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Operating Instructions
SILAS
Controller for Zones 2 and 22
Version 2.00
Page 2 of 28
SILAS_E_110806.doc Operating Instructions for the SILAS Controller
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Technical data are subject to change
Table of Contents
1.
System Components .................................................................................................................................. 3
2.
Information on the Operating Instructions............................................................................................... 4
3.
Warranty ...................................................................................................................................................... 5
4.
Instructions on the Installation of the SILAS Controllers ....................................................................... 6
4.1
Safety Instructions ....................................................................................................................... 6
4.2
Maintenance ................................................................................................................................ 6
4.2.1
Servicing ...................................................................................................................................... 6
4.2.2
Inspection .................................................................................................................................... 6
4.3
General Data................................................................................................................................ 7
4.3.1
Installation Guidelines.................................................................................................................. 7
5.
Description of the System.......................................................................................................................... 8
5.1
Use in Ex Zone 2 ......................................................................................................................... 8
5.2
Use in Ex zone 22........................................................................................................................ 9
6.
Assembly................................................................................................................................................... 10
7.
Technical Data for the SILAS System Components .............................................................................. 11
7.1
SILAS Controller ........................................................................................................................ 11
7.2
SILAS Pressure Control Device................................................................................................. 13
7.3
SILAS Purge Valve including Leakage Needle Valve ................................................................ 14
7.3.1
Performance Data:..................................................................................................................... 14
7.3.2
Assembly: .................................................................................................................................. 14
7.3.3
Commissioning .......................................................................................................................... 14
7.3.4
Adjustment of the Leakage Needle Valve .................................................................................. 15
7.4
Pressure Reducer ¼” and Leakage Needle Valve ..................................................................... 16
7.5
Assembly Set for the Internal Fitting of the
SILAS
Controller .................................................. 17
8.
Circuit Diagram ......................................................................................................................................... 18
8.1
Circuit Diagram .......................................................................................................................... 18
8.2
Changing the SI 1 Fuse for the Purge Valve.............................................................................. 18
9.
Parameter Settings ................................................................................................................................... 19
9.1
S 1 Rotary Switch ...................................................................................................................... 19
9.2
S 2 Rotary Switch ...................................................................................................................... 20
10.
Relay Connection ..................................................................................................................................... 22
10.1
K1 Relay .................................................................................................................................... 22
10.2
K2 Relay .................................................................................................................................... 22
10.3
K3 Relay .................................................................................................................................... 22
11.
Bypass Bridge........................................................................................................................................... 23
12.
Purging Time Calculation ........................................................................................................................ 24
13.
Malfunctioning .......................................................................................................................................... 25
14.
Order Numbers ......................................................................................................................................... 28
Annex
Declaration of EC Conformity