S02 - 03 - VA Hospital Phase 2B - ATC As-Built Drawings.pdf

MECHANICAL AND CONTROL SYSTEMS

Environmental Control System

Building Automation System

VA MEDICAL CENTER

HVAC CONTROLS UPGRADE - PHASE 2B

WILMINGTON, DELAWARE

PROJECT

OWNER

ENGINEER

CONTRACTOR

211-1009IW/BM 7/19/11IW/JAIW

REFERENCE DRAWING

SUB. REVISION TITLE DATES1 12/13/11 VD

NO. REVISION-LOCATION ECN DATE BY

Automatic Temperature Controls

Heating

Air Conditioning

Air Filters

Water Treatment

Coil Cleaning

Contract Operations

Time-Shared Automated Building Service

Refrigeration

Industrial Controls / Recording / Indication Equipment

Air and Water Systems Balancing

Instrumentation System Installation

Building Operations Management

Energy Conservation Control

Custom Programmed Maintenance

HATCH MOTT MACDONALD

27 BLEEKER ST.

MILLBURN, NJ 07041

BOB SMITH CONTRACTORS

281 EAST EVERGREEN ST.

WEST GROVE, PA 19390

DEPT. OF VETERANS AFFAIRS

1601 KIRKWOOD HIGHWAY

WILMINGTON, DE 19805

VA HVAC CONTROLS UPGRADE - PHASE 2B

(PARTIAL SUBMITTAL - INCLUDES 7TH 8TH & 9TH FLOOR HVAC EQUIPMENT)

PAGE # DRAWING TITLE LAST REVISION

TP-1 TITLE PAGE 01/28/14

C-1A AIR HANDLING UNIT CONTROL – AHU-1 (MER 7003) 12/03/14

C-1B CONTROLLER WIRING DETAIL – AHU-1 (MER 7003) 12/03/14

C-1C SEQUENCE OF OPERATIONS – AHU-1 (MER 7003) 12/03/14

C-2A AIR HANDLING UNIT CONTROL – AHU-2 (MER 7060A) 12/03/14

C-2B CONTROLLER WIRING DETAIL – AHU-2 (MER 7060A) 12/03/14

C-2C AIR HANDLING UNIT CONTROL – AHU-3 (MER 7074) 12/03/14

C-2D CONTROLLER WIRING DETAIL – AHU-3 (MER 7074) 12/03/14

C-2E SEQUENCE OF OPERATIONS – TYPICAL FOR AHU-2 & AHU-3 (MER 7060A & 7074) 12/03/14

C-3A AIR HANDLING UNIT CONTROL – A/C-1 (MER 8TH FLOOR WEST) 12/03/14

C-3B CONTROLLER WIRING DETAIL – A/C-1 (MER 8TH FLOOR WEST) 12/03/14

C-3C SEQUENCE OF OPERATIONS – AC-1 (MER 8TH FLOOR WEST) 12/03/14

C-4A AIR HANDLING UNIT CONTROLS – AHU-7 (MER 8TH FLOOR EAST) 12/03/14

C-4B CONTROLLER WIRING DETAIL – AHU-7 (MER 8TH FLOOR EAST) 12/03/14

C-4C VAV BOX CONTROLS FOR 7TH FLOOR EAST (SERVED BY AHU-7) 12/03/14

C-4D SEQUENCE OF OPERATIONS – AHU-7 (MER 8TH FLOOR EAST) 12/03/14

C-5A AIR HANDLING UNIT CONTROL – ELEVATOR AHU 9TH FLOOR 12/03/14

C-5B CONTROLLER WIRING DETAIL – ELEVATOR AHU 9TH FLOOR 12/03/14

C-6A TYPICAL HEAT EXCHANGER CONTROL – MAIN BUILDING 01/28/14

C-6B CONTROLLER WIRING DETAIL – TYPICAL HEAT EXCHANGER (MAIN BUILDING) 01/28/14

AS-BUILT REV. NEW DWG. TITLES/DATES2 12/03/13 BM

2 3

AS-BUILT REV. ADD ‘MASTER’ NOTE3 1/28/14 DB

NOTE(S): REFER TO ‘MASTER BUILDING NETWORK ARCHITECTURE DRAWING’

PROVIDED IN OUR ATC AS-BUILT / O&M MANUAL BINDER FOR ALL

SUPERVISORY CONTROLLER INFORMATION AND ASSOCIATED IP

ADDRESSES USED BY MODERN CONTROLS.

REFER TO ‘MASTER BUILDING VALVE SCHEDULE’ PROVIDED IN OUR

ATC AS-BUILT / O&M MANUAL BINDER FOR A COMPLETE LIST OF ALL

CONTROL VALVES PROVIDED FOR AIR HANDLING UNITS AND

ASSOCIATED VAV BOXES.

211-1009

IW/BMIW/JAIW BM 7/20/11

REFERENCE DRAWING

SUB. REVISION ADD NOTE1 12/12/11 VD

C-1C

Sales Engineer Project Manager Application Engineer

BY DATE BY DATE

DRAWN APPROVED

ONTRACT NUMBER

RAWING NUMBER

VA HVAC CONTROLS

UPGRADE - PHASE 2B

WILMINGTON, DELAWARE

Drawing Title

SEQUENCE OF OPERATIONS -

AHU-1 (MER 7003)

Project Title

SEQUENCE OF OPERATIONS - AHU-1 (MER 7003)

AHU-1 (MER #7003)

1. GENERAL

UNIT IS NORMALLY STARTED AND STOPPED BY THE DCP OR REMOTELY AT THE BMS. H-O-A SWITCH SHALL BE KEPT IN THE “AUTO” POSITION. “HAND”

AND “OFF” POSITIONS SHALL BE USED FOR MAINTENANCE ONLY. WHEN THE UNIT IS “OFF” D-1 SHALL BE CLOSED. WHEN THE UNIT IS “ON” D-1 SHALL BE

FULLY OPENED.

2. TEMPERATURE CONTROL

SUPPLY AIR TEMPERATURE SENSED BY T-1 SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING V-1 AND V-2 IN SEQUENCE.

3. AIF FLOW CONTROL

THE SUPPLY AIRFLOW SHALL BE CONTROLLED BY THE DCP MODULATING THE SUPPLY FAN VARIABLE SPEED MOTOR CONTROLLER (VSMC) TO

MAINTAIN 1.5” OF DUCT STATIC PRESSURE (FIELD ADJUSTABLE) SENSED BY SPS-1.

THE DCP USING HIGH STATIC PRESSURE SENSOR SPS-2 LOCATED AT THE SUPPLY FAN DISCHARGE SHALL PREVENT THE SUPPLY FAN FROM

DEVELOPING OVER 3” OF STATIC PRESSURE (FIELD ADJUSTABLE). IF STATIC PRESSURE AT SPS-2 EXCEEDS 3” THE SUPPLY FAN SHALL STOP.

4. HUMIDITY CONTROL

WHEN THE DCP IS NOT CALLING FOR HUMIDIFICATION SENSED BY SPACE AIR HUMIDISTAT H-1, TWO-WAY “ON-OFF” CONTROL VALVE V-3 SHALL REMAIN

CLOSED. WHEN THE DCP IS CALLING FOR HUMIDIFICATION, V-3 SHALL OPEN.

RETURN AIR HUMIDITY SHALL BE MAINTAINED AT SETPOINT SENSED BY H-1 VIA DCP BY MODULATING CONTROL VALVE V-4 TO MAINTAIN THE DESIRED

HUMIDITY. THE DCP SHALL OVERRIDE THE CONTROL TO MAINTAIN HUMIDITY IN SUPPLY DUCT BELOW 80% AS SENSED BY H-2. DCP SHALL CLOSE

VALVE V-3 WHENEVER THE SUPPLY FAN IS OFF. VALVE V-4 SHALL BE INTERLOCKED WITH A TEMPERATURE SWITCH; (FIELD VERIFY INTERLOCK) TO

KEEP THE HUMIDIFIER OFF UNTIL CONDENSATE TEMPERATURE APPROACHES STEAM TEMPERATURE.

5. FREEZE PROTECTION

IF THE AIR TEMPERATURE SENSED BY T-2 FALLS BELOW 45°F AN ALARM SIGNAL SHALL INDICATE AT THE DCP AND BMS. IF THIS TEMPERATURE FALLS

BELOW 40°F THE SUPPLY FAN SHALL SHUT DOWN, THE DAMPER D-1 SHALL CLOSE AND A CRITICAL ALARM SHALL INDICATE AT THE DCP AND BMS.

6. EMERGENCY SHUTDOWN/RESTART

WHEN SMOKE IS DETECTED BY THE DUCT MOUNTED SMOKE DETECTOR THE SUPPLY FAN STOPS AND THE ALARM SIGNAL IS TRANSMITTED TO THE

FIRE ALARM SYSTEM, DAMPERS D-1 AND D-2 SHALL CLOSE. SUPPLY AND RETURN FANS SHALL RESTART AND THE DAMPERS SHALL OPEN WHEN THE

FIRE ALARM CIRCUIT IS MANUALLY RESET.

1 2

AS-BUILT REV. NEW DRAWING2 12/3/13 BM

211-1009

IW/BMIW/JAIW BM 7/19/11

REFERENCE DRAWING

SUB. REVISION EDIT SEQUENCE1 12/13/11 VD

C-4D

Sales Engineer Project Manager Application Engineer

BY DATE BY DATE

DRAWN APPROVED

ONTRACT NUMBER

RAWING NUMBER

VA HVAC CONTROLS UPGRADE -

PHASE 2B

WILMINGTON, DELAWARE

Drawing Title

SEQUENCE OF OPERATIONS -

AHU-7 (MER 8TH FLOOR EAST)

Project Title

SEQUENCE OF OPERATIONS - AHU-7 (MER 8TH FLOOR EAST)

AHU-7 (MER 8TH FL EAST)

1. GENERAL

SUPPLY AND RETURN FANS ARE NORMALLY STARTED AND STOPPED BY THE DCP OR REMOTELY AT THE BMS. H-O-A SWITCH SHALL BE KEPT IN THE “AUTO” POSITION. “HAND” AND “OFF” POSITIONS SHALL BE USED FOR MAINTENANCE ONLY. WHEN THE UNIT IS “OFF” D-1, D-2 AND D-3 SHALL BE CLOSED. WHEN THE UNIT IS

“ON” D-1, D-2 AND D-3 SHALL BE OPENED.

2. TEMPERATURE CONTROL

SUPPLY AIR TEMPERATURE SENSED BY T-1 SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING EITHER V-1 AND V02 OR D-1, D-2 AND D-3 IN SEQUENCE.

WHEN THE TEMPERATURE OF THE OUTSIDE AIR PROVIDED BY BMS IS ABOVE 65°F DCP PREVENTS MODULATION OF D-1 AND D-2; D-1 ASSUMES MINIMUM OUTSIDE AIR POSITION AND D-2 IS OPENED. V-1 MODULATES TO MAINTAIN SUPPLY AIR TEMPERATURE SENSED BY T-1.

WHEN THE TEMPERATURE OF THE OUTSIDE AIR PROVIDED BY BMS IS BETWEEN 65°F AND THE SUPPLY AIR TEMPERATURE SENSED BY T-1, DAMPER D-2 IS CLOSED AND DAMPER D-1 IS OPENED TO MAXIMUM OUTSIDE AIR POSITION. V-1 MODULATES OPEN TO MAINTAIN THE SUPPLY AIR TEMPERATURE.

3. AIR FLOW CONTROL

THE SUPPLY AIR FLOW IS CONTROLLED BY THE DCP MODULATING SUPPLY FAN VARIABLE SPEED MOTOR CONTROLLER (VSMC) TO MAINTAIN THE DUCT STATIC

PRESSURE SETPOINT AS SENSED BY SPS-1.

THE DCP BY USING TOTAL SUPPLY AIR AND RETURN AIR FLOW SIGNALS SHALL RESET THE RETURN AIR FAN VSMC TO MAINTAIN A CONSTANT CFM DIFFERENCE

BETWEEN THE SUPPLY AIR FAN CFM AND THE RETURN AIR FAN CFM.

THE DCP USING HIGH STATIC PRESSURE SENSOR SPS-2 LOCATED AT THE SUPPLY FAN DISCHARGE SHALL PREVENT THE SUPPLY FAN FROM DEVELOPING OVER 3” OF STATIC PRESSURE (FIELD ADJUSTABLE). IF STATIC PRESSURE AT SPS-2 EXCEEDS 3” THE SUPPLY AND RETURN FANS SHALL STOP AND THE ALARM SIGNAL

SHALL INDICATE ON DCP AND BMS.

4. HUMIDITY CONTROL

WHEN THE DCP IS NOT CALLING FOR HUMIDIFICATION SENSED BY RETURN AIR HUMIDISTAT H-1, TWO-WAY “ON-OFF” CONTROL VALVE V-3 SHALL REMAIN CLOSED.

WHEN THE DCP IS CALLING FOR HUMIDIFICATION, V-3 SHALL OPEN.

RETURN AIR HUMIDITY SHALL BE MAINTAINED AT SETPOINT VIA DCP BY MODULATING CONTROL VALVE V-4 TO MAINTAIN THE DESIRED HUMMIDITY. THE DCP SHALL OVERRIDE THE CONTROL TO MAINTAIN HUMIDITY IN SUPPLY DUCT BELOW 80% AS SENSED BY H-2.

DCP SHALL CLOSE VALVE V-3 WHENEVER THE SUPPY FAN IS OFF.

VALVE V-4 SHALL BE INTERLOCKED WITH A TEMPERATURE SWITCH (FIELD VERIFY INTERLOCK) TO KEEP THE HUMIDIFIER OFF UNTIL CONDENSATE TEMPERATURE

APPROACHES STEAM TEMPERATURE.

5. FREEZE PROTECTION

IF THE AIR TEMPERATURE SENSED BY T-3 FALLS BELOW 45°F AN ALARM SIGNAL SHALL INDICATE AT THE DCP AND BMS. IF THIS TEMPERATURE FALLS BELOW 40°F THE SUPPLY AND RETURN FANS SHALL SHUT DOWN, DAMPER D-1 SHALL CLOSE AND A CRITICAL ALARM SHALL INDICATE AT THE DCP AND BMS.

6. EMERGENCY SHUTDOWN/RESTART

WHEN SMOKE IS DETECTED BY THE DUCT MOUNTED SMOKE DETECTOR THE SUPPLY AND RETURN FANS SHALL STOP AND THE ALARM SIGNAL SHALL BE TRANSMITTED TO THE FIRE ALARM SYSTEM. DAMPERS D-1, D-2 AND D-3 SHALL CLOSE. SUPPLY AND RETURN FANS SHALL RESTART AND THE DAMPERS SHALL

OPEN WHEN THE FIRE ALARM CIRCUIT IS MANUALLY RESET.

7. EMERGENCY CONSTANT SPEED OPERATION

UPON FAILURE OF VSMC THE SUPPLY AND RETURN FANS SHALL BE STARTED/STOPPED MANUALLY AT THE DCP OR THE BMS THROUGH THE BYPASS STARTER.

FANS SHALL THEN OPERATE AT CONSTANT SPEED.

AS-BUILT REV. NEW DWG. / ADD NOTE2 12/3/13 BM

NOTE(S): REFER TO DRAWING C-4C FOR ASSOCIATED VAV BOX

SEQUENCE OF OPERATIONS AND AIR FLOW SCHEDULE.