MV402.pdf

DO

DI

T

FAN

STATUS

CS

START/

STOP

SEQUENCE OF OPERATION:

EXHAUST FAN SHALL BE CONTROLLED BY A CONTRACTOR FURNISHED

AND INSTALLED THERMOSTAT WITH MANUAL OVERRIDE OPTION.

A THERMOSTAT SHALL BE INSTALLED FOR EACH EXHAUST FAN

LOCATED IN EACH RESPECTIVE VAULT.

ALARMS, INTERLOCKS AND SAFETIES:

AN ALARM SHALL BE GENERATED AT THE FMCS OPERATOR

WORKSTATION IN THE EVENT THE FMCS COMMANDS THE EXHAUST FAN

TO OPERATE AND THE CURRENT SENSING RELAY DETECTS

INSUFFICIENT CURRENT DRAW.

BACKDRAFT

DMPR.

AIR FROM TUNNEL

TO VAULT

EXHAUST FAN

THERMOSTAT CONTROL

WITH OVERRIDE

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

Approved:

VA FORM 08 - 6231

A

100% FINAL BID

DOCUMENTS

Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

Phase

DESIGNER OF RECORD STAMPCONSULTANT

321 4 5 6 7 8 9 10

623 26TH AVENUE

ROCK ISLAND, IL 61201

9555 JAMES AVE S. SUITE 200

BLOOMINGTON, MN 55431

C U s e rs

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A

M

MV402

CONTROL DIAGRAMS CONSTRUCT STEAM

TUNNEL

DES MOINES, IA

636A6-23-101

3 & 11

08/09/2024 RES RWB

17270

EF-1 & EF-2 EXHAUST FAN CONTROL

Revisions: Date:

REVISION 1 02/07/2025

R E G

I S T E

R E

D P R O F E S S I O N A L E N G I N E E R

NORT H DA KOTA

RUSSELL

SCHULTZ

27753

DATE

08-09-2024