Enmet ISA-44-2OD Manual do Utilizador

ENMETENMET CorporationPO Box 979Ann Arbor, MI 48106-097980003-007Revised June 1992MCN-122; 09/01/92MCN-204; 01/29/01MCN-295; 09/04/03ISA-44-2-ODOPERAT

ENMET Corporation ISA-44-2-OD6Figure 4: Circuitry PCB 3 Channel 3RelayK4RelayK5TP1 RedTP2 BlackR37R3R1R4R2TB4TB6TB5ChassisGround115 VACHIGH115 VACLOWN

ISA-44-2-OD ENMET Corporation73.0 Installation3.0 InstallationThe ISA-44-2-OD is completely oiltight and watertight. Use the correct watertight fitti

ENMET Corporation ISA-44-2-OD83.2 Sensor LocationGases have different densities. Some are heavier than air and concentrate at the bottom of a space.

ISA-44-2-OD ENMET Corporation93.3 Sensor Hook-upThe oxygen cell comes packaged in a sealed vapor proof bag. The cell needs to be installed in the rem

ENMET Corporation ISA-44-2-OD10Relay Hook-upSee Figure 8 for an example of how to use the relay contacts.Table 5: Relay FunctionRelayChannel functionK

ISA-44-2-OD ENMET Corporation113.4 Sensor Heater VoltageHeating the sensor promotes the oxidation reaction on the element surface. The temperature to

ENMET Corporation ISA-44-2-OD124.0 Operation4.0 OperationMount and install the ISA-44-2-OD electronics unit and sensors as outlined in the previous Se

ISA-44-2-OD ENMET Corporation134.4 Rough TestTo see that the instrument is capable of alarming, at a quick glance. Do not substitute this procedure f

ENMET Corporation ISA-44-2-OD145.0 Maintenance5.0 MaintenanceThe ISA-44-2-OD hazardous gas and oxygen deficiency monitor is a safety instrument and re

ISA-44-2-OD ENMET Corporation157. Put the cal cup of the calibration fixture over the sensor. Let the gas flow over the sensor until the alarm trigg

ENMET Corporation ISA-44-2-OD165.2 Calibration5.2.1 Toxic Gas Channel # 1The following procedure is for checking the calibration level and for recalib

ISA-44-2-OD ENMET Corporation17NOTE: If amber light is on prior to POT adjustment, adjust this POT CW until light is off, then readjust CCW until

ENMET Corporation ISA-44-2-OD185.2.2 Oxygen Channel # 2This procedure is given in reference to an S-2 cell, which is ENMET P/N 67013-008 as furnished

ISA-44-2-OD ENMET Corporation195.2.3 Combustible Gas Channel # 31. Wait 8 - 10 minutes for the sensor to recover from the test.2. Repeat steps 3 - 7

ENMET Corporation ISA-44-2-OD205.3 Replacement of SensorsGas SensorsThe MOS sensor is durable, it can be purged of contaminants by operating in PURGE

ISA-44-2-OD ENMET Corporation215.4 Trouble ShootingSymptom Problem/CorrectionWhen first plugged in, the unit alarms forup to 10 - 20 minutes.If the un

ENMET Corporation ISA-44-2-OD226.0 Replacement Part Numbers6.0 Replacement Part NumbersENMET replacement part numbers:Description Part NumberExplosion

ISA-44-2-OD ENMET Corporation238.0 WARRANTY8.0 WARRANTYENMET warrants new instruments to be free from defects in workmanship and material under normal

ENMET Corporation ISA-44-2-OD24Notes:

PO Box 979680 Fairfield CourtAnn Arbor, Michigan 48106-0979734.761.1270 Fax 734.761.3220Returning an Instrument for RepairENMET instruments may be ret

Table of Contents1.0 INTRODUCTION...

Repair Return FormMailing Address:ENMET CorporationPO Box 979Ann Arbor, Michigan 48106Phone Number: 734.761.1270FAX Number: 734.761.3220Shipping Addr

ISA-44-2-OD ENMET Corporation11.0 Introduction1.0 IntroductionENMET model ISA-44-2-OD is an all solid-state electronic gas detection system that minim

ENMET Corporation ISA-44-2-OD22.0 Features and Controls of the 2.0 Features and Controls of the ISA-44-2-ODHow the ISA-44-2-OD WorksThe ISA-44-2-OD us

ISA-44-2-OD ENMET Corporation32.2 External FeaturesSee Figure 1 for the outside front panel of the instrument:Feature DescriptionPower Indictor(Green

ENMET Corporation ISA-44-2-OD42.3 Internal Circuitry of the ISA-44-2-ODSee Figure 2, 3 and 4 for interior location of ISA-44-2-OD circuit boards, term

ISA-44-2-OD ENMET Corporation5Figure 3: Circuitry PC1 Channels 1 and 2R48TP3 RedR52R19R46R44RelayK3RelayK1RelayK2TP5 RedTP4 BlackR3R1R4R2TP1 RedTP2 Re