Fondital KR 55 Installation & Use Manual Download Page 34 | Manualshive

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fig. 21 A

3.5. Wiring diagram

55 KW

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Summary of Contents for KR 55

Page 1: ...IST 03 C 000 01 INSTALLATION USE AND MAINTENANCE TAHITI CONDENSING KR 55 KR 85 GB...

Page 2: ...one of our boilers Please read these instructions carefully They will enable you to install operate and service the equipment properly Any maintenance and repair operations must be carried by one of o...

Page 3: ...oiler Do not attempt to make repairs contact a qualified technician Manufacturer approved and supplied parts must be used for all repairs to the boiler Failure to comply with the above requirements ma...

Page 4: ...he fitter pag 27 3 1 Installation standards pag 27 3 2 Installation pag 27 3 2 1 Packaging pag 27 3 2 2 Choosing where to install the boiler pag 27 3 2 3 Positioning the boiler pag 27 3 2 4 Installing...

Page 5: ...ernal probe operation pag 32 Fig 21A Wiring diagram for KR 55 pag 34 Fig 21B Wiring diagram for KR 85 pag 35 Fig 22 Adaptation to other gas types for KR 55 pag 37 Fig 23 Adaptation to other gas types...

Page 6: ...ia attiva solo se la caldaia collegata ad un sistema di preparazione dell acqua calda sanitaria esterno Hot water is only provided if the boiler is connected to a separate water heater With the select...

Page 7: ...ig 1 The problem must be solved before the boiler can be restarted f Burner shutdown indicator This comes on when the burner shutdown device activates due to a malfunction To restart the boiler turn t...

Page 8: ...h normal operation If the boiler is connected to a separate water heater Malfunction Boiler not powered on Boiler shutdown due to flame absence Boiler shutdown due to safety thermostat activation Boil...

Page 9: ...he temperature range must be set by the fitter or an Authorized Service Centre 3 2 11 9 During temperature setting the CH symbol on the LCD flashes and the CH setting is displayed When the CH system r...

Page 10: ...ffectively against freezing by means of specific anti freeze additives suitable for use in multi metal systems It is important to check the effectiveness of the anti freeze product periodically Do not...

Page 11: ...an external probe is installed knob 4 Fig 1 loses its CH water temperature fun ction and becomes a fictitious ambient temperature regulator Fig 3 for the temperature desired in the rooms to be heated...

Page 12: ...gineer 1 5 3 Shutdown due to air flue gas system malfunction If the air flue gas system malfunctions the boiler shuts down The burner shutdown symbol is displayed and code E03 flue gas thermostat flas...

Page 13: ...boiler will continue to operate but the sliding temperature function is disabled The temperature of the CH water is regulated ac cording to the position of regulator 4 Fig 1 which in this case loses i...

Page 14: ...witch detecting no water in the CH system CH temperature probe Safety thermostat Flue gas thermostats Filling tap User interface Liquid crystal display showing the boiler operating status Mode selecto...

Page 15: ...take 1 2 G Gas intake 3 4 SI Condensate trap M CH system flow 1 RC Filling tap R CH system return 1 450 750 30 50 43 56 173 98 80 220 5 127 62 148 135 89 78 534 S SI G M F R RC Aspirazione aria scaric...

Page 16: ...62 534 43 56 173 98 80 220 5 S SI G M F R RC Scarico fumi 100 mm Aspirazione aria 80 mm fig 7 S Condensate drain F Water mains intake 1 2 G Gas intake 3 4 SI Condensate trap M CH system flow 1 RC Fil...

Page 17: ...6 CH temperature probe 7 Flue gas thermostat 8 Inspection trap plug 9 Condensate drain pipe 10 Pre mixing burner 11 Twin differential minimum water pressure switch 12 Gas valve 13 Safety thermostat 14...

Page 18: ...temperature probe 7 Flue gas thermostat 8 Inspection trap plug 9 Condensate drain pipe 10 Pre mixing burner 11 Twin differential minimum water pressure switch 12 Gas valve 13 Safety thermostat 14 Circ...

Page 19: ...Data If connected to a water heater with NTC probe 10 k 3435 Value referred to 15 C 1013 mbar KR 55 Pmax Pmin 30 heat output Casing heat loss with burner on 0 46 0 83 Casing heat loss with burner off...

Page 20: ...20 2 8 Pumping head fig 10 V1 V2 V3 V1 Pump speed I min V2 Pump speed II V3 Pump speed III max V1 V2 V3 V1 Pump speed I min V2 Pump speed II V3 Pump speed III max fig 11 KR 55 KR 85...

Page 21: ...emplate Fig 12 3 2 2 Choosing where to install the boiler The following must be taken into account when choosing where to install the boiler Read the instructions in 3 2 6 Air intake flue gas discharg...

Page 22: ...22 KR KR KR KR KR KR 0DIMACAR12 fig 12 Coupling Coupling M Flow 1 G Gas 3 4 F Cold water 1 2 R Return 1...

Page 23: ...ure Fix the template to the wall Fig 12 Drill four 12 mm holes in the wall for the wall plugs If necessary drill holes in the wall for the air intake and flue pipes Fix the bracket onto the wall using...

Page 24: ...densing boilers made by the Manufacturer which are resistant to the acids in the condensate The discharge pipes must be installed sloping towards the boiler This is to allow the condensate to flow bac...

Page 25: ...be at least 250 mm and both terminals must be positio ned within a square having 500 mm sides The boiler must be equipped with a fan before the combustion chamber heat exchanger Type C33 Boiler desig...

Page 26: ...the maximum length must be redu ced by 1 metres For each additional 45 elbow the maximum length must be redu ced by 0 5 metres The roof terminal decreases the maximum length by 1 metre Types C43 C53...

Page 27: ...room thermostat if there is one ON and the boiler in operation press the chimney sweep button Fig 15 for a few seconds The boiler turns off performs the ignition sequence and runs at a preset stable...

Page 28: ...pplicable rules and regulations in the country of installations which are intended as an integral part of this handbook Please note that before activating an indoor gas supply system and before connec...

Page 29: ...stic waste system The condensate drainage system and the domestic waste system must be made of suitable materials that are resistant to the condensate The Manufacturer cannot be held liable for damage...

Page 30: ...sheathed together with the power cables 3 2 13 Connecting the OpenTherm remote control optional The boiler can be connected to a remote control an optional supplied by the manufacturer It must be ins...

Page 31: ...n the boiler s printed circuit board Fig 21 The temperature probe cables must NOT be sheathed together with power cables The temperature probe must be installed on an outside wall facing north or nort...

Page 32: ...regulation trimmer determines the CH operating range according to the following values The fictitious ambient temperature is set on knob 4 Fig 1 which loses its CH temperature control function 1 4 7 a...

Page 33: ...er perform the following procedure to make sure that the pump works Unscrew the protection bolt in the centre of the pump motor Insert the tip of a screwdriver in the hole and turn the pump shaft cloc...

Page 34: ...34 fig 21 A 3 5 Wiring diagram 55 KW...

Page 35: ...35 fig 21 B 85 KW...

Page 36: ...length 3 metres TA ambient thermostat optional CM1 CM2 jumpers for selecting the type of boiler FL DHW flow switch FLP Safety flow switch for low water in the primary circuit CH VG gas valve TL limit...

Page 37: ...t output setting is displayed on the LCD as a percentage of the boiler s maximum value position selector 2 fig 1 to WINTER check that the optional ambient thermostat optional is set to ON activate the...

Page 38: ...corresponds to the setting iIf necessary the boiler must be converted according to the instructions in 3 6 Adapting to other gases This operation must be carried out by a qualified service engineer th...

Page 39: ...gas stack State of the combustion fan State of the Hall sensor General integrity of the boiler safety devices Water leaks and oxidation of the boiler fittings Boiler safety valve efficiency Expansion...

Page 40: ...the boiler safety thermo stats has cut in Difficult draught at chimney Check the chimney and ambient air suction grilles Flue gas thermostat faulty Replace it The boiler has shut down The symbol is d...

Page 41: ...mote control is switched off The symbol is displayed and code E22 flashes Operation is resumed automatically when the cause of shutdown has been removed No communication with remote control Cable betw...

Page 42: ...42...

Page 43: ...43...

Page 44: ...96 257 e mail fondital fondital it www fondital it Il produttore si riserva il diritto di apportare ai propri prodotti quelle modifiche che riterr necessarie o utili senza pregiudicarne le caratterist...

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