Installation & Servicing Instructions - Grant UK

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12.2 Burner Fault Finding - Riello RDB burners Nozzle atomising fuel NO YES YES Combustion air set Combustion head set YES Solenoid valve operating NO Replace nozzle YES YES NO NO Flame off and relights Check oil pressure regulator Contaminated fuel or filter Boiler or flue blocked Replace coil and/or stem valve Replace control box Fault Finding If balanced flue, remove air tube and retest OK Reseal balanced flue or reposition flue Lockout after 12 sec purge YES Ignition spark proved Pump produces pressure YES YES NO NO NO Repair or replace motor/pump Check and set the electrodes NO Washing pressure 1 to 2 bar NO YES Replace the control box Drive coupling broken NO Repair or replace oil pump Motor gives 50 Volts * to white wire Coil of solenoid sound ** YES YES YES Photocell sound *** NO NO NO Replace burner motor Replace solenoid coil Replace photocell Burner motor runs Lockout within 1 second YES NO NO YES Check L & N to control box YES NO NO Motor/pump seized or tight YES Check boiler controls Replace motor capacitor Notes * ** *** Motor white wire returns 50 - 53 V AC to control box. Test solenoid coil for continuity or 100 ohms. Test photocell by disconnecting it in control box. If burner fires and then goes to lockout, photocell should be replaced. It is best to replace the photocell if it is suspect. Burners on balanced flue systems can recirculate flue products causing burner recycling. If this happens, check flue position and sealing. 38
13 Spare Parts 13.1 Boiler parts list Description Cleaning door nut and washer set Double pole switch Test switch Frost thermostat Baffle set (complete) - 15/21 Baffle set (complete) - 15/26 Baffle set (complete) - 26/36 and 36/46 Baffle set (complete) - 46/58 Baffle set (complete) - 58/70 Turbulator baffle - single (all models) Sealed system - Expansion vessel 10 litre - 15/21 Sealed system - Expansion vessel 12 litre - 15/26 Sealed system - Expansion vessel 16 litre - 26/36 and 36/46 Sealed system - Water pressure gauge Sealed system pressure relief valve Sealed system - Expansion vessel flexible hose Cleaning door rope seal - 15/21 and 15/26 Cleaning door rope seal - 26/36 and 36/46 Cleaning door rope seal - 46/58 and 58/70 Overheat thermostat Boiler thermostat Circulating pump - 6 m head Circulating pump - 7 m head Part No. EFBS14 EFBS19 EFBS21 EFBS23 VBS93 VBS01 VBS36 VBS76 VBS77 VBS05 MPCBS27 MPSS01 MPSS07 MPSS02 MPSS03 MPSS04 VBS15 VBS16 VBS111 TPBS33 TPBS34 MPCBS23 VBS54 13.2 Burner heads 15 x 4dia. 18dia. 15 x 4.5dia. 20 dia. 5 x R3 5 x R5 T1 - 15/21, (15/26 15-20kW) T2 - 15/26 (23-26 kW) 15 x 5.5dia. 20dia. 15 x 5.5dia. 23dia. T3 - 26/36 Figure 13-1: Burner heads 5 x R5 T5 - 36/46 5 x R5 GIB - 46/58, 58/70 Spare Parts 39
Page 1 and 2: Grant Vortex Pro External Module Co
Page 3 and 4: Contents 1 Introduction 4 1.1 How a
Page 5 and 6: BOILER ON/OFF SWITCH ISOLATES PUMP
Page 7 and 8: 2.3 Vortex Pro Boilers using Class
Page 9 and 10: 3 Oil Storage & Supply System 3.1 F
Page 11 and 12: Tiger Loop system - (See Figures 3-
Page 13 and 14: 4 Boiler Installation Information 4
Page 15 and 16: For long term protection against co
Page 17 and 18: 6 Condensate Disposal 6.1 General R
Page 19 and 20: 7 Sealed Systems 7.1 Sealed System
Page 21 and 22: 3. Fit the ½” BSP straight end o
Page 23 and 24: 8 Electrical The VORTEX Pro Externa
Page 25 and 26: Grey Grey Blue Motor HTG Orange Blu
Page 27 and 28: 9 Flue System and Air Supply 9.1 Lo
Page 29 and 30: 9.3 Grant Hybrid System This vertic
Page 31 and 32: BOILER ON/OFF SWITCH ISOLATES PUMP
Page 33 and 34: 11 Boiler Servicing To ensure effic
Page 35 and 36: 4. Nozzle: The nozzle should be rep
Page 37: 12 Fault Finding 12.1 Boiler Fault
Page 41 and 42: Riello RDB1, RDB2 and RDB2.2 burner
Page 43 and 44: Riello RDB3.2 burner parts list Key
Page 45 and 46: 15 EC Declaration of Conformity We
Page 47 and 48: 7. The Company will endeavour to pr
Page 49 and 50: Notes 49
Page 51 and 52: 6User Instructions Frost Protection
Page 53 and 54: 4User Instructions User Instruction
Page 55 and 56: Grant Engineering (UK) Limited Hopt

Installation & Servicing Instructions - Grant UK

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