STATUS SCIENTIFIC CONTROLS FGD4, Installation, Commissioning & Routine Gas Testing Manual

Page: 5 / 33

STATUS SCIENTIFIC CONTROLS
Installation, Commissioning & Routine Gas Testing
FGD4 Gas Detector
TD19/001 Issue: 5 Change Note: 1869 Page 4
CONTENTS
1. PACKAGE CONTENTS ...................................................................... 6
2. SCOPE OF THE MANUAL .................................................................. 6
3. DESCRIPTION .................................................................................... 7
3.1. G
AS TYPES
................................................................................. 7
4. INSTALLATION .................................................................................. 8
4.1. C
ABLE ENTRIES
........................................................................... 8
4.2. FGD4
CONNECTIONS
................................................................... 8
4.3. W
IRING DETAILS
.......................................................................... 9
4.3.1. FGD4 Toxic current sink ...................................................................... 9
4.3.2. FGD4 Toxic current source .................................................................. 9
4.3.3. FGD4 Infrared current sink ................................................................. 10
4.3.4. FGD4 Infrared current source ............................................................ 10
5. COMMISSIONING ............................................................................. 11
5.1. A
PPLYING POWER
...................................................................... 11
6. INITIAL GAS TESTING ..................................................................... 12
6.1. Z
ERO GAS
................................................................................. 12
6.2. T
EST GAS
................................................................................. 14
6.2.1. Gas connection points ........................................................................ 14
6.2.2. Sampling time ..................................................................................... 14
6.2.3. Suggested calibration gas levels. ...................................................... 14
7. CALIBRATION .................................................................................. 15
7.1. S
ENSOR
Z
ERO
.......................................................................... 15
7.2. S
ENSOR
S
PAN
.......................................................................... 16
7.3. C
ALIBRATION
/ C
ONFIGURATION
K
EYPAD
..................................... 17
7.4. M
ENU
M
ODE
S
ELECTION
............................................................ 19
7.4.1. E : 1
– Sensor Zero ............................................................................ 20
7.4.2. E : 2
– Sensor Span ........................................................................... 20
7.4.3. E : 3
– Sensor Fsd .............................................................................. 20
7.4.4. E : 4
– Output Zero (4mA) .................................................................. 20
7.4.5. E : 5
– Output Span (20mA) ............................................................... 20
7.4.6. E : 8
– Factory restore ........................................................................ 21
7.4.7. E : 9
– Engineer diagnostics .............................................................. 21
7.4.8. E : 17
– Sensor gain ........................................................................... 22
7.4.9. E : 19
– Positive Zero Suppression .................................................... 23
7.4.10. E : 20
– Negative Zero Suppression .................................................. 23
7.4.11. E : 25
– Positive Zero Temperature Compensation .......................... 24
7.4.12. E : 34
– Positive Span Temperature Compensation ......................... 24
7.4.13. E : 35
– Negative Span Temperature Compensation ........................ 24
7.4.14. E : 36
– Positive Zero Temperature Compensation .......................... 24
7.4.15. E : 77
– Firmware Version .................................................................. 24
8. CALIBRATION .................................................................................. 25
8.1. S
ENSOR
C
ALIBRATION
............................................................... 25
8.1.1. Sensor Zero ........................................................................................ 25
8.1.2. Sensor Span ....................................................................................... 26