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Bosch Uni 171, Installation And Service Instructions Manual, Page: 58 / 68

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Bosch Uni 171 Installation And Service Instructions Manual Download Page 58

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Circuit diagrams

6 720 648 162 (2011/08)

Fig. 73 Circuit diagram 2

Quick connect plug

Terminal strip on Riello Burner

Hot Neutral

Service 
Switch

Fuse

Red wire -

NOT USED IN

THIS

APPLICATION

Riello F3 or F5 Series Oil Burner Wiring

6 720 648 162-20.1T

Riello F3 or F5  Series Oil fired Burner

Using a L8148A Aquastat -

1) Connect room thermostat or end switch wiring to the T & TV terminals of the L8148A Aquastat.
2) Connect incoming 120 Vac power source to L1 on the L8148A.
3) Connect a neutral to „L2“ on the L8148A.
4) Connect black wire to terminal B1 of the L8148A and to the „L“ terminal on the Riello Burner terminal block.
5) Connect black wire to terminal B2 of the L8148A and to the „N“ terminal on the Riello Burner terminal block.
6) Connect green wire to ground screw on L8148A and to ground connection on Riello Burner.
7) Red wire is not used in this application.

Note: This drawing is conceptual in nature and does nit purport to address all design, installation or safety considerations. Additional
safety and/or auxiliary equipment may be needed. This diagram is for reference use by officials, designers and licensed installers. It
is expected that installers have adequate knowledge of accepted industry practices for the equipment, procedures, and applications
involved.

Thermostat,

Aquastat or end

switch

L814(A

Honeywell Operating

Aquastat

TV

Summary of Contents for Uni 171

Page 1: ... vider if support or additional information is required Caution The operating manual is a component of the techni cal documentation and must be handed over to the operator of the heating system Discuss the content of this manual with the owner or operator of the heating system to ensure that they are familiar with all information required for operation of the heating system If the boiler will be i...

Page 2: ... distribution tube and supply return header 22 5 1 10Sealing the sensor well 23 5 1 11Positioning the flue outlet 23 5 1 12Sealing boiler hubs 23 5 2 Check for leaks 24 5 2 1 Preparing for a leak test 24 5 2 2 Leak test 24 5 3 Installation when the boiler is supplied assembled 24 5 4 Installation steps for disassembled and assembled delivery 25 5 4 1 Fitting adjustable feet 25 5 4 2 Insert the flu...

Page 3: ...servicing 41 9 3 Cleaning the boiler 41 9 3 1 Cleaning the boiler with brushes 41 9 3 2 Wet cleaning chemical cleaning 42 9 4 Checking heating system operating pressure 42 9 5 Testing relief valve 43 9 6 Servicing and maintenance logs 44 10 Troubleshooting 47 11 Installation examples 48 12 Parts lists 51 13 Circuit diagrams 57 Index 66 ...

Page 4: ...llation of the boiler The local building code requirements regarding placement combustion air and venting and chimney system must be followed Follow applicable electrical code requirements Follow the local code and standards regarding safe boiler operation The technical rules of the gas suppply company regarding the connection of a gas burner to the gas system Warnings are indicated by a warning t...

Page 5: ...nd authorized personnel only CAUTION DANGER TO LIFE from explosion of volatile gases If you notic a smell of gas there is a risk of explosion B Extinguish all open flames B Do not smoke B Do not use lighting B Prevent sparks Do not operate electrical switches including telephones plugs or doorbells B Close the main gas shut off valve B Open windows and doors B Warn all occupants but do not use doo...

Page 6: ...3 19 18 24 27 and Allen key SW19 Support wedge flat iron Cleaning rags and cloth Fine emery cloth Wire brush 3 in 1 oil Cleaning agent ruler chalk straight edge Blanking flange with vent facilitiy for pressure test 1 5 Disposal B Please dispose of any trash in an environmentaly friendly fashion B Please discard properly of any heating system related components ...

Page 7: ...ms due to scale formation and corrosion Please refer to Chapter 2 8 7 Tab 9 for further details of the water quality 2 5 Product description The boiler is a low temperature for oil or gas combustion appliance with automatic control panel or aquastat for boiler water temperature The boiler consists of Boiler block with insulation Boiler jacket Control panel or aquastat The controls monitor and cont...

Page 8: ...n feet are in the burner door and burner door cover package 1 1 1 1 1 1 box on a pallet 1 box1 1 box1 1 box1 1 plastic package 1 package Table 1 Package Contents Component Qty Packaging Front center and back sections 1 1 pallet1 1 1 pallet Control panel or aquastat 1 1 box Jacket Package Fittings Boiler jacket Insulation Burner door burner door cover and assembly equipment2 Technical documents B K...

Page 9: ...ber 4 5 6 Heating capacity gross output Btu hr kW 171 000 50 207 000 60 256 000 75 Thermal output net IBR output Btu hr kW 149 000 43 180 000 52 223 000 65 Boiler water content Gal l Liter approx 16 1 61 approx 19 3 73 approx 22 5 85 Gas capacity cu ft l Liter 1 73 68 8 2 10 85 1 2 48 101 4 Oil firing rate GPH kg h 1 4 4 5 1 7 5 4 2 1 6 7 Maximum input rating Gas Btu hr kW 164 000 48 199 000 58 24...

Page 10: ...20 Boiler section insert width height depth Inch mm 18 1 8 32 5 7 8 460 820 150 Boiler block insert width height depth Inch mm 18 1 8 32 Length LK 460 820 Combustion chamber length Inch mm 21 546 26 668 31 788 Combustion chamber diameter Inch mm 13 337 Burner door thickness Inch mm 3 95 Burner pipe diameter DB Inch mm 4 3 8 112 Hole circle diameter DL Inch mm 5 7 8 150 Distance between boiler feet...

Page 11: ...igh water content 115 gal MBH 130 F 15 l kW 55 C Operation with a modulating burner 130 F 55 C Table 5 General operating conditions 1 A heating circuit with a mixing valve improves controllability and is specifically recommended for systems with several heating zones 2 Boiler water temperature control setting when the boiler is in ON mode the minimum boiler water temperature in the boiler must be ...

Page 12: ...ems total output Ventilation air cross section in square inches unrestricted aperture Air intake flow cross section for combustion air drawn from outside divided between max 2 apertures 170 000 Btu hr 50 kW At least 23 25 square inches 150 cm2 170 000 Btu hr 50 kW At least 23 25 150 cm2 square inches and also 0 91 square inches 6 cm2 per 10 000 Btu hr 3 kW that is above 170 000 Btu hr 50 kW Table ...

Page 13: ...ble 9 Oil burner boiler size burner manufacturer burner model orifice manifold pressure natural propane natural propane Uni 171 Riello 40G200 2 00 mm 1 30 mm 1 75 WC 436 Pa 2 60 WC 647 Pa Uni 207 40G400 2 20 mm 1 50 mm 0 95 WC 236 5 Pa 1 30 WC 323 5 Pa Uni 256 40G400 2 20 mm 1 50 mm 1 30 WC 323 5 Pa 1 70 WC 423 5 Pa Table 10 Gas burner Operating conditions Notes Requirement in greater detail Power...

Page 14: ...ve Permissible site test pressure 45 75 psi 3 1 5 2 bar Safety temperature limitation by TR temperature control 122 194 F 50 90 C Safety temperature limitation by manual reset high limit STB 212 248 F 100 120 C On some controls adjustable on site from 212 100 C to 248 F 120 C Water quality The heating system may only be filled and topped up with water of domestic water quality We recommend a pH va...

Page 15: ...bserve the transport instructions on the packaging CAUTION Risk of injury if load is inadequately secured during transportation B Use suitable means of transportation e g the Bosch boiler hand truck with strap B Secure the load against falling Protect boiler connections from damage and dirt if the boiler is not installed immediately Dispose of packaging in an environmentally responsible manner ...

Page 16: ...ystem in a frost free room Dimen sion Wall clearance A Recommended 51 1 8 1300 mm minimum 39 3 8 1000 mm B Recommended 27 700 mm minimum 15 400 mm C Recommended 15 400 mm minimum 3 7 8 100 mm LK see Technical Data chapter Table 13 Recommended and minimum wall clearances dimensions in inches The boilers are designed for a side clearance of 6 150 mm Where applicable allow extra wall clearances for a...

Page 17: ...lean the boiler hubs with sandpaper and a rag B Remove any burrs with a file B Clean the packing spring or packing groove with a wire brush and rag Fig 5 Remove burrs 1 Boiler hubs 2 Sealing spring 3 Back section 4 Wood blocks B Clean the hub sealing faces with a rag soaked in cleaning agent CAUTION Risk of injury by not securing the boiler adequately during transport B Use only suitable means for...

Page 18: ...ty B Place nipple straight in the top and bottom boiler hub of the back section and hammer in a crosswise pattern B Remove any burrs with a file Fig 7 Driving nipples home 1 Nipple in bottom boiler hub 2 Nipple in the upper boiler hub 5 1 3 Preparing the intermediate section B Prepare the central section in the same way as the back section Æ Chapter 5 1 1 page 17 Fig 8 Preparing the central sectio...

Page 19: ...ction onto the rear section using a wood or a rubber mallet Fig 10 Knock intermediate section into place 1 Wood or rubber mallet 2 Rear section 5 1 6 Boiler section alignment B Position the partly assembled block of two boiler sections B Position a flat board underneath the center section so that the boiler block is slightly tilted for the continuing assembly Fig 11 Installing boiler block section...

Page 20: ...iler hub 1 Auxiliary flange h Ø 3 1 8 x 1 Ø 80 x 25 mm 2 Compression unit 3 Mating flange Ø 3 1 8 x 1 Ø 80 x 25 mm bottom boiler hub 4 Pull rod in the bottom boiler hub 5 Wedge CAUTION Boiler damage due to unsuitable compression tool B Use only the compression tool size 1 2 Æ documents for compression tool suitable for the boiler CAUTION Compression tool damage The compression tool may be damaged ...

Page 21: ... the compression tool to the front section 5 1 8 Fitting the anchor rods B Insert the anchor rods with spring washers into the case cams on the l h and r h side as well as adjacent to the lower boiler hubs Fig 17 Ankerstangen montieren 1 Compression tool 2 Anchor rods 3 Nut 4 Spring washers 5 Cast lugs A Spring washer arrangement CAUTION Boiler damage due to leaking boiler sections B For each comp...

Page 22: ... supply return header and flat gasket into the upper boiler hub at the boiler back Fig 19 Fitting feed pipe and supply return header 1 Flat gasket B Position the supply return header on the threaded studs and tighten four nuty by hand B Evenly tighten the supply return header nuts diagonally using a torque wrench torque maximum 44 lbs ft 60 Nm Fig 20 Fitting supply return header 1 Torque wrench 2 ...

Page 23: ...he back saction and secure with nuts Fig 23 Fitting the flue outlet 5 1 12 Sealing boiler hubs The reducer included with the B Kit is required for fitting the boiler fill and drain valve boiler fill drain valve The boiler fill drain valve is also a component of the B Kit B Seal the reducer with teflon tape or paste into the bottom boiler hub at the back of the boiler B Install the boiler fill drai...

Page 24: ...the leaking boiler by driving flat wedges or chisels into the leaking part Fig 26 Separate the boiler block B Clean the hubs before reassembly B Compress the boiler block again B Fit the anchor rods and feed pipe B Install the water pipework B Repeat the leak test For subsequent installation of the boiler see Æ Chapter 5 3 page 24 5 3 Installation when the boiler is supplied assembled A leak test ...

Page 25: ...8 Fitting adjustable feet 1 Front feet 2 Wood block B Gently set the boiler down 5 4 2 Insert the flue gas baffle plates B Remove the corrugated cardboad packaging when the block is supplied ready assembled or B Remove the flue gas baffles plates from the carton containing the small iron fillings when the boiler is supplied in sections B Install the flue gas baffle plates in accordance with the fo...

Page 26: ...with the hinge lobes onto the hinge pins Fig 32 Hooking on the burner door B Close the boiler door 5 4 4 Fitting the boiler jacket Installation of the boiler back panel B Screw spacer pins to the rear section Fig 33 Installing the spacer pin Boiler section 4 5 6 2nd flue gas pass top center 2 bottom 2 3rd flue gas pass 2 Table 14 Arrangement of the flue gas baffle plates The flue gas temperature c...

Page 27: ...w the bottom cross bar with hexagon bolts to the front section Fig 36 Fitting the bottom cross bar 1 Bottom cross bar Installing thermal insulation B Position the thermal insulation over the boiler block B Push the thermal insulation below the boiler block in the direction of the arrow B Position the thermal insulation tabs in front of the top tie bar and draw them together with a spring clip Fig ...

Page 28: ...sh in the bottom front corner of the side panel 1 Angled part of the bottom cross bar B Slightly lift the side panel B Hook the side panel upper cutout into the upper tie bar B Hook the rear part of the side panel to the extended hook Fig 40 Slot side panel into place 1 Top tie bar 2 Extended hook B Push against the lower end of the side panel and secure with the rear panel using the snap nut Fig ...

Page 29: ...e front boiler cover Fitting the cable entry B Screw the cable entry to the hole in the boiler back panel Fig 43 Fitting the cable entry 5 5 Positioning and leveling the boiler B Positioning the boiler in its final location B Level the boiler horizontally by turning the adjustable feet and using a spirit level Fig 44 Leveling the boiler horizontally Installation of the boiler cover Æ Chapter 5 4 4...

Page 30: ... 8 x 8 200 mm x 200 mm 6 x 6 170 mm x 170 mm inside liner or 6 150 mm diameter with a minimum height of 20 feet 6 m Use a 6 150 mm flue pipe for connection to an existing chimney Installing the flue pipe B Insert flue pipe 6 150 mm onto the breach and secure with 2 screws B Install flue connections between boiler and chimney to slope up at least 6 mm per foot 0 3 m to the chimney B Connect the flu...

Page 31: ...al conversion nipple on boiler inlet VK B Seal pressure temperature gauge to conversion nipple Fig 47 Installing B Kit 1 Pressure relief valve 2 90 Elbow 1 NPT 3 Conversion nippple 1 6 2 2 Installation of boiler drain included in B Kit B Install the boiler fill and drain valve with seal to connector EL B Seal boiler drain to connection EL Fig 48 Installation of boiler drain CAUTION Risk of system ...

Page 32: ...ion Æ Fig 47 Installing B Kit page 31 and all other open connection with blind plugs B Isolate the expansion tank from the system by closing the valve 7 747 019 141 16 1RS 1 2 3 3 5 6 3 3 7 3 9 8 VK RK 11 EL 4 10 CAUTION Risk of system damage from excess pressure when testing for leaks Pressure control and safety equipment may be damaged by excessive pressure B When you carry out a leakage test ma...

Page 33: ...rner Only burners that comply with the boiler specification can be used with this boiler Æ Chapter 2 7 page 9 B Screw studs included with the B Kit to the burner door B Fit the burner to the hole circle of the burner door B Install burner with the correct nozzle and settings air pump pressure turbulator settings flange position B Place the seal on the studs and secure the burner with the included ...

Page 34: ...required in Canada For Canadian installations fit a blocked vent switch per the vent switch manufacturer s instructions and as close as possible to the boiler breach See wiring diagrams 6 8 Electrical connections B Remove rear boiler jacket Unscrew the fixing screws B Remove Back boiler cover Wiring from the control aquastat to the burner is passed through the hole in the front boiler top panel Fi...

Page 35: ...oiler 35 6 720 648 162 2011 08 6 9 Jacket panel installation B Fit the rear boiler cover B Secure by reinstalling cover screws Fig 54 Removing Installing the back boiler cover 1 Back boiler cover 1 6 720 648 162 01 1T ...

Page 36: ...t must be replaced because system components can be damaged by excessive pressure 7 3 Preparing the heating system for operation B Open the fuel supply at the main shut off valve B Switch on the heating system emergency shut off switch and or the appropriate circuit breaker 7 4 Starting up the burner For further start up steps follow the burner start up sequence To do so it is essential that you c...

Page 37: ...8 1 page 40 7 6 1 Removing flue gas baffle plates You can remove the baffle plates in pairs to raise the flue gas temperature B Open burner door by removing the two hexagon bolts at the sides B Remove the baffle plates towards the front B Close burner door with the two hexagon bolts approx 90 inch lbs 10 Nm Tighten the hexagon bolts evenly to properly seal the burner door B Re check the flue gas t...

Page 38: ... is exceeded To enable a boiler reset and re starting the fault must be removed and the system temperature must have fallen below the limit B Check the function of the manual reset high limit Æ controls maintenance instructions 7 8 Installing jacket panels B Attach burner door jacket in the slots of the front boiler cover B Slightly lift the burner door jacket until it hooks into the bottom cross ...

Page 39: ...r s documentation 36 ___________ psi bar 3 Checking combustion air supply and flue system 4 Switching on the controls and burner Æ controls documentation 36 5 Checking flue gas temperature and raising if required 37 ___________ F C 6 Checking the manual reset high limit STB 38 7 Adjusting the controls settings to suit the customer s requirements Æ controls documentation 8 Informing the end user an...

Page 40: ...mergency e g a fire B Never put yourself at risk of fatal injury Your own safety must always take the highest priority B Shut off fuel supply by closing main valve B Disconnect the heating system from the electrical power supply by means of the emergency shutoff switch or the heating system circuit breaker CAUTION Risk of system damage from freezing If the heating system has been switched off it m...

Page 41: ...ler can be cleaned with brushes and or by a wet method Cleaning equipment is available as accessory B Open burner door by removing the two hexagon bolts on the sides 9 3 1 Cleaning the boiler with brushes B Note the position of the flue gas baffle plates to enable their correct re installation later B Remove the flue gas baffle plates from the flue gas flues B Clean the flue gas baffle plates with...

Page 42: ...ng agent evenly into the flue gas passes B Close burner door and start up the heating system B Heat the boiler to a temperature of at least 160 F 70 C B Shut down the heating system B Brush out the hot gas flues 9 4 Checking heating system operating pressure The system pressure for closed systems must be 12 30 psi 1 0 2 1 bar B Check system pressure B If the pressure gauge shows less than 12 psi 1...

Page 43: ... persons are in the discharge area of the pressure relief valve B Raise the lever on the pressure relief valve The pressure relief valve must open and release pressure If the pressure relief valve does not discharge it must be replaced because system components may be damaged by excessive pressure CAUTION Risk of damage to system due to material stresses caused by temperature differentials B Only ...

Page 44: ...rrosion signs of ageing 4 Check the combustion chamber and the heating surface for contamination shut down the system for this step 40 5 Checking the burner Æ burner documentation 6 Check the combustion air supply and flue gas routing for function and safety 7 Check the operating pressure relief valve and expansion tank inlet pressure 42 8 Checking function of DHW tank and sacrificial anode Æ DHW ...

Page 45: ... 8 9 10 Company stamp signature Company stamp signature Company stamp signature Company stamp signature Company stamp signature Company stamp signature Company stamp signature Table 19 If any condition requiring maintenance work is identified in the course of servicing that work must be carried out as necessary to ensure safe and proper operation ...

Page 46: ...s on burner door and burner and replacing as necessary 41 5 Commissioning the heating system 36 6 Final check of the servicing work 7 Checking safe and proper operation Confirmation of properly completed servicing Company stamp signature Company stamp signature Company stamp signature Table 20 Date ______ Date ______ Date ______ Date ______ Date ______ Date ______ Date ______ 1 2 3 4 5 6 7 Company...

Page 47: ... reset button on burner Fig 65 Resetting the burner 1 Burner CAUTION Risk of system damage due to too many resets Too many resets can damage the burner s ignition transformer B Do not press the reset button more than three times in a row B If the fault does not reset after the third attempt try to localize and rectify the fault with the help of the burner documentation B Notify a service engineer ...

Page 48: ... Multiple circuits with circuit valves 1 Baseboard KR Check valve SH Mixing valve MAG Expansion tank SR Adjustment for raising return temperature PH System pump SV Air scoop PW Hot water pump THV Zone valve WH Pressure bypass loop Table 22 7 747 019 141 40 1RS SV PH MAG THV G125 WS NA 1 1 1 Uni 5000F ...

Page 49: ... with circuit valves 1 Baseboard Fig 68 Multiple circuits of water diversion for systems with a high water volume 1 Radiator 2 Boiler bypass 7 747 019 141 41 1RS SV PH KR MAG G125 WS NA 1 1 1 Uni 5000F 7 747 019 141 42 1RS SV PH THV MAG WH G125 WS NA 3 4 1 1 1 2 Uni 5000F ...

Page 50: ...examples 6 720 648 162 2011 08 Fig 69 Multiple circuits with pumps and motor actuated 3 way mixing valve 1 Baseboard 6 720 648 160 12 1T SV control PH PH SH 180 100 100 120 160 180 M PS KR KR MAG G125 WS NA 1 Uni 5000F ...

Page 51: ...N7991 M8x16 Ms x 90 Gasket D94x120x1 5 L150 10C Order for sealing the above flange when ordering a front section 63006140 100 Plug G 1 1 2 05317544 110 Gasket D48x63x1 5mm C4400 Klinger Sil green 87185712590 115 Conversion nipple Tg no 241 black a i 1 1 2 X3 4 80677076 120 Center section Uni 5000F 87185722190 130 Boiler nippple 119 50 Gr 2 must be sealed with red lead putty 2045004 7747024966 140 ...

Page 52: ...gas flue 87185707890 380 Draft baffle plate 3 right Uni 5000F in the center vertical hot gas flue 87185707880 390 Hinge eyelet Uni 5000F 05327454 400 Hexagon bolt ISO4017 M10x35 8 8 5090230 410 Washer DIN125 A10 5 A3K 7747022052 420 Hinge Uni 5000F 05327451 430 Hexagon bolt DIN6921 M10x25 8 8 SW16 SV 87185755000 440 Hexagon bolt DIN6921 M10x65 8 8 for sealing the burner door x x x 450 Boiler feet ...

Page 53: ...580 Sight glass D49 5x5mm 7747021871 590 Sight glass cover plate 63037570 600 Countersunk screw ISO7046 M5x16 Ms 5555760 5555760 5555760 610 Pressure measuring port G1 8 thread DIN288 1 05481194 B Kit Uni 5000F 63032224 Components Supply manifold Uni 5000F Elbow 90 3 4 I A Boiler drain valve 3 4 Relief valve 3 4Mx3 4F 30PSI Pressure temperature gauge 1 4 NPT Conversion nipple 1 x3 4 NPT Plug 1 NPT...

Page 54: ...40 60 70 90 50 80 100 130 230 360 370 380 420 440 560 520 530 540 520 500 570 610 580 570 590 600 510 550 450 450 400 430 410 390 240 320 330 310 250 260 270 150 130 150 110 20 120 160 170 180 300 290 460 470 475 490 480 190 140 110 115 200 340 350 210 220 140 6 720 648 162 21 1T ...

Page 55: ...0 cover front 8718582391 80 Flathead bolt St3 9x9 5 A3T 5947756 5947756 5947756 90 Cover back compl 347 mm long 8718582328 90 Cover back compl 467 mm long 8718582325 90 Cover back compl 587 mm long 8718582331 100 Back panel compl 05261314 110 Hexagon nut DIN6923 M10 8 8 A3K with locking teeth 87185712680 120 Spacer bolt M8x63 5 00475485 130 Hexagon nut DIN6923 M8 8 8 A3K with locking teeth 8718571...

Page 56: ...56 Parts lists 6 720 648 162 2011 08 Fig 71 boiler jacket Uni 5000F 230 220 10 80 60 90 70 75 80 100 110 130 50 60 50 40 20 30 120 150 160 80 80 190 200 6 720 648 162 16 2T ...

Page 57: ...Circuit diagrams 57 6 720 648 162 2011 08 13 Circuit diagrams Fig 72 Circuit diagram 1 6 720 648 162 18 1T SP30D Providing Domestic Priority w Bosch Boilers and Tanks ...

Page 58: ...e L terminal on the Riello Burner terminal block 5 Connect black wire to terminal B2 of the L8148A and to the N terminal on the Riello Burner terminal block 6 Connect green wire to ground screw on L8148A and to ground connection on Riello Burner 7 Red wire is not used in this application Note This drawing is conceptual in nature and does nit purport to address all design installation or safety con...

Page 59: ...Circuit diagrams 59 6 720 648 162 2011 08 Fig 74 Circuit diagram 3 6 720 648 162 17 1T Beckett AFG Burner Wiring Beckett AFG Wiring Schematic ...

Page 60: ...60 Circuit diagrams 6 720 648 162 2011 08 Fig 75 Circuit diagram 4 Honeywell L7248C with Riello F3 and F5 Burners for Bosch Uni 5000F series 6 720 648 162 04 1T ...

Page 61: ...Circuit diagrams 61 6 720 648 162 2011 08 Fig 76 Circuit diagram 5 Honeywell L7248C with Beckett AFG Burner for Bosch Uni 5000F series 6 720 648 162 05 1T ...

Page 62: ...62 Circuit diagrams 6 720 648 162 2011 08 Fig 77 Circuit diagram 6 Honeywell L7248C with Beckett CF375 Burners for Bosch Uni 5000F series 6 720 648 162 06 1T ...

Page 63: ...Circuit diagrams 63 6 720 648 162 2011 08 Fig 78 Circuit diagram 7 6 720 648 162 07 1T AquaSmart with Riello F3 and F5 Burners for Bosch Uni 5000F series AquaSmart 7600A ...

Page 64: ...64 Circuit diagrams 6 720 648 162 2011 08 Fig 79 Circuit diagram 8 AquaSmart with Beckett AFG Burner for Bosch Uni 5000F series AquaSmart 7600A 6 720 648 162 08 1T ...

Page 65: ...Circuit diagrams 65 6 720 648 162 2011 08 Fig 80 Circuit diagram 9 AquaSmart with Beckett CF372 Burners for Bosch Uni 5000F series AquaSmart 7600A 6 720 648 162 09 1T ...

Page 66: ...tallation of boiler drain 31 L Log commissioning 39 Logs servicing and maintenance 44 M Main isolating cock 36 Main isolating valve 36 Maintenance regular 41 Master switch 40 Mounting the burner 33 O On Off switch 40 Onsite testing pressure 32 Operating Conditions 12 Operating conditions 10 P Pack contents 8 Parts lists 51 Permissible operating pressure 9 Power supply voltagePower supply 13 Pressu...

Page 67: ... 67 6 720 648 162 2011 08 Notes ...

Page 68: ...552 1100 Fax 603 584 1681 www bosch climate us U S A Products manufactured by Bosch Thermotechnik GmbH Junkersstrasse 20 24 D 73249 Wernau www bosch thermotechnology com Bosch Thermotechnology Corp reserves the right to make changes without notice due to continuing engineering and technological advances ...

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