Johnson & Starley 42-451-14 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 42-451-14

Page 1: ...N G H O T W AT E R V E N T I L AT I O N HI SPEC J65 Warm Air Heater with Modairflow or Non Modairflow Control Hi Spec J65 G C No 42 451 14 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: ...culating fan 3 Fuse s 4 Time control 5 Data plate 6 Limit switch 7 Multifunctional control 8 Pilot burner 9 Burner and Control Assembly 10 Gas connection 11 Airflow sensor Modairflow models 12 Fan Del...

Page 4: ...on of BS 5864 provided that in addition all internal surfaces including the base are non combustible or lined with non combustible material This requirement is applicable only to dwellings of more tha...

Page 5: ...guidelines in the British System Design Manual to suit the needs of its specific heating requirements and building layout The type of duct system i e radial extended plenum stepped should be installe...

Page 6: ...istance can be achieved practicably by some means 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 E...

Page 7: ...ion Example A warm air unit with a 100 mm diameter flue spigot fitted with a pre fabricated flue system leading to a ridge tile in the loft refer Fig 2 From table 3 Kia Inlet resistance of actual flue...

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: ...nt gas supply pipe from the meter is to be preferred wherever possible When this is not possible the pipe must be capable of taking the complete input of the heater and all other gas appliances being...

Page 10: ...luid sealing any leaks found 6 3 13 Allow the heater to operate for a minimum of 15 minutes to ensure stability 7 servicing The gas pipe should be so fitted and installed as to be durable substantial...

Page 11: ...efore continuing 6 6 2 With the Main Burner operating continuously check that the temperature rise across heater is between 45o C 55o C setting the fan speed accordingly decrease fan speed to increase...

Page 12: ...iance ON 6 8 9 Ignite the Main and Pilot Burners as detailed in sub para 6 3 1 to 6 3 5 6 8 10 Ensure that the Limit Switch operates indicated by the Main Burner extinguishing within 120 and 180 secon...

Page 13: ...NCE IMPORTANT Ensure gas and electricity supplies are isolated before commencing any maintenance or replacement of components After completion of any maintenance always test for gas soundness and carr...

Page 14: ...5 minutes to ensure stability and with the main burner lit ensure that the operation of Air Circulation fan does not affect the main burner flame profile 8 2 BURNERAND CONTROLASSEMBLY REMOVAL 8 2 1 En...

Page 15: ...the Piezo retaining nut and remove the unit from its mounting bracket 8 7 3 Refitting or replacement is in reverse order 8 8 AIR CIRCULATINGFAN REMOVALAND CLEANING 8 8 1 Ensure that the electrical sup...

Page 16: ...trol and remove by partially withdrawing the bottom of the Time Control and then lifting upwards 8 12 3 Disconnect the Time Control electrical connections from the integral terminal strip 8 12 4 Refit...

Page 17: ...d In the event of heat exchangerreplacement being necessary contact Johnson and Starley Service Department 9 DEFECT DIAGNOSIS 9 1 IMPORTANT If an electrical defect occurs afterinstallation of the appl...

Page 18: ...trical defect occurs afterinstallation of the appliance preliminary earth continuity polarity and resistance to earth checks should be carried out with a multimeter On completion of any maintenance fa...

Page 19: ...ommended procedure Non MODAIRFLOW models j Pilot alight but main i Mains electrical supply not Check mains supply burner not igniting connected to heater ii Controls not demanding heat Check that time...

Page 20: ...CHECKFORVOLT AGE ATFANLIVETO NEUTRAL MAIN BURNER ON BUT FAN NOT RUNNING Y REPLACEFAN DOES FAN START N BRIDGEOUT AIRFLOWSENSOR Y REPLACE AIRFLOWSENSOR REPLACE TRANSFORMER REPLACE MULTIFUNCTIONAL CONTRO...

Page 21: ...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 N RECTIFY DEFECT Y BRIDGETHERMISTA STAT TER...

Page 22: ...C CHECK TTB LIMIT SWITCH CONNECTIONS 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 REPL...

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 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 MODAIRFLOW FUNCTIONAL DIAGRAM...

Page 28: ...www johnsonandstarley co uk 28 13 DIMENSIONS Fig 7 HI SPEC J65 DIMENSIONS...

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

Page 30: ...ss Lighting Injector Bray 1 or E02 423 1000 0705310 Cross Lighting Injector Stereomatic 1 20 E02 556 J652 0350005 Heat Exchanger exchange kit 1 21 395 945 1000 0700570 Piezo Unit 1 22 244 971 B300 070...

Page 31: ...31 Sales Spares Replacement Help Line 01604 762881 16 EXPLODED DIAGRAM Fig 8 HI SPEC J65 EXPLODED DIAGRAM...

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

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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