HomeMy WebLinkAboutHPE2 - HVAC CONTROL SCHEMATICSRELEA5E0 FOR CONSTRIICTI�N
Su6jec��o compliance with allregula�ions
of S�a�e antl Local Codes
City of Carmel
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DATE: 06�Z9I2O
SUPPLY
AIR
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�O REHEAT COIL
TERMINAL
BOX
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, AHU
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24/60 �
BV ECC � CC
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6
E
SPACE SENSOR WITH ±6°F
ADJUSTMENTFROM NULL �
(ADJUSTMENTISCONCEALED O T
IN PUBLIC AREAS)
wN
BY ECC
TO NETWORK
CONTROLLERB
OWS
EXHAUST EXHAUST
TOHRU E� FROM
SPACE
O M /�
FS `J
E � �
55
2AI60 DDC �N
BYECC � CONTROLLER BVECC
2
6 5 9
TO NETWORK
CONTROLLER 8
OWS
PLANNOTES
1. FURNISHE�.INSTALLE�.WIRE�ANDCOMMISSIONE�BVECC.
2. IMEGRAL WITH TERMINAL BOX.
3. FURNISHE�ANDCOMMISSIONE�BVECQINSTALLE�BVTERMINALBOXSUPPLIER.
0. FURNISHE� BY ECC; INSTALLE� BV MC.
5. AIRVOLUMESENSORTORECALIBRATEAUTOMATICALLYWITHASCHEDULEAPPROVEDBYOWNER.
6. �ISCONNECTBYBOXMFR.
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I PM 2 3 �
1
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PLANNOTES
1. ROOM MONITOR CONTROLLER OPERATES ON RESISTIVE TOUCH. UNIT SHALL DISPLAY ROOM, NUMBER,
TEMPERATURE, HUMIDITY. ANO OCCUPANCV ALONG WITH THE ROOM PRESSURE. THE AUDIBLE LOCAL ALARM
FEATURE SHALL BE CAPABLE OF BEING DISABLE�. THE ABILITY TO ZERO CALIBRATE THE PRESSURE
TRANS�UCER SHALL BE AVAILABLE AT THE UNIT. THE PRESSURE MONITOR SHALL BE FULLV BACNET CAPABLE.
2. REFERTOFLOORPLAN�RAWINGSFORLOCATION.
3. ECCTOPROVIDEANALARMPOINTTOBASTOALERTTHESYSTEMWHENPRESSUREISBELOW001"FORFNE
MINUTES. ECCTOPROVIDEA�OORSWITCHWRHCRC,IFTHE�OORISOPENTHEALARMSHALLBENEGATED.
�\ DIFFERENTIAL PRESSURE MONITOR CONTROL SCHEMATIC
NO SCALE
CAV � OCCUPIED MODE:
1. TERMINALBOXCONTROLLERSHALLRESPON�TOCHANGESINSPACETEMPERATURETO MO�ULATEREHEAT
COIL VALVE SUPPLY AIR VOW ME TO BE MAINTAWED AT A CONSTANT VALUE REGAR�LESS OF CHANGES IN
SUPPLV �UCT STATIC PRESSURE THROUGH CONTROL OF DAMPER ACTUATOR. THROUGH LAN TO OPERATOR'S
WORKSTATION IT SHALL BE POSSIBLE TO RFA� AN� A�JOST SPACE TEMPERATURE AND SUPPLV AIR VO WMES.
ECC TO NOTE THAT ALL ACTUATORS ARE FURNISHED BV ECC AN� INSTALLE� BV BOX MANUFACTURER ON ��C
CONTROLLED BO%ES. SUPPLV AIR TEMPERATURE IS READOUT ONLV.
2 EVMAINTAINSACONSTANTAIRVOLUMEBVMOOULATINGTHEBOXACTUATOR.
3. TERMINALBOXSHALLBEPROGRAMME�WITHANOCCUPIE�/UNOCCUPIEDSCHEDULE.HOURSOFOPERATIONAS
�IRECTED BV OWNER.
VAV � OCCUPIED MOOE:
1. TERMINALBOXCONTROLLERSHALLRESPON�TOCHANGESWSPACETEMPERATUREAN�VARIATIONSIN
SVSTEM STATIC PRESSURE TO MODULATE SUPPLY AIR VOW ME FROM SCHEDULE� MINIMUM TO MAXIMUM. ON A
CALL FOR HEATING. THE REHEAT VALVE SHALL MODUTATE OPEN WHEN VAV BOX IS AT MINIMUM FLOW CONDITION
UNTIL REACHING A DISCHARGE AIR TEMPERATURE OF 05 DEGREES. IF SPACE TEMPERATURE �OES NOT SATISFY
SETPOINT, THE AIRFLOW SHALL BE GRA�UALLV INCREASED FROM HEATING MINIMUM AIRFLOW TO HEATING
MAXIMUM nIRFLOW WHILE THE REHEAT VALVE MAINTAIN$ AN 85 oEGREE LEnVING AIR TEMPERATURE THROUGH
lAN TO OPERATOR'S WORKSTATION IT SHALL BE POSSIBLE TO READ AN� A�JUST SPACE TEMPERATURE AN�
SUPPLV AIR VO W MES (MAXIMOM HEATING AND COOLING, MINIMUM HEATING AND COOLING). ECC TO NOTE THAT
ALL ACTUATORS ARE FURNISHE� BV ECC AND INSTALLED BV BOX MANUFACTIIRER ON DDC WNTROLLED BO%ES.
SUPPLVAIR TEMPERATUREIS REA�OUT ONLV.
2 EV (E%HAUST AIR FLOW CONTROL VALVE) TO BE CONTROLLED IN SEQUENCE WITH SUPPLY AIR VAV BOX(ES)
FROM MINIMUM TO MAXIMUM FLOW TO MAINTAIN THE �ESIGN AIR FLOW �IFFERENTIAL IN EACH ROOM. ECC TO
NOTE THAT SOME EV ARE TO BE CONTROLLE� BY MULTIPLE SUPPLV AIR VAV BOXES.
3. TERMINALBOXSHALLBEPROGRAMME�WITHANOCCUPIE�/UNOCCUPIE�SCHEDULE.HOURSOFOPERATIONAS
�IRECTED BV OWNER.
4. CWCONTROLANYTIMETHESPACECO2LEVELEXCEE�S1000PPMTHETERMINALBOXINCREASESSUPPLVAIR
VOLUMEFROMMINIMUMLEVELTOMAXIMUMLEVEL. WHENSPACECO2LEVELDROPSTO]50PPMTHESUPPLY
AIR VOLUME SHALL RETURN TO NORMAL W NTROL POSITION.
CAVIVAV � UNOCCUPIED MODE:
1. THROUGHGLOBALPROGRAMMING.ALLAREASSHALLBEPROGRAMMEDTO OPERATEINUNOCCUPIE� MODE
FROM 7:00 PM TO 6 00 AM MONDAY THROUGH FRIDAV AND ALL OAV ON HOLIDAVS AN� WEEKENDS. IF THE
OCCUPANCV SENSOR RELAV IN�ICATES THE SPACE IS OCCOPIE� �URING THIS MODE THEN THE SPACE RETURNS
TOOCCUPIEDMO�EFORATHREEHOURPERIOD. ATTHEENDOFTHETHREEHOURPERIO�THESPACE
RETURNS TO UNOCCUPIED MODE.
2. MANUALLVINDEXINGTHESPACESENSORINTEGRALPUSHBUTTONRETURNSTHESPACETOOCWPIEDMO�E
FOR THE REMAINDER OF THE CYCLE.
3. IN UNOCCUPIED MODE THE SUPPLY AN� EXHAUST AIR ACTUATORS INDEX TO THEIR MINIMUM SCHEDULED
AIRFLOWS AND THE HEATING COIL VALVE FULLV CLOSES.
4. IN THE EVENT THE SPACE TEMPERATURE FALLS BELOW 65 DEGREES OR RISES ABOVE 18 �EGREES THE SUPPLV
AND E%HAUST BO% UNOCCUPIED W NTROL LOOPS ARE MODIFIED. IN THIS MODIFIED UNOCCUPIED MODE THE
SPACE TEMPERATURE SETPOINT IS ]3 DEGREES WITH A DE�BAND OF TEN �EGREES (50 THAT THE HEATING
VALVE IS FULLY CLOSED AND SUPPLV AIR VOLUME IS AT THE MINIMUM WHENEVER SPACE TEMPERATURE IS
BETWEEN 68 AND 78 �EGREES).
�,wmtin
EMERGENCVPOWER
BY E.C.
EACH CIRCUIT TO FEED UP TO RVE
TERMINAL UNITS (100 VNICIRCUIT)
WIRE� BY ECC
TRANSFORMER PANEL (120/24)
SOO VA TRANSFORMER
coMP�ETE wiTH oN-oFF swiTCHEs nNo
CIRCUIT BREAKERS PER CIRCUIT (6).
PLANNOTES
1. TRANSFORMERPANELSTOBELOCATE�INELECTRICALROOMA2110.MOUNTINGAN�24VOLTFIEL�WIRING
BV ECQ POWER WIRING BY EC. (FUNCTIONAL �EVICES PSHSO�A OR EpUAL�. PROVI�E �UANTIiV REQUIRE�
TO SERVE VAV BOXES AN� LAB VALVES THAT DO NOT HAVE A DEDICATED PANEb, ALLOW PoR 30% SPARE
CAPACITY FORANY FUTURE MO�IFICATIONS TO FLOOR PLAN.
2. 24 VOLT WIRING TO TERMINAL BOXES TO MEET ALL LOCAL STATE AND NATIONAL CODES AND STANDARDS IN
A��ITION TO BSALS SPECIFICATIONS. WIRING SIZMG BY ECC TO INSORE FOLL POWER AT TERMINAL BORES.
3. CONNECTTOADEDICATE020A.iP,120VACEQUIPMENTBRANCHCIRCUITFROMELECTRICALR00MA2110
SERVINGSTERILEPROCESSING. CONTRACTORTOFIEL��VERIFVSPARE20ACIRCUITISAVAILABLEPRIORTO
INSTALLATION OF TRANSFORMER PANEL.
i� TERMINAL UNIT CONTROL POWER SUPPLY
NO SCALE
T Oj HEATINGCOIL
SUPPLY AIR TERMINAL
BOX
HWS M C
HWR �
Q � E
E
E
2G/60
BV ECC �. C
FROM AHU
�2 5
LAN BV ECC
nNo ows
PLAN NOTES
L FURNISHED,WSTALLED,WIREDAN�COMMISSIONE�BVECC.
2 WTEGRALWITHTERMINALBO%.
3. FURNISHEDANDCOMMISSIONEDBVECQINSTALLEDBYTERMINALBOXSUPPLIER.
4 FURNISHED BV ECQ WSTALLED BV MC.
5. AIRVOLUMESENSORTORECALIBRATEAUTOMATICALLYWITHASCHEDULEAPPROVE�BYOWNER.
6. DISCONNECTBVBO%MFR.
]. FAIL IN LAST POSITION.
SEQUENCEOFOPERATION-VAVBOXES'
1. TERMINAL BOX CONTROLLER SHALL RESPOND TO CHANGES M SPACE TEMPERATURE AND VARIATIONS W SVSTEM STATIC
PRESSURE TO MODULATE SUPPLV AIR VOLUME VALVE FROM SCHEOULED COOLING MINIMUM TO SCHE�ULED MAXIMUM
AIRFLOW. WHENTHE80%HEATINGISREQUIRE�,HEATINGCOILTOTHROTTLEOPENANDPROVIDEAMA%IMUMOF85°F(ADJ.)
LEAVING AIR TEMPERATURE. BOX HEATING AIRFLOW IS THEN MODULATE� FROM SCHEDULE� MINIMUM HEATING AIRFLOW TO
SCHEDULE� MA%IMUM HEATING AIRFLOW TO MAINTAIN05°F�ADJ.)DISCHARGETEMPERATURE AS ADDITIONALHEATIS
REpUIRE�. THROUGH LAN TO OPERATORS WORK STATION. IT SHALL BE POSSIBLE TO READ AN� A�JUST SPACE
TEMPERATURE AN� SUPPLV AIR VOLUME (MAXIMUMS AN� MINIMUMS) ECC TO NOTE THAT ALL ACTVATORS ARE FURNISHED BV
ECCANDINSTALLEDBYBO% MANUFACTUREROND�CCONTROLLEDBO%E5.
2 TIMESCHE�ULE ISTOBEUTILIZE�TORESETSPACE�EA�BANDTEMPERATURESAN�CLOSETERMINALBOXESIN
ACCORDANCE WITH THE FAQLITV'S TEMPERATURE SETBACK POLICW.
� OCCUPIED MODE (ROOM OCCUPANCV SCHEDULE ON)
HEATING SET POINT = ]0 �EGREES
COOLING SET POINT = ]5 DEGREES
TERMINAL BOX AIR VALVE W NTROLS TO AIRFLOW SETPOINT
- UNOCCUPIED MO�E (BUIL�ING OCCUPANCV SCHE�ULE OFF)
HEATING SET POINT = 60 OEGREES
COOLING SET POINT = 80 DEGREES
TERMINAL BOX AIR VALVE FULLV CLOSE� UNTIL UNOCCUPIED MODE SETPOINT IS REACHED, THEN OPEN TO
MINIMUM AIRFLOW ANO CONTROL TO STANDBV MODE SETPOINTS.
5. EACHTERMINALUNITAIRVALVEANDHEATINGVALVESHALLCLOSEWHENITSASSOCIATEDAHUISDE-ENERGRED.
RA�IATION VALVES REMAIN ACTNE.
SEOUENCE OF OPERATION - CAV 80%E5:
1. TERMINALBOXCONTROLLERSHALLRESPONDTOCHANGESINSPACETEMPERATUREBYMODULATINGHEATINGCOILVALVE
SUPPLV AIR VO WME TO BE MAINTAINE� AT A CONSTANT VAW E REGAR�LE55 OF CHANGES IN SUPPLY �UCT STATIC PRESSURE
THROUGH COMROL OF �AMPER ACTUATOR. THROUGH LAN TO OPERATORS WORK STATI ON IT SHALL BE POSSBLE TO REA�
AND ADJUST SPACE SPACE TEMPERATURE AND SUPPLV AIR VOLUMES (MA%IMUM AND MINIMUMS�, ECC TO NOTE THAT ALL
ACTUATORS ARE FURNISHE� BV ECC AN� INSTALLE� BV BOk MANUFACTURER ON ��C W NTROLLE� BOXES.
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PE11800348
STATE OF
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