MH601 Drawing Rev 2.pdf
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- Solicitation number
- 36C24822R0002
About this file
This document includes a federal contract opportunity notice and related project drawings for replacement of variable air volume terminal units at the West Palm Beach Veterans Affairs Medical Center. The Department of Veterans Affairs Network Contracting Office is soliciting bids to replace approximately 1,184 variable air volume boxes in the main hospital and 119 variable air volume boxes in the community living center. Bids are due by December 2, 2021. The project drawings provide details on the existing building automation control system, proposed control system configuration including network architecture, point information to be displayed on operator graphics, and sequence of operation for different terminal unit types. The contract is set aside for service-disabled veteran-owned small businesses, with an anticipated award value between $10-20 million.
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AI
R
F
LO
W (C
FM
ROOM TEMPERATURE (°F)
CAV
CFM
SETPOINT
REHEAT FLOW
ROOM THERMOSTAT/SENSOR,
WALL MOUNTED
HHWS
HHWR
V-1
REHEAT
COIL
AIR TERMINAL UNIT
T
ATU
CONTROLLERASC
TE
AI
R
F
LO
W (C
FM
ROOM TEMPERATURE (°F)
HEATING
MINIMUM
SETPOINT
AIR TERMINAL UNIT TYPE "VAV" - SEQUENCE OF OPERATION
100%
VA
V
AI
R
FL
OWREHEAT FLOW
A.
B.
C.
D.
PROVIDE SPACE TEMPERATURE SETPOINTS ACCORDING TO INDOOR
AREA SETPOINTS FROM HVAC DESIGN DATA SCHEDULE ON SHEET
MH001. EXAMPLE OF SETPOINTS SHALL BE SET AS FOLLOWS:
SPACE COOLING SETPOINT: 75°F (ADJUSTABLE)
SPACE HEATING SETPOINT: 70°F(ADJUSTABLE)
DEADBAND OF 5° F BETWEEN HEATING AND
COOLING SETPOINTS WILL BE MAINTAINED.
DURING OCCUPIED MODE OF OPERATION, MODULATE THE AIR
CONTROL DAMPER BETWEEN MINIMUM AND MAXIMUM AIR FLOW
SETPOINTS AS NECESSARY TO MAINTAIN SPACE COOLING SETPOINT.
IF THE SPACE TEMPERATURE FALLS BELOW SPACE COOLING
SETPOINT, MODULATE THE AIR CONTROL DAMPER TO REDUCE AIR
FLOW TO MINIMUM AIR FLOW SETPOINT. UPON FURTHER DROP IN
SPACE TEMPERATURE BELOW THE SPACE HEATING SETPOINT,
MODULATE THE HEATING CONTROL VALVE AS NECESSARY TO
MAINTAIN SPACE HEATING SETPOINT. IF SPACE TEMPERATURE
CONTINUES TO DROP, MODULATE THE AIR CONTROL DAMPER
BETWEEN MINIMUM AIR FLOW SETPOINT AND MAXIMUM HEATING AIR
FLOW TO MAINTAIN SPACE HEATING SETPOINT. ON A RISE IN SPACE
TEMPERATURE, THE REVERSE SHALL OCCUR.
DURING UNOCCUPIED HOURS, MAINTAIN UNOCCUPIED SPACE
TEMPERATURE SETPOINTS. THE TERMINAL UNITS WILL HAVE THE
SAME SEQUENCE OF OPERATION AS OCCUPIED MODE EXCEPT THE
SPACE COOLING SETPOINT WILL BE HIGHER AND THE SPACE
HEATING SETPOINT WILL BE LOWER.
UPON ACTIVATION OF EMERGENCY CONSTANT SPEED OPERATION
FOR THE ASSOCIATED AIR HANDLING UNIT, MODULATE AIR CONTROL
DAMPER TO MAINTAIN MAXIMUM AIR FLOW SETPOINT.
TYPE "CAV" AIR TERMINAL UNIT CONTROLS
NTS3
TYPE "VAV" & TYPE "VAV-HD" AIR TERMINAL UNIT CONTROLS
NTS2
NOTES:
• EACH TERMINAL UNIT SHALL BE CONTROLLED BY A DEDICATED, UNIT
MOUNTED, STANDALONE CONTROLLER. THE CONTROLLER SHALL
MONITOR AND CONTROL EACH UNIT IN STAND-ALONE MODE OR AS
DIRECTED BY BUILDING AUTOMATION SYSTEM.
• ALL AIR TERMINAL UNITS SHALL BE PRESSURE INDEPENDENT TYPE
WITH VELOCITY RESET CONTROLLERS. ALL TERMINAL UNITS SHALL
BE CAPABLE OF VARIABLE VOLUME ALTHOUGH SOME WILL ACT AS
CONSTANT VOLUME.
• COORDINATE SETPOINTS AND PERFORMANCE WITH TEST AND
BALANCE CONTRACTOR.
• SPACE TEMPERATURE SETPOINTS SHALL BE ADJUSTABLE FROM THE
ECC FRONT END INTERFACE.
• COORDINATE AND ADJUST OCCUPANCY SCHEDULES AND
UNOCCUPIED TEMPERATURES WITH THE COR.
BACNET SYSTEM ARCHITECTURE
NTS1
AIR FLOW
SENSOR
AIR CONTROL
DAMPER
FE
AIR
FLOW
DISCHARGE AIR
TEMPERATURE
SENSOR
CONTROL VALVE
ROOM THERMOSTAT/SENSOR,
WALL MOUNTED
HHWS
HHWR
V-1
REHEAT
COIL
AIR TERMINAL UNIT
T
ATU
CONTROLLER
ASC
TE
AIR FLOW
SENSOR
AIR CONTROL
DAMPER
FE
AIR
FLOW
DISCHARGE AIR
TEMPERATURE
SENSOR
CONTROL VALVE
AIR TERMINAL UNIT TYPE "CAV" - SEQUENCE OF OPERATION
A.
B.
C.
D.
PROVIDE SPACE TEMPERATURE SETPOINTS ACCORDING TO INDOOR
AREA SETPOINTS FROM HVAC DESIGN DATA SCHEDULE ON SHEET
MH001. EXAMPLE OF SETPOINTS SHALL BE SET AS FOLLOWS:
SPACE COOLING SETPOINT: 75°F (ADJUSTABLE)
SPACE HEATING SETPOINT: 70°F(ADJUSTABLE)
DEADBAND OF 5° F BETWEEN HEATING AND
COOLING SETPOINTS WILL BE MAINTAINED.
DURING OCCUPIED MODE OF OPERATION, MODULATE THE AIR
CONTROL DAMPER AS NECESSARY TO MAINTAIN MAXIMUM AIR
FLOW SETPOINT. IF THE SPACE TEMPERATURE FALLS BELOW
SPACE HEATING SETPOINT, MODULATE THE HEATING CONTROL
VALVE AS NECESSSARY TO MAINTAIN SPACE HEATING SETPOINT.
ON A RISE IN SPACE TEMPERATURE, THE REVERSE SHALL OCCUR.
DURING UNOCCUPIED HOURS, MODULATE AIR CONTROL DAMPER
AS NECESSARY TO MAINTAIN MINIMUM AIR FLOW SETPOINT. IF
SPACE TEMPERATURE FALLS BELOW UNOCCUPIED SPACE
HEATING SETPOINT, MODULATE THE HEATING CONTROL VALVE AS
NECESSARY TO MAINTAIN UNOCCUPIED SPACE HEATING
SETPOINT. ON A RISE IN SPACE TEMPERATURE, THE REVERSE
SHALL OCCUR.
UPON ACTIVATION OF EMERGENCY CONSTANT SPEED OPERATION
FOR THE ASSOCIATED AIR HANDLING UNIT, MODULATE AIR
CONTROL DAMPER TO MAINTAIN MAXIMUM AIR FLOW SETPOINT.
TYPE "EA - CAV" AIR TERMINAL UNIT CONTROLS - ISOLATION ROOMS
NTS4
EXHAUST AIR
TERMINAL UNIT
ATU
CONTROLLER
ASC
AIR FLOW
SENSOR
AIR VALVE
ACTUATOR FE
EXHAUST
AIR FLOW
AIR TERMINAL UNIT TYPE "EA - CAV" - SEQUENCE OF OPERATION
A.
B.
C.
D.
FOR NEGATIVE PRESSURE ISOLATION ROOMS:
DURING NORMAL OPERATION, MODULATE THE AIR VALVE ACTUATOR AS
NECESSARY TO MAINTAIN MAXIMUM AIR FLOW SETPOINT AND
REQUIRED DIFFERENTIAL AIR PRESSURE FOR NEGATIVE PRESSURE
WITHIN THE ISOLATION ROOM.
FOR POSITIVE PRESSURE REVERSE ISOLATION ROOMS:
MODULATE THE AIR VALVE ACTUATOR AS NECESSARY TO MAINTAIN
MINIMUM AIR FLOW SETPOINT AND REQUIRED DIFFERENTIAL AIR
PRESSURE FOR POSITIVE PRESSURE WITHIN THE ISOLATION ROOM.
COORDINATE PROGRAMMING OF POSITIVE OR NEGATIVE PRESSURE
FOR EACH ISOLATION ROOM WITH THE COR.
PROVIDE EACH ROOM WITH STATUS DISPLAY PANEL TO INDICATE
ROOM STATUS OF NEGATIVE OR POSITIVE PRESSURE.
TO ECC
THE BACNET ARCHITECTURE SHOWN IS A DIAGRAMMATIC REPRESENTATION AND IS
INTENDED AS A REFERENCE. IT IS NOT MEANT TO BE THE EXACT ARCHITECTURE FOR THIS
PROJECT. CONTROLS CONTRACTOR TO COORDINATE WITH EXISTING CONTROLS AND
DETERMINE THE EXACT ARCHITECTURE FOR THE SYSTEM BEING PROVIDED AND SHALL
INCLUDE IN THE SUBMITTALS.
AIR TERMINAL UNIT TYPE "VAV-HD" - SEQUENCE OF OPERATION
A.
B.
C.
TYPE "VAV-HD" SEQUENCE TO BE SIMILAR TO TYPE "VAV" SEQUENCE,
WITH THE FOLLOWING ADDITION:
INTERLOCK AIR TERMINAL UNIT WITH EXISTING FUME HOOD AND
EXHAUST FAN SERVING SPACE.
UPON ACTIVATION OF FUME HOOD EXHAUST FAN, MODULATE THE AIR
CONTROL DAMPER AS NECESSSARY TO MAINTAIN THE MAXIMUM AIR
FLOW SETPOINT. MODULATE THE HEATING CONTROL VALVE AS
NECESSARY TO MAINTAIN SPACE TEMPERATURE SETPOINTS.
NOTES:
1.
2.
3.
4.
5.
NOTES:
• EACH TERMINAL UNIT SHALL BE CONTROLLED BY A DEDICATED, UNIT
MOUNTED, STANDALONE CONTROLLER. THE CONTROLLER SHALL
MONITOR AND CONTROL EACH UNIT IN STAND-ALONE MODE OR AS
DIRECTED BY BUILDING AUTOMATION SYSTEM.
• ALL AIR TERMINAL UNITS SHALL BE PRESSURE INDEPENDENT TYPE
WITH VELOCITY RESET CONTROLLERS. ALL TERMINAL UNITS SHALL
BE CAPABLE OF VARIABLE VOLUME ALTHOUGH SOME WILL ACT AS
CONSTANT VOLUME.
• COORDINATE SETPOINTS AND PERFORMANCE WITH TEST AND
BALANCE CONTRACTOR.
• SPACE TEMPERATURE SETPOINTS SHALL BE ADJUSTABLE FROM THE
ECC FRONT END INTERFACE.
• COORDINATE AND ADJUST OCCUPANCY SCHEDULES AND
UNOCCUPIED TEMPERATURES WITH THE COR.
NOTES:
1.
2.
3.
4.
5.
SPACE PRESSURE CONTROLLER
AND WALL-MOUNT DISPLAY
PC
TO
SUPPLY AIR
TERMINAL UNIT
AI
R
F
LO
W (C
FM
ROOM TEMPERATURE (°F)
CAV
CFM
SETPOINT
REHEAT FLOW
TYPE "CAV-OR" AIR TERMINAL UNIT CONTROLS
NTS5
SPACE THERMOSTAT/SENSOR,
WALL MOUNTED
HHWS
HHWR
V-1
REHEAT
COIL
SUPPLY AIR
TERMINAL UNIT
T
SUPPLY ATU
CONTROLLER
ASC
TE
AIR FLOW
SENSOR
AIR CONTROL
DAMPER
FE
AIR
FLOW
DISCHARGE AIR
TEMP. SENSOR
CONTROL VALVE
AIR TERMINAL UNIT TYPE "CAV-OR" - SEQUENCE OF OPERATION
A.
B.
C.
D.
E.
PROVIDE SPACE TEMPERATURE SETPOINTS ACCORDING TO INDOOR
AREA SETPOINTS FROM HVAC DESIGN DATA SCHEDULE ON SHEET
MH001. EXAMPLE OF SETPOINTS SHALL BE SET AS FOLLOWS:
SPACE COOLING SETPOINT: 75°F (ADJUSTABLE)
SPACE HEATING SETPOINT: 70°F(ADJUSTABLE)
DEADBAND OF 5° F BETWEEN HEATING AND
COOLING SETPOINTS WILL BE MAINTAINED.
DURING OCCUPIED MODE OF OPERATION, MODULATE THE SUPPLY ATU
AIR CONTROL DAMPER AS NECESSARY TO MAINTAIN MAXIMUM AIR FLOW
SETPOINT. IF THE SPACE TEMPERATURE FALLS BELOW SPACE
HEATING SETPOINT, MODULATE THE HEATING CONTROL VALVE AS
NECESSSARY TO MAINTAIN SPACE HEATING SETPOINT. ON A RISE IN
SPACE TEMPERATURE, THE REVERSE SHALL OCCUR.
DURING UNOCCUPIED HOURS, MODULATE SUPPLY ATU AIR CONTROL
DAMPER AS NECESSARY TO MAINTAIN MINIMUM AIR FLOW SETPOINT. IF
SPACE TEMPERATURE FALLS BELOW UNOCCUPIED SPACE HEATING
SETPOINT, MODULATE THE HEATING CONTROL VALVE AS NECESSARY
TO MAINTAIN UNOCCUPIED SPACE HEATING SETPOINT. ON A RISE IN
SPACE TEMPERATURE, THE REVERSE SHALL OCCUR.
UPON ACTIVATION OF EMERGENCY CONSTANT SPEED OPERATION FOR
THE ASSOCIATED AIR HANDLING UNIT, MODULATE AIR CONTROL
DAMPER TO MAINTAIN MAXIMUM AIR FLOW SETPOINT.
MODULATE THE EXHAUST ATU AIR VALVE ACTUATOR AS NECESSARY TO
MAINTAIN A CONSTANT SPACE AIR FLOW OFFSET BETWEEN SUPPLY
AND EXHAUST AIR FLOWS.
NOTES:
• EACH TERMINAL UNIT SHALL BE CONTROLLED BY A DEDICATED, UNIT
MOUNTED, STANDALONE CONTROLLER. THE CONTROLLER SHALL
MONITOR AND CONTROL EACH UNIT IN STAND-ALONE MODE OR AS
DIRECTED BY BUILDING AUTOMATION SYSTEM.
• ALL AIR TERMINAL UNITS SHALL BE PRESSURE INDEPENDENT TYPE
WITH VELOCITY RESET CONTROLLERS. ALL TERMINAL UNITS SHALL
BE CAPABLE OF VARIABLE VOLUME ALTHOUGH SOME WILL ACT AS
CONSTANT VOLUME.
• COORDINATE SETPOINTS AND PERFORMANCE WITH TEST AND
BALANCE CONTRACTOR.
• SPACE TEMPERATURE SETPOINTS SHALL BE ADJUSTABLE FROM THE
ECC FRONT END INTERFACE.
• COORDINATE AND ADJUST OCCUPANCY SCHEDULES AND
UNOCCUPIED TEMPERATURES WITH THE COR.
NOTES:
1.
2.
3.
4.
5.
EXHAUST AIR
TERMINAL UNIT
EXHAUST ATU
CONTROLLER
ASC
AIR FLOW
SENSOR
AIR VALVE
ACTUATOR
FE
TO ECC
SPACE PRESSURE CONTROLLER
AND WALL-MOUNT DISPLAY
PC
EXHAUST
AIR FLOW
ISOLATION ROOM NOTES:
A.
B.
FOR NEGATIVE PRESSURE ISOLATION ROOMS:
MAINTAIN NEGATIVE AIR PRESSURE (0.01 INCH W.G.) BETWEEN THE
ISOLATION ROOM AND ANTEROOM AND THE ANTEROOM AND
CORRIDOR BY MODULATING THE EXHAUST ATU AIR VALVE ACTUATOR
AS NECESSARY. ISOLATION ROOM SHALL HAVE A PERMANENTLY
INSTALLED DEVICE AND/OR MECHANISM TO CONSTANTLY MONITOR
THE DIFFERENTIAL AIR PRESSURE BETWEEN THE PATIENT ROOM
AND THE CORRIDOR. A LOCAL VISUAL MEANS SHALL BE PROVIDED TO
INDICATE WHENEVER NEGATIVE DIFFERENTIAL PRESSURE IS NOT
MAINTAINED.
FOR POSITIVE PRESSURE REVERSE ISOLATION ROOMS:
MAINTAIN POSITIVE AIR PRESSURE (0.01 INCH W.G.) BETWEEN THE
POSITIVE ISOLATION ROOM AND THE ANTEROOM AND THE
ANTEROOM AND CORRIDOR BY MODULATING THE EXHAUST ATU AIR
VALVE ACTUATOR AS NECESSARY. ISOLATION ROOM SHALL HAVE A
PERMANENTLY INSTALLED DEVICE AND/OR MECHANISM TO
CONSTANTLY MONITOR THE DIFFERENTIAL AIR PRESSURE BETWEEN
THE PATIENT ROOM AND THE CORRIDOR. A LOCAL VISUAL MEANS
SHALL BE PROVIDED TO INDICATE WHENEVER POSITIVE
DIFFERENTIAL PRESSURE IS NOT MAINTAINED.
TC
VOLUMETRIC AIR
FLOW OFFSET
TRACKING CONTROLLER
Drawing Title
Approved: Project Director
Project Title
Date
Location
Checked
Building Number
Project Number
Drawing Number
Drawn
Dwg. of
CONSULTANTS: ARCHITECT/ENGINEERS:
group mes
Office of Construction and Facilities Management on e ei gh th in ch o ne fo ot
B
A
C
D
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F th re e in ch es o ne fo ot 6"
6" on e an d on e ha lf in ch es o ne fo ot on e in ch o ne fo ot
6" 6" th re e qu ar te rs in ch o ne fo ot on e ha lf in ch o ne fo ot th re e ei gh th s in ch o ne fo ot on e qu ar te r i nc h on e fo ot
VA FORM 08-6231
1 2 3 4 5 6 87 9
F
E
D
C
B
A
97 8654321
550 North Reo Street Suite 203 Tampa, FL 33609 813.289.4700
COA # 8304
DALE A. BACIK, P.E.
FULLY SPRINKLERED
8/
/2
8:
:5
AM
REPLACE VAV BOXES AND
UPGRADE TO DIRECT DIGITAL
CONTROLS
CONTROLS - HVAC
WEST PALM BEACH, FLORIDA
08/20/2018 CJF/REM REM
548-16-612
01, 03
MH601
Revisions: Date
EXISTING LAN / WAN EXPAND
AS REQUIRED
ETHERNET TERMINAL UNIT
CONTROLLERS. (DXR TYPICAL)
ETHERNET HUB
BASEMENT
FLOOR
FIRST
FLOOR
SECOND
FLOOR
THIRD
FLOOR
FOURTH
FLOOR
FIFTH
FLOOR
SIXTH
FLOOR
SEVENTH
FLOOR
EIGHTH
FLOOR
NINTH
FLOOR
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
ETHERNET HUB
TYPICAL LAN LEGEND
ETHERNET CAT6 FROM CONTROLLER TO
CONTROLLER (TYPICAL)
CAT 5E ETHERNET FROM CONTROLLER TO
CONTROLLER (TYPICAL)
ALL IN 3/4" BLUE EMT CONDUIT
+ - + - SIG
ETHERNET HUB
ETHERNET HUB
FIBER TO
BUILDING 3 CLC
CONTROL SYSTEM CONFIGURATION
PROVIDE SIEMENS CAT 6 ETHERNET CONTROLLERS
NETWORK CONFIGURATION TO HAVE REDUNDANT LAN NETWORK. VAV BOX CONTROLLERS
TO OPERATE FROM CONTROLLER TO CONTROLLER AT 100BPS.
NETWORK SYSTEM ARCHITECTURE
FIBER
1. PROVIDE AN ETHERNET BASED ATU CONTROLLER SYSTEM
2. REUSE ALL EXISTING BAS SERVER WORKSTATIONS.
3. PROVIDE A SEAMLESS CONNECTION TO THE EXISTING SIEMENS BAS SYSTEM.
4. EXTEND THE EXISTING SMOKE CONTROL SYSTEM TO THE NEW VAV BOX
CONTROLLERS. WHEN THE EXISITNG AHU'S ARE PLACED INTO SMOKE PURGE
THE VAV BOXES WILL FULLY OPEN THE DAMPER.
5. THIS RISER DIAGRAM SUPERCEDES PREVIOUS DIAGRAMS.
ETHERNET SWITCHES
(TYPICAL)
CONNECT TO THE EXISTING BAS SERVER
SIEMENS DESIGO COMMAND CENTER
MUST BE A SIEMENS BRANCH SENIOR SPECIALIST TO ACCESS SERVER.
BAS CONTROLS:
This facility has an existing building automation control system as manufactured by Siemens Industry Inc. The BAS Desigo server is located in the CEP operators work area. The VAV box controllers are to be a direct extension of the existing server.
Add all the necessary Fiber and Ethernet cabling for the new VAV box DXR controllers to communicate back to the existing BAS Desigo server. Provide all the BACnet licensing for the Desigo server and for the Backup server as required for each VAV box controller. Provide all programming in the new Desigo DXR VAV box controllers to control the VAV box and existing smoke control system sequences. All functions within the controller shall be accessible (Read/Write) from the server. This includes all point information, back-up of controller memory, and controller programming language shall be programable from the server. Provide and set-up the internal Fault Detection diagnostics routines in the VAV box DXR controller and send reports back to the existing server. Reports are to be stored in the Desigo software for future reference and diagnostics.
Controllers are to be ASHRAR 36 compliant with reduced energy consumption and increase occupant comfort routines.on Provide controller points as shown on list below. Provide 3D Floor plan graphics with room numbers and department labels on existing and back-up servers. Temperature sensors are to be located on BAS Floor plan graphics. VAV box application controller shall be used for VAV reheat with smoke control. The controller series shall also have application options available for future use for demand ventilation control, automatic lighting level control, occupancy/Vacancy control, shade controls, door status, and room equipment control integration.sta
ZONE CONTROL VAV BOX TERMINAL UNIT - GENERAL PRODUCT DESCRIPTION
a) The BAS provider shall include a 3-year parts warranty for the entire ZCU and shall have a factory trained service organization located within 30 miles of the facility.
b) All integral appurtenances of the ZCU, including the hydronics, coil, terminal unit and controls shall be assembled and tested by the same manufacturer of the ZCU. All testing, commissioning, programming, certification, and validation of the ZCU shall be performed by the same ZCU manufacturer. Hydronics piping structure shall include Sensible coil, valves, Y-strainer, manual, auto flow, pressure independent balancing control valve as scheduled per drawings. ZCU shall be AHRI Standard 880-certified and labeled.
c) Terminal unit shall be double wall 22 gauge galvanized steel encasing 1” fiberglass, averaging air velocity sensor, NEMA 1 enclosure with sliding door, 120.24 volt transformer, disconnect switch, 2-row coil or as per reheat coil schedule, complete with pressurized piping package.
d) For each ZCU the ZCU manufacturer shall provide and ship a factory installed control package consisting of a DDC electronic controller (Preload from factory Siemens DXR) and room sensor, differential pressure transducer, an electric damper actuator and an electronic control valve. All components shall be furnished, mounted, piped and wired by the BAS Contractor at the factory. The control valve wiring to the DDC controller shall be encased in 3/8 inch flexible conduit in accordance with UL-1995 and the National Electric Code. An electrical junction box with a disconnect switch, 120/24 volt transformer with low voltage wiring shall be provided and mounted on the ZCU by the ZCU manufacturer. All relays required shall be installed and wired in the electrical enclosure.
e) All controls and hydronics piping shall be accessible from the same side of the unit. All hydronics piping packages shall be piped in the opposite direction of the control panel, downstream of the VAV terminal unit.
f) Mechanical Contractor shall be responsible for the factory installed bypass valve to be set in the open position and supply and return isolation valves set in closed position before running water thru the ZCU’s. After flushing all the dirty water out of system, Mechanical Contractor shall close the bypass valve and close the supply and return isolation valves. Balancer shall then balance the hydronics and air on the ZCU.
Point information from Operators Graphic View:
• Room Temperature
• Room Humidity
• Room Temperature Cooling and heating setpoints
• User cooling and heating setpoint limits ( initial set-up 70 to 74 degf)
• Supply Air Temperature
• Damper position and Command
• Supply air volume (CFM)
• VAV Box in heating or colling mode
• Heating valve Position and Command
• Outside air temperature and humidity
• Energy efficiency indication
• Plant operation mode: Normal, cooling, smoke, purge, etc.
There shall be 97 total points available. Points used in setup conditions are not to be shown on graphics.
REVISION 2 11/19/2021
REVISION 2 11/19/2021
REVISION 2 11/19/2021
REVISION 1: UPDATED BY WEST PALM BEACH VAMC 10/01/2021
REVISION 2: UPDATED BY WEST PALM BEACH VAMC 11/19/2021
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