Cranborne THI 10-50c Installation, Commissioning And Servicing Instructions Download

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HAMWORTHY HEATING LTD CRANBORNE THI 10-50c 500001115/

Cranborne THI 10-50c

Wall Hung Gas Fired Condensing Boiler

Room Sealed or Open Flue

INSTALLATION, COMMISSIONING AND SERVICING

INSTRUCTIONS

IMPORTANT NOTE: THESE INSTRUCTIONS MUST BE READ AND UNDERSTOOD
BEFORE INSTALLING, COMMISSIONING, OPERATING OR SERVICING THIS
APPLIANCE.

THE CRANBORNE THI 10-50c BOILER IS INTENDED FOR USE AS A DOMESTIC /
LIGHT COMMERCIAL APPLIANCE FOR HEATING AND DOMESTIC HOT WATER
INSTALLATIONS.

THIS BOILER IS FOR USE ON GROUP H NATURAL GAS (2

FAMILY) I

OR LPG-

PROPANE GAS (3

FAMILY) I

. PLEASE ENSURE RELEVANT INFORMATION

REQUIRED WITHIN DOCUMENT IS FOUND RELATING TO SPECIFIC GAS TO BE
FIRED BEFORE FIRING BOILER.

THIS BOILER COMPLIES WITH ALL RELEVANT EUROPEAN DIRECTIVES
EC IDENTIFICATION No. CE-0085AR0323

PUBLICATION NO. 500001115
ISSUE '

AUGUST

2003

Summary of Contents for THI 10-50c

Page 1: ...IS APPLIANCE THE CRANBORNE THI 10 50c BOILER IS INTENDED FOR USE AS A DOMESTIC LIGHT COMMERCIAL APPLIANCE FOR HEATING AND DOMESTIC HOT WATER INSTALLATIONS THIS BOILER IS FOR USE ON GROUP H NATURAL GAS 2ND FAMILY I2H OR LPG PROPANE GAS 3rd FAMILY I3P PLEASE ENSURE RELEVANT INFORMATION REQUIRED WITHIN DOCUMENT IS FOUND RELATING TO SPECIFIC GAS TO BE FIRED BEFORE FIRING BOILER THIS BOILER COMPLIES WI...

Page 2: ...5 2 5 Emission of pollutants 15 3 FUNCTIONS 16 3 1 Anti freeze function 16 3 2 Anti legionnella function 16 3 3 Pump run on after the end of heating 16 3 4 Pump kick or selector valve kick 16 3 5 Boiler overheat protection 16 3 6 Monitoring of flue gas temperature 17 3 7 Boiler return temperature control 17 3 8 Monitoring of hydraulic pressure 17 3 9 Anti short burner cycle protection function 17 ...

Page 3: ...ection of the sensors to the LMU management unit 36 7 3 Under floor heating safety 36 7 4 Wiring diagram 37 V SETTINGS OF THE INSTALLATION TYPES 38 1 SINGLE CIRCUIT 38 1 1 Heating pump relay operation 39 1 2 Hydraulically disconnected operation 39 2 DOUBLE CIRCUIT 40 2 1 Heating pump relay operation 41 2 2 Without room sensor 41 2 3 With room sensor 41 2 4 Recommended installation of the 2nd circu...

Page 4: ...ANGER OF THE BOILER SHELL 55 3 CHECKING ACCESSORIES 55 4 EXPANSION VESSEL PRE INFLATION PRESSURE CHECK 55 5 COMBUSTION PRODUCT CONDUITS 55 6 DRAINING 56 7 SENSOR RESISTANCES 56 IX OPERATING FAULTS 57 X OPTIONS 59 1 SET UP TAKING ROOM TEMPERATURE INTO ACCOUNT REG 73 59 2 CLIP IN LPB KIT REG 130 59 3 SECONDARY CIRCUIT CLIP IN KIT 59 4 DOUBLE CIRCUIT KIT REG 126 60 5 PROGRAMMABLE RELAY CLIP IN KIT RE...

Page 5: ...fety valve a gas conversion set to propane from natural gas OPTIONAL Horizontal flue kit C13 allowing the boiler to be connected to a straight horizontal flue Accessories for horizontal connection of the boi ler C13 extensions elbows etc Flue adapter C33 allowing the boiler to be con nected to a vertical flue Accessories for vertical connection of the boiler C33 terminal extensions elbows etc Adju...

Page 6: ...ducts C 85 Flow rate of combustion products mini maxi kg h 18 0 90 0 Permitted back pressure C13 maxi Pa 100 Air flow required for combustion m3 h 61 NOx mg kWh 60 CO mg kWh 50 Heating service pressure mini maxi bar 1 3 Heating circuit water temperature maxi C 80 Water overheating safety thermostat C 100 Boiler water capacity liter 3 8 Primary water flow 60 80 C m3 h 2 1 DP water at nominal flow m...

Page 7: ...1 Æ Condensation outlet mm 25 Æ Safety valve outlet R3 4 Æ DHW production system connection option 9 page 61 R1 R3 4 with coupling 55 5 45 5 117 56 323 5 361 102 765 120 67 5 495 760 b g h c d i a 19 THI 05 0 56 27 Legend a Combustion products outlet b Gas inlet c Heating flow d Heating return e f g Condensate drain h Safety valve drain i DHW production system connection option Bottom view Rear vi...

Page 8: ...6 Heating flow 7 Heating outlet and safety sensor 8 Heating return manifold 9 Boiler return sensor 10 Ignition transformer 230 V 11 Fan 230 V 12 Boiler shell 13 Sight glass 14 Microprocessor control panel 15 3 speed pump 230 V 16 Air bleed 17 Pressure sensor 18 Filter and drain tap 19 Safety valve 3 bar 20 Safety valve outlet 21 Siphon trap 22 Condensate drain 23 Combustion check window 24 DHW pro...

Page 9: ... to the sensor instructions j bar auto Function Info O I C Reset THI 01 0 2 3 4 1 6 8 7 10 9 11 12 13 14 5 Fig 3 1 The Function key gives access to 3 operating modes by simply pressing the key auto mode LED 4 on winter mode LED 5 on summer mode LED 4 and 5 off 2 Regulation of the heating temperature setting read on the display 13 3 Regulation of the DHW temperature setting read on the display 13 6...

Page 10: ...ng pump can be optimised by adapting its speed to the needs of the installation 6 PRESSURE DROP IN THE BOILER HEATING CIRCUIT 7 THERMAL EFFICIENCY Fig 4 UPS 25 80 180 Fig 5 0 1 2 3 4 5 6 7 0 500 1000 1500 2000 Flow rate dm3 h Pressure drop mWG 10 0 90 0 92 0 94 0 96 0 98 1 00 1 02 1 04 1 06 1 08 1 10 20 30 40 50 60 70 T50 03 3 PCI e ff icie n cy Installation empérature return t Minimum rate Maximu...

Page 11: ...ation digital control continuously opti mizes the operating rate by using information sent to the microprocessor by the sensors fitted on the boi ler boiler flow sensor boiler return sensor outside temperature sensor flue gas flue gastemperature sensor room sensor pressure sensor fan speed control pneumatic air gas control communication bus with external regulators Each of the sensors is allocated...

Page 12: ...turn TLO TNB Standby ti PH_TNB tv TBRE Operation TW1 TW2 tvz tsa1 tsa2 tn tsa TNN tsa1 tsa2 tsa THL2 tn PH_TLO PH_TNN PH_ STANDBY PH_ STARTVER PH_ THL1_1 PH_TV PH_TBRE PH_TW1 PH_TW2 PH_TVZ PH_ TSA2_1 PH_TI PH_ MODU LATION PH_ THL2_1 PH_TN_1 PH_ TSA1_1 PH_ TSA2_2 PH_ TSA1_2 PH_ THL2_2 PH_TN_2 PH_ STOER THL1 PH_ THL1_2 THL1 TW1 PH_TW1 Flame Head demand STANDBY Z Z Logic on Logic off On deviation tra...

Page 13: ...y time A flame signal should be present before the safety time has elapsed If this does not occur another ignition attempt is made and and PH_TI PH_MODULATION Burner operation 10 heating operation 11 domestic hot water operation 12 heating and domestic hot water operation disabled for THI PH_TI Flame stabilisation interval PH_MODULATION In this phase the LMU regulator send its results Return to st...

Page 14: ...rocedure Linear pressure modulation is carried out by a 230 V variable speed fan controlled by the LMU which cal culates the speed needed at any given time to pro duce the required pressure 2 5 Emission of pollutants This air gas control combined with high efficiency pre mixing burner enables CO and nitrogen oxide NOx emissions to be obtained that lie within the values laid down by the most demand...

Page 15: ...ater storage tank once a week on Monday after the first load to a 65 C anti le gionnella temperature When the heating mode ends the heating circuit pump remains on for a certain period depending on the settings used QAA 73 setting 544 In hot water storage systems when domestic hot water heating ends the heating circuit pump re mains on until the boiler temperature drops below 70 C During this pump...

Page 16: ...ording to the real temperature curve of the boiler To enable this function press the clean key 6 until the red LED 11 lights up then release it The LED 11 then starts flashing once per period The signal ling coded SF is displayed on the screen 13 Heating takes place at maximum calorific power un til arriving at the maximum temperature TKSmax To disable the cleaning function press on the clean key ...

Page 17: ...ated some of the other functions are not ensured The antifreeze function of the installation is not guaranteed The anti legionella function of the unit is no longer used The automatic summer winter switching function enables summer mode to be switched to winter mode and vice versa throughout the year without the need for any intervention The heating is shut down when switching from win ter mode to...

Page 18: ...ion key 1 switches between the sum mer hot water only and winter heating and hot wa ter modes Refer to section 4 1 page 9 Chapter II TECHNI CAL SPECIFICATIONS Note An under floor heating system can be connected by following the instructions in section 4 2 3 page 19 4 2 2 Modification of the room temperature The room temperature setting is pre set to 20 C on the LMU management unit it can be modifi...

Page 19: ...ifying the parameters of the heating curve slope 1 Initial display Green LED C is on The display shows the heating flow temperature 2 Press the key until is displayed then release it and press for the same period until is displayed the display indicates then intermediate positions 3 After a few moments is displayed 4 Press on the key twice until is displayed on the screen 5 setting of the slope pe...

Page 20: ...t permutes with the default value of the shift 6 Only when the display shows press the key until the bar LED flashes 7 Increase the value by pressing until the value is displayed 8 Store the value by pressing the key for a certain time until the LEDS C and bar extinguish 9 Return to the initial display bar Info C INFO 22 Info Info Info bar Info C INFO 15c Info Info bar Info C INFO 8 Procedure Obse...

Page 21: ... line 75 Note The room temperature compensation function is activated by default on the CC1 heating circuit standard configuration of the sensor The function is activated if the room sensor is pla ced in a room whose temperature is typical of the accommodation This room must not be fitted with temperature control radiators The room sen sor must be fitted away from sources of heat or cold When the ...

Page 22: ...an unusual location special procedures may be necessary and BS 6798 gives detailed guidance on this subject A compartment used to enclose the boiler MUST be designed and constructed specially for this purpose An existing cupboard or compartment may be used provided it is modified for the purpose Details of es sentiel features of cupboard compartment design including airing cupboard installations a...

Page 23: ... proportional to their power Efficient venti lation of the installation s premises is therefore necessary according to installation standards High ventilation with a free section of at least 100 cm should be placed at least 1 80 m abo ve the ground as well as an air inlet in the lower part of a cross section of 100 cm To avoid any form of corrosion the combustion air must be free of any harmful ag...

Page 24: ...l conduit is recommen ded Systematically check that the condition and the cross sectional area of the flue are correctly adopted to open flued combustion product ex traction If they are defective carry out repairs or tubing in accordance with the installation stan dard If the boiler is installed in premises that have me chanical air extraction check regularly that this does not cause negative pres...

Page 25: ...er proof so as to prevent any intervention that could affect correct functioning Combustion product extraction outlets that open out directly onto an outside route public or priva te road less than 1 80m from the ground except for condensation installations must have a fixed defector that redirects discharged gas more or less parallel to the wall Recommended distances D 0 30 m centre distance from...

Page 26: ...rizontal balanced flue can be fitted to the right or lefthand side or directly to the rear of the boiler and can cross a wall thickness of 1 metre maximum Two balanced flue terminals from two se parate boilers positioned side by side must be separated by a minimum distan ce of 0 3 metres When installing the horizontal balanced flue use a 2 upward grade towards the outside for the combustion produc...

Page 27: ... horizontal balanced flue kit l 1 m Accessory 1 horizontal balanced flue kit l 1 m 3 2 3 4 2 Flue with bend Accessories 1 horizontal balanced flue kit l 1 m 1 concentric extension kit Ø 80 125 l 2 m 1 x 90 concentric bend kit Ø 80 125 Note Each 90 bend added reduces the total permitted length by 1m Lmax 4 m 70 050 26 0 Lmax Fig 21 Top view Rear extraction 70 050 29 0 Lmax Fig 22 Top view Evacuatio...

Page 28: ...m a vertical wall end walls Apply liquid soap to approximately 5 cm of the part of the tube to be fitted to make assembly easier 3 2 4 1 Polypropylene PVC concentric vertical terminal option For sloping roofs Useful length under sleeve tile l 0 43 m 3 2 4 2 Sleeve tile with adaptive coupling option Suitable for all types of tiles for flat tiles 8 mm use the Slate model If accessories of any other ...

Page 29: ... collars are essential to fix the vertically posi tioned extensions so that the boiler outlet does not bear the weight of the conduits 3 2 4 7 Adapting collar for the vertical balan ced flue See assembly instructions for the part Reference Type of bend Æ int mm Æ ext mm N40 28395 45 80 125 N40 28396 90 80 125 Reference Colour A90 12172 noir Reference Quantity Æ mm B00 29727 3 125 AM5 24 0 90 bend ...

Page 30: ...te 3 fastening collars Ø 125 3 2 4 8 2 Configuration with bends Accessories Vertical balanced flue adapting collars 3 concentric extensions Ø 80 125 2 x 45 concentric bends Ø 80 125 1 concentric vertical terminal Ø 80 125 1 vertical terminal fastening collar delivered with vertical terminal 1 sleeve tile with adaptive coupling depending on the type of roofing and roof slope 1 roof plate 3 fastenin...

Page 31: ... 32 INSTALLATION 4 SUPPORT BRACKET F E I F E H D C B A A A 7 Æ A B THI 94 0 Fig 35 Top view Rear view Top view Modèles A B C D Emini Fmini G H I THI 10 50 C 150 82 5 495 265 10 10 79 56 ...

Page 32: ...e re ducing valve on the cold water inlet is advised Isolating valve It is recommended to place isolation valves on the installation s flow returns in order to allow possible servicing on the boiler without having to drain the installation Safety valve This must be connected to the used water drain via a siphon funnel Condensate outlet The condensate outlet must be connected to an accessible sipho...

Page 33: ...HE INS TALLATION TYPES Taking into account the available boiler outlet pres sure the THI 10 50 must be fitted with an extra hea der rep 17 fig 36 fig 37 and a heating pump rep 18 fig 36 fig 37 in order to ensure suffi cient flow in both the boiler and the installation This pump is controlled by the clip in relay optional ex tra It allows the boiler pump and the heating pump to work in parallel The...

Page 34: ... 17 Header 18 Circulating pump 19 Expansion vessel 5 6 Hydraulic connection for models THI 10 50 C DHW production system of type BS LMU 16 3 15 4 8 8 5 7 9 6 6 10 11 12 14 17 19 18 13 THI 96 0 20 21 22 TKS 1 2 Fig 37 1 Gas inlet 2 Gas cock 3 Boiler 4 Radiator 5 Heating flow isolation valve 6 Heating flow 7 Heating return isolation valve 8 Heating return 9 Cold water inlet 10 Filling valve 11 Filli...

Page 35: ...ensor option 7 ELECTRICAL CONNECTION The electrical connection and all the equipment used to make this connection must be in confor mity with the codes of practise in force according to the installation standards the premises must be suitable in terms of boiler protection IP 44 model C13 C33 IP 24 model B23 Electrical connection of the boiler to the mains using the supply cable Power supply 230 V ...

Page 36: ...s supply connection 2 Clip in mains connection option 3 Fan motor 230 V 4 Q heating circulating pump 5 Selector valve 6 Ionizing electrode 7 Gas unit 230 V RAC 8 Ignition transformer 230 V 9 Fan PWM signal 10 DHW flow detector 11 PWM pump 12 AN6 pressure sensor 13 AN4 flue gas sensor 14 AN2 boiler return sensor 15 AN1 boiler flow sensor 16 AN5 outside sensor 17 AN3 DHW1 sensor 18 Programmable digi...

Page 37: ... or an under floor heating circuit However if the boiler directly supplies an under floor heating circuit The QAA 73 settings need changing in accor dance with the table above For recommendations refer to section 5 3 page 34 chapter IV INSTALLATION LMU Q2 Q VS BS QAD 36 QAC 34 TKS QAA 73 B3 CC 1 THI 76 0 CIR Fig 39 FACTORY SETTINGS QAA73 SETTINGS TO CHANGE QAA73 Function Radiator circuit CC1 Under...

Page 38: ...orks the heating circuit pump Q2 stops the selector valve VS moves to DHW posi tion only when in winter mode The clip in kit 2nd circuit can not be used for this configuration The QAA 73 settings need changing in accordance with the table fig 39 page 38 The operating principle is identical to the heating pump relay except in this case the wall mounted sensor QAD36 is used and connected to the clip...

Page 39: ...80 C refer to table above Necessary accessories refer to the respective assembly instructions LMU Q2 Q VS BS QAD 36 QAC 34 TKS QAA 73 B3 CC 1 THI 78 0 Q2 VM M QAA 73 CC 2 CIR CID Fig 40 QAA73 FACTORY SETTINGS Function Radiator circuit CC1 Under floor heating circuit CC2 line QAA73 Value line QAA73 Value Slope 70 15 80 8 Tmax 72 80 C 82 50 C Parallel shift 73 0 83 0 Room influence 75 CC1 Accessorie...

Page 40: ...ve VS moves to DHW posi tion only when in winter mode The flow temperature of each circuit is defined by the heating curve for that circuit This temperature is corrected by using the boiler heating potentiometer setting from 17 C to 23 C Correction of the room temperature using the heating potentiometer acts on both heating circuits simultaneously Only one QAA73 room sensor can be connected to the...

Page 41: ... the mini connector 2 to the X50 terminal of the clip in 1 and the X40 terminal of the LMU Connect the QAD36 flow sensor 3 using the 2 pin connector 5 to the X51 01 terminal of the 2nd circuit clip in The QAD36 will be installed on the 2nd circuit outlet after the mixing valve Connect the 2nd circuit pump Q2 CC2 using the 2 pin connector 6 on the X52 02 terminal of the clip in 1 Connect the motor ...

Page 42: ...de End user 1 level Display 2 Press both line selection buttons for at least 3 seconds This will take you to the programming mode Heating engineer 2 level Display 3 Press the line selection buttons to select the required line rep b 4 Press the plus or minus button to enter the required value rep c The setting will be stored as soon as you leave the programming mode by pressing the Info button or c...

Page 43: ...buttons beginning with the button This will take you to the first programming mode LMU 4 level Successive display 2 Press both line selection buttons for at least 3 seconds This will take you to the second programming mode LMU 5 level Successive display 3 Press the line selection buttons to select the required line rep b 4 Press the plus or minus button to enter the required value rep c The settin...

Page 44: ...ion of BIONIBAL Non toxic antifreeze with glycol monopropylene base corrosion inhibitor biocide traceable In addition to the characteristics of BIONIBAL it protects the installation from frost for residences that are not inhabited all the year round or that are in the coldest regions BIONIBAGEL DOSAGE The number of litres of BIONIBAGEL to put in the circuit depends on the volume of your installati...

Page 45: ...urn off the filling valve 3 PRESSURE SENSOR The pressure sensor features a small window that displays the pressure status of the system without any mains supply 4 GAS SUPPLY Open the gas cock 2 fig 36 and fig 37 page 35 Chapter IV INSTALLATION Carefully bleed the gas piping If the installation is new the bleed evacuates the air that is contained in the piping so that the boiler has an adequate fue...

Page 46: ...lation stan dards Check that the boiler is adequately adapted to the gas used Check that the boiler is filled with water and under pressure 1 5 bar and there are no leaks Never let the pressure drop below 1 bar Check that the electrical connections of the boiler are correct 230 V 50 Hz earth connection com pliant polarities correct Check that the combustion products outlet is cor rectly assembled ...

Page 47: ...lts in Chapter IX OPERATING FAULTS page 57 O I 13 14 j bar Info C Reset 10 11 13 THI 81 0 Fig 44 Display Description Consequences according to type of installation Function key 1 gives access to 3 operating modes by pressing auto mode LED 4 on winter mode LED 5 on summer mode LED 4 and 5 off LED 5 on LED 4 off Winter mode The boiler provides heating and domestic hot water Basic boiler model withou...

Page 48: ...with outside sensor only The heating starts up automatically and only when the average outside temperature computed by the LMU is below 19 C The hot water temperature is set manually on the boiler potentiometer Boiler with outside sensor and room sensor The heating starts up automatically and only when the average outside temperature computed by the LMU is below 19 C The heating and hot water temp...

Page 49: ...etting label that is in the gas conversion sleeve must be fixed on the inside of the boiler so as to indicate the new setting Check the gas circuit for leak tightness after each in tervention on the boiler Po V Pi K PL THI 82 0 Fig 45 V Adjust the slope of the characteristic of the air gas ratio only when the burner is at high rate This setting is carried out in the factory for natural gas type H ...

Page 50: ... the fan 7 from the burner 4 at the level of the flange 3 Take off the air reducer 6 into the air inlet sleeve of the burner Gently refit the fan 7 together with its joint to the burner flange 3 Gas valve outlet Remove the nut securing the gas tube 2 to the gas valve 1 Take off the propane gas reducer 9 and o ring 10 at the outlet of the gas valve 1 Fit the gas tube gas valve assembly and check th...

Page 51: ...e the V adjustment screw of the gas unit fig 45 to obtain a stable flame Check the CO2 CO ratio see setting table sec tion 3 2 page 53 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 sec tion 3 2 page 53 If necessary adjust screw K fig 45 tightening and untigh tening increases and decreases gas flow Before st...

Page 52: ...ting table Modèles THI 10 50 Burner type X00 22519 Heat output 30 50 C 60 80 C kW kW 10 7 52 6 9 7 48 7 Heat input kW 10 0 50 0 Æ Gas reducer Nat Gas H Propane mm mm 6 40 Æ Air reducer Nat Gas H Propane mm mm 31 Gas flow 15 C 1013 mbar Nat Gas H Propane m3 h kg h 1 06 5 29 0 78 3 88 Gas pressure Po Gas unit to burner mbar 0 25 2 4 Air pressure servo system PL Pa 40 630 CO2 Emission Nat Gas H Propa...

Page 53: ...e four screws 1 fixing the fan 7 to the burner s air sleeve 6 Clean it using a domestic vacuum cleaner by pla cing the suction device over the air inlet and outlet successively Disassembling the burner Unscrew the four screws fixing 5 the burner 4 to the boiler shell 8 Disassemble the 2 elbows joint 9 Clean the burner 4 using a domestic vacuum cleaner by placing the suction device over the air inl...

Page 54: ...LATION PRESSURE CHECK Drop the pressure in the heating installation by opening the drain cock or the safety valve pres sure gauge reading under 0 5 bar Check the pressure in the expansion vessel and if necessary bring it back up to pressure or repla ce it if the membrane is punctured water present in the inflating valve To optimise the efficiency of the vessel adjust its pre inflation pressure in ...

Page 55: ...e to allow air to enter the boiler shell 7 SENSOR RESISTANCES The resistance of the sensors must be measured after they have been disconnected from the control panel 18 THI 98 0 16 Fig 50 Resistance values of the sensors Temperature Heating outlet sensor Boiler return 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 ...

Page 56: ...or Short circuit on LPB or no voltage Check the wiring Two 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 STB boiler overheating safety activated Check that shunt X3 01 is present ...

Page 57: ...e addressing consistency New LMU configuration The boiler must be reset when a clip in is installed or removed LMU setting error LMU setting problem The boiler is blocked Press Reset to clear the message Violation of the plausibility criteria STB related criteria Check the value of the criteria related to the boiler overheating security The minimum speed threshold of the fan is not reached Check t...

Page 58: ...LMU control unit to different units or accessories of the type RVA 46 zone regulator RVA 47 cascade regulator others distance management etc Refer to kit installation instructions 3 SECONDARY CIRCUIT CLIP IN KIT The secondary circuit clip in kit is used when a second heating circuit is connected to the boiler It allows the communication between the boiler s LMU control unit and the various accesso...

Page 59: ...CLIP IN KIT REG 127 The programmable relay clip in kit sensor inlet enables a 2nd 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 in...

Page 60: ...e boiler management use clip in kits LBP 130 Refer to ZHTi 47 technical specifications 9 SELECTOR VALVE KIT FOR CONNECTING THI C BS The selector valve kit allows the connection of a central heating only type boiler to a domestic hot water heater Refer to kit installation instructions REG 128 Fig 57 THI 37 0 Fig 59 ...

Page 61: ... 64 XII NOMENCLATURE THRi 10 50 C ...

Page 62: ... 1 2 DIA 44 X 32 X 3 27 L30 18677 GRUNDFOSS CIRCULATING PUMP 230 UPS 25 80 28 U00 19565 GREY SUMP INLET 29 A20 23655 SIPHONIC TRAP WITH PIPE 650 MM 30 W07 31562 ELEKTR GEHÄUSE VERKABELUNG 10 50C GN MODEL 31 U07 31500 GAS INLET EQUIPPED 1 10 5 25 MODEL 32 Y07 31572 COVER WHITE 10 50 C MODEL 33 T25 31875 FIXING PART UPPER COVER 34 H20 31447 FRONT DOOR TRANSPARENT 35 H20 31463 FRONT PANEL COMPLETE 36...

Page 63: ...E MAL3 4 MAL3 4 LONG 66 L20 31471 SENSOR T7335D1024B 67 W07 32303 OUTSIDE SENSOR QAC34 101 THRI 68 E20 03890 SEALING AFM34 D 24X17X3 C09 31469 CABLE WITH RECTIFIER VDU GAS VALVE E00 10822 EPDM LIP SEAL D 80 75 SHORE E10 12503 EPDM STICKING SEAL PIPE 6 9 LENGTH 18 E20 24399 GASKET DN 80 BLACK POUR LES RÉFÉRENCES U00 12053 ET U00 20366 I30 31973 STOP TECHNYL D 20X19 U00 03505 FIXING BRACKET FOR BURN...

Page 64: ... 67 NOMENCLATURE CONTROL BOX ...

Page 65: ...LACK BIPOLAR SWITCH 11 L25 17432 TIMER GRASSLIN 230 V FM DIGI20 C09 31469 CABLE WITH RECTIFIER VDU GAS VALVE C90 31497 COVER KEY TOP 4X4 THISION W07 31478 WIRING OF THE CONTROL BOX W07 31479 WIRING OF THE CONTROL BOX 10 50 MODEL W07 31492 CONNECTING CABLE LG LMU64 AGU2 W07 31508 ELECTR CONTROL BOX WIRING 2 13 THISION W07 31542 ELECTRICAL TERMINAL BOX W07 31558 ELECTR CONTROL PANEL WIRING 0 9 9 THI...

Page 66: ... 69 NOTES ...

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