Table of Contents
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CONTENTS:
Functional description ................ 2
Safety regulations ....................... 3
Checklist ..................................... 4
Installation .................................. 5
Commissioning ........................... 7
Maintenance ............................. 11
Programming ............................ 14
Troubleshooting ....................... 12
Technical data .......................... 14
Retain these instructions for
future use.
Edition 1.7 - 22-10-03
Afriso Ema AB
Kilvägen 2 • SE-232 37 Arlöv
Sweden
Phone: +46-(0)40-92 20 50
www.afriso.se
MTA 6
Universal alarm unit
2460
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Summary of Contents for AFRISO MTA 6
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Page 1: Table Of Contents
MTA 6 Universal alarm unit CONTENTS: Functional description ....2 Safety regulations ....... 3 Checklist ........4 Installation ........5 Commissioning ......7 Maintenance ......11 Programming ......14 Troubleshooting ....... 12 Technical data ......14 Retain these instructions for future use. -
Page 2: Functional Description
• R6-S Thermistor type (Ex) damming sen- sor for indication of a high level. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... -
Page 3: Safety Regulations
The intrinsically safe circuit must not be earthed Observe regulatory requirements when connected in an EX-classified area AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... -
Page 4: Checklist
• Switch on the power and check sensor signals • Carry out a function control as shown in the commissioning instructions AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... -
Page 5: Installation
K3: G: common = - feed to sensor Recommended cable Power supply: 3 x 1.5 mm² Multi-core cable to junction box: 7 x 1 mm² AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... - Page 6 Damming sensor Inlet Outlet Level sensor Sludge sensor H*: the precise installation depth is specified in the separator manual. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se...
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Page 7: Commissioning
• Switch on the power supply to the elec- tronic unit AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... - Page 8 V (3 sec) = DONE minimise the risk of false alarms when the alarm level is close to the sensor. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se...
- Page 9 2 minutes. The unit should then return to “Normal operation screen”. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se...
- Page 10 Check the sensor and its connection (see the Troubleshooting section). Sensor err on input X see manual for action [Reset]=mute AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se...
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Page 11: Maintenance
R1, R2 or both. To stop scrolling, hold down Reset for 3 seconds. The Reset unit then returns to its normal display. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... -
Page 12: Troubleshooting
“Sensor err on input x (sludge)” Measure voltage at sensor Error in sensor circuit to sensor (e.g. alarm appears in the display cable failure/short-circuit) AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se... - Page 13 15.3 V Sensor in water (normal operation) When the sensor output is inactive, the voltage at the output is 0 volts. AFRISO EMA AB • Kilvägen 2, 232 37 Arlöv • Sweden • Phone +46-(0)40-92 20 50 • info@afriso.se • www.afriso.se...
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Page 14: Technical Data
MTA 6 Separator alarm OSA 3 • Manual TECHNICAL DATA Central element ATEX standard EN IEC 60079-0 (2018) MTA 6 EN 60079-11 (2012) Certificate number SP 16ATEX3652X Intrinsically safe design II (1) G [Ex ia Ga] IIA Intrinsically safe circuit is galvanically isolated from earth. - Page 15 Product Quality Assurance: Presafe 18 ATEX 12341Q Notification Notified Body DNV; Notified body number 2460 Afriso Ema AB declares under our sole responsibility, that the equipment specified above conforms to the above mentioned Directives and Standards. 2021-05-24 Date: Signed: Jonas Ericson Nihlstorp Afriso Ema AB, Kilvägen 2 , SE-232 37 Arlöv, Sweden...
- Page 16 Notes Afriso Ema AB Kilvägen 2 • 232 37 Arlöv • Sweden Phone: +46-(0)40-92 20 50 www.afriso.se...
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