Carrier 33ZCVAVTRM Specifications

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.New

10Sensor terminals 1 and 2 are used for space temperaturesensing. The space temperature sensor range is 32 to 120 F,with a nominal resistance of 10,00

11.39.08FOAM GASKET.40'' O.D..250±.01Dia5.5±.5PLENUM RATED CABLE114'' +/-63.903.00.175 DIAx .6003.001.50ø0.50CLEARANCE HOLEENGAGEM

12Table 1 — Thermistor Resistance vsTemperature Values for Space TemperatureSensor, Return-Air Temperature Sensor, andSupply-Air Temperature SensorINP

13Table 6 — VAV Zone Controller Inputs (33ZCVAVTRM)LEGENDW—Wiper of Potentiometer*Required whenever ducted heat is to be controlled. If monitoring of

14NETWORK SYSTEM DESIGNINFORMATIONDesign Considerations —A 3V™ system consists ofa number of dampers, air terminals, an air source, and one ormore Car

15Network Addressing — Use the following methodwhen all the zone controllers are installed and powered, and theSPT sensors are wired and functioning p

16Table 10 — Air Terminal Operating ModesOFF MODE — When no pressure is determined at the bypassdamper, then the linkage coordinator zone controller w

17Global Occupancy — A zone controller’s occupancystate can be controlled through the network. This will bereferred to as global occupancy. Any zone c

18Nighttime Free Cooling (NTFC) — In NTFC mode,the system is attempting to use cool nighttime (3 AM to 7 AM)outside air to cool down the space. In thi

19Supply Air Temperature Sensor Failure — Thisalarm is generated only on pressure dependent applicationswhen a SAT is present or on pressure independe

2CONTENTS (cont)PageSeries Fan Terminal Applications...32• COOLING• HEATING• COOLING WITH FAN• STAGED ELECTRIC OR COMBINATION HEAT• HOT W

20mode(OFF,COOLING,HEATING,orFREECOOLING).Because the PAT sensor is not affected by airflow at the zone,minimum airflow limits may be set to 0 cfm.Eac

21Communication Bus20/3/Shielded cable(See Notes 1,2)System Pilot(See Note 6)BypassVVT LinkageCoordinator(See Note 3)(Optionalfor LinkageCoordinator)V

22VVT® Pressure Independent System Over-view —Pressure Independent VVT systems are used whenthe airflow into the zone is critical and must be maintain

23VVT® Pressure Dependent and IndependentSystem Overview —In many applications VVT Sys-tems require both pressure dependent and independent zonecontro

24Fan Powered and Reheat VVT® SsystemOverview —Adding supplemental heat and fan-poweredterminals has never been simpler than with 3V™ control sys-tem.

25Compatibility of Carrier Systems3V™ AND GEN-III VVT® PRODUCT COMPATIBIL-ITY — Refer to Table 16 for the compatibility of Carrier’s 3Vcontrol system

26General Heating Information — Heating may beone of two types, ducted or non-ducted. In a ducted heat typesystem, the heating mechanism is located wi

27Ducted Heat Control (Staged or ModulatingDevice) —The zone controller can support a ducted heatfunction. The ducted heat function can be configured

28Nighttime Free Cooling — Nighttime Free Cooling(NTFC) is an air source cooling function that can be employedduring unoccupied periods when condition

29A single duct air terminal without local heat can only per-form heating functions while its air source is delivering heatedair. The control sequence

3PRIMARY BUS (BUS 0)EQUIPPEDAIR TERMINAL(1 OF UP TO 31)ADDRESSEDSEQUENTIALLYBELOW LINKAGECOORDINATORSECONDARY BUSBRIDGE(RECOMMENDED)NETWORKMONITORINGS

30PLENUMAIRSUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERELEC HEATSPACETEMPERATURESENSORNETWORK BUSZONECONTROLLER24 VACLEAVING AIRTEMPERATURESENS

31HOT WATER OR STEAM HEAT — The zone controllercan be configured to control local heat provided by heatingcoils carrying hot water or steam, governed

3233ZCVVTZC-01 VVT® Zone Controller and33ZCFANTRM VAV Zone Controller Informa-tion —The zone controller will control the operation of thefan (start an

33• modulation of the primary air damper when the airsource is in its heating mode (VAV Central Heating)The 33ZCFANTRM and 33ZCVVTZC-01 (with optionbo

34PLENUMAIRSUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERFANFANRELAYOUTPUTLEAVINGAIRSPACETEMPERATURESENSORNETWORK BUSZONECONTROLLER24 VAC100%MAX

35HOT WATER OR STEAM HEAT — The zone controllercan be configured to control local heat provided by heating coilscarrying hot water or steam, governed

36PLENUMAIRSUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERFANFANRELAYOUTPUTHEATCOILLEAVINGAIRLEAVING AIRTEMPERATURESENSORSPACETEMPERATURESENSORNET

37The sequence of operation is as follows: when the spacetemperature is above the cooling set point and the air source isin the Cooling mode, the zone

38100%MAX COOL LIMIT(DAMPER OVERRIDEPRESSURIZATIONMODE)MAX HEAT LIMITMIN HEAT LIMITMIN COOL LIMIT0%FULL HEATINGFULL COOLINGDEADBANDCOOLWARMOCCUPIEDCOO

39The figures depict the electric heat source installed in the airterminal. When the zone controller is used to control perimeterheat it follows the s

4PRODUCT DESCRIPTIONVVT® Zone Controller (33ZCVVTZC-01) —TheVVT zone controller is a component of Carrier’s 3V™ systemand is used to provide zone leve

Copyright 2004 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and

5• Modulating hot water valve• Combination radiant/ducted heat stages• Terminal fan (requires VVT® Zone Controller OptionBoard)• Damper position outpu

6The power requirement sizing allows for accessory watervalves and for the fan contactor. Water valves are limited to15 va. The fan contactor is limit

7The VAV zone controller is a single duct, variable air vol-ume (VAV) terminal control with a factory-integrated actuator.The zone controller maintain

8• actuator preassembled to housing• capable of demand controlled ventilation• capable of individual zone pressure control for individ-ual supply and

9ENVIRONMENTAL RATINGSOperating Temperature: 32 to 140 F (0° to 60 C) at 10 to 90%RH (non-condensing)Shipping Temperature: –40 to 185 F (–40 to 85 C)