ML22194A386

2 to Updated Final Safety Analysis Report, Figure 9.4-35, Sheet 1, Rev. 0, System Flow Diagram Eb HVAC - Electrical and Battery Room

ML22194A386
Person / Time
Site:	Summer
Issue date:	06/27/2022
From:	Dominion Energy South Carolina
To:	Office of Nuclear Reactor Regulation
Shared Package
ML22194A236	List: ML22194A109 ML22194A110 ML22194A111 ML22194A112 ML22194A113 ML22194A114 ML22194A115 ML22194A116 ML22194A117 ML22194A118 ML22194A119 ML22194A120 ML22194A121 ML22194A122 ML22194A123 ML22194A124 ML22194A125 ML22194A126 ML22194A127 ML22194A128 ML22194A129 ML22194A130 ML22194A131 ML22194A132 ML22194A133 ML22194A134 ML22194A135 ML22194A136 ML22194A137 ML22194A138 ML22194A140 ML22194A141 ML22194A142 ML22194A143 ML22194A144 ML22194A145 ML22194A146 ML22194A147 ML22194A148 ML22194A149 ML22194A150 ML22194A151 ML22194A152 ML22194A153 ML22194A154 ML22194A155 ML22194A156 ML22194A157 ML22194A158 ML22194A159 ... further results
References
22-179
Download: ML22194A386 (1)

Text

14 I 13 I 12 I 11 I 10 I 9 I 8 7 I 6 I 5 I 4 I 3 I 2 I 1 n HVAC UNIT OPERATION NOTES:

SYSTEM OPERATING DATA NOTE 10 A. ALL THREE WALL MOUNTED HVAC UNITS ARE CONTROLLED BY ITC79211 (TEC40 LEAD/LAG THERMOSTAT).LEAD LAG CONTROL ALLOWS ALL UNITS TO OPERATE WITH BALANCED RUN TIMES.

r('--.

L.!!,,/

AIR FLOW CFM AIR TEMP.

• F r----------------------------, UNITS ARE ROTATED EACH WEEK FROM LEAD TO LAG TO BACKUP UNIT.LEAD UNIT STARTS FIRST WHEN ROOM TEMP.SETPOINT IS EXCEEDED.IF TEMPERATURE CONTINUES TO INCREASE/DECREASE AN ADDITIONAL 2 DEG F THE LAGGING UNIT IS STARTED.IF TEMPERATURE CONTINUES TO INCREASE/DECREASE YET AN ADDITIONAL 2 DEG F THE BACKUP UNIT IS A 1---,l;,........1---....-!1:ll

'"'e,u....."'-1-__:4~5""/q~llil'-l-----1  : ECR50793C 1 STARTED. A 2 400 65/77 1 I XUP5100-AH

<DIESEL BACKED) ~WALL

--- - - -HVAC MOUNT --- ----~

UNIT 8. ONLY ONE HVAC UNIT IS ALLOWED TO HEAT AT A TIME.

I NOTE E COMPRESSOR 9HP c. VENTILATION AIR INTAKE IS ONLY ALLOWED ON THE LEADING UNIT.

I INDOOR BLOWER l/2HP ,1070RPM D. BLOWERS ARE CONTINUALLY RUNNING ON LEADING AND LAGGING UNITS.

I . <1001/. VENT AIR) CONDENSER FAN 3/4HP,1075RPM E. XUP5100 AND XUP5101 ARE DIESEL BACKED. XUP5100 WILL AUTOMATICALLY VENTILATE WHEN POWER IS PROVIDED BY DG.

I 400 CFM HEATING COIL 15 KW F. WHEN DE-HUMIDIFYING THE BACKUP UNIT IS STARTED IN THE HEATING MOOE UNTIL HUMIDITY DROPS BELOW SETPOINT. DE-HUMIDIFICATION IS DISABLED IF THE LAGGING UNIT IS I OUTSIDE VOLTAGE 460V COOLING.

I ----,c- VENTILATIONtDRAIN t ~--~-------~ G. REFERENCE 208-004 SHEETS AH417, AH418 AND AH419 FOR ADDITIONAL HVAC UNIT CONTROL LOGIC.

I I I AIR INTAKE H. UPON SHUTDOWN THERE IS A 150 SEC.DELAY ON BREAK TIMER THAT PREVENTS THE IMMEDIATE RESTART OF THE COMPRESSOR.

I I. IF POWER IS LOST TO THE HVAC UNIT THERE IS A 135 SEC.DELAY ON MAKE TIMER THAT PREVENTS IMMEDIATE RESTART OF THE COMPRESSOR.

B I VENT B I

I 331/.

I cc I

I RF HC I l 400 CFM l 400 CFM I

I I

I !c;c:]P5387 C I i.::::;JAH421B C I

I I t UP TO 1400 CFM IF NOT VENTILATING 1400 CFM  ! 1 1

I FAN RUNNING

~sl FIRE SERVICE FAN DISABLE NOTE3 I I /."-_ _ 1/6 HP

- I I

I I

~ .--- RPM 169. (VARIABLE SPEED 120 v FANMOTORl I I I I .

D I

I I

ra, FIRE SERVICE HVAC UNIT DISABLE:

NOTE 3 G FC 1------i/1----+-:)

1-----1:

J 2

(1001/. VENT AIR)

D I

1---- -----------------------------------

I ~

~

I I

I I

XDP5205-AH

~ ECR50793C XFN0201-AH

~

9 AH421A P5387 I NOTE A I I r::'.":I FIRE SERVICE GENERAL NOTES:

I I 1. ONLY XUP5100 AND XUP5101 ARE DIESEL BACKED.

I FAN RUNNING l.!:,.::J FANN&ti~BLE I 2. ALL FANS ARE BACKED BY EB DIESEL GENERATORS.

I A._ 1/6 HP I I V - - - RPM 1697 <VARIABLE SPEED 3. IF A FIRE IS DETECTED IN ELECTRICAL OR BATTERY ROOM ALL HVAC E

E I I 120v F ANMOTORl UNITS AND VENTILATION FANS ARE STOPPED.

I 4. IF A FIRE IS DETECTED IN DG ROOM ALL FANS ARE I I II STOPPED ANO DG IS STOPPED.

I EB ELECTRICAL ROOM I G FC ...--u----i_---,: 2* 5. ALL CONTROL RELAYS ARE LOCATED IN XPN5387.

I I

EL. 436'-6' I I / Ii----+-:) (1001/. VENT AIR) 6.

7.

FAN CONTACTORS ARE LOCATED IN XPN5391.

BATTERY ROOM DOES NOT HAVE TO BE KEPT BETWEEN 60 AND 77 I  : XFN0200-SSW-1-AH ~ \ \ DEG F AFTER THE BATTERIES HAVE DISCHARGED I I 1XDP5204-AH\ ECR50793C <AFTER DG HAS STARTEDl.ACCEPTABLE EMERGENCY I '-------------7 XFN0200-AH NOTE A TEMPERATURE RANGE INCREASES TO 54-95 DEG F.

I 8. HVAC ALARMS ARE INDICATED ON XPN5387.GENERAL 'EB HVAC F I I TROUBLE ALARM' IS INDICATED ON TEMP MONITORING F I LOW F L O ~

I a SYSTEM AND ANNUNCIATED IN MAIN CONTROL ROOM.SEE I

I fD I N o T E u - ~ NOTE I LOW FLOW 9.

208-004 SH.AH422 PAGE C.

REFERENCE 208-004 SHEETS AH417 THROUGH AH423 FOR I EB BATTERY ROOM ~ ALARM __:IG~ HVAC UNIT AND FAN CONTROL LOGIC AS WELL AS ALARMS.

- I EL. 436'-6"

10. REFERENCE DC07690-010 ISFSI ELECTRICAL BUILDING I

I I

l 400 CFM  !: AN_RUNNIN~ HVAC CALCULATION FOR ADDITIONAL INFORMATION.

11. LOW AIRFLOW ALARMS HAVE A 20 SECOND ON DELAY TO PREVENT FALSE ALARMS WHEN THE FANS ARE STARTED.

I I G I G I

I I XFD5402-AH I

- I I

I '

I UP TO 1400 CFM IF NOT VENTILATING 1400 CFM l I UP TO 1400 CFM IF NOT VENTILATING t 1400 CFM I

I H I H I

I

'1---+-----1' 1 RF cc HC . RF cc HC

1) .

- 331/. 331/.

VENT VENT

,, ,__,__ __..__ __.~,._/_ _.__ _ _, _ _ ~ r - - - ~

J J 400 CFM - ~ /

0001/. VENT AIR) l DRAIN I / WALL MOUNT HVAC UNIT COMPRESSOR 9HP 400 CFM -

(1001/. VENT AIR)

I DRAIN I WALL MOUNT HVAC UNIT COMPRESSOR 9HP

~ ECR50793C XUP5101-AH (DIESEL BACKED) FSAR Figure 9.4-35 SH. 1 I OUTSIDE VENTILATION / INDOOR BLOWER 1/2HP,1070RPM INDOOR BLOWER 1/2HP,1070RPM NOTE E

- *EMERGENCY CONDITION EXISTS I

AIR INTAKE CONDENSER FAN 3/4HP,1075RPM HEATING COIL 15 KW

~~RTSi~iA::NTILATION CONDENSER FAN 3/4HP,1075RPM HEATING COIL 15 KW ALL SYSTEM COMPONENTS ARE SOUlll CAROI.IIIA ELECIRIC & CAS COUPAIIY WHEN NORMAL POWER IS LOST AND I VOLTAGE 460V VOLTAGE 460V DRAl\1NG Cl.ASS LEGIBILITY I

'v1RGII. C. SlJllt£R NUClEAR STAIIOI NON-NUCLEAR SAFETY RELATED DG IS PROVIDING POWER I ECR50793C 1 ~------,~----~ BUILDING SERVICE SYSTEM FLOW DIAGRAM EB HVAC - ELECTRICAL ANO BATTERY ROOM I XUP5102-AH I I I I I

~~

DESIGN ENGINEERING K SYSTEM DESIGN DATA I I I K I _________________________ i _________________________*---------.--1 V. C. QJUMER kUC'l.EAR STA'ttOk .£kKIMSVIU! S.. C.

Cl<l:0<£D U:-AI.

rv AREA AIR FLOW CFM AREA AIR TEMP. 'F AREA EMERGENCY"'

AIR TEMP. 'F '* JMR MGR RS 0 >/3/1! JMR Mr.'1 2

I 400 400 65/75 60/77 54;q5 54/',5 NOTE 10 NO. OATt BY REVISION CKD. B LE VAL D-912-192 I SHI. . . . . ...

0 L I I I 5'

I 151 I

20' f