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General Monitors 4802A manual available for free PDF download: Instruction Manual
General Monitors 4802A Instruction Manual (75 pages)
Zero Two Series Control Module For Combustible Gas Applications
Brand:
General Monitors
| Category:
Control Unit
| Size: 6 MB
Table of Contents
Warnings
2
E C Declaration of Conformity in Accordance with EC & ATEX Directives
3
System Integrity Verification
4
1 Quick-Start Guide
6
Sensor Poisons
6
Table of Contents
16
Features & Benefits
23
3 Installation
24
Upon Receipt of Equipment
24
Control Module Installation
24
Figure 19 - Control Module Coding Strip
24
Rear Terminal Connections
25
Figure 20 - Wire Strip Length
25
A2 Alarm
26
Figure 21 - Rear Terminal Designations
26
Figure 22 - Terminal Designations for A2 Alarm Outputs
26
Figure 23 - A2 Alarm Relay Contacts
26
A1 Alarm
27
Fault Alarm
27
Figure 24 - Terminal Designations for A1 Alarm Outputs
27
Figure 25 - A1 Alarm Relay Contacts
27
Figure 26 - Terminal Designations for Fault Outputs
27
Figure 27 - Recommended Relay Protection Circuits
28
Figure 28 - Terminal Designations for Unaccept and Calibration/Inhibit Mode
28
Other Open Collector Outputs
28
Sensor Connections
29
Figure 29 - Open Collector External Circuits
29
Figure 30 - Terminal Designations for Sensor Wires
29
Card Test Switch
30
Figure 31 - Sensor/Controller Connections
30
Figure 32 - Terminal Designation for Card Test Input
30
Figure 33 - Switch Connections for Card Test Feature
30
Figure 34 - Terminal Designations for Analog Output
31
Figure 35 - Analog Signal Connections
31
Figure 36 - Power Connections
31
Applying Power
32
Sensor Location Considerations
32
General Sensor Location Considerations
32
Sensor Poisons
32
Installation Instructions for the Sensor
33
4 Operation
35
General Maintenance
35
Electrical Inputs
35
Electrical Outputs
35
Figure 37 - Rear Terminal Relay Contacts
35
Accepting Alarm Conditions
36
Resetting Latched Alarms
37
CAL/INH Open Collector
37
Card Test Feature
38
Fault Diagnostics
38
F1- Open Analog Output Signal
38
F2 - Failed to Complete Calibration
38
F3 - Software Checksum Error
38
F4 - Sensor Connections Are Open or Short-Circuited or There Is Excessive Zero Drift
38
F5 - Not Used at this Time
38
F6 - Low Supply Voltage
38
F7 - EEPROM Verification Failure
38
F8 - Failed to Complete Setup
39
F9 - Calibration Check Period Exceeded
39
5 User Interfaces
40
Types of User Interfaces
40
Figure 38 - Front Panel Display
40
Calibration Check Mode
41
Figure 39 - Portable Purge Calibrator
41
Figure 40 - Entering CAL Check Mode
41
Calibration Mode
43
Figure 41 - Portable Purge Calibrator
43
Figure 42 - Entering CAL Mode
43
Figure 43 - AC Display During CAL Mode
44
Figure 44 - CP Display During CAL Mode
44
Figure 45 - CC Display During CAL Mode
45
Figure 46 - F7 Display During CAL Mode
45
Setup & Setup Check Modes
46
Entering the Password
47
Figure 47 - Entering Setup and Setup Check Modes
47
Inhibit Mode
48
Figure 48 - Entering the Password
48
Figure 49 - Entering Inhibit Mode
48
A2 Alarm Options
49
Figure 50 - A2 Energized/De-Energized Alarm Option
49
Figure 51 - A2 Latching/Non-Latching Alarm Option
49
Figure 52 - A2 Alarm Set Point Option
50
A1 Alarm Options
51
Figure 53 - A1 Energized-De-Energized Alarm Option
51
Figure 54 - A1 Latching/Non-Latching Alarm Option
51
Calibration Level Option
52
Figure 55 - A1 Set Point Option
52
Figure 56 - Calibration Level
52
Fault/Inhibit Option
53
Figure 57 - Fault / Inhibit Option
53
Figure 58 - Entering Card Test Options
53
Figure 59 - Card Test Ramp Time
54
Figure 60 - Alarm Output During a Card Test
54
Figure 61 - Password Enabled/Disabled Option
55
Inhibit Mode
56
Figure 62 - Entering a New Password
56
Password Option
57
Setup Check Mode
57
Card Test
57
Setup Mode Selection Block Diagram
57
6 Appendix
58
Principle of Operation
58
Figure 63 - Catalytic Sensor Diagram
58
Spare Parts and Accessories
59
Sensors
59
Sensor Housing
60
Figure 64 - Universal Sensor Housing with Sensor and Splash-Guard
60
Splash-Guard & TGA-1
61
Dust Guard Assembly
61
Figure 66 - Splash-Guard Picture
61
Figure 67 - Dust Guard Picture
61
Duct Mounting Plates
62
Figure 68 - Dust Guard Assembly Kit Picture
62
Figure 69 - Duct Mounting Plate, Assembly Drawing
62
Calibration Equipment
63
Figure 70 - Portable Purge Calibrator
63
Figure 71 - 3-Liter Chamber
63
Calibration Check Mode
64
Calibration Mode
64
Calibration Check & Calibration Modes
64
Calibration Equipment and Part Numbers
65
Portable Purge Calibrator Assembly
65
Portable Purge Replacement Cylinder
65
Replacement Parts
65
Cylinder Refills
65
3-Liter Chamber Replacement Parts
65
Applications
66
System Specifications
66
Application
66
Sensor Type
66
Typical Sensor Life
66
Measuring Range
66
Converting Test and Calibration Gas Concentrations for % LFL to % LEL
66
Accuracy
66
Relative Sensitivities
66
Zero Drift
66
Stability
67
Response Time
67
Warm-Up Time
67
Poisons and Interfering Gases
67
Approvals
67
Storage
67
Warranty
67
Mechanical Specifications
67
Electrical Specifications
68
Input Power Requirement
68
Electrical Classification
68
Relay Contact Rating
68
Open Collector Rating
68
Cable Parameters
68
Figure 72 - Recommended Maximum Cable Lengths between Module & Sensor
68
Figure 73 - Maximum Allowable Cable Lengths between Analog Output Connections on Control Module
68
Environmental Specifications
69
Operating Temperature Range
69
Storage Temperature Range
69
Pressure Limits
69
Operating Humidity Range
69
Engineering Specifications
70
Zero Two System
70
4802A Control Module
70
Volatile Liquids and Solvents
72
Figure 18 - Model 4802A
72
Engineering & Technical Drawings
73
Outline & Terminal Connections
73
Figure 74 - Outline and Terminal Connections 4802A
73
Final Assembly
74
Figure 75 - Final Assembly, 4802A
74
Zero Two Series Modules
75
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