c-a water group alarm manual · c-a water group alarm manual node: rpc 7 alarm code 816.0 restore...

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C-A WATER GROUP ALARM MANUAL NODE: RPC 7 ALARM CODE 816.0

RESTORE 816.1 LOCATION: BLDG. 1006 SYSTEM: STAR COMMON ALARM

(COMNALRM.STAR) ACTION: DETERMINE WHICH SIGNAL IS IN ALARM AND TURN TO

ALARM RESPONSE SHEET FROM LIST BELOW NODE SIGNAL NAME DESCRIPTION PAGE NO.RPC 7 STARTEMP.SUP Star Magnet Water Supply Temp. 816.0-1RPC 7 STARPRES.SUP Star Magnet Water Supply Press 816.0-2 RPC 7 STARLVL Star Magnet Water Level 816.0-3 RPC 7 STARFLO Star Magnet Water Flow 816.0-4 RPC 7 STARRESIS Star Magnet Water Resistivity 816.0-5 RPC 7 STARO2 Star Magnet O2 Level 816.0-6 RPC 7 LOAIR.ALRM Low Compressed Air 816.0-7 RPC 7 STARMKUP.CNT Star Water High Mkup 816.0-8 RPC 7 STARpH Star Magnet Water pH 816.0-9 RPC 7 TESTNK.LVL Star Magnet Water Test Tank Level 816.0-10 NOTE: IF ALARM IS INTERMITTENT, CHECK MKUP

DISPLAY & TREND FOR WATER LOSS

Mar. 2002

816.0-1

ALARM RESPONSE SHEET - STAR

SIGNAL NAME DESCRIPTION ALARM LIMITS STARTEMP.SUP Star Mag Water Supply Temp. (HiHi/Hi/Lo)

(≤85-f = normal) 95/85/65°F ACTION: 1. Verify temp is outside limits.

2. If temp. is >85f, notify STAR shift leader on ext. 4242 that they should monitor temperature and the STAR cooling system for possible automatic shutdown if temp. reaches 95f.

3. Check that MANUAL/AUTO Switch for Star Magnet Temp. Control Valve (TCV)

is in Auto position. a) If not, place in AUTO and observe temp.

4. Verify that tower water temp is within limits 50/95°F Summer 38/95°F Winter.

a) If not, see that response sheet.

5. Verify that tower water flow is within limits ≈2000 GPM. a) If not, see that response sheet.

6. For HiTemp alarm TCV indicator should be in Max Cooling Position.

a) If not, place AUTO/MANUAL selector in manual and lower output in 5 psi increments until temp is 5º below hi limit.

b) Check that tower fans & tower pumps are in Auto and are running. If not: Check and fill basin if necessary, place tower fans & pumps in auto and

observe that one or more cycles on. If not try manual. c) Observe system temp and adjust. d) Advise MCR that Pumps will shut down 3 mins after system supply reaches 95 f.

7. For lo temp alarm TCV indicator should be in the minimum position.

If not: Check that selector is in auto.

8. Note 3 & 1. NOTE: 1. Record Actions Taken

2. MCR = Main Control Room 3. Call Mech Svcs from "Call In" list

Return to Magnet menu / Top

816.0-2


SIGNAL NAME DESCRIPTION ALARM LIMITS STARPRES.SUP Star Magnet Supply Pressure (Hi/Lo)

(170-200 psig = Normal) 225/150 ACTION: 1. Verify press is outside limits. 2. If pressure is <150 psig. or >225 notify STAR shift leader on ext.

4242 that the cooling system is out of normal parameters and cooling may be effected.

3. Check that Selector Switch to Press. Control Valve (PCV) is in

auto. a) If not: place in Auto and observe press.

4. If ≤125 check that man/auto selector is in auto & observe press for

a few min. If still low switch to manual and raise pressure output in 5 psi increments until press ≈165-185 psig.

5. If ≥200 check that selector is in auto and observe for a few min. If

still high place selector in manual and increase output to valve until press . ≈165-185 psig.

6. Note 3 & 1.

NOTE: 1. Record Actions Taken



816.0-3


SIGNAL NAME DESCRIPTION ALARM LIMITS STARLVL Star Mag Water Level (Hi/Lo/LoLo)

(15"- 9"=Normal) 25/8/1 ACTION: 1. Verify level is outside Hi/Lo limits.

a) Pumps shut down @ ≤1". 2. If level is <8" notify STAR shift leader on ext. 4242 that a low level

condition exists and that they should monitor the system for possible automatic shutdown if level reaches 1".

3. Inspect B1006 and pump room for leaks.

4. If no leaks check that STARMKUP.OK light is on.

If not: Press Make-Up Reset switch for a few seconds to reset STARMKUP.OK. Check for flow thru deionizer. If not: Open bypass valve at solenoid until level = 15", then close bypass valve.

5. For Hi level check that solenoid bypass is closed.

If not: close valve. If level still rises, close Make-Up valve @ solenoid.

6. Notes 1 & 3.




816.0-4


SIGNAL NAME DESCRIPTION ALARM LIMITS STARFLO Star Magnet Water Flow (Hi/Lo/LoLo)

(1100-1300 GPM=Normal) 1500/1000/500 GPM ACTION: 1. Verify Low flow ≤1000 GPM. 2. If flow is <1000gpm. notify STAR shift leader on ext. 4242 that a

low flow condition exists and that they should monitor the system for possible automatic shutdown if flow reaches 500gpm.

3. Advise MCR (Pumps will stop @ ≤500 GPM).

4. Check B1006 Pump Room, Assy Build and Exp Hall for leaks.

5. Check other system parameters:

a) Pressure is between 165 and 185 psig If less than 150: check that manual/auto selector is in Auto. If greater that 200: check manual/auto selector is in Auto. If press remains high switch to manual and lower output press in 5 psi increments until system press ≈175psi.

6. Note 3 & 1.




816.0-5


SIGNAL NAME DESCRIPTION ALARM LIMITS STARESIS STAR Mag Water Resistivity (Lo)

(5-5.5=Normal) 4.5/megohm-cm ACTION: 1. Verify resistivity is below low limits.

2. Observe that flow is thru deionizer.

3. Observe deionizer output resistivity (>5 megohm-cm).

4. Observe that system resistivity rises above 5 megohm.

5. If Lo Alarm remains - Note 3 the following morning.




816.0-6


SIGNAL NAME DESCRIPTION ALARM LIMITS STAR02 Star Mag Water 02 Level (Hi)

(25-75ppb=Normal) 100ppb ACTION: 1. Verify level is above Hi limits.

2. Observe that flow is thru 02 scavenger.

3. If Hi Alarm remains - Note 3 the following morning. NOTE: 1. Record Actions Taken



816.0-7


SIGNAL NAME DESCRIPTION ALARM LIMITS LOAIR.ALRM Low Compressed Air (Lo)

<50 psig ACTION: 1. Verify compressed air pressure with press gauge. 2. If air pressure is <50psig. notify STAR shift leader on ext. 4242

that a low air pressure will affect the operation of all temperature and pressure control valves.

3. Check that manual valves are open.

4. Check compressor in B1006 Support Building.

a) If compressor is off - Call Plant Engineering Site Shift Supervisor at x4174, cell – 872-8988 or C/W desk x4284 during off hours.

5. Notes 1 & 3.




816.0-8


SIGNAL NAME DESCRIPTION ALARM LIMITS STARMKUP.CNT Star Mag Water Make-up Counts (HiHi/Hi)

100/50 Gal in 10min ACTION: 1. Check B1006 Pump Room, Assembly & Exp Hall for leaks. 2. If make-up is >50gallons, notify STAR shift leader on ext. 4242 that

the system will shutdown if the make-up reaches 100 gallons in a 10 minute make-up cycle.

3. If HiHi, advise MCR Pumps will shut off in 3 min.

4. Advise MCR, isolate leaking device.

5. Notes 1 & 3.




816.0-9


SIGNAL NAME DESCRIPTION ALARM LIMITS STARpH Star Magnet Water pH (Hi/Lo)

(6 - 8pH = Normal) 8.5/5.5 pH ACTION: 1. Verify pH alarm.

2. Note 1 & 3 the following morning. NOTE: 1. Record Actions Taken



816.0-10


SIGNAL NAME DESCRIPTION ALARM LIMITS TESTTNK.LVL Star Magnet Water Test Tank Level (Hi)

(2-10" = Normal) 12" ACTION: 1. Verify Hi water condition.

2. Check that Yellow Pump is plugged in and switch is in AUTO. 1) If not: plug in, place in AUTO and observe. 2) If not: try manual and observe.

3. If water level continues to rise valve off supply water to oxygen &

Ph meters on wall.




C-A WATER GROUP ALARM MANUAL

NODE: RPC 7 ALARM CODE 816.2

RESTORE 816.3 LOCATION: BLDG. 1006 SYSTEM: STAR MODIFIED CHILLED WATER COMMON ALARM

(COMNALRM.MCW) ACTION: DETERMINE WHICH SIGNAL IS IN ALARM AND TURN TO

ALARM RESPONSE SHEET FROM LIST BELOW NODE SIGNAL NAME DESCRIPTION PAGE NO. RPC 7 MCWTEMP.SUP Modified Chilled Water Supply Temp. 816.2-1 RPC 7 MCWPRES.SUP Modified Chilled Water Supply Press. 816.2-2 RPC 7 MCWLVL Modified Chilled Water Level 816.2-3 RPC 7 MCWFLO Modified Chilled Water Flow 816.2-4 RPC 7 MCWRESIS Modified Chilled Water Resistivity 816.2-5 RPC 7 MCWMKUP.CNT Modified Chilled Water Hi Mkup 816.2-6 NOTE: IF ALARM IS INTERMITTENT, CHECK MKUP


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816.2-1

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS MCWTEMP.SUP Modified Chilled Water Supply Temp. (Hi/Lo)

(≈60-62°F = normal) 70/50°F ACTION: 1. Verify temp is outside limits.

2. Check that MANUAL/AUTO Switch for MCW Temp. Control Valve (TCV) is in Auto position. a) If not, place in AUTO and observe temp.

3. Verify that 80 ton chiller water temp is within limits. 40/55°F.

a) If not, Call Plant Eng. Site Shift Supervisor at x 4174, x4284 or cell 872-8988.

4. Verify that 80 ton chiller water flow is within limits. a) If not, Call Plant Eng. Site Shift Supervisor at x 4174, x4284 or cell 872-

8988.

5. For HiTemp alarm TCV indicator should be in Max Cooling Position. a) If not, place AUTO/MANUAL selector in manual and lower output in 5 psi increments until temp is 5E below hi limit. b) Check that 80 ton chiller pump is in Auto and is running. If not: Call Plant Eng. Site Shift Supervisor at x 4174, x4284 or cell 872-8988. c) Advise MCR that Pumps will shut down 3 mins after system supply reaches 85 f.

6. For lo temp alarm TCV indicator should be in the bypass position.

If not: Check that the manual/auto selector is in auto.

7. Note 3 & 1 NOTE: 1. Record Actions Taken


Return to MCW menu

Return to Top

816.2-2


SIGNAL NAME DESCRIPTION ALARM LIMITS MCWPRES.SUP Modified Chilled Water Pressure (Hi/Lo)

(Pump 1 ≈125 psig = Normal) 160/75 (Pump 2 ≈145 psig = Normal) ACTION: 1. Verify press is outside limits. 2. If pressure is <75psig. or >160psig notify STAR shift leader on ext.

4242 that the cooling system is out of normal parameters and cooling may be effected.

3. Check that Selector Switch to Press. Control Valve (TCV) is in auto.

a) If not: place in Auto and observe press.

4. If ≤75 check that man/auto selector is in auto & observe press for a few min. If still low switch to manual and lower pressure output in 5 psi increments until press eauals rating for online pump.


still high place selector in manual and increase output to valve until press. <160psig.

6. Note 3 & 1.



Return to MCW menu

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816.2-3

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS MCWLVL Modified Chilled Water Level (Hi/Lo/LoLo)

(9"-15"=Normal) 25/8/1 inches ACTION: 1. Verify level is outside Hi/Lo limits

a) Pumps shut down @ ≤1" 2. If level is <8" notify STAR shift leader on ext. 4242 that a low level


3. Inspect B1006, pump room and Power Supply mezzanine for leaks.

4. For Low Level:

If no leaks check that MCWMKUP.OK light is on. If not: Press Make-Up Reset switch for a few seconds to reset MKUP.OK. Check for flow thru deionizer. If not: Open bypass valve at solenoid until level = 15", then close bypass valve.


If not: close valve If level still rises, close Make-Up valve @ solenoid.

6. Notes 1 & 3.



Return to MCW menu

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816.2-4


SIGNAL NAME DESCRIPTION ALARM LIMITS MCWFLO Modified Chilled Water Flow (Hi/Lo/LoLo)

(325-425 GPM Normal) 500/250/200 ACTION: 1. Verify low flow ≤250 GPM. 2. If flow is <250gpm. notify STAR shift leader on ext. 4242 that a low

flow condition exists and that they should monitor the system for possible automatic shutdown if flow reaches 200gpm.

3. Advise MCR (Pumps will stop @ ≤200 GPM). 4. Check B1006 Pump Rm, Assembly Build., Exp Hall and Power

Supply mezzanine for major leak.

5. Check other system parameters: a) Level is ≥9 inches. b) Pressure is between 125 and 160 psig.

6. Note 3 & 1



Return to MCW menu

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816.2-5


SIGNAL NAME DESCRIPTION ALARM LIMITS MCWRESIS Modified Chilled Water Resistivity (Lo)

(.5 - 1 =Normal) .4/megohm-cm ACTION: 1. Verify resistivity is below low limits

2. Observe that flow is thru deionizer

3. Observe deionizer output resistivity (>2 megohm-cm)

4. Observe that system resistivity rises above .5 megohm

5. If Lo Alarm remains - Note 3 the following morning. NOTE: 1. Record Actions Taken


Return to MCW menu

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816.2-6


SIGNAL NAME DESCRIPTION ALARM LIMITS MCWMKUP.CNT Modified Chilled Water (Hi/HiHi)

Make-up Counts 50/100 GAL in 10 min ACTION: 1. Check B1006 and Pump Room for leaks. 2. If make-up is >50gallons, notify STAR shift leader on ext. 4242 that


3. Advise MCR that pumps will shut down after 3 min. If HiHi MKUP

occurs.


5. Notes 1 & 3. NOTE: 1. Record Actions Taken


Return to MCW menu

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C-A WATER GROUP ALARM MANUAL

NODE: RPC 7 ALARM CODE 816.4

RESTORE 816.5 LOCATION: BLDG. 1006 SYSTEM: STAR POWER SUPPLY COMMON ALARM

(COMNALR.PS) ACTION: DETERMINE WHICH SIGNAL IS IN ALARM AND TURN TO

ALARM RESPONSE SHEET FROM LIST BELOW NODE SIGNAL NAME DESCRIPTION PAGE NO. RPC 7 PSTEMP.SUP Power Supply Water Supply Temp. 816.4-1 RCP 7 PSPRES.SUP Power Supply Water Supply Press 816.4-2 RCP 7 PSLVL Power Supply Water Level 816.4-3 RCP 7 PSFLO Power Supply Water Flow 816.4-4 RCP 7 PSRESIS Power Supply Water Resistivity 816.4-5 RCP 7 PSMKUP.CNT Power Supply Water Hi Mkup 816.4-6 NOTE: IF ALARM IS INTERMITTENT, CHECK MKUP


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816.4-1

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSTEMP.SUP Power Supply Water Supply Temp. (HiHi/Hi/Lo)

(≈85°F = normal) 105/95/60°F ACTION: 1. Verify temp is outside limits. 2. If temp. is >95°F, notify STAR shift leader on ext. 4242 that they should monitor

temperature and the power supply cooling system for possible automatic shutdown if temp. reaches 105°F.

3. Check that MANUAL/AUTO Switch for Power Supply Temp. Control Valve (TCV) is

in Auto position. a) If not, place in AUTO and observe temp.

4. Verify that tower water temp is within limits. 39/95°F.


5. Verify that tower water flow is within limits ≈2000 GPM. a) If not, see that response sheet.

6. For HiTemp alarm TCV indicator should be in Max Cooling Position.

a) If not, place AUTO/MANUAL selector in manual and lower output in 5 psi increments until temp is 5E below hi limit. b) Check that pumps are in Auto and are running. If not: NOTE 3. c) Advise MCR that Pumps will shut down 3 mins after system supply reaches 105°F.

7. For lo temp alarm TCV indicator should be in the closed position.

If not: Check that the manual/auto selector is in auto.



Back to PS menu

Back to Top

816.4-2

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSPRES.SUP Power Supply Water Pressure (Hi/Lo)

(110-140 psig = Normal) 150/75 ACTION: 1. Verify press is outside limits.

2. Check that Selector Switch to Press. Control Valve (PCV) is in auto.

a) If not: place in Auto and observe press.

3. If ≤75 check that man/auto selector is in auto & observe press for a few min. If still low switch to manual and lower pressure output in 5 psi increments until press ≥100.


still high place selector in manual and increase output to valve until press ≤100.

5. Note 3 & 1.



Back to PS menu

Back to Top

816.4-3

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSLVL Power Supply Water Level (Hi/Lo/LoLo)

(9"-15"=Normal) 25/8/1 inches ACTION: 1. Verify level is outside Hi/Lo limits.

a) Pumps shut down @ ≤1". 2. If level is <8" notify STAR shift leader on ext. 4242 that a low level condition

exists and that they should monitor the system for possible automatic shutdown if level reaches 1".

3. Inspect B1006, pump room and Power Supply mezzanine for leaks.

4. For Low Level:

If no leaks check that PSMKUP.OK light is on. If not: Press Make-Up Reset switch for a few seconds to reset MKUP.OK. Check for flow thru deionizer. If not: Open bypass valve at solenoid until level = 15", then close bypass valve.



6. Notes 1 & 3.



Back to PS menu

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816.4-4

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSFLO Power Supply Water Flow (Hi/Lo/LoLo)

(65-100 GPM Normal) 125/50/25 ACTION: 1. Verify low flow ≤50 GPM. 2. If flow is <50gpm. notify STAR shift leader on ext. 4242 that a low



3. Check B1006 Pump Rm, Assembly Build., Exp Hall and Power

Supply mezzanine for major leak.

4. Check other system parameters: a) Level is ≥9 inches. b) Pressure is between 110 and 140 psig.

5. Note 3 & 1.



Back to PS menu

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816.4-5

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSRESIS Power Supply Water Resistivity (Lo)

(6-6.5=Normal) 5.75/megohm-cm ACTION: 1. Verify resistivity is below low limits.

2. Observe that flow is thru deionizer.

3. Observe deionizer output resistivity (>6 megohm-cm).

4. Observe that system resistivity rises above 6 megohm.

5. If Lo Alarm remains - Note 3 the following morning. NOTE: 1. Record Actions Taken


Back to PS menu

Back to Top

816.4-6

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS PSMKUP.CNT Power Supply Water (Hi/HiHi)

Make-up Counts 50/100 GAL in 10 min ACTION: 1. Check B1006 and Pump Room for leaks. 2. If make-up is >50gallons, notify STAR shift leader on ext. 4242 that



occurs.




Back to PS menu

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RESTORE 816.7 LOCATION: BLDG. 1006 SYSTEM: STAR CHILLED WATER COMMON ALARM (COMNALRM.CHW) ACTION: DETERMINE WHICH SIGNAL IS IN ALARM AND TURN TO

ALARM RESPONSE SHEET FROM LIST BELOW NODE SIGNAL NAME DESCRIPTION PAGE NO. RCP 7 CHWTEMP.SUP Chilled Water Supply Temp 816.6-1 RCP 7 CHWPRES.SUP Chilled Water Supply Press 816.6-2 RCP 7 CHWLVL Chilled Water Level 816.6-3 RCP 7 CHWFLO Chilled Water Flow 816.6-4 RCP 7 CHWMKCNT Chilled Water High Mkup 816.6-5 NOTE: IF ALARM IS INTERMITTENT, CHECK MKUP


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816.6-1

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS CHWTEMP.SUP Chilled Water Supply Temp. (HiHi/Hi/Lo)

(≤40-55°F = normal) 85/62/38°F ACTION: 1. Verify temp is outside limits. 2. If temp. is >65°F, notify STAR shift leader on ext. 4242 that high

chilled water temp. will affect cooling of other systems at STAR and that the chilled water pumps will shutdown if temp. reaches 85°F.

3. Verify that chilled water flow is within limits ≥700 GPM.


4. For HiTemp alarm: a) Check that pump is in Auto and is running. If not: Call Plant Engineering Site Supervisor at x4284 or pp0519.

5. Note 3 & 1



Return to CW menu

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816.6-2

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS CHWPRES.SUP Chilled Water Pressure (Hi/Lo)

(55-75 psig = Normal) 75/25 ACTION: 1. Verify press is outside limits. 2. If pressure is <25psig. or >75 notify STAR shift leader on ext. 4242

that the cooling system is out of normal parameters and cooling may be effected.

3. Check that Pump is running.

4. Check that level = 9-15 inches.

4. Check that flow is ≈1000 gpm.

6. Check that appropriate valves are open.



Return to CW menu

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816.6-3

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS CHWLVL Chilled Water Level (Hi/Lo/LoLo)

(9"-15"=Normal) 25/8/1 inches ACTION: 1. Verify level is outside Hi/Lo limits.

a) Pumps shut down @ ≤1". 2. If level is <8" notify STAR shift leader on ext. 4242 that a low level


3. Inspect B1006 pump room for leaks.

4. For Low Level:

If no leaks check that CHWMKUP.OK light is on. If not: Press Make-Up Reset switch for a few seconds to reset CHWMKUP.OK. Check for level increase. If not: Open bypass valve at solenoid until level = 15", then close bypass valve.



6. Notes 1 & 3.



Return to CW menu

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816.6-4

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS CHWFLO Chilled Water Flow (Hi/Lo/LoLo)

(≈1000 GPM Normal) 2000/700/500 ACTION: 1. Verify low flow ≤700 GPM. 2. If flow is <700gpm. notify STAR shift leader on ext. 4242 that a low



4. Check B1006 Pump Room for major leak.


a) Level is ≥9 inches. b) Pressure is between 55 and 75 psig.

6. Note 3 & 1.



Return to CW menu

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816.6-5

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS CHWMKUP.CNT Chilled Water (Hi/HiHi) Make-up Counts 50/100 GAL in 10 min ACTION: 1. Check B1006 Pump Room for leaks. 2. If make-up is >50gallons, notify STAR shift leader on ext. 4242 that



occurs




Return to CW menu

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RESTORE 816.9 LOCATION: BLDG. 1006 SYSTEM: STAR TOWER COMMON ALARM

(COMNALRM.TWR) ACTION: DETERMINE WHICH SIGNAL IS IN ALARM AND TURN TO

ALARM RESPONSE SHEET FROM LIST BELOW NODE SIGNAL NAME DESCRIPTION PAGE NO. RCP 7 TWRTEMP.SUP Tower Water Supply Temp 816.8-1 RCP 7 TWRPRES.SUP Tower Water Supply Press 816.8-2 RCP 7 TWRLVL Tower Water Level 816.8-3 RCP 7 TWRFLO Tower Water Flow 816.8-4 RCP 7 TWRCOND Tower Water Conductivity 816.8-5 RCP 7 TWRFAN1.VIB.HI Tower Fan 1 Hi Vibration 816.8-6 RCP 7 TWRFAN2.VIB.HI Tower Fan 2 Hi Vibration 816.8-7 RCP 7 TWRMKUP. Tower Mkup Piping 816.8-8

LOTEMP.ALRM Return to Top

816.8-1

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRTEMP.SUP. Tower Water Supply Temp (Hi/Lo)

95/50°F Summer 95/38°F Winter ACTION: 1. Verify temp is outside limits. 2. If temp. is >95°F, notify STAR shift leader on ext 4242 that high tower

water temp will affect cooling of other systems at STAR.

3. Check that tower fan 1 & 2 switchs are in Auto. a) If not, place switch in Auto.

4. For Hi Alarm both fans should be in Hi Speed and water flow to top

of tower. a) If not, redirect water to top with tower valve. b) If fan does not operate in Auto, place fan switch in manual, slow

speed and observe temp. c) Place in HiSpeed fwd only if temp remains above 90°F.

5. For LoAlarm fans should be off.

6. Notes 1 & 3.



Return to Tower menu

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816.8-2

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRPRES.SUP Tower Water Supply Pressure (Hi/Lo)

(≈50 psig = Normal) 75/25 ACTION: 1. Verify press is outside limits. 2. If pressure is <25psig. or >75 notify STAR shift leader on ext. 4242

that the cooling system is out of normal parameters and cooling may be effected.

3. Check that Tower Pumps (2) are running.

4. Check that flow ≈2000gpm.

5. Check that appropriate valves are open.

5. For low Press check for leaks in Pump Room and at tower.

7. Note 3 & 1.




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816.8-3

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRLVL Tower Water Level (Lo/LoLo)

(32"-38"=Normal) 28/25 ACTION: 1. Verify level is outside Lo limits

a) Pumps shut down @ ≤25". 2. If level is <28" notify STAR shift leader on ext. 4242 that a low

level condition exists and that they should monitor the system for possible automatic shutdown if level reaches 25".

3. Inspect B1006 pump room and tower for leaks.

4. For Low Level:

If no leaks check that TWRMKUP.OK light is on. If not: Open bypass valve next to solenoid at tower until level ≈35", then close bypass valve.

5. Notes 1 & 3.




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816.8-4

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRFLO Tower Water Flow (Hi/Lo/LoLo)

(≈2000 GPM Normal) 4000/1500/1000 ACTION: 1. Verify low flow ≤1500 GPM.

2. If flow is <1500gpm. notify STAR shift leader on ext. 4242 that a low flow condition exists and that they should monitor the system for possible automatic shutdown if flow reaches 1000gpm.


4. Check B1006 Pump Room and Tower for major leak.


a) Level is ≥25 inches. b) Pressure is between 40 and 60 psig.

6. Note 3 & 1.




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816.8-5

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRCOND TOWER WATER (Hi)

CONDUCTIVITY ≥ 1.0 milisiemens (.85 - .95 = Normal)

ACTION: 1. Verify resistivity is outside limits.

2. Check that manual valve in series with solenoid valve is open.

3. If Hi Alarm remains - Note 3 the following morning.


2. MCR = Main Control Room 3. Call Mech Svcs from "Call In" list 4. CAS = Opperations Support (x2024)


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816.8-6&7

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRFAN1.VIB.HI Cooling Tower Fan Vibration ON/OFF TWRFAN2.VIB.HI ACTION: 1. Verify that the fan has stopped. 2. If fan vibration alarm is received notify STAR shift leader on ext.

4242 that the tower temperature may be affected and potentially affect the temperature control of other systems.

3. Advise MCR that STAR cooling will be affected.

4. Note 1 & 3.




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816.8-8

ALARM RESPONSE SHEET - STAR SIGNAL NAME DESCRIPTION ALARM LIMITS TWRMKUP.LOTEMP. Cooling Tower Make-up Piping (Lo) ALRM 40f ACTION: 1. Verify temp is outside limits.

2. Verify that heat trace is on. If not raise upper temp SW setting at the tower, until LED on

Controller is ON at location 400,3.

3. If outdoor air temp is ≤32f, Note 3. NOTE: 1. Record Actions Taken



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c-a water group alarm manual · c-a water group alarm manual node: rpc 7 alarm code 816.0 restore...

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