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Check the flamepath gap on the HFT & AFT Thermostats (As section 5.0) 

 

Earth continuity must be maintained between all earth points and main structure. 

 

8.7.4 

Annually 

 

Carry out 3 monthly and 6 monthly checks as above. 

 

Check for element failure or low insulation resistance, as section 3.0 

8.8 

Only Exheat Industrial  Ltd  can  carry out rod type element replacements  in hazardous area 
heaters, any unauthorised modifications  will  invalidate the hazardous area certification and 
any warranty. 

8.9 

If equipment is being left unused for a period greater than 3 months, carry out 6 monthly 
maintenance before energizing. 

 

9.0 

MARKINGS 

9.1 

FAW, FAW-C & FCR Range: 

II 

2 G 

 

Ex e 

IlC 

T4 to T2 

Gb

 

9.2 

FAW-C-T and FCR-A (with Integral Thermostat): 

II 

2 G 

 

Ex d e  

IlC 

T4 to T2 

Gb

 

9.3 

HFT Type Thermostat used with Integral Thermostat Option, or Stand Alone type: 

II 

2 G 

 

Ex d 

IlC 

T6 

Gb

 

9.4 

AFT Type Thermostat. (Stand Alone Externally Adjustable): 

II 

2 G D 

 

Ex d 

IlC 

T6 

Gb

 

 

Ex t IIIC T85°C Db 

 

10.0 

CERTIFICATION

 

10.1 

FAW, FAW-C & FCR Ranges 

 

ATEX:   LCIE 00 ATEX 6013 X 

 

IECEx:  IECEx LCI 07 0009 X 

10.2 

HFT Type Thermostat and AFT Type (Externally Adjustable) 

 

ATEX:   LCIE 99 ATEX 6017 X 

 

IECEx:  IECEx LCI 07 0003 X 

10.3 

STW Range Air Warmers 

 

No Certificates as these are Safe Area Heaters. 

10.4 

SAT40 & SAT60 

 

No Certificates as these are Safe Area Thermostats. 

 

Содержание AFT Series

Страница 1: ...RUCTIONS FAW FAW C FAW C T TYPE AIR WARMERS FCR FCR A TYPE CONVECTORS STW STW T SAFE AREA AIR WARMERS HFT AFT SAT TYPE AIR THERMOSTATS Please read these instructions thoroughly before installation and...

Страница 2: ...NECTION 4 6 0 EARTH CONNECTION 4 7 0 OPERATION 5 8 0 MAINTENANCE 5 9 0 MARKING 6 10 0 CERTIFICATION 6 APPENDIX A WIRING DIAGRAMS 7 APPENDIX B HEATER GENERAL ARRANGEMENT DRAWINGS 18 To maintain the equ...

Страница 3: ...se in potentially explosive atmospheres 1 12 All electrical testing must be carried out in a non hazardous area 1 13 Precautions must be taken to prevent damage to machined surfaces and threads of fla...

Страница 4: ...ld be recorded Should the whole heater be below this value each element would need to be checked to ascertain which one was low in resistance 3 2 2 Use the continuity Ohms setting on the elements and...

Страница 5: ...ably certified cable glands and IP washers not supplied and be fitted by a qualified person Any unused entries should remain plugged with the factory fitted certified Ex d plugs if installed or with s...

Страница 6: ...1 All prevailing site safety regulations shall be adhered to at all times 8 2 Equipment shall be checked regularly for any dust accumulation which must be removed from all surfaces 8 3 Before and whil...

Страница 7: ...nths carry out 6 monthly maintenance before energizing 9 0 MARKINGS 9 1 FAW FAW C FCR Range II 2 G Ex e IlC T4 to T2 Gb 9 2 FAW C T and FCR A with Integral Thermostat II 2 G Ex d e IlC T4 to T2 Gb 9 3...

Страница 8: ...7 APPENDIX A WIRING DIAGRAMS...

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Страница 19: ...18 APPENDIX B HEATER GENERAL ARRANGEMENT DRAWINGS...

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Страница 26: ...Thetford IP25 6NG Tel 44 0 1953 886210 Fax 44 0 1953 883853 For sales and new product information see our website www exheat industrial com Author P Bumstead Issue Date April 2019 Issue K_English A4 p...

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