DALEMANS DAX 3F-I Installation, Operating And Maintenance Instructions Download | Manualshive

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INSTALLATION, OPERATING AND

MAINTENANCE INSTRUCTIONS

DAX3FI_MAN01_EN

STAINLESS STEEL

FLAMMABLE GAS DETECTOR

DAX 3F-I

Ver. V1R2

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2
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Summary of Contents for DAX 3F-I

Page 1: ...INSTALLATION OPERATING AND MAINTENANCE INSTRUCTIONS DAX3FI_MAN01_EN STAINLESS STEEL FLAMMABLE GAS DETECTOR DAX 3F I Ver V1R2...

Page 2: ...o switch off power and declassify the hazardous area before carrying out replacement or modification works on components of the gas detection system Application The DAX 3F I gas detector is suitable f...

Page 3: ...ty e IIC equipment group II subdivision according to the nature of the explosive GAS atmosphere methane propane ethylene hydrogen acetylene T6 T4 temperature class according to the maximum surface tem...

Page 4: ...tstone bridge measuring circuit For details of compatible control unit please contact Dalemans The flammable gas detector DAX 3F I comprises the following main parts The sensing head The junction box...

Page 5: ...n takes place on the active element The heat of reaction on the catalyst layer produces a variation in the resis tance of the active element This resistance variation which is a function of gas concen...

Page 6: ...5 DAX 3F I Dimensions Figure 3 DAX 3F I mechanical pattern 152 5 45 10 128 5 100 60 166 100 60 43 P C A...

Page 7: ...sing head may not be modified Do not open the junction box or the sensing head while explosion hazard might be present Only clean or wipe the detector surface with a wet cloth so as to avoid the risk...

Page 8: ...perts having specialist knowledge of gas dispersion with those who have knowledge of process plant system and equipment involved and with safety and engineering personnel Should you require any furthe...

Page 9: ...her information Mounting The detector should be mounted flat on a wall and according to the mechanical pattern given in f igure 3 Attach the detector to the wall using the original external mounting b...

Page 10: ...he control unit For more information about the cross sectional area of the cable and the maximum cable length please refer to the instruction manual of the control unit The overall cable diameter must...

Page 11: ...ged so that the gap between the insulation and the metallic edge of the terminal connection does not exceed 1 mm distance Equipotential bonding may be provided using either the internal earthing termi...

Page 12: ...rew the sensing head top using the suitable tool OUT00000113 Replace the sinter metal filter with a new one MEC00000010 Screw up the sensing head top and tighten Make sure the sensing head is still co...

Page 13: ...r and perform full cali bration Spare parts Article code Bracket mounting kit B O I 0 0 0 0 0 1 4 8 Cable gland Ex e M20 6 12 mm BRASS P R E 0 0 0 0 0 0 2 9 Cable gland Ex e M20 6 12 mm STAINLESS STEE...

Page 14: ...class 20 C to 70 C for T5 and T4 temperature class Humidity Ambient 20 90 HR Intermittent 10 99 HR Pressure 90 110 kPa Cable cross sectional area 1 5 2 5 mm solid wires Max cable length Refer to the...

Page 15: ...ent directive March 23 1994 on the approximation of the laws of the member states concerning equipment and protective systems intended for use in potentially explosive atmospheres EN 60079 0 standard...

Page 16: ...DALEMANS s a rue Jules M lotte 27 B 4350 Remicourt Tel 32 0 19 54 52 36 Fax 32 0 19 54 55 34 info dalemans com www dalemans com OFFICIAL DEALER...

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