50-M701.pdf

SEQUENCE OF OPERATION: AHU-5

RUN CONDITIONS - CONTINUOUS

THE UNIT SHALL RUN CONTINUOUSLY.

BUILDING AUTOMATION SYSTEM INTERFACE:

THE BUILDING AUTOMATION SYSTEM (BAS) SHALL SEND THE CONTROLLER NORMAL,

EMERGENCY, ENERGY RECOVERY, COOLING, HUMIDIFICATION AND ECONOMIZER MODES. THE

BAS SHALL ALSO SEND THE DISCHARGE AIR TEMPERATURE SETPOINT AND THE DUCT STATIC

PRESSURE SETPOINT. IF A BAS IS NOT PRESENT, OR COMMUNICATION IS LOST WITH THE BAS

THE CONTROLLER SHALL OPERATE USING DEFAULT MODES AND SETPOINTS.

GENERAL

UNIT IS NORMALLY STARTED AND STOPPED REMOTELY AT THE DDC. H-O-A SWITCH SHALL BE

KEPT IN THE "AUTO" POSITION. "HAND" AND "OFF" POSITIONS SHALL BE USED ONLY FOR

MAINTENANCE. WHEN THE UNIT IS "OFF" DAMPERS D-1 AND D-2 SHALL BE FULLY CLOSED.

WHEN THE UNIT IS "ON" EITHER D-1 OR D-2 SHALL OPEN.

NORMAL MODE:

THE SUPPLY FANS SHALL RUN AND THE MOTORIZED DAMPERS (D-1, D-3, D-5, D-7, AND D-9)

SHALL OPEN. MOTORIZED DAMPER (D-2, D-4, AND D-6) SHALL CLOSE. THE CHILLED WATER

VALVE SHALL BE CONTROLLED TO MAINTAIN THE ACTIVE DISCHARGE AIR TEMPERATURE

SETPOINT.

• THE ECONOMIZER IS DE-ACTIVATED.

• EMERGENCY/PANDEMIC IS DE-ACTIVATED.

EMERGENCY/PANDEMIC MODE:

CONTRACTOR TO PROVIDE OVERRIDE TO ALLOW AIR HANDLING UNIT TO ENTER

EMERGENCY/PANDEMIC MODE. DURING EMERGENCY/PANDEMIC MODE THE FOLLOWING SHALL

OCCUR:

• DAMPER D-3, D-5, D-6, AND D-7 SHALL BE IN THE OPEN POSITION.

• DAMPER D-4 AND D-8 SHALL BE IN THE CLOSED POSITION.

• OUTSIDE AIR DAMPER D-1 AND D-2 SHALL BE OPEN POSITION.

THE CHILLED WATER VALVE SHALL BE CONTROLLED TO MAINTAIN DISCHARGE AIR

TEMPERATURE SETPOINT.

HIGH STATIC SHUTDOWN

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING AN HIGH STATIC

SHUTDOWN SIGNAL.

OUTDOOR AIR DAMPERS

THE MINIMUM OUTDOOR AIR DAMPER D-1 SHALL OPEN WHEN THE UNIT RUNS IN "NORMAL"

MODE. WHEN THE UNIT SWITCHES OVER TO "EMERGENCY" MODE, BOTH OUTDOOR AIR

DAMPERS (D-1 AND D-2) SHALL BE 100% OPEN. BOTH DAMPERS D-1 AND D-2 SHALL CLOSE

ANYTIME THE UNIT STOPS. THE SUPPLY FAN SHALL START ONLY AFTER THE DAMPER STATUS

OF EITHER D-1 OR D-2 HAS PROVEN THE DAMPER IS OPEN. BOTH OUTDOOR AIR DAMPERS

SHALL CLOSE 5 SEC (ADJ.) AFTER THE SUPPLY FAN STOPS.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

• OUTDOOR AIR DAMPER FAILURE: COMMAND OPEN, BUT THE STATUS IS CLOSED.

• OUTDOOR AIR DAMPER IN HAND: COMMAND CLOSED, BUT THE STATUS IS OPEN.

OUTSIDE AIR DAMPER VENTILATION

THE CONTROLLER SHALL OPEN THE MINIMUM OUTSIDE AIR DAMPER (D-1) WHENEVER THE UNIT

IS ACTIVATED TO RUN. OUTSIDE AIR DAMPER (D-2) WILL REMAIN CLOSED DURING NORMAL

OPERATION, ECONOMIZER, AND ENERGY RECOVERY SYSTEM IS ACTIVATED. THE AIR FLOW

MEASURING DEVICE IS TO MEASURE THE OUTSIDE AIR CFM OF THE AIR HANDLING UNIT.

EXHAUST

AIR

OUTDOOR

AIR

RELIEF

AIR

RETURN

AIR

SUPPLY TO

VAV UNITS

BI - HIGH PRESSURE STATIC

CC

V-1

C H

W R

C H

W S

BI - ALARM

HUMIDIFIER

AFMS-2

AI - MAX. OUTDOOR AIRFLOW

M

(OPEN/CLOSE)

AI - RELIEF DAMPER

(POSITION)

D-9

AIR-TO-AIR

ENERGY

RECOVERY

AO - RELIEF DAMPER

AI

T-2

AI

H-2

AI

T-3

AI

H-3

DP

AI

T-1

AI

H-1

DP

AI - FILTER STATUS (MERV 8)

M D-1

M D-2MM

(OPEN/CLOSE)

BO - MIXED AIR DAMPER

MD-8

D-7 D-5

(OPEN/CLOSE)

BO - EXHAUST AIR DAMPER

(OPEN/CLOSE)

BO - RETURN AIR DAMPER

T-4

AI

DP DP

AI - FILTER STATUS (MERV 11)

AI - FILTER STATUS (MERV 8)

T-5

AI

M M

M M

VFDVFD

VFD VFD

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

DP

AI - FILTER STATUS (MERV 14)

AI

T-6

AI

H-4

AO - SETPOINT

SPS-1

SF-5-1

BACNET

COMM. (TYP)

MD-6

(OPEN/CLOSE)

BO - RETURN-EXHAUST DAMPER

AO - COOLING VALVE

SUPPLY AIR DUCT STATIC PRESSURE CONTROL

THE CONTROLLER SHALL MEASURE DUCT STATIC PRESSURE AND SHALL MODULATE THE

SUPPLY FAN VFD SPEED TO MAINTAIN A DUCT STATIC PRESSURE SETPOINT OF 1.5 IN H2O

(ADJ.). THE SUPPLY FAN VFD SPEED SHALL NOT DROP BELOW 30% (ADJ.).

THE STATIC PRESSURE SETPOINT SHALL BE RESET BASED UPON THE POSITION OF THE ZONE

DAMPERS, WITH A GOAL OF REDUCING THE STATIC PRESSURE UNTIL AT LEAST ONE ZONE

DAMPER IS NEARLY WIDE OPEN. THE CONTROLLER SHALL UTILIZE THE OUTPUT SIGNAL FROM

ALL SUPPLY DAMPER POSITIONS TO RESET THE SUPPLY DUCT STATIC PRESSURE SETPOINT

AS REQUIRED TO MAINTAIN AT LEAST ONE SUPPLY DAMPER 95% (ADJ.) OPEN.

THE INITIAL DUCT STATIC PRESSURE SETPOINT SHALL BE 1.5 IN H2O (ADJ.). IF NO ZONE

DAMPER IS NEARLY WIDE OPEN, THE SETPOINT SHALL INCREMENTALLY RESET DOWN TO A

MINIMUM OF 1.0 IN H2O (ADJ.) .AS ONE OR MORE DAMPERS NEARS THE WIDE OPEN POSITION, THE SETPOINT SHALL INCREMENTALLY RESET UP TO A MAXIMUM OF 1.5 IN H2O (ADJ.).

ALARMS SHALL BE PROVIDED AS FOLLOWS:

• HIGH SUPPLY STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS

GREATER THAN SETPOINT.

• LOW SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS

LESS THAN SETPOINT.

• SUPPLY FAN VFD FAULT

IF THE SUPPLY FAN FAILS TO PROVE STATUS FOR 30 SECONDS (ADJ.), THE FAN SHALL BE

COMMANDED OFF, THE OUTSIDE AIR DAMPERS SHALL CLOSE, AND AN ALARM SHALL

ANNUNCIATE AT THE BAS. A MANUAL RESET SHALL BE REQUIRED TO RESTART THE FAN. A

HARDWIRED, HIGH STATIC PRESSURE CUT-OFF SWITCH SHALL BE ELECTRICALLY

INTERLOCKED WITH THE VARIABLE SPEED DRIVE. IF THE HIGH STATIC PRESSURE CUT-OFF

SWITCH IS TRIPPED THE FAN SHALL BE COMMANDED OFF, THE OUTSIDE AIR DAMPER SHALL

CLOSE, COOLING SHALL BE DISABLED, AND AN ALARM SHALL ANNUNCIATE AT THE BAS. A

MANUAL RESET OF THE HIGH STATIC PRESSURE CUT-OFF SWITCH SHALL BE REQUIRED TO

RESTART THE FAN.

SUPPLY AIR TEMPERATURE

THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE.

SUPPLY AIR SMOKE DETECTION

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A SUPPLY AIR

SMOKE DETECTOR STATUS.

ALARMS SHALL BE PROVIDED AS FOLLOWS

• HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS GREATER THAN

120°F (ADJ.).

• LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS LESS THAN 45°F

(ADJ.).

RETURN AIR DUCT STATIC PRESSURE CONTROL

THE RETURN FAN SHALL RUN WHENEVER THE SUPPLY FAN RUNS. THE CONTROLLER SHALL

MEASURE RETURN PLENUM STATIC PRESSURE AND MODULATE THE RETURN FAN VFD SPEED

TO MAINTAIN A RETURN PLENUM STATIC PRESSURE SETPOINT DETERMINED BY THE CONTROL

CONTRACTOR AND TEST AND BALANCER. THE RETURN FAN VFD SPEED SHALL NOT DROP

BELOW 20% (ADJ.).

ALARMS SHALL BE PROVDED AS FOLLOWS:

• RETURN FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF

• RETURN FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON

• RETURN RAN RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE

LIMIT (ADJ)

• RETURN FAN VFD FAULT

• HIGH RETURN PLENUM STATIC PRESSURE: IF THE RETURN AIR PLENUM STATIC

PRESSURE IS 25% (ADJ.) GREATER THAN SETPOINT.

• LOW RETURN PLENUM STATIC PRESSURE: IF THE RETURN AIR PLENUM STATIC

PRESSURE IS 25% (ADJ.) LESS THAN SETPOINT.

AIR FLOW MEASURING STATION:

THE CONTROLLER SHALL MONITOR ALL THE AIR FLOW MEASURING STATION TO CONTROL AND

MODULATED THE SUPPLY AND RETURN FAN VFD TO MAINTAIN THE REQUIRED AIRFLOWS.

COOLING COIL VALVE

THE CONTROLLER SHALL MEASURE THE SUPPLY AIR TEMPERATURE AND MODULATE THE

COOLING COIL VALVE TO MAINTAIN ITS COOLING SETPOINT.

THE COOLING SHALL BE ENABLED WHEN ALL THE FOLLOWING AT MET:

• OUTDOOR AIR TEMPERATURE IS GREATER THAN 60°F (ADJ.).

• THE SUPPLY AIR TEMPERATURE IS ABOVE COOLING SETPOINT.

• THE FAN STATUS IS ON.

FREEZE PROTECTION

THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECIEVING A FREEZESTAT

STATUS.

A HARDWIRED, LOW LIMIT TEMPERATURE SWITCH SHALL BE ELECTRICALLY INTERLOCKED

WITH THE VARIABLE SPEED DRIVE. IF THE LOW LIMIT TEMPERATURE SWITCH IS TRIPPED

(35.0°F ADJ.), THE SUPPLY FAN SHALL BE DISABLED, THE OUTSIDE AIR DAMPER SHALL

CLOSE, CHILLED WATER VALVES SHALL OPEN TO 100% AND AN ALARM SHALL BE

ANNUNCIATED AT THE BAS. A MANUAL RESET OF THE LOW LIMIT TEMPERATURE SWITCH

SHALL BE REQUIRED TO RESTART THE FAN.

FILTER STATUS

THE CONTROLLER SHALL MONITOR THE DIFFERENTIAL PRESSURE ACROSS THE FILTER(S)

WHEN THE FAN IS RUNNING.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

• PRE-FILTER CHANGE REQUIRED: PREFILTER DIFFERENTIAL PRESSURE EXCEEDS

A USER DEFINABLE LIMIT (ADJ.).

• FINAL FILTER CHANGE REQUIRED: FINAL FILTER DIFFERENTIAL PRESSURE

EXCEEDS A USER DEFINABLE LIMIT (ADJ.).

ECONOMIZER CYCLE

PROVIDE THE UNIT WITH AN ECONOMIZER CYCLE: OPERATION SHALL BE SUCH THAT WHEN:

• THE OUTDOOR AIR TEMPERATURE IS LESS THAN THE RETURN AIR

TEMPERATURE, THE ECONOMIZER IS ENABLED (DISABLE ECONOMIZER WHEN

OUTSIDE AIR TEMPERATURE IS GREATER THAN RETURN AIR TEMPERATURES BY

1°F (ADJ) AND OA-T< 60°F (ADJ.) AND THE SUPPLY FAN STATUS IS ON.

• DAMPER D-4 AND D-6 SHALL BE ACTIVATED (NORMALLY OPEN)

• DAMPER D-3 AND D-8 SHALL BE DEACTIVATED (NORMALLY CLOSED)

ENERGY RECOVERY OPERATION

ENERGY RECOVERY CONTROL: BAS SHALL ENABLE THE ENERGY RECOVERY SYSTEM WHEN

EVER AHU IS ACTIVATED. THE ENERGY RECOVERY SYSTEM DURING NORMAL OPERATIONS

SHALL HAVE THE FOLLOWING DAMPERS ACTIVATED (NORMALLY OPEN) D-3, D-5, AND D-8.

DAMPER D-4 AND D-6 SHALL BE DE-ACTIVATED (NORMALLY CLOSED) WHEN ENERGY

RECOVERY IS ACTIVATED.

FZ

BI - TEMPERATURE TSL

(OPEN/CLOSE)

AO - MAX. OUTDOOR AIR DAMPER

(POSITION)

AI - MAX. OUTDOOR AIR DAMPER

(OPEN/CLOSE)

AO - MIN. OUTDOOR AIR DAMPER

HUMIDIFIER CONTROL:

THE CONTROLLER SHALL MEASURE THE RETURN AIR HUMIDITY AND MODULATE THE

HUMIDIFIER TO MAINTAIN A SETPOINT OF 35% RH (ADJ.). THE HUMIDIFIER SHALL BE ENABLED

WHENEVER THE SUPPLY FAN STATUS IS ON.

THE HUMIDIFIER SHALL TURN OFF WHENEVER:

• SUPPLY AIR HUMIDITY RISES FROM 90% RH TO 95% RH (ADJ.)

• LOSS OF SUPPLY FAN STATUS.

ALARMS SHALL BE PROVIDED AS FOLLOWS:

• HIGH SUPPLY AIR HUMIDITY: IF THE SUPPLY AIR HUMIDITY IS GREATER THAN 90%

RH (ADJ.)

• LOW SUPPLY AIR HUMIDITY: IF THE SUPPLY AIR HUMIDITY IS LESS THAN 25% RH

(ADJ.).

HUMIDIFICATION SHALL BE ENABLED WHEN DEHUMIDIFICATION IS DISABLED, START UP DELAY HAS TERMINATED AND HUMIDITY IS BELOW SETPOINT. THE HIGH LIMIT HUMIDISTAT SHALL BE

LOCATED DOWNSTREAM FROM THE HUMIDIFIER SHALL OVERRIDE THE HUMIDIFIER CONTROL

TO PREVENT LOCAL SATURATION AT THE POINT OF STEAM INSTRUCTION. HUMIDIFICATION

SHALL BE DISABLED WHEN THE HUMIDITY RISES ABOVE THE SETPOINT PLUS THE DEADBAND.

DEHUMIDIFICATION:

THE CONTROLLER SHALL MEASURE THE RETURN AIR HUMIDITY WHENEVER THE SPACE

HUMIDITY EXCEEDS THE SETPOINT OF 65%RH (ADJ) . THE CONTROLLER WILL OVERRIDE THE

COOLING SEQUENCE TO MAINTAIN RETURN AIR HUMIDITY AT OR BELOW 60%RH (ADJ). THE

COOLING COIL TO PROVIDE MAXIMUM COOLING DOWN TO A MINIMUM COIL LEAVING

TEMPERATURE OF 52°F(ADJ).

CONSTANT SPEED OPERATION

UPON FAILURE OF THE VFD, THE SUPPLY AND EXHAUST FANS SHALL BE STARTED/STOPPED

MANUALLY AT THE DDC THROUGH THE BY-PASS STARTER. FANS SHALL THEN BE OPERATED

AT CONSTANT SPEED.

ALL VAV BOXES WILL BE INDEXED TO MAXIMUM FLOW TO ACCOMMODATE THE MAXIMUM

SUPPLY FAN FLOW.

AUTOMATIC SHUTDOWN / RESTART

WHEN SMOKE IS DETECTED BY DUCT SMOKE DETECTOR, DSD, THE SUPPLY FANS SHALL SHUT

"OFF" AND AN ALARM SIGNAL SHALL BE TRANSMITTED TO THE FIRE-ALARM SYSTEM. ALL

SMOKE DAMPERS IN THE SUPPLY AND RETURN DUCTS SHALL CLOSE. (HARDWIRE INTERLOCK

FROM FIRE RELAY AND THE VFD SAFETY CIRCUIT.)

SUPPLY FANS SHALL RESTART AND SMOKE DAMPERS SHALL OPEN WHEN FIRE ALARM CIRCUIT

IS RESET.

ALARMS

PROVIDE ALARMS FOR THE FOLLOWING:

• SUPPLY / EXHAUST FAN(S) VFD FAULT

• SUPPLY / EXHAUST FAN(S) FAILURE (COMMANDED "ON" BUT THE STATUS IS

"OFF")

• SUPPLY / EXHAUST FAN(S) RUNNING IN HAND (COMMANDED "OFF" BUT THE

STATUS IS "ON"

• HIGHER PRE-FILTER / FINAL FILTER DIFFERENTIAL STATIC PRESSURES.

ON A RISE IN SUPPLY AIR TEMPERATURE ABOVE (53°F PLUS 1.5°F DEADBAND, ADJ.), THE

CHILLED WATER VALVE SHALL MODULATE TO MAINTAIN SETPOINT. ON A FALL IN SUPPLY AIR

TEMPERATURE BELOW 53°F (MINUS 1.5°F DEADBAND, ADJ.), THE CHILLED WATER VALVE SHALL

CLOSE. ON A RISE IN SUPPLY AIR TEMPERATURE ABOVE SETPOINT FOR GREATER THAN 5

MINUTES, AN ALARM SHALL BE SIGNALED TO THE DDC SYSTEM.

MD-4

(OPEN/CLOSE)

AO - HX BYPASS DAMPER

SUPPLY FAN

(QTY. 6)

M

M

VFD

VFD

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

SF-5-2

SF-5-3

SF-5-4

SF-5-5

SF-5-6

M M

M M

VFDVFD

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

EF-5-1

EXHAUST FAN

(QTY. 6)

M

M

VFD

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

EF-5-2

EF-5-3

VFD

EF-5-6

AI - FILTER STATUS (MERV 8)

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

VFD

EF-5-4

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

VFD

EF-5-5

BO (FAN START/STOP)

BI (VFD FAULT)

AO (VFD SPEED CONTROL)

BI (FAN STATUS)

M

D-3 (OPEN/CLOSE)

BO - HX DAMPER

T-7

H-5

AI

AI

AFMS-4

AI -RETURN AIRFLOW

AFMS-3

AI - EXHAUST AIRFLOW

AFMS-1

AI - MIN. OUTDOOR AIRFLOW

AI

SPS-3

HUM-5

SPS-2

DSD-1

AFMS-5

BI TO FIRE ALARM

AI SUPPLY AIRFLOW

AI

CONTROLS SYMBOLS

AI ANALOG INPUT

AO ANALOG OUTPUT

BI BINARY INPUT

BO BINARY OUTPUT

AV ANALOG VALUE

BV BINARY VALUE

SYMBOL DESCRIPTION

SYMBOL DESCRIPTION

CONTROL SYMBOL LIST

ADJ ADJUSTABLE

AFMS AIRFLOW MEASURING STATION

DP DIFFERENTIAL PRESSURE

DSD DUCT SMOKE DETECTOR

H HUMIDITY SENSOR

HOA HAND-OFF-AUTO

BAS BUILDING AUTOMATION SYSTEM

N.O. NORMALLY OPEN

N.C. NORMALLY CLOSED

SPS STATIC PRESSURE SENSOR

T TEMPERATURE SENSOR

VFD VARIABLE FREQUENCY DRIVE

EP POWER WIRING

CT CONTROLLER

SYMBOL DESCRIPTION

COOLING COIL

M

M

MOTORIZED DAMPER (SPRING RETURN)

MOTOR (FAN)

TRANSMITTER

TRANSMITTER, AVERAGING ELEMENT

PUMP

CONTROL VALVE

FZ FREEZESTAT

TSL TEMPERATURE SWITCH, LOW (FREEZESTAT)

NOTE TO TEMPERATURE CONTROL CONTRACTOR:

CONTROL CONTRACTOR SHALL BE RESPONSIBLE FOR

PROVIDING THE CORRECT TYPE, SIZES AND QUANTITIES OF

CONTROL CABLES, CONTROLLERS, SENSORS,

TRANSFORMERS, DEVICES AND PROGRAMMING

NECESSARY FOR A FULLY FUNCTIONAL SYSTEM.

o n e e ig h th in c h o n e fo o t th re e in c h e s o n e fo o t o n e a n d o n e h a lf in c h e s o n e fo o t o n e in c h o n e fo o t th re e q u a rt e rs in c h o n e fo o t o n e h a lf in c h o n e fo o t th re e e ig h th s in c h o n e fo o t o n e q u a rt e r in c h o n e fo o t

1 2 3 4 5 6 7 8 9

1 2 3 4 5 6 7 8 9

A

B

C

D

E

F

A

B

C

D

E

F

Drawing Title Project Title

VA FORM 08-6231

Office of Facilities Management

U.S. Department of Veterans Affairs

STAMP

Date

Location

Building Number Checked Drawn Drawing Number

Project Number

BID SET

Approved: Director

Approved: Associate Director

Approved: Assistant Director

Approved: Assoc. Director for Patient Care Service/Nurse Executive

Approved: Deputy Assoc. Director of Patient Care Services

Approved: Chief of Staff

Approved: Deputy Chief of Staff

Approved: Chief of Engineering

Approved:

Approved:

ARCHITECT/ENGINEER/CONSULTANTS:

Bancroft Project No.

SAVAHCS, TUCSON, AZ 85723

3300 Dundee Road

Northbrook, IL 60062

T: 847.952.9362

04/30/2024MECHANICAL - CONTROLS EXPAND AND RENOVATE

EMERGENCY DEPARTMENT B50

50 DGG TE

50-M701

678-331

8-

E X

P A

N D

A N

D R

E N

O V

A T

E E

M E

R G

E N

C Y

D E

P A

R T

M E

N T

B

A

D D

E N

D U

M

RETURN AIR TEMPERATURE, T-7 X X X X

SUPPLY AIR TEMPERATURE, T-6 X X X X

CHILLED AIR TEMPERATURE, T-5 X X X X

MIXED AIR TEMPERATURE, T-4 X X X X

EXHAUST AIR TEMPERATURE, T-3 X X X X

ENERGY RECOVERY AIR TEMPERATURE, T-2 X X X X

OUTDOOR AIR TEMPERATURE, T-1 X X X X

EXHAUST AIR STATIC PRESSURE, SPS-3 X X X X

SUPPLY AIR STATIC PRESSURE, SPS-1 X X X X

RELIEF DAMPER, D-9 X X X

MAX. OUTDOOR AIR DAMPER, D-2 X X X

FINAL FILTER DIFF. PRESSURE (MERV 14) X X X

MIXED AIR FILTER DIFF. PRESSURE (MERV 11) X X X

MIXED AIR FILTER DIFF. PRESSURE (MERV 8) X X X

EA FILTER DIFF. PRESSURE (MERV 8) X X X

OA FILTER DIFF. PRESSURE (MERV 8) X X X

RELIEF DAMPER POSITION, D-9 X X X

MAX. OUTDOOR AIR DAMPER POSITION, D-2 X X X

RETURN AIR HUMIDITY, H-5 X X X

SUPPLY AIR HUMIDITY, H-4 X X X

EXHAUST AIR HUMIDITY, H-3 X X X

ENERGY RECOVERY HUMIDITY, H-2 X X X

OUTDOOR AIR HUMIDITY, H-1 X X X

SUPPLY AIRFLOW MEASURING STATION, AFMS-5 X X X

RETURN AIRFLOW MEASURING STATION, AFMS-4 X X X

EXHAUST AIRFLOW MEASURING STATION, AFMS-3 X X X

MAX. OA AIRFLOW MEASURING STATION, AFMS-2 X X X

MIN. OA AIRFLOW MEASURING STATION, AFMS-1 X X X

POINT NAME AI AO BI BO AV BV SCHED TREND ALARM SHOW ON GRAPHIC

HARDWARE POINTS SOFTWARE POINTS

AIR HANDLING UNIT (AHU-5) POINTS LIST

CONTINUED ON SHEET M702

Revisions: Date:

BID SET 05/01/2023

ADDENDUM 1 04/30/2024