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DOCUMENT NO: Sl483005 RPT
ISSUE: A DATE: 05.03.13 -
PAGE 15OF 19
P
&
I Design Lid
2 Reed Street, Thornaby, UK, TSI7 7AF
Tel:
+
44 (0)1642 617444
Fax:
+
44 (0)1642616447
www.pidesign.co.uk3.
Tank 568 R410.
2.
Tank 564 R330.
1.
Tank 561 R250.
Result
4.2.7.1 Simulate level switch probe healthy by connecting an E&H Liquiphant
level probe as Specification SI277001_SPC to incoming terminals. Ensure the
probe tip is not covered and the internal switch unit is set to max/>O.7.
4.2.7.2 Simulate all valve limit switch feedback as valve closed by applying a
link to incoming terminals.
4.2.7.3 Momentary depress reset pushbutton, confirm all safety relays energise.
4.2.7.4 Confirm safety relay BPCS status on outgoing terminals, closed circuit
whilst safety relay energised, open circuit whilst safety relay de-energised.
4.2.7.5 Confirm safety relay lamp extinguished whilst relay energised,
illuminated whilst relay de-energised, confirm safety relay lamp illuminates whist
lamp test pushbutton depressed and relay energised.
4.2.7.6 Simulate a high level by immersing probe tip. Confmn safety relay de–
energises.
4.2.7.7 Simulate level switch probe healthy by uncovering the probe tip.
Confirm safety relay remains de-energised.
4.2.7.8 Simulate associated valve limit switch' feedback as valve not closed by
removing link applied to incoming terminals.
4.2.7.9 Momentary depress reset pushbutton, confirm safety relays remains de–
energised.
4.2.7.10 Simulate associated valve limit switch feedback as valve closed by
applying a link to incoming terminals.
4.2.7.11 Momentary depress reset pushbutton, conftrm safety relay energised.
4.2.7.12 Remove and replace associated fuse for each safety relay, confirm relay
np...p.np.rvd"f·n
whilst removed.
4.2.7 SAFETY RELAY
Immingham Storage Co Ltd - Immingham East Terminal
- No4 Switchroom Tank Overfill
Safety Instrument
System
Logic Panel
Factorv Acceptance Test Procedure