HomeMy WebLinkAboutE12MASTER POWER 1
SWITCH_ 2
I
i
NO SCALE
R4-1 R 1-2 OL
R5-1 R2-2 OL
CONNECT TO DIESEL PUMP
START/STOP TERMINAL BLOCKS
IN DISPENSER
CONNECT TO GASOLINE PUMP
START/STOP TERMINAL BLOCKS
IN DISPENSER
'' I I
L - - - - J
DISPENSER D-1
TERMINAL BLOCK
SS-1 THRU SS-2
CONTACTS
POSITION
N
OFF
1-2
x
- INDICATES CONTACT
CLOSED
KJ—t
M1
M2
z
EMERGENCY SHUTOFF
LOCKOUT RELAY
LOCAL EMERGENCY SHUT OFF
ACTIVATED ALARM LIGHT, TYP.
FUEL SYSTEM "ON" LIGHT
DIESEL DISPENSING TANK
LOW LEVEL LIGHT
DIESEL DISPENSING TANK
LOW LEVEL LIGHT
GASOLINE DISPENSING TANK
LOW LEVEL LIGHT
GASOLINE DISPENSING TANK
LOW LEVEL LIGHT
GASOLINE AND DIESEL DISPENSER
CONTROL POWER RELAY
DIESEL SUBMERSIBLE PUMP SP-1
R4 PUMP SP-1 START/STOP RELAY
FROM DIESEL DISPENSER
R5 PUMP SP-2 START/STOP RELAY
FROM GASOLINE DISPENSER
LABEL BREAKER AS:
"MAIN DISCONNECT.
REMOTE CIRCUIT BREAKER IN WATER PLANT
F _ _ SEE 1 /E7 FOR SIZE/TYPE.
EQUIPMENT GROUNDING CONDUCTOR AND
NEUTRAL
TO GROUNDING ELECTRODE, SEE 1 /E7_
N
_(_a
30/2
Q
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NO SCALE
�,....� 1 SS2 2
20/1 I o
T
ll_ `
20/1
N
15/1
15/t SPARE
15/t
R3-3
20/1 I F_1
R3-4
N--d [-
THERMOSTATIC HEATER
SWITCH
� p j �� FAN N
15/1 ? CONTROL CIRCUIT
�.T..� M1-1 OL (2)
M1-2
15/2 F
M2-1 OL (2)
i
M2-2
15 2
11---9 r
CONTROL PANEL ENCLOSURE ----/
SECURITY AREA LIGHT
WP, GFCI RECEPTACLE
LTS
CD MODULE
N
3/4h DIESEL DISPENSING
— SUBMERSIBLE
PUMP SP-1
3/4h GASOLINE DISPENSING
_ SUBMERSIBLE
- PUMP SP-2
SEQUENCE OF OPERATIONS
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IN=
W
GASOLINE/DIESEL DISPENSER:
FIRST, THE FUEL SYSTEM ON/OFF LOCKABLE SELECTOR SWITCH MUST BE TURNED
"ON" 'CP-7'
'Q
AT CONTROL PANEL FOR ALL CONTROL FUNCTIONS TO OPERATE.
0
AFTER THE FUEL DISPENSER IS ENABLED, THE USER CAN DISPENSE GASOLINE
0
OR DIESEL FUEL BY LIFTING THE RESPECTIVE HANG-UP SWITCH AT THE
3:
cL
DISPENSER AND DEPRESSING THE TRIGGER ON THE FUEL NOZZLE. THIS WILL
'SP-2'
cL
START THE SUBMERSIBLE PUMP ('SP-1' FOR DIESEL, AND FOR
GASOLINE). THIS WILL ALLOW FUEL TO FLOW FROM THE GASOLINE OR DIESEL
J
j PORTION OF DISPENSING TANK TO THE DISPENSER. WHEN FINISHED, THE
WQ
TRIGGER IS RELEASED, THE HANG UP SWITCH RESET, WHICH SHUTS OFF THE
RESPECTIVE PUMP ('SP-1' OR 'SP-2').
D
IN THE EVENT THAT THE LOW LEVEL SWITCH IN THE RESPECTIVE FUEL TANK IS
>m
LL
ACTIVATED, IT SHUTS DOWN SUBMERSIBLE PUMP 'SP-1' (L-1 ), OR 'SP-2' (L-2),
PLUS A LIGHT SHALL BE ACTIVATED AT THE CONTROL PANEL INDICATING A LOW
FUEL LEVEL IN THE RESPECTIVE DISPENSING TANK. ONCE THE LOW FUEL LEVEL
IS CLEARED, THE RESET BUTTON SHALL BE PRESSED TO CLEAR THE FAULT.
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In
IF THE EMERGENCY PUSHBUTTON `EM-4' (LOCATED AT THE DISPENSER)
OR 'EM-5' (LOCATED MIN 25'-0" FROM THE DISPENSER) IS ACTIVATED,
'CP-7'
W
IT SHUTS DOWN CONTROL POWER AT THE CONTROL PANEL WITH THE
L i
EXCEPTION OF THE EM LOCKOUT RELAY, HEATER, AND SECURITY LIGHTING.
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THE EM STOPS SHALL ALSO DISCONNECT ALL POWER CONDUCTORS FEEDING
J
THE DISPENSER ENCLOSURE (INCLUDING THE NEUTRAL CONDUCTOR).
Q
TO RESET THE SYSTEM, EM STOP MUSHROOM BUTTONS EM-4 & EM-5 MUST BE
PULLED BACK OUT WHICH WILL AUTOMATICALLY RESET THE SYSTEM BACK TO NORMAL.
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J
'Q
'Q
Z
J
M
CITY FUEL DISPENSING CONTROL PANEL
DISPENSER CP-7
ENCLOSURE
LIGHT SWITCH FUEL LIGHTING
SYSTEM
DISPENSER OFF ON ON OFF ON
ENCLOSURE LOCKABLE
LIGHTS SWITCH 0 (z)
DISPENSER
EM STOP
ACTIVATED
R
NO SCALE
GASOLINE DIESEL
TANK TANK
LOW LEVEL RESET LOW LEVEL RESET
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DRAWN BY: CPL, NVL
CHECKED BY: CPL
DATE: 11 / 18/05
JOB NUMBER: K4193
SCALE: AS SHOWN
DRAWING TITLE:
CITY DISPENSING CONTROI
PANEL 'CP-7' SCHEMATIC
DIAGRAMS AND DETAILS
SHEET: OF
E12