HomeMy WebLinkAboutE9L1 N
REMOTE EMERGENCY SHUT-OFF
ACTIVATED ALARM LIGHT (TANK FARM)
RTU-1 CONTROL SCHEDULE
INPUTS
CONTROL
FUNCTION
DIi
MTU (Kt)
OPEN VALVE A=1 &START/STOP DISTRIBUTION PUMP DP-1
DI2
SPARE
DI3
SPARE
DI4
SPARE
OUTPUTS
K1
MTU (DI 1)
BULK TANK FARM EM STOP ACTIVATED
K2
MTU (DI2)
DP-1 RUNNING LIGHT
K3
SPARE
K4
SPARE
UVEC INTERMEDIATE TANK:
USER TURNS ON THE SELECTOR SWITCH AT THE INTERMEDIATE TANK CONTROL
PANEL `CP-2' LOCATED AT THE INTERMEDIATE TANK AND 'CP-1' LOCATED AT
THE BULK TANK FARM TO TRANSFER FUEL.
USER PRESSES THE PUMP START BUTTON AT CONTROL PANEL `CP-2'. A
SIGNAL IS SENT TO OPEN ACTUATED BALL VALVE 'A-1' VIA RTU-1. AS SOON AS
THE VALVE BEGINS TO OPEN, A "VALVE OPEN" LIGHT IS ILLUMINATED ON 'CP-11
.
WHEN THE ACTUATED BALL. VALVE IS FULLY OPENED, A SIGNAL IS SENT TO TURN
THE DISTRIBUTION PUMP `DP-1' ON, AND A "PUMP ON" LIGHT IS ILLUMINATED
ON `CP-2' AND `CP-1' VIA `RTU-1'. THIS SHALL ALLOW FUEL TO FLOW FROM
ONE OF THE MANUALLY SELECTED BULK TANKS TO THE INTERMEDIATE TANK_ TIMER
`T-1' IS ENABLED TO ALLOW THE PUMP TO BE OPERATIONAL FOR AN ADJUSTABLE
0-16 HOURS, INITIALLY SET AT 7.5 HR_
USER PRESSES PUMP STOP BUTTON AT CONTROL PANEL `CP-2', CAUSING THE
ACTUATED BALL VALVE AT THE BULK TANK FARM (A-1) TO CLOSE AND THE
DISTRIBUTION PUMP TO STOP AT THE BULK TANK FARM VIA THE TELEMETRY
PANEL `RTU-1'. A LIGHT SHALL BE ILLUMINATED AT CONTROL PANEL 'CP-1'
WHEN THE ACTUATED BALL VALVE IS FULLY CLOSED. THE PUMP
"ON" LIGHTS SHALL BE TURNED OFF AT BOTH CONTROL PANELS `CP-2' AND
'CP-1' VIA `RTU-1'.
IN THE EVENT THAT THE INTERMEDIATE TANKS HIGH LEVEL SWITCH IS
ACTIVATED, IT DOES THE SAME FUNCTION AS THE "STOP" BUTTON, PLUS A
LIGHT SHALL BE ACTIVATED AT CONTROL PANEL `CP-2' INDICATING A
HIGH FUEL LEVEL IN THE INTERMEDIATE TANK. ONCE THE HIGH FUEL
LEVEL IS CLEARED, THE RESET BUTTON SHALL BE PRESSED TO CLEAR THE
FAULT.
IF THE CRITICAL HIGH SWITCH IS ACTIVATED, IT DOES THE SAME
FUNCTION AS THE HIGH LEVEL SWITCH, PLUS IT ACTIVATES A CRITICAL
LEVEL LIGHT AND A HORN STROBE LOCATED ABOVE 'CP-2'
IF THE ALARM "SILENCE" BUTTON IS PRESSED, THE ALARM HORN IS DEACTIVATED
(THE STROBE STAYS ENERGIZED)_ ONCE THE FAULT IS CLEARED AND THE RESET
BUTTON IS PRESSED, THE HORN SIGNAL RETURNS TO ITS PREVIOUS STATE.
a
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•
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IF THE EMERGENCY PUSHBUTTON 'EM-3' IS ACTIVATED AT THE BULK TANK o
r H-3 INTERMEDIATE TANK FARM, IT DOES THE SAME FUNCTION AS THE "STOP" BUTTON, PLUS ALL � N
R1 HIGH LEVEL LOCKOUT RELAY CONTROL POWER IS SHUT DOWN AT THE CONTROL PANEL CP-1 WITH THE J � C.? W
_ EXCEPTION OF THE HEATER, EM LOCKOUT RELAY, EXTERIOR LIGHT AND MTU_
IN THE EVENT THAT THE ACTUATED BALL VALVE IS OPEN WHEN THE Zst
INTERMEDIATE TANK o
FIELD + t i -- HIGH/CRITICAL HIGH 2_2 A z 2
FLOAT SWITCH, TYP. E-STOP IS PRESSED, A SIGNAL SHALL BE SENT FOR THE VALVE TO CLOSE.
JUMPER, i + HIGH LEVEL LIGHT W
i f C-3 ► ONCE THE VALVE IS FULLY CLOSED, ALL POWER SHALL BE DEACTIVATED AT 0
to
TYPICAL. + 11 R2 INTERMEDIATE TANK THE ACTUATED BALL VALVE. A LIGHT IS ALSO ACTIVATED AT CONTROL PANEL w z N
+ CRITICAL LEVEL LOCKOUT RELAY `CP-1' AND CONTROL PANEL `CP-2' VIA THE TELEMETRY PANEL.
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R4-1 R1 _2 ` R' INTERMEDIATE TANK TO RESET THE SYSTEM, THE EM STOP MUSHROOM BUTTON 'EM-3' MUST BE (!} z Q
If/CRITICAL LEVEL LIGHT REMOTE CIRCUIT BREAKER IN POWER PLANT PULLED BACK OUT WHICH WILL AUTOMATICALLY RESET THE SYSTEM BACK TO 0 w"
SEE 1 /E6. NORMAL_ Q o
MASTER POWER + + • � 0: Q
1 �� +T T+ EQUIPMENT GROUNDING CONDUCTOR
2 SS1wo
SWITCH i � AND NEUTRAL.
_ v•
c J N
START STOP _ i i LLI o
�^ R1 1 R2-1 T1-1 J z�
Qo
--� R3 OPEN VALVE SIGNAL RELAY U m
R3-1 FIELD ADJUST TO ALLOW NORMAL TANK FILL LABEL BREAKER AS:
40 T1 0-16 HR "ON" TIME DELAY RELAY "MAIN DISCONNECT. N
Tm
.. QU
SET AT 7.5 HRS, TURN OFF BEFORE V1920 2 DISCONNECT 0 N
- - - - - - � r - _ SERVICING PANEL".WN
4 4 /
1 32N
ItYf u i it n.7 II9u�t�n{ cu, 1 1 F.
DI
o 0 OPEN VALVE `A-1' AND START/STOP
_ _RTU _1_ _ DISTRIBUTION PUMP `DP-1'
INPUT TO RTU
NO SCALE
DIESEL DISTRIBUTION PUMP 'DP-1'
"ON" LIGHT
FUEL SYSTEM "ON" LIGHT
INTERMEDIATE TANK CRITICAL
HIGH LEVEL HORN/STROBE
FLOAT RESET RELAY
HIGH LEVEL ALARM SILENCE
RELAY
SS-1 THRU SS-2
CONTACTS
POSITION
N
OFF
X - INDICATES CONTACT
CLOSED
NO SCALE
I
20/1-
SS2
1„ 11 -2
15/1
15/1 SPARE
15/1
r-----------------i
THERMOSTATIC HEATER i
SWITCH
10 1 + FAN N
15/1
1 1-�' CONTROL CIRCUIT
SEE 1 /E9.
CONTROL PANEL ENCLOSURE
0 a i 9 1
as '1 0
PHOTOCELL
EXTERIOR LIGHT
REMOTE
TELEMETRY
UNIT
'RTU-1'
POWER PLAINTERMEDIATE
CONTROL PANEL•
PANELFUEL EM STOP
SYSTEM
SWITCH TANK
O
1'
DIESEL PIPELINE
DISTRIBUTION
DP
STARTO-
ON
INTERMEDIATE
iHIGH LEVEL - IT. LEVEL RESET
SILENCE
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DRAWN BY: CPL
CHECKED BY: CPL
DATE: 11 / 18/05
JOB NUMBER: K4193
SCALE: AS SHOWN
DRAWING TITLE:
CONTROL PANEL 'CP-2$
SCHEMATIC DIAGRAMS
AND DETAILS
SHEET: OF