ENMET ISA-40M - Manual (Page 2)

Table of Contents
1.0 I NTRODUCTION ........................................................................................................1
1.1 Unpack................................................................................................................................................. 1
1.2 Check Order....................................................................................................................................... 1
1.3 Serial Numbers................................................................................................................................... 1
2.0 F EATURES ..............................................................................................................2
3.0 I NSTALLATION ........................................................................................................3
3.1 Control Unit Mounting and Power Hook-up ................................................................................ 3
3.1.1 Converting to 220 Vac Power .............................................................................................4
3.2 Oxygen Cell Installation................................................................................................................... 5
3.2.1 Oxygen Cell Installation Inside of Control Unit ..............................................................5
3.2.2 Remote Sensor Assembly Wiring.........................................................................................6
3.2.2 Oxygen Cell Installation for Remote Sensors ...................................................................7
3.2.3 Oxygen Gain Adjustment ......................................................................................................7
3.2.4 Circuit board Removal .........................................................................................................7
3.3 Relay Outputs..................................................................................................................................... 8
3.3.1 Non-Latching Relays.............................................................................................................9
3.3.2 Latching Relays......................................................................................................................9
4.0 O PERATION .......................................................................................................... 10
4.1 Rough Test........................................................................................................................................ 10
4.2 Precautions Regarding the Cell..................................................................................................... 10
4.3 Atmospheric Pressure Variations.................................................................................................. 10
4.4 Temperature Variations.................................................................................................................. 10
5.0 M AINTENANCE ...................................................................................................... 11
5.1 Cell Aging......................................................................................................................................... 11
5.2 Cell End-of-Life............................................................................................................................... 11
5.3 Circuit Alignment ............................................................................................................................ 11
5.4 Circuit Breakers / Fuse................................................................................................................... 13
6.0 ISA-40M S PECIFICATIONS ..................................................................................... 14
7.0 S ERVICE I NFORMATION .......................................................................................... 14
7.1 Replacement Part Numbers ........................................................................................................... 14
7.2 Return for Repair............................................................................................................................. 15
8.0 WARRANTY....................................................................................................... 16
List of Illustrations
F IGURE 1: ISA-40M C ONTROL U NIT E XTERIOR .............................................................................2
F IGURE 2: M OUNTING D IMENSIONS ..............................................................................................3
T ABLE 1: P OWER S UPPLY W IRING ..............................................................................................3
F IGURE 3: O XYGEN C ELL I NSTALLATION ......................................................................................5
T ABLE 2: R EMOTE S ENSOR A SSEMBLY W IRING ............................................................................6
F IGURE 4: I NTERIOR V IEW OF S ENSOR A SSEMBLY .........................................................................6
F IGURE 5: R EMOTE S ENSOR O XYGEN C ELL I NSTALLATION (O PTIONAL )............................................7
F IGURE 6: U TILIZING THE R ELAY CONTACTS .................................................................................8
T ABLE 3: N ON -L ATCHING R ELAY W IRING .....................................................................................9
T ABLE 4: L ATCHING R ELAY W IRING ............................................................................................9
F IGURE 7: L OCATION OF C IRCUIT B OARDS , T EST POINTS AND P OTENTIOMETERS ............................. 11