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High technology heating

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THI 2-17 B 120 

T30.36388.05

SERVICING

Gas conversion 
Maintenance 
Operating faults 
Options 
Parts lists

Summary of Contents for THI 2-17 B 120

Page 1: ...T E C H N I C A L High technology heating I N S T R U C T I O N S THI 2 17 B 120 T30 36388 05 SERVICING Gas conversion Maintenance Operating faults Options Parts lists ...

Page 2: ...FAULTS 11 1 OPERATING FAULTS LIST 11 2 MAINTENANCE 13 2 1 Maintenance alarm 13 2 2 Maintenance code 13 2 3 Coding of maintenance alarms 13 2 4 General activation of maintenance alarms 13 2 5 Activation of the individual maintenance alarm 14 2 6 Acknowledgement of maintenance alarms 14 2 7 Resetting the maintenance alarms 14 IV OPTIONS 15 1 SET UP TAKING ROOM TEMPERATURE INTO ACCOUNT REG 73 15 2 LP...

Page 3: ... cut the electrical and gas sup plies The boiler is preset in the factory for natural gas H G20 20 mbar Check the gas circuit for leak tightness after each in tervention on the boiler THI 35 0 2 1 3 4 5 6 7 8 9 10 11 Po V Pi K PL Fig 1 1 Gas unit 2 Gas pipe 3 Air fan hose 4 Burner 5 Air Gas servo control 6 Brass air reducer 7 Fan 8 Flat seal 9 Gas reducer 10 Gas reducer o ring 11 Fan burner air sl...

Page 4: ...le manometer 0 10 mmCE and a CO2 CO analyser To modify the setting if necessary remove the protective screw then turn to increase the gas flow When the settings are made replace the protective screw Fig 2 Pi Gas network pressure Natural gas H G20 20 mbar Po Gas outlet pressure to the burner PL Air pressure auto control fan gas valve V Adjustment of the slope of the air gas ratio characteristic whe...

Page 5: ...CING MANUAL to obtain a stable flame Check the CO2 CO ratio see setting table section 1 2 page 6 chapter I FLOW AND SERVICE PRESSURE CONTROL SERVICING MANUAL Set the d h w potentiometer 3 to the maximum on the left the burner switches to the minimum rate Check the CO2 CO ratio see setting table section 1 2 page 6 chapter I FLOW AND SERVICE PRESSURE CONTROL SERVICING MANUAL If necessary adjust scre...

Page 6: ...r back pressure is greater or smaller 1 2 Setting table Models THI 2 17 B120 Natural gas burner type X07 36235 Heat output 30 50 C 60 80 C kW kW 2 6 18 3 2 3 16 9 Heat input kW 2 5 17 4 Gas reducer Gaz Nat H mm 4 20 Air reducer Gaz Nat H mm 18 2 Gas flow 15 C 1013 mbar Gaz Nat H m3 h 0 26 1 84 Gas pressure Po P_OUT gas unit to burner Gaz Nat H mbar 0 3 6 5 Servo system air pressure PL Pa 40 810 CO...

Page 7: ...the type and serial number of each part Before any servicing cut the power supply Close the gas inlet of the boiler and the isolation valves if required If the boiler is removed provide a port at the end of the gas piping Remove the front panel item G from the boiler and disconnect the earth wire item O 1 SERVICING THE FAN AND THE BURNER Check the state of the ventilator and the burner and clean t...

Page 8: ...sively Check the ignition electrodes 3 and the ionisa tion electrodes 2 When fitting back the burner fan unit Replace the seal at the level of the nut 9 and check that there are no gas leaks when fitting the fan back onto the boiler check that the fan burner seal 10 is correctly positioned check that there is no leakage at this seal and replace it if necessary check that the burner 4 and boiler sh...

Page 9: ...n It must correspond to the static hei ght of the installation H expressed in bars height between the highest point of the instal lation and the expansion vessel with 10 me tres 1 bar adjust the filling pressure of the installation to a value of over 0 2 bar above the pre inflation pressure of the vessel after totally bleeding the air from the installation 6 COMBUSTION PRODUCT CONDUITS FLUE Check ...

Page 10: ...tic hot water sensor Flue gas sensor 0 00 C 32624 10 00 C 19897 15 00 C 15711 20 00 C 12493 25 00 C 10000 30 00 C 8056 40 00 C 5324 50 00 C 3599 60 00 C 2483 70 00 C 1748 80 00 C 1252 90 00 C 912 Resistance values of the sensors Temperature Outside sensor 20 00 C 7578 15 00 C 5861 10 00 C 4574 5 00 C 3600 0 00 C 2857 5 00 C 2284 10 00 C 1840 15 00 C 1492 20 00 C 1218 25 00 C 1000 30 00 C 826 8 35 ...

Page 11: ...wo identical addresses on the LPB Check the addressing Loss of data in the EEPROM Change the LMU Component fault in the LMU Change the LMU Two master clocks only one normally programming problem Check parameter 96 of the QAA73 only one device can have the message QAA73 Maintenance alarm Check the maintenance code value QAA 73 setting 726 section 2 page 13 chapter III OPERATING FAULTS SERVICING STB...

Page 12: ... current value Segment number or unauthorised addressing on LPB or LMU Check the addressing consistency Incompatibility between the LMU and LPB Check the addressing consistency New LMU configuration Check the b0 internal code LMU setting error Check the b0 internal code The boiler is blocked Press Reset to clear the message Violation of the plausibility criteria STB related criteria Check the valu...

Page 13: ...e the error codes pre vail The maintenance alarm is sent until the enduser has acknowledged the message or the heating engineer has rectified the fault The maintenance alarm does not provide detailed information about the reason for the fault Details can be displayed using parameter WartungsCode QAA 73 setting 726 Le maintenance code can also be viewed on the dis play of the boiler b0 Parameter Wa...

Page 14: ...tarted that is the maintenance alarm will reappear on the display after a certain period of time An ack nowledgement can also be made then This period of time starts after each acknowledgement The repetition can be set via parameter War tungsRepetitionsDauer QAA 73 setting 633 Contents of parameter WartungsRepetitions Dauer is the desired period of time in days until the maintenance alarm appears ...

Page 15: ...t the LMU control unit to different units or acces sories of the type RVA 46 zone regulator RVA 47 cascade regulator others distance management etc Refer to kit installation instructions 3 2ND HEATING CIRCUIT CLIP IN KIT The 2nd heating circuit clip in kit is used when a se cond heating circuit is connected to the boiler It al lows the communication between the boiler s LMU control unit and the va...

Page 16: ...heating pump to be controlled in parallel with the boiler pump in the case of operation using a header with the flow sensor positioned at the outlet of the header the heating outlet can be controlled after the header an external safety gas solenoid to be connected an alarm to be connected Refer to kit installation instructions 6 PROGRAMMABLE RELAY CLIP IN KIT WITHOUT SENSOR REG 134 The programmabl...

Page 17: ...control unit ZHTi 47 manages 2 cascading boi lers Note For multiple boiler management use clip in kits LBP 130 Refer to ZHTi 47 technical specifications 9 1ST CIRCUIT CONNECTION KIT 1st circuit connection kit used for a multi directional assembly of the pipes gas inlet heating flow return domestic hot water inlet outlet at the rear of the boiler Refer to the installation instructions of the kit RE...

Page 18: ... fitted to the boiler s control panel and controls an installation only possessing one heating circuit Fitting a clip in to the boiler s LMU ma nagement unit will not work with this ti mer Refer to kit installation instructions HOR 01 0 Fig 18 ...

Page 19: ... 19 V PARTS LISTS THI 2 17 B 120 ...

Page 20: ...ODE BURNER 1 10 26 C90 31466 IGNITION TRANSFORMER ANSTOSS ZAG 2XV 01 10 27 L20 32178 SURFACE TEMP SENSOR T7335D1073B 28 Y07 34192 CASING OF BOILER EQUIPPED 29 X00 12864 REMOVABLE PROTECTION FOR BURNER 580 X 30 X 1 5 30 Y00 14139 FASTENING HOOK 31 B00 18392 PIPE RING 41 1 44 32 O90 16681 PIPE BURNER FAN THR 33 Y00 13849 BACK STOP PLATE FOR MZ 3355X80 4X1 5 34 Y00 17570 FLANGE FOR WHITE STAND FOR TH...

Page 21: ...G FOR SILICONE PIPE D 14 18 79 E20 10187 SEALING CLEANING DOOR 80 U07 35657 PRIMARY INLET PIPE ISOLATED 81 E20 03901 SEALING QUALITY AFM34 D 11X4X3 82 U07 35662 BRAZED DHW PIPE 83 W07 32303 OUTSIDE SENSOR QAC34 101 THRI 84 A00 19059 PLASTIC STOPPER MAL 9 WHITE 85 Y07 34103 TRAP TO EXPANSION VESSEL WHITE 86 V07 34213 STOP PLATE FOR ISOLATION 87 V07 35479 EXPANSION VESSEL SET THI B120 88 E20 06892 S...

Page 22: ...E10 12503 EPDM STICKING SEAL PIPE 6 9 LENGTH 18 E20 24399 GASKET DN 80 BLACK POUR LES RÉFÉRENCES U00 12053 ET U00 20366 I20 00913 BRASS HINGE BOLT K20 12704 BRASS CAP F3 4 T31 34824 STICKER T31 34934 STICKER U00 11405 VERSILIC SLEEVE 4X8 LENGTH 640 U00 29149 RING PIPE D 25 LG1300 U01 25694 VERSILIC 6 10 LG 450MM V00 24191 MOUNTING KEY HONEYWELL V52 33086 COMPLETE INSULATION SE 120 X00 05193 FIXING...

Page 23: ... 23 PARTS LISTS CONTROL BOX ...

Page 24: ...TRICAL TERMINAL BOX W07 31558 ELECTR CONTROL PANEL WIRING 0 9 9 THISION W07 31562 CONTROL BOX PROGRAMMED THRI THI 10 50C DT W07 32380 CONTROL BOX WIRED PROGRAMMED THI 5 25 S DT W07 32381 CONTROL BOX WIRED PROGRAMMED THI 2 13 M 75 DT W07 32382 CONTROL BOX WIRED PROGRAMMED THI 5 25 M75 DT W07 32899 CONTROL BOX WIRED PROGRAMMED THRI5 25SEP DT W07 32995 WIRING TIMER THRI W07 34114 WIRED PROGRAMMED BOX...

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