Instruction manual AlarmScout 961-962
Contents
1. Figure 2 Warning Bring the instrument on the same potential as the tank potential prior to the installation 2 Instruction amp installation manual AlarmScout 961 962 line powered Part No 4417901_Rev 0 Honeywell Enraf WIRING WITH CABLES Model 961 single gap Model 962 dual gap Input power 1 x DPDT 5 A relay DC 18 to 32 V DC lt 3 W 2 x SPDT 5 A relays Malfunction AC 102 to 265 V AC lt 3 W A SPDT relay 5A Ground ooo0j o0oo00 000 OOO 0o00 000000 me c NO ne c NO NC ONO Wf bat pt lt MALFRELAY LOWER UPPER ME MALE MALF UPPER ane FAULT LOWER ure GOGO 6 blie Lo LC MODEL 962 TEST ne c WO ne G NO NC C NO LT GA bd bs w wO TET u aO 4 Q000 MODEL 961 Figure 5 Figure 6 NC Malfunction relay Process relay s NO Process relay s Important Connect the unit to the ground for avoiding earth potential drifts Use the green internal grounding screw WIRING WITH CONDUITS Caution Observe all applicable electrical codes and proper wiring procedures 1 Make sure the power source is turned off 2 Unscrew and remove housing cover 3 Pull power supply and relay wires through the conduit connection 4 Connect power leads to proper terminals for AC power 102 to 265 V AC or for DC power 182. Fault is OFF MALF is ON in malfunction condition Fault is ON MALF is OFF SET UP AND FUNCTIONS Set up m High Low Level Failsafe selection In Hi position the relay will de energize report alarm when the transducer is wet In Lo position the relay will de energize report alarm when the transducer is dry Fault selection The model 961 is equipped with a malfunction relay separate from the 5A DPDT process relay The separate or joined opera tion of both relays can be selected in case of a malfunction only the malfunction relay will de energize The process relay will only de energize in case of a process alarm J in case of a malfunction both the malfunction relay and the process relay will de energize The model 962 is equipped with a malfunction relay separate from the two 5A SPDT process relays In case of a malfunction both the malfunction relay and the process relays will de energize The operation of the two process relays can be selected LC level control the two relays operate independent and will be de energized when the corresponding tranducer gap is immerged dry following Hi Lo setting PC pump control the two relays operate in a latched mode allowing to perform an automatic fill or drain pump control func tion in between the 2 transducer gaps Consult below tables for proper indication and function Time delay setting Turning the potentiometer clockwise will increa
3. 2 De energized De energized Energized Error LED indication Malfunction green Fault red OFF Normal operation ON Malfunction See troubleshooting for malfunction identification ON Normal operation OFF Malfunction See troubleshooting for malfunction identification Model 962 pump control PC Relay LED indication mememe High Level Failsafe Hi auto empty mode Low Level Failsafe Lo auto fill mode lt Hi High level failsafe Process relay Energized Lower LED Upper LED lt Lo Low level failsafe De energized lt Hi High level failsafe De energized lt Lo Low level failsafe Hi High level failsafe lt Lo Low level failsafe Hi High level failsafe lt Lo Low level failsafe Energized De energized Energized Energized De energized Error LED indication Malfunction OFF Normal operation ON Malfunction See troubleshooting for malfunction identification ON Normal operation OFF Malfunction See troubleshooting for malfunction identification Part No 4417901_Rev 0 Honeywell Enraf Instruction amp installation manual AlarmScout 961 962 line powered 5 MAINTENANCE Manual Testing T Level Test process relay s Pressing the Level Test pushbutton will manually test the process relays and connected actuators i
4. 32 V DC a AC Power Connect hot wire to terminal marked L1 and the neutral wire to the terminal marked L2 The green head screw should be used for grounding b DC Power Connect wires to terminals and on the terminal block The green head screw should be used for grounding 5 Connect desired relay wiring if applicable 6 Prevent moisture seepage into housing by installing an approved seal drain fitting in the conduit run leading to the unit 7 Wiring is complete Replace housing cover Caution In hazardous areas do not power the unit until the conduit is sealed and enclosure cover is screwed down securely Part No 4417901_Rev 0 Instruction amp installation manual AlarmScout 961 962 line powered 3 Honeywell Enraf USER INTERFACE Model 961 single gap Model 962 dual gap NC C NO NC C NO NC C NO L2 NC C NO NC C NO NC C NO L L be lt H be dH bo dH gt gt Lor lt H MALF RELAY TIME MALF RELAY LOWER UPPER TIME O O FAULT LOWER FAULT LEVEL Testing LEVEL Hi PC LEVEL Lo DE 96 TEST process Lol LC M EM 96 EVEL relay Testing Fault Wet Alarm Malfunction Fault Malfunction Lower gap Upper gap malfunction red yellow status green LED red green LED alarm alarm relay LED LED yellow LED yellow yellow LED LED i LED Figure 7 Figure 8 in normal operation
5. 2 089 7259 001 089 7258 002 089 7258 001 A Figure 9 N Part No 4417901_Rev 0 Instruction amp installation manual AlarmScout 961 962 line powered 7 Honeywell Enraf For More Information To learn more about Honeywell Enraf s solutions contact your Honeywell Enraf account manager or visit www honeywellenraf com Americas Honeywell Enraf Americas Inc 2000 Northfield Ct Roswell GA 30076 USA Phone 1 770 475 1900 Email enraf us honeywell com Europe Middle East and Africa Honeywell Enraf Delftechpark 39 2628 XJ Delft The Netherlands Phone 31 0 15 2701 100 Email enraf nl honeywell com Asia Pacific Honeywell Pte Ltd 17 Changi Business Park Central 1 Singapore 486073 Phone 65 6355 2828 Email enraf sg honeywell com Honeywell 4417901_Rev 0 APRIL 2012 2011 Honeywell International Inc Enraf
6. AlarmScout 961 962 Enraf line powered A Mi Sy 4 Al Installation operation amp service manual AlarmScout 961 962 line powered UNPACKING Unpack the instrument carefully Make sure all components have been removed from the foam protection Inspect all components for damage Report any concealed damage to the carrier within 24 hours Check the contents of the car ton crates against the packing slip and report any discrep ancies to Honeywell Enraf Check the nameplate model number to be sure it agrees with the packing slip and pur chase order Check and record the serial number for future Nameplate reference when ordering parts part number These units are in compliance with 1 The EMC directive 2004 108 EC The units have been tested to 0038 EN 61326 1997 A1 A2 0344 2 Directive 94 9 EC for equipment or protective system intended for use in potentially explosive atmospheres EC type examination cer tificate number ISSePO6ATEX008 flameproof enclosure Figure 1 3 The PED Directive 97 23 EC pressure equipment directive Safety accessories per category IV module H1 MOUNTING gt Filling line Pump control High alarm High high alarm High alarm Threaded Figure 3 Auto fill or empty pump control Pump protection Low alarm Welded flange Figure 4
7. lace electronics we 3 flashes The unit senses excessive noise interference Check shield connection or eliminate interference from a walkie talkie radio or other EMC source 6 Instruction amp installation manual AlarmScout 961 962 line powered Part No 4417901_Rev 0 Honeywell Enraf SPARE PARTS Replacing electronics transducer mamma The electronics can be exchanged in the field under process conditions Follow below steps to exchange electronics transducer Note Adjust set up of the replacing electronics following the settings of the old electronics see configuration section Check with customer and verify applicable site permits prior to start activities Disconnect power before removing the housing cover Remove power output wires a Click out the protection cap of the electronics b Remove the 2 bracket screws and slide out electronics c Remove the transducer wires see Wiring section d Re assemble following the same procedure in opposite way Make sure that the tip on the bracket of the electronic block is seated properly in the corresponding recess in the housing base e DIRON Spare parts 2 IIT HIIT HIT Digit in partn 5 e s See nameplate always provide complete partn and serial n when ordering spares 1 Housing cover consult factory 2 O ring 012 2201 237 4 Transducer consult factory 3 Electronic module ig Digits Sparepart 1 089 7259 00
8. ndicators The level test forces the relay s to change from a de energized to an energized status and vice versa The LED s will be ON OFF corre sponding see tables in the configuration section The time delay setting is not active during testing Malfunction Test malfunction relay Pressing the Malfunction Test pushbutton for min 2 s will manually test the malfunction relay and connected actua tors indicators The malfunction test simulates a circuit failure and forces all relays to de energize The MALF LED will turn OFF and the FAULT LED ON The time delay setting is not active during testing Troubleshooting Problem Action ndication Solution No output signal No LED s are ON Check wiring input power Check for malfunction Model 962 See below No change in output between Gap may be plugged by Clean the transducer wet gap dry gap solids dense foam Gap is out of reach of liquid Check mounting section on page 2 and relocate the unit or check blocking valves Chattering output Excessive aeration Turbulence Increase time delay Check input power Relocate the AlarmScout Fault LED is ON A system fault has been detected Check input power Check wiring between transducer and electronics or replace transducer Press LEVEL TEST test pushbutton to identify the problem 1 14 flash Check wiring between transducer and electronics or replace transducer 2 flashes Rep
9. se the time delay from 0 5 s to 45 s Time delay is typically used where turbu lence boiling or splashing can cause false level alarms 961 Relay LED Indication When WET wet LED OFF transducer gap is dry ON transducer gap is immerged When LEVEL level LED ON relay is energized OFF relay de energized Model 961 Relay LED indication Error LED indication Malfunction LEVEL LED relay yellow WET LED gap yellow Process relay Energized Hi High level failsafe De energized Energized lt Lo Low level failsafe De energized 4 Instruction amp installation manual AlarmScout 961 962 line powered OFF Normal operation ON Malfunction See troubleshooting for malfunction identification Part No ON Normal operation OFF Malfunction See troubleshooting for malfunction identification 4417901_Rev 0 Honeywell Enraf SET UP AND FUNCTIONS Model 962 as level control LC Relay LED indication su Relay 1 lower gap Relay 2 upper gap lt Hi High level failsafe Process relay 1 amp 2 Energized Lower LED Upper LED Lo Low level failsafe 1 amp 2 De energized lt Hi High level failsafe 1 De energized 2 Energized lt Lo Low level failsafe lt Hi High level failsafe lt Lo Low level failsafe 1 Energized
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