Johnson & Starley 42-451-15 Installation, Commissioning & Servicing Instructions Download Page 26 | Manualshive

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12. FUNCTIONAL DIAGRAMS

Fig 6a. Non-MODAIRFLOW FUNCTIONAL DIAGRAM

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Summary of Contents for 42-451-15

Page 1: ...N G H O T W AT E R V E N T I L AT I O N HI SPEC J90 Warm Air Heater with Modairflow or Non Modairflow Control Hi Spec J90 G C No 42 451 15 These instructions are to be left with the User Publication...

Page 2: ...ill be required in the event of any warranty work and as supporting documentation relating to home improvements in the optional documents section of the Home Improvements In the interest of continuous...

Page 3: ...ate Plate 12 Fan delay control non Modairflow 13 Airflow sensor Modairflow models 14 Piezo unit 15 Electronics module MODAIRFLOW 16 Time control 2 3 5 6 7 8 9 10 11 13 12 14 15 16 4 1 Fig 1 1 1 HI SPE...

Page 4: ...ee BS 5440 Part 1 2 5 In under stairs installations the compartment must comply with the relevant section of BS 5864 provided that in addition all internal surfaces including the base are non combusti...

Page 5: ...led shall be mechanically secured and sealed with ducting tape 4 2 WARM DELIVEREDAIR 4 2 1 All duct work including riser ducts should be fully insulated with 50mm 2in fibreglass or similar If short ex...

Page 6: ...ans Where this is not practicable the existing flue system may be used providing there is no evidence of spillage from the old appliance see 5 1 9 above Every effort must be made however to ensure tha...

Page 7: ...ck Any 0 50 Chimney 213 x 213 0 02 Terminal 100 mm ridge 2 5 125 mm ridge 1 0 90O Bend 100 mm pipe 1 22 per 150 mm ridge 0 48 125 mm pipe 0 50 fitting 100 mm GCI 0 6 150 mm pipe 0 24 125 mm GCI 0 25 1...

Page 8: ...Important Before installing the appliance carry out a visual check of the flue system as directed in the relevant section of BS5440 Pt 1 then check the flue performance as follows a Close all doors a...

Page 9: ...x 1 5m 5ft from the floor b Avoid the following locations i In a room where temperature is greatly affected by the sun or any other heat source e g radiant fire wall light fittings or TV set ii Near a...

Page 10: ...t point cover and fit a pressure test gauge refer fig 4 6 3 3 Turn the heater Gas supply ON test for gas soundness and purge the whole gas pipe as described in BS 6891 6 3 4 Referring to Fig 4 press a...

Page 11: ...6 7 2 Turn the Thermista stat or room thermostat slowly clockwise until the Main Burner ignites 6 7 3 Ensure that the Air Circulation Fan starts to operate after a short period approx 1 2 minutes MOD...

Page 12: ...the gas supply at the service cock and ensure that the Multifunctional Control fail safe operates within 60 secs indicated by loud click from Multifunctional Control 6 8 4 Turn gas supply ON at the S...

Page 13: ...ts 7 2 6 How to obtain summer air circulation 7 2 7 That the air grilles on the heater or heater compartment grilles and ventilators in the walls windows or doors of the building must not be obstructe...

Page 14: ...n switches on check for any air leaks between the air heater and the Base Plenum paying particular attention to heaters with rear Draught Diverters Rectify any air leaks before continuing with this pr...

Page 15: ...8 2 8 6 2 Disconnect the Thermocouple at the Multifunctional Control including the adapter avoiding damage to the capillary 8 6 3 Disconnect the Pilot Feed Pipe from the Multifunctional Control 8 6 4...

Page 16: ...that the electrical supply is isolated 8 12 2 Release the securing screw situated on the lower face of the Time Control and remove the Time Control by partially withdrawing the bottom and then liftin...

Page 17: ...Bracket to the TTBAssembly and withdraw the bracket 8 14 10 Disconnect the TTB from its conductors 8 14 11 Refitting or replacement is in reverse order 8 15 HEATEXCHANGERACCESS 8 15 1 Ensure that the...

Page 18: ...d Clear pilot orifice or replace pilot injector iv Piezo system faulty Check igniter lead and electrode v Excessive gas supply pressure Check that mains gas pressure is 20mbar and reduce if necessary...

Page 19: ...ocouple Capillary 8 5 7 Release the Electrode securing nut from the Pilot BurnerAssembly and withdraw the Electrode 8 5 8 Release the Pilot Feed Pipe securing nut from the Pilot Burner Assembly and wi...

Page 20: ...LE Y N IS FUSE OK REPLACE FUSE N Y CHECK FOR VOLTAGE AT FAN LIVE TO NEUTRAL Y REPLACE FAN DOES FAN START N BRIDGE OUT AIRFLOW SENSOR Y REPLACE AIRFLOW SENSOR REPLACE TRANSFORMER REPLACE MULTIFUNCTIONA...

Page 21: ...N TURN GAS ON N LIGHT PILOT Y Y SWITCH ON 230 V N Y N Y REPLACE FUSE N Y REPLACE MULTIFUNCTIONAL CONTROL SET CONTROLS CORRECTLY Y N CHECK POLARITY OF THERMISTA STAT CONNECTIONS Y IS POLARITY CORRECT...

Page 22: ...HEATERIS LESS THAN 60 c Y Y CHECKMAINBURNER PRESSURESETTINGS ARECORRECT SET TO CORRECT PRESSURE SETTING N Y SET FAN BALANCING SCREW Y DOES FAN SPEED UP N Y REPLACE ELECTRONIC MODULE REPLACE ELECTRONIC...

Page 23: ...SENSOR Y DOES FAN STILL RUN REPLACE ELECTRONICS MODULE Y IS PILOT FLAME TOO BIG N Y ADJUST PILOT FLAME TO CORRECT SETTING REPLACE AIRFLOW SENSOR N MAIN BURNER ONLYFIRES FOR SHORT PERIODS DEFECT IS IN...

Page 24: ...www johnsonandstarley co uk 24 23 Fig 5a MODAIRFLOW CIRCUIT DIAGRAM 11 WIRING DIAGRAMS Fig 5a MODAIRFLOW CIRCUIT DIAGRAM...

Page 25: ...25 Sales Spares Replacement Help Line 01604 762881 Fig 5b Non MODAIRFLOW CIRCUIT DIAGRAM...

Page 26: ...www johnsonandstarley co uk 26 12 FUNCTIONAL DIAGRAMS Fig 6a Non MODAIRFLOW FUNCTIONAL DIAGRAM...

Page 27: ...27 Sales Spares Replacement Help Line 01604 762881 Fig 6b Non MODAIRFLOW FUNCTIONAL DIAGRAM...

Page 28: ...www johnsonandstarley co uk 28 13 DIMENSIONS Fig 7 HI SPEC J90 DIMENSIONS...

Page 29: ...29 Sales Spares Replacement Help Line 01604 762881 14 NOTES...

Page 30: ...971 B300 0706000 Igniter Bracket 1 23 230 394 BOS 00836 Gasket for heat exchanger cap 3 24 E02 557 J652 0161000 Lower Compartment Door 1 MODAIRFLOW MODELS 25 E02 951 J903 0156000 Fan Compartment Door...

Page 31: ...31 Sales Spares Replacement Help Line 01604 762881 16 EXPLODED DIAGRAM Fig 8 HI SPEC J90 EXPLODED DIAGRAM...

Page 32: ...PAK65 4 Free Standing Kit FS90 5 Return Air Kit RAK65 6 Cleanflow Electronic Air Cleaner CF 90H 7 Replacement Pads A0354X0357 Warm Air Heating fully complies with PART L OF THE BUILDING REGULATIONS by...

Page 33: ...to the customer any remedial or improvement work identified during the course of commissioning or servicing work Refer to the manufacturer s helpline where assistance is needed Report product faults...

Page 34: ...Automatic bypass system Fitted Not required Warm Air Unit Interlock Yes No If YES Volume Litres FOR WARM AIR HEATERS ONLY Has the system been balanced in accordance with the heater manufacture s instr...

Page 35: ...Comments Signature SERVICE 05 Date Engineer name Company name Telephone No Operative ID No Comments Signature SERVICE 07 Date Engineer name Company name Telephone No Operative ID No Comments Signatur...

Page 36: ...sales johnsonandstarley co uk marketing johnsonandstarley co uk Reception Customer Service 01604 762881 Fax 01604 767408 Anniversary 1922 2012 In the interest of continuous development Johnson Starley...

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