Riello TAU Unit 100 Installation And Maintenance Manual Download Page 90

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CONFIGURATION OF CASCADED THERMAL UNITS

ZONE MANAGEMENT ELECTRONIC DEVICE

BUS 1

managing

terminals

7 e 8

13
12

Zone management electronic device

Live

Neutral

Earth/ground

Zone 2 circulator (low temperature)

Mixer valve zone 2

Zone 2 sensor

Room thermostat

BUS 1

Managing / Zones Bus

Summary of Contents for TAU Unit 100

Page 1: ...cod 20144127 rev 8 01 2021 TAU Unit 50 70 100 115 EN INSTALLATION AND MAINTENANCE MANUAL...

Page 2: ...owledge and expertise it will enable you to install the appli ance quickly easily and correctly Please accept our thanks and our congratulations on your choice of product Riello S p A CONFORMITY TAU U...

Page 3: ...CE 51 3 1 Preparing for initial startup 51 3 2 Initial startup 51 3 2 1 Switching the appliance on and off 51 3 2 2 Date and time setting 51 3 2 3 Password access 52 3 2 4 Setting the heating paramete...

Page 4: ...peration 118 5 10 Operation with primary circuit sensor 118 5 11 Operation with secondary circuit sensor 118 5 12 Parameter 148 operating mode of the cascade 119 5 12 1 Par 148 1 119 5 12 2 Par 148 2...

Page 5: ...Owner must be adequately informed and trained on how to operate the appliance Make sure that he she is familiar with all the information required for safe system operation 9The equipment before being...

Page 6: ...Return temperature probe the contact probe placed on the return line of the boiler is used by the regula tor to view the return water temperature with which it calculates together with the delivery te...

Page 7: ...e Brandstof T067802GE s Max flue gas loss 7 W Cod N Qn max Pms bar kW RIELLO S p A Via Ing Pilade Riello 7 Mod 37045 Legnago VR ITALY T067787I0 Central heating section Qn Rated heat input Pn Rated use...

Page 8: ...n siphon 6 Fan 7 Ignition electrode 8 Flame inspection window 9 Combustion chamber pressure tap 10 Flue gas limit thermostat 11 Gas valve 12 Detection electrode 13 Automatic bleed valve 14 Main switch...

Page 9: ...7 1 87 6 97 3 87 7 97 5 87 7 97 4 Efficiency at 30 of the nominal thermal flow and on low PCS temperature regime 1 Useful 30 of Pn 98 8 109 7 97 7 108 5 97 8 108 6 97 8 108 7 Chimney losses with burne...

Page 10: ...a pump A pump must therefore be provided as part of the installation In order to choose a pump of the right size bear in mind the boiler s water side pressure drop as shown in the figure below Water s...

Page 11: ...4 5 6 7 9 8 10 11 04 29 12 0 C CH Setpoint 48 0 C 12 13 CONTROL INTERFACE 1 255x80 point backlit display 106 4x39 0mm 2 RESET key restores normal operations after a safety shut down 3 MENU key switch...

Page 12: ...immediately Inserted in a plastic bag 1 inside the boiler 2 the following material is supplied Instruction manual Hydraulic test certificate Energy label Conventional warranty conditions 2 1 1 Positi...

Page 13: ...Boiler 5 Pallet 9The packaging material must be disposed of carefully and must not be abandoned as it is a source of potential dan ger Once you have removed the packaging proceed as follows to positi...

Page 14: ...nces This figure shows the minimum distances that must be respect ed to allow installation and maintenance of the boiler 0 8 m 0 8 m 1 m 1 m The thermal module TAU Unit can be installed in rooms that...

Page 15: ...nit 50 TAU Unit 70 TAU Unit 100 TAU Unit 115 Unit of meas urement A 415 415 393 393 mm B 415 415 410 410 mm C 304 402 632 632 mm 1 Central heating flow 1 1 2 1 1 2 2 2 2 High temp system return 1 1 4...

Page 16: ...lied with the flue gas accessories Exhaust and suction ducts must always be carried out in com pliance with national regional provincial etc standards and regulations in force UNI CIG The combustion g...

Page 17: ...prevent condensation and the cooling of flue gases the stack must have a dedicated condensate drain sys tem at the bottom 9The diameter of the smoke duct must never be smaller than the diameter of the...

Page 18: ...ant 9See the specific standard for details In Belgium see NBN D51 003 9For B type installation combustion air is taken from the environment and goes through the openings shutters on the rear panel of...

Page 19: ...n whatever direction is most con venient for the room provided the maximum specified lengths are respected Description TAU Unit 50 70 100 115 Maximum equivalent length of flue gas exhaust pipe 7 m Thi...

Page 20: ...require a filling pipe connected to the central heating circuit return pipe 9All the necessary circuit shut off and drain cocks must be provided FILLING Before starting to recharge check that the dra...

Page 21: ...IG AE VLPG PC PS PI MOD 2 MOD 1 AL PB PI VD VC L N L GEN VLPG N L PC PS PI N 0 10V PWM GND 0 10V PWM GND N L ALLARM L CH N C L DHW N O PB PI N J15 1 h J15 2 w J15 3 bl J15 4 h J15 5 w J15 6 bl SR SF...

Page 22: ...LPG shut off solenoid valve accessory PB Storage cylinder circulator VC 2 way shut off valve of thermal unit VD 3 way DHW diverting valve PC Thermal unit circulation pump PS System circulation pump AL...

Page 23: ...rictly forbidden to use pipes of any kind to ground the appliance 0It is prohibited to lay power supply and room heat demand thermostat cables near hot surfaces delivery pipes If they may come into co...

Page 24: ...ed Example of Duty cycle T UiH UiL t T Period of time t Active duration of the pulse d Duty cycle UiH High voltage level of the input signal UiL Low voltage level of the input signal IiL Input signal...

Page 25: ...ut signal UiL 1 V Input signal current IiH 10 mA Input Duty cycle PWM 0 100 2 14 0 10V circulation pump control The regulator allows the control in modulating mode 0 10V of one circulation pump as an...

Page 26: ...menu item and go back to the previous one 3 supports selecting menus or parameters or decreasing numeric values 4 enter 5 supports selecting menus or parameters or increasing numeric values 6 support...

Page 27: ...Flowrate Failed Ignitions WW Shutdown Device Group Return Temperature RT Input Outside Temperature State Flame Failures Bas Outd T DHW Temperature Fan Speed Flue Temp Error Operation Days Des Outd T D...

Page 28: ...Bar Filter Error Type Language Date Time Unit Type Burn hours since last service Reset Service Reminder Clear Service History Blocking Nederlands Portugu s Daylight Savings Time Date Order Date Separ...

Page 29: ...gh Limit Test 97 IO Configuration 74 Emergency Setpoint 156 Permit EmergencyMode 1 CH Mode 75 Delay Per Start Next Mod 157 Emergency Setpoint 110 CH Min Setpoint 153 PwrMode2 Hystersis 180 PwrMode2 Mi...

Page 30: ...ay s Interval 1 Interval 2 Interval 3 Enabled Enabled Period Disabled 00 00 23 50 00 00 23 50 00 00 23 50 Monday Friday Monday Tuesday Sunday Zones CH 1 16 Disabled Disabled Disabled Saterday Sunday M...

Page 31: ...nt On 1 7 Off Group Active Day s 1 8 Interval 1 Interval 2 Interval 3 Period Disabled Holiday Setpoint Begin Date End Date 00 00 23 50 00 00 23 50 00 00 23 50 Monday Friday Monday Tuesday Sunday Sater...

Page 32: ...Temp On Date Holiday Setpoint System Test Outdoor Temp Below Off Test State Off 0 0 C 50 0 C Comfort Fan Speed Low Power Eco Ionisation High Power Anti Fr Reduced Begin Date Begin Date End Date End D...

Page 33: ...lue in heating mode Par 1 4 20 50 30 C I Heating M1 111 CH Max Set point It defines the maximum delivery temperature value in heating mode Par 1 4 50 90 80 C I Heating M1 190 Outd Comp Fact Outdoor te...

Page 34: ...um set point at the maximum outdoor temperature for climatic regulation 30 90 40 C I Heating M1 22 Baseline Outdoor Temp Defines the maximum minimum outdoor tem perature to which the minimum set point...

Page 35: ...e Accumulation sanitary Setpoint in mode 1 40 71 57 C U DHW M1 43 DHW Max Priority Time Establishes the time in minutes during which priority is alternatively allocated to the DHW and CH circuits when...

Page 36: ...efined by Par 97 0 Disabled 1 DHW sensor 2 Zone probe 0 2 1 I General M1 124 Prog Input RT The value of this parameter is defined by Par 97 0 Disabled 1 Enabled 0 1 1 I General M1 125 Prog Out put 1 T...

Page 37: ...30 Flow scaling factor Defines the scaling factor for the flow meter 0 25 5 3 2 I General M1 131 Min Press Defines the system minimum pressure value Off 0 3 0 4 5 0 0 1 bar I General M1 133 Mod Pump d...

Page 38: ...mary sensor reaches five degrees above the value defined by Par 155 then the request ceases and the cascade returns to stand by mode 10 30 15 C I Cascade M1 186 Frost pro tection out If the temperatur...

Page 39: ...rners 0 3 2 I Cascade M2 79 Max Setp Offset Down Defines the maximum decrease in the primary circuit s cascade set point Is based on the primary circuit s probe reading 0 40 2 C I Cascade M2 80 Max Se...

Page 40: ...e maximum decrease in the setpoint in cascade mode on the primary circuit It is based on the secondary circuit SC value reading 0 40 2 C I Cascade M3 170 Max Setp Offset Up Defines the maximum increas...

Page 41: ...ff valve TA Room thermostat accessory OT Open Therm Interface accessory According to the set parameters it is possible to control a fuel shut off gas solenoid valve for LPG 9Domestic hot water and cen...

Page 42: ...ry SE Outdoor sensor Remove the jumper and connect the water pressure switches in sequence as shown Basic parameter configuration Diagram 1 Par No Description Parameter setting 1 CH mode 1 Climate mod...

Page 43: ...tdoor sensor ZM Zone management electronic device SI 2 Second circuit system delivery probe VLPG LPG fuel shut off valve TA Room thermostat accessory OT Open Therm Interface accessory According to the...

Page 44: ...mode with external probe and ambient thermostat 35 DHW mode 0 Disabled 117 Prog Input 2 3 Heating flowmeter FL 123 Prog Input 8 2 Water pressure switch INAIL 124 Progr ble inp TA 1 Enabled TA OT 125...

Page 45: ...ve PR DHW circulation pump not managed SE Outdoor sensor SB Heater probe thermostat VLPG LPG fuel shut off valve TA Room thermostat accessory OT Open Therm Interface accessory According to the set par...

Page 46: ...sory SB Boiler sensor SE Outdoor sensor Remove the jumper and connect the water pressure switches in sequence as shown Basic parameter configuration Diagram 2 Par No Description Parameter setting 1 CH...

Page 47: ...not managed SE Outdoor sensor SB Heater probe thermostat VLPG LPG fuel shut off valve PI Central heating system pump TA Room thermostat accessory OT Open Therm Interface accessory According to the set...

Page 48: ...iler sensor SE Outdoor sensor Remove the jumper and connect the water pressure switches in sequence as shown Basic parameter configuration Diagram 3 Par No Description Parameter setting 1 CH mode 1 Cl...

Page 49: ...HW circulation pump not managed SE Outdoor sensor SB Heater probe thermostat VLPG LPG fuel shut off valve ZM Zone management electronic device PI Central heating system pump SI System delivery probe T...

Page 50: ...etting 1 CH mode 1 Climate mode with external probe and ambient thermostat 35 DHW mode 1 Water heater with probe SB 42 DHW Priority 2 On 117 Prog Input 2 3 Heating flow meter FL 123 Prog Input 8 2 Wat...

Page 51: ...eft This value is displayed only if the outdoor temperature sensor ac cessory is installed Main setpoint values are shown in the lower side of the display while the time is shown on the top right side...

Page 52: ...d for thermal module settings only Password 0 Enter one digit at a time using the keys to increase de crease the numeric value When you have set the right value confirm by pressing the key The system...

Page 53: ...Par 1 1 or 2 190 Outdoor temperature compensation factor 19 Establishes the max set point at the minimum out door temperature for climatic regulation 20 Establishes the minimum outdoor temperature to...

Page 54: ...or temperature scale Changing the value of this parameter corrects the climat ic curve if the ambient temperature is too high set a negative value or too low set a positive value If the room has an Op...

Page 55: ...hich climatic regulation is switched off 28 Use the heating mode Par 1 2 or 3 Defines how many degrees the flow set point is lowered Delivery Temp C Outdoor Temp C Tset min C Tset max C Par 109 Par 24...

Page 56: ...input 0 10V In this operating mode the power of the thermal unit fan speed is adjusted by an incoming analogue signal supplied by an external management system The parameters that control this mode a...

Page 57: ...the key to highlight the value and use the keys to change the selected value Press the key to con firm save the new settings the DHW value can be changed only when the domestic hot water function is e...

Page 58: ...etting of the parameter42 Par No Description 107 Sets the weekday on which the anti Legionella proce dure is carried out 108 Sets the time of the day during which the anti Le gionella procedure is car...

Page 59: ...ure to be used when the zone is in a certain period 10 30 C ECO set point ECO temperature Adjustable temperature that can be used out side set periods 5 20 C Set points outside the interval Selection...

Page 60: ...e the set point is common to all system groups Group DHW Program Comfort Period 71 Comfort Setpoint 28 0 C ECO Setpoint 20 0 C Out of interval setpoint Reduced External Zone DHW Period 1 Active Day s...

Page 61: ...ing values are displayed Firing OK No firing No flame det Oper days Heat burner hours DHW burner hours Boiler History Successful Ignitions 0 Failed Ignitions 1 Flame Failures 1 Operation Days 1 days Y...

Page 62: ...ing Set point Menu Central Heating CH Domestic Hot Water DHW Information Settings Check that the pump turns freely as deposits and or res idue may prevent this from happening especially after long per...

Page 63: ...3 4 1 Permanent Errors Nr Error Description 0 E2PROM_READ_ERROR Internal software error 1 IGNIT_ERROR Three unsuccessful ignition attempts in a row 2 GV_RELAY_ERROR Failure detected in the GV relay 3...

Page 64: ...R_PRESSURE_ER ROR Water pressure error 118 WD_COMM_ERROR Watchdog communication error 119 RETURN_OPEN Return sensor open 120 SUPPLY_OPEN Supply sensor open 122 DHW_OPEN DHW sensor open 123 FLUE_OPEN F...

Page 65: ...st only be performed by qualified personnel from R s Technical Assistance Service even after the boil er has been installed Before making the transformation Cut power off by setting the main switch of...

Page 66: ...SETTING Equivalent to NRG137 CP 9The settings of parameters 92 93 94 relate to TYPE B appliance configuration Configuration of fan parameters for type C appliance configurations Change the following p...

Page 67: ...MAXIMUM POWER Press the MENU key select System test and press to confirm Menu Domestic Hot Water DHW Information Settings System Test select Max power with the keys and press to confirm The fan starts...

Page 68: ...70 3 Gas type TAU Unit 50 TAU Unit 70 TAU Unit 100 TAU Unit 115 G20 8 9 9 1 8 9 9 1 8 9 9 1 8 9 9 1 G25 8 9 9 1 8 9 9 1 8 9 9 1 8 9 9 1 G31 9 9 10 1 9 9 10 1 9 9 10 1 9 9 10 1 Versions TAU Unit 100 TA...

Page 69: ...System Holiday Setpoint Comfort Begin Date Saturday 01 08 2015 End Date Saturday 01 08 2015 Select with keys Holiday Setpoint and confirm with key Select Antifreeze holiday setpoint and confirm Holida...

Page 70: ...ce history Burn hours since last service Burn hours till service Reset Service Reminder The Settings Boiler set Maintenance menu contains the advanced controls for this function which in any case are...

Page 71: ...rse the above steps to fit the new pump 9Check that the gas connection is leak proof 3 9 4 Setting the electrodes The positioning of the ignition A and detection B electrodes is fundamental to obtain...

Page 72: ...om the boiler and locate the condensate discharge syphon 1 2 1 Remove the split pin 2 detach the corrugated conden sate drain hose and remove the siphon Unscrew the two caps 3 to disassemble the sipho...

Page 73: ...nals Check the condition of the fuses No gas supply Check the opening of the valve in line Electrical short circuit Call Technical Assistance Service There is a smell of gas Leaks from the supply circ...

Page 74: ...ry system of a heat generation system This configuration could be ideal to replace one or more larger generators in an existing system if system reliability and efficiency is to be increased In order...

Page 75: ...s circulator connected to the modules in cascade allows the transfer of the heat energy to a user circuit to be controlled for example a direct zone for high temperature heating of a room SECONDARY SC...

Page 76: ...n with an electronic device for zone management ZM and the zone circulator P3 The zone sensor is used to adjust and control an additional mixed direct zone in combination with an electronic device for...

Page 77: ...t managed SE Outdoor sensor SS System sensor SC Secondary circuit sensor SB TB Heater probe thermostat S2 Zone 2 sensor ZM Electronic device for zone management accessory P3 Zone 3 pump low temperatur...

Page 78: ...oard pm Minimum pressure switch pb Lockout pressure switch FL Flow meter TA OT Room thermostat Open Therm Interface SB Boiler sensor SE Outdoor sensor SS System sensor BUS 1 Managing Zones Bus 13 12 1...

Page 79: ...rther information see section System management DEPENDING CONNECTIONS 1 13 14 15 16 20 21 22 23 S2 5V MO1 26 27 28 pb pm INAIL INAIL GND SIGNAL FL TA OT 10 SC 9 8 1 2 BUS 2 BUS 2 P 123 2 P 117 3 P 188...

Page 80: ...pump high temperature PC Thermal unit circulation pump L Live N Neutral Earth ground A system pump PI can be controlled instead of the LPG fuel shut off gas solenoid valve Hardware configuration S1 O...

Page 81: ...P 125 P 187 1 M02 High voltage terminal board VLPG LPG fuel shut off valve PC Thermal unit circulation pump L Live N Neutral Earth ground A system pump PI can be controlled instead of the LPG fuel sh...

Page 82: ...CE 4 3 2 P3 BUS 1 S3 M 15 14 13 12 11 10 9 8 7 6 5 ZM L N L L N V3 TA managing terminals 7 8 ZM Zone management electronic device L Live N Neutral Earth ground P3 Zone 3 pump low temperature V3 Mixer...

Page 83: ...lace of the fuel shut off valve VPLG Configuration of parameters for INAIL kit Par No Description Parameter setting Terminals No 123 Prog Input 8 2 Water pressure switch M01 27 28 117 Prog Input 2 3 H...

Page 84: ...INAIL kit is required for each thermal unit Hardware configuration S1 OFF not used DIPSWITCH 01000000 Configuration of boiler parameters Par No Description Parameter setting 205 Dep Zone Control 1 Ena...

Page 85: ...System sensor SC Secondary circuit sensor SB TB Heater probe thermostat S1 Zone 1 sensor ZM Zone management electronic device P2 Zone 2 circulator low temperature V2 Mixer valve zone 2 S2 Zone 2 senso...

Page 86: ...3 M01 Low voltage terminal board pm Minimum pressure switch pb Lockout pressure switch FL Flow meter SB Boiler sensor SE Outdoor sensor SS System sensor BUS 1 Managing Zones Bus 13 12 11 10 9 8 7 6 5...

Page 87: ...rther information see section System management DEPENDING CONNECTIONS 1 13 14 15 16 20 21 22 23 S1 5V MO1 26 27 28 pb pm INAIL INAIL GND SIGNAL FL TA OT 10 SC 9 8 1 2 BUS 2 depending 2 terminals 1 e 2...

Page 88: ...mal unit two way valve P1 Zone 1 pump high temperature L Live N Neutral Earth ground A DHW pump PB can be controlled instead of the LPG fuel shut off gas solenoid valve Hardware configuration S1 OFF n...

Page 89: ...C L N O M V1 N M02 High voltage terminal board VLPG LPG fuel shut off valve V1 Thermal unit two way valve L Live N Neutral Earth ground A DHW pump PB can be controlled instead of the LPG fuel shut off...

Page 90: ...3 2 P2 BUS 1 managing terminals 7 e 8 S2 M 15 14 13 12 11 10 9 8 7 6 5 ZM L N L L N V2 TA ZM Zone management electronic device L Live N Neutral Earth ground P2 Zone 2 circulator low temperature V2 Mi...

Page 91: ...hut off valve VPLG Configuration of parameters for INAIL kit Par No Description Parameter setting Terminals No 123 Prog Input 8 2 Water pressure switch M01 27 28 117 Prog Input 2 3 Heating flowmeter M...

Page 92: ...INAIL kit is required for each thermal unit Hardware configuration S1 OFF not used DIPSWITCH 01000000 Configuration of boiler parameters Par No Description Parameter setting 205 Dep Zone Control 1 Ena...

Page 93: ...managed SE Outdoor sensor SS System sensor SC Secondary circuit sensor SB TB Heater probe thermostat S1 Zone 1 sensor S2 Zone 2 sensor ZM Zone management electronic device P3 Zone 3 pump low temperatu...

Page 94: ...1 Low voltage terminal board pm Minimum pressure switch pb Lockout pressure switch FL Flow meter SB Boiler sensor SE Outdoor sensor SS System sensor BUS 1 Managing Zones Bus 13 12 11 10 9 8 7 6 5 4 14...

Page 95: ...rther information see section System management DEPENDING CONNECTIONS 1 13 14 15 16 20 21 22 23 S1 5V MO1 26 27 28 pb pm INAIL INAIL GND SIGNAL FL TA OT 10 SC 9 8 1 2 BUS 2 depending 2 terminals 1 e 2...

Page 96: ...board VLPG LPG fuel shut off valve P1 Zone 1 pump high temperature PC Thermal unit circulation pump L Live N Neutral Earth ground Hardware configuration S1 OFF not used DIPSWITCH 01000000 S1 ON OFF Ke...

Page 97: ...terminal board pm Minimum pressure switch pb Lockout pressure switch FL Flow meter TA OT Room thermostat Open Therm Interface S2 Zone 2 sensor BUS 2 Bus Depending 13 12 11 10 9 8 7 6 5 4 14 15 16 PC...

Page 98: ...DIP 2 3 4 5 6 7 8 4th module Depending 1 ON DIP 2 3 4 5 6 7 8 8th module Depending 9For further information see section System management ZONE MANAGEMENT ELECTRONIC DEVICE 4 3 2 P3 BUS 1 S3 M 15 14 1...

Page 99: ...G Configuration of parameters for INAIL kit Par No Description Parameter setting Terminals No 123 Prog Input 8 2 Water pressure switch M01 27 28 117 Prog Input 2 3 Heating flowmeter M01 21 22 23 An IN...

Page 100: ...l 1 Enabled according to need 7 CH Hysteresis 7 C 135 Mod Pump Type 2 Grundfos choose according to need 136 Mod pump mode Fixed 90 according to need 140 Minimum Flow 5 l min DEPENDING 2 8 Functions Co...

Page 101: ...ged PS System circulation pump SE Outdoor sensor SS System sensor SC Secondary circuit sensor SB TB Heater probe thermostat S1 Zone 1 sensor S2 Zone 2 sensor ZM Zone management electronic device P3 Zo...

Page 102: ...3 M01 Low voltage terminal board pm Minimum pressure switch pb Lockout pressure switch FL Flow meter SB Boiler sensor SE Outdoor sensor SS System sensor BUS 1 Managing Zones Bus 13 12 11 10 9 8 7 6 5...

Page 103: ...urther information see section System management DEPENDING CONNECTIONS 1 13 14 15 16 20 21 22 23 S1 5V MO1 26 27 28 pb pm INAIL INAIL GND SIGNAL FL TA OT 10 SC 9 8 1 2 BUS 2 depending 2 terminals 1 e...

Page 104: ...board VLPG LPG fuel shut off valve V1 Thermal unit two way valve P1 Zone 1 pump high temperature L Live N Neutral Earth ground Hardware configuration S1 OFF not used DIPSWITCH 01000000 S1 ON OFF Key...

Page 105: ...age terminal board pm Minimum pressure switch pb Lockout pressure switch FL Flow meter TA OT Room thermostat Open Therm Interface S2 Zone 2 sensor BUS 2 Bus Depending 13 12 11 10 9 8 7 6 5 4 14 15 16...

Page 106: ...N DIP 2 3 4 5 6 7 8 4th module Depending 1 ON DIP 2 3 4 5 6 7 8 8th module Depending 9For further information see section System management ZONE MANAGEMENT ELECTRONIC DEVICE 4 3 2 P3 BUS 1 S3 M 15 14...

Page 107: ...t off valve VPLG Configuration of parameters for INAIL kit Par No Description Parameter setting Terminals No 123 Progr ble inp 8 2 Water pressure switch M01 27 28 117 Progr ble inp 2 3 Heating flowmet...

Page 108: ...ontrol 1 Enabled according to need 7 CH Hysteresis 7 C 135 Mod Pump Type 2 Grundfos choose according to need 136 Mod pump mode Fixed 90 according to need 140 Minimum Flow 5 l min DEPENDING 2 8 Functio...

Page 109: ...ange the setpoint of the cascade module 0 1275 50 O 87 PID I Defines the integral term to change the setpoint of the cascade module 0 1275 500 O Adjusting setpoint with sensor on secondary circuit SC...

Page 110: ...rmal modules are present in the system To access the dip switches open the hatch using a flat bladed screwdriver 9The setting must be carried out on each thermal module For configuration of the indivi...

Page 111: ...17 18 5 6 7 8 1 2 3 4 9 10 11 12 13 14 15 16 17 18 5 6 7 8 DEPENDING MO1 DEPENDING DEPENDING MO1 MO1 1 2 3 4 9 10 11 12 13 14 15 16 17 18 5 6 7 8 1 2 3 4 9 10 11 12 13 14 15 16 17 18 5 6 7 8 BUS 2 BU...

Page 112: ...S On the Information menu enter Status zone dep select the number of the depending zone The Detection field will indicate NO select Remove zone changing to YES and confirm Now in the Settings and Info...

Page 113: ...setpoint zone which is the same for all zones To select the zone for controlling changing the parameters proceed as follows press the key so that the number to the right of zone is highlighted once t...

Page 114: ...Zone Settings Dependent Zone Dependent Zone Dependent Zone 2 16 2 8 2 8 Zone Setpoint Des SupplyT FlowTemperature Bas SupplyT WWShutdown Pump Bas Outd T Error Des Outd T RTInput Zone Setpoint Extra Co...

Page 115: ...ectzonewith afixed setpoint thezonesetpoint values Max Set CH and Min Set CH must be equal 5 6 Programming the zone By default the schedule timer is disabled To start up a request from the zone just c...

Page 116: ...ambient setpoint is set at 10 C thereby achieving a reduction compared to the zone setpoint of 20 C Off in this case the delivery of heat is interrupted Comfort the setpoint remains the same as that...

Page 117: ...values 6 supports moving to the RH LH area of the display Home Menu Settings Level 0 Level 1 Level 2 Level 3 Level 4 Boiler Settings Module Cascade Settings 72 Permit EmergencyMode 74 Emergency Setpoi...

Page 118: ...s 7 Heat Hyst Up Home Menu screen Boiler Settings Settings 5 9 5 General operation With cascade operation the managing unit regulator sets a set point to send to the depending units On the basis of th...

Page 119: ...he system manages the cascade so that the max imum number of modules is on This mode is similar to mode 0 apart from the start up and shutdown rules In this case the rules based on the information ill...

Page 120: ...rs to the positions illustrated from 1 4 Jumpers Zone number Al device ID 1 2 3 4 0 0 0 0 1 140 1 0 0 0 2 141 0 1 0 0 3 142 1 1 0 0 4 143 0 0 1 0 5 144 1 0 1 0 6 145 0 1 1 0 7 146 1 1 1 0 8 147 0 0 0...

Page 121: ...device is connected The zone number detected is not automatically removed when the corresponding accessory is no longer connected The zone number needs to be removed manually Removing the zone number...

Page 122: ...ight of zone is highlighted once the number is highlighted use the and keys to change the number of the zone once the zone is selected confirm with the key The zone parameters are the following Descri...

Page 123: ...ID I Zone PID D Zone Setpoint Extra Comp T Bas Outd T Ext Zone Climatic Curve Level 0 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Level 1 Sub menu user parameters access without password Sub menu...

Page 124: ...Max Min Outdoor Temp Baseline Outdoor Temp Shutdown Temp Max Heating Set Min Heating Set 6 5 Programming the zone By default the schedule timer is disabled In fact to start a request from the zone jus...

Page 125: ...ave a setpoint of 50 2 18 20 46 Night time the ambient setpoint is set to ECO The zone setpoint is changed by two degrees less for each degree of difference between the ECO setpoint and the value 20 f...

Page 126: ...the following Error code Description Err Indicates the error code of the board 255 no error Input Heat Indicates whether there is a request namely if the contact for the heat request is open NO no re...

Page 127: ...s of the thermal system are open While the system is still cold check that working pressure in the central heating circuit is over 1 bar but below the maximum limit specified for the boiler Adjust the...

Page 128: ...is a danger of frost 7 4 Cleaning Use a cloth damped in soapy water to clean the boiler s external casing To remove stubborn marks use a cloth damped in a 50 mix of water and denatured alcohol or a s...

Page 129: ...information Seller Mr Address Tel Technical Assistance Service Mr Address Tel Installer Mr Address Tel Date Work done Fuel oil supplier Mr Address Tel Date Quantity supplied Date Quantity supplied Da...

Page 130: ...e plus one must be used for read ing writing operations Control register The control register is used for special functions The first one is that of enabling writing on registers All accessi ble regis...

Page 131: ...lable Yes Depends on C F units 140 X Power Yes 0 100 141 X Minimum output Yes 0 100 142 X Ionisation current Yes 0 x A Dependent information Register number Access Description Automatic conversion Val...

Page 132: ...81 X Power Yes 0 100 Dependent 15 384 X State See State table 386 X Error code See Error tables 387 X Power Yes 0 100 Parameters registers Register number Access Descrip tion Note Auto matic conver si...

Page 133: ...t protection on 16 CH_DEMAND Heat demand 17 RESET_STATE Reset 18 STORAGE_DE MAND DHW demand 19 DHW_TAP_DE MAND Imm DHW demand 20 DHW_PRE_HEAT Pre heating demand 21 STORE_HOLD_ WARM Holding desired sto...

Page 134: ...hey must all be put into service either contemporarily or with a very low rotation time during the initial period of service so as to evenly dis tribute the limited quantity of initial lime scale 9A f...

Page 135: ...n and regular topping up with fresh water To eliminate contact between air and water and to prevent the latter from becoming oxidized it is necessary For the expansion system to be a closed vessel typ...

Page 136: ...At the end of the device s useful life these components must be separated and disposed of according to current regulations in the country of installation 9Adequate sorted waste collection processing a...

Page 137: ...137 SYSTEM MANAGER...

Page 138: ...138 SYSTEM MANAGER...

Page 139: ...139 SYSTEM MANAGER...

Page 140: ...lo 7 37045 Legnago VR www riello com The manufacturer strives to continuously improve all products Appearance dimensions technical specifications standard equipment and accessories are therefore liabl...

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