws from the manifold refe...

Page 46: ...616W REU V1620W REU V2018W REU V2020W 41 Issue 2 21 03 06 Rinnai When Thermal Fuse is replaced mount the thermal fuse as follows Heat Exchanger LH side Heat Exchanger Front Heat Exchanger RH side Heat...

Page 47: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 42 Issue 2 21 03 06 Rinnai 21 Exploded Diagram...

Page 48: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 43 Issue 2 21 03 06 Rinnai...

Page 49: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 44 Issue 2 21 03 06 Rinnai...

Page 50: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 45 Issue 2 21 03 06 Rinnai...

Page 51: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 40 Issue 2 23 04 09 Rinnai 19 Parts List REU V1616W on page 41 REU V1620W on page 44 REU V2018W on page 47 REU V2020W on page 50...

Page 52: ...6000 105 GASKET Manif Lwr 1 580 0107000 107 BURNER CASE Fr 1 098 0624000 108 GASKET Burner 1 580 589 000 109 DAMPER 1 140 722 000 110 BURNER ASSY 14 157 083 000 111 BURNER CASE Rr 1 098 402 000 112 FR...

Page 53: ...0 702 COVER EC 1 098 0627000 703 SPARKER 92072776 1 261 015 000 704 LEAD High Tension 92092253 1 203 828 000 705 MR SENSOR Assy 92092279 1 243 072 000 706 EMC BOARD Assy 92093699 1 210 605 000 707 COV...

Page 54: ...SCREW 3 501 400 000 806 SCREW 2 501 296 000 807 SCREW 1 501 737 000 808 SCREW 1 501 295 000 820 O RING 2 520 300 010 821 O RING 92072859 1 520 043 010 822 WASHER 2 580 180 000 825 O RING 92062249 1 52...

Page 55: ...105000 1 1 1 015 Piping Reinforce 044 156 000 1 1 1 100 Inlet 3 4 Gas 92081587 106 290 000 1 1 1 101 Screw Test Point 92099956 501 275 005 2 2 2 102 Gas Control 92095018 120 0015000 1 1 1 103 Manifold...

Page 56: ...Flue 92098466 055 787 000 1 1 1 131 Exhaust Opening Packing 580 593 000 1 1 1 132 Front Panel Seal Packing 580 594 000 1 1 1 150 Comb Fan Motor 92093665 222 512 000 1 1 1 151 Fan Casing Assembly 035 8...

Page 57: ...agnet 92095028 290 1286000 1 1 1 717 Harness Sensor 92099960 290 1292000 1 1 1 718 Fuse Thermal 92098300 290 0491000 1 1 1 719 Thermal Fuse Fixing Plate 537 505 000 2 2 2 720 Thermal Fuse Fixing Plate...

Page 58: ...if Upr 1 580 0108000 105 GASKET Manif Lwr 1 580 0109000 107 BURNER CASE Fr 1 098 0625000 108 GASKET Burner 1 580 590 000 109 DAMPER 1 140 723 000 111 BURNER CASE Rr 1 098 403 000 112 FRONT PLATE Comb...

Page 59: ...093681 1 210 604 000 701 COVER A EC 1 098 0782000 702 COVER EC 1 098 0627000 703 SPARKER 92072776 1 261 015 000 704 LEAD High Tension 92092253 1 203 828 000 705 MR SENSOR Assy 92092279 1 243 072 000 7...

Page 60: ...00 804 SCREW 1 501 889 000 805 SCREW 3 501 400 000 806 SCREW 2 501 296 000 807 SCREW 1 501 737 000 808 SCREW 1 501 295 000 820 O RING 2 520 300 010 821 O RING 92072859 1 520 043 010 822 WASHER 2 580 1...

Page 61: ...f Upr 1 580 0108000 105 GASKET Manif Lwr 1 580 0109000 107 BURNER CASE Fr 1 098 0625000 108 GASKET Burner 1 580 590 000 109 DAMPER 1 140 723 000 111 BURNER CASE Rr 1 098 403 000 112 FRONT PLATE Comb C...

Page 62: ...0 702 COVER EC 1 098 0627000 703 SPARKER 92072776 1 261 015 000 704 LEAD High Tension 92092253 1 203 828 000 705 MR SENSOR Assy 92092279 1 243 072 000 706 SURGE ARRESTOR 92093699 1 210 605 000 707 COV...

Page 63: ...SCREW 3 501 400 000 806 SCREW 2 501 296 000 807 SCREW 1 501 737 000 808 SCREW 1 501 295 000 820 O RING 2 520 300 010 821 O RING 92072859 1 520 043 010 822 WASHER 2 580 180 000 825 O RING 92062249 1 52...

Page 64: ...Infinity REU V1616W REU V1620W REU V2018W REU V2020W 59 Issue 2 21 03 06 Rinnai Notes...

Page 65: ...Line Tel 1800 000 340 Australia Pty Ltd ABN 74 005 138 769 Internet www rinnai com au E mail enquiry rinnai com au BARCODE U PART N Printed in Japan YYYY MM 123 45678 90123 4 Rinnai has a Service and...

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