Carrier 33ZCSECTRM Dokumentacja Strona 1

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

10NETWORK SYSTEM DESIGN INFORMATIONDesign Considerations — A VAV system consists ofa number of air terminals, an air source, and one or more CCNbus se

11LINKAGELinkage is defined as the process that links the terminalsand air source to form a coordinated HVAC system. Linkageallows the air source to r

12The Linkage Master will determine if the air source is oper-ational (the fan is on/off) by determining if terminal airflow canbe achieved. If the te

13The schedule master broadcasts its occupancy status upontransition and every 15 minutes, whenever it is configured as aglobal schedule (schedule num

14zone controller can be configured as a broadcaster of its sensoror a receiver of another zone’s sensor information. Zone con-trollers sharing a comm

15minute. If a zone fails to receive updates from the linkage mas-ter for 5 sequential times (greater than 5 minutes without suc-cessful communication

16Table 7 — Points Display Table*Mode can be set to OFF, HEAT, WARM-UP, VENT, FAN AND VENT, COOL, DEHUMIDIFY, REHEAT, PRESSURIZATION, EVACUATION, ZERO

17APPLICATIONGeneral — The zone controller is a CCN device that con-forms to standard CCN communications protocol. The zonecontroller is capable of co

18If the zone controller is configured as a parallel fan type ter-minal, the zone controller will utilize the fan as the first stage ofheat, regardles

19The zone controller temperature control loop determines theairflow set point that is required to maintain space temperatureat the heating set point.

2CONTENTS (cont)PageSeries Fan Terminal Applications. . . . . . . . . . . . . . . . 23• COOLING• HEATING• COOLING WITH FAN• STAGED ELECTRIC HEAT• HOT

20The 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

21SUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERSPACETEMPERATURESENSORCCN BUSZONECONTROLLER24 VACLEAVINGAIR100%MAX COOL LIMIT(DAMPER OVERRIDEPRES

22100%MAX COOL LIMIT(DAMPER OVERRIDEPRESSURIZATIONMODE)MAX HEAT LIMITMIN HEAT LIMITMIN COOL LIMIT0%FULL HEATINGFULL COOLINGDEADBANDCOOLWARMOCCUPIEDCOO

23For modulating control, the supply air needed is comparedto the actual supply air to either drive the valve open or closed.There is a deadband on th

24When the zone controller is controlling a series fan, if the airsource transitions from OFF to any other mode, the zone con-troller will implement a

25COOLING WITH FAN — Figure 13 shows the hardwareconfiguration for a zone controller applied to a series fan pow-ered air terminal that is not equ

26100%MAX COOL LIMIT(DAMPER OVERRIDEPRESSURIZATIONMODE)MAX HEAT LIMITMIN HEAT LIMITMIN COOL LIMIT0%FULL HEATINGFULL COOLINGDEADBANDCOOLWARMOCCUPIEDCOO

27100%MAX COOL LIMIT(DAMPER OVERRIDEPRESSURIZATIONMODE)MAX HEAT LIMITMIN HEAT LIMITMIN COOL LIMIT0%FULL HEATINGFULL COOLINGDEADBANDCOOLWARMOCCUPIEDCOO

28The 33ZCFANTRM VAV Fan Zone Controller supportsthree methods to control heating. These methods are asfollows:• two-position (on/off) control using a

29HOT WATER HEAT — The zone controller can be config-ured to control local heat provided by heating coils carrying hotwater or steam, governed either

3PRODUCT DESCRIPTIONThe Air Terminal Controller provides dedicated controlfunctions for a single air terminal and system support functionsfor a networ

30PLENUMAIRSUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERFANFANRELAYOUTPUTSPACETEMPERATURESENSORCCN BUSZONECONTROLLER24 VACLEAVINGAIR100%MAX COOL

31PLENUMAIRSUPPLYAIRAIRFLOWSENSORDAMPERACTUATORSUPPLYAIRDAMPERFANSTAGESRELAYFANRELAYOUTPUTSPACETEMPERATURESENSORCCN BUSZONECONTROLLER24 VAC123ELEC HEA

32100%MAX COOL LIMIT(DAMPER OVERRIDEPRESSURIZATIONMODE)MAX HEAT LIMITMIN HEAT LIMITMIN COOL LIMIT0%FULL HEATINGFULL COOLINGDEADBANDCOOLWARMOCCUPIEDCOO

33Zone Pressure Control (Terminal Tracking)GENERAL — The 33ZCFANTRM controller can providezone pressure control through the use of the accessory33ZCSE

34Zone Pressure control can also be used to control systemsutilizing dual duct terminals to supply a constant amount ofventilation air to each zone. I

35ZONECONTROLLERSECONDARYCONTROLLERSECONDARYAIRFLOW SENSORPRIMARY DAMPERCONTROL OUTPUTPRIMARY AIRFLOWDAMPERSECONDARYAIRFLOW DAMPERTOTAL AIRFLOWPRIMARY

36The constant volume, dual duct terminals are controlled toprovide constant volume, variable temperature airflow. Theprimary damper position is modul

37GUIDE SPECIFICATIONSZone ControllerPart Numbers:33ZCFANTRM — VAV Fan Terminal Zone Controller33ZCVAVTRM — Single Duct Air Terminal Zone Controller33

38C. Time delays shall be provided with the software toprevent nuisance alarms/alerts during a transitionperiod or if a set point change occurs.D. A

39 2. The actuator shall be fully compatible with theelectronic control signal for the zone controllermicroprocessor. 3. The actuator shall be capable

4SPECIFIED SENSING TEMPERATURE RANGE — Thezone controller space temperature, supply air temperature, andprimary air temperature sensing range is –40 t

40M. Each space temperature sensor shall include anoverride button as an integral part of the sensor.Whenever the button is pushed during the unoccu-p

41 3. Cooling, Fan Only, and Night Time Free Cool-ing (NTFC):a. If the zone requirement is none, then thezone controllers shall modulate their damp-er

42shall generate an alarm, and disable its IAQalgorithm.D. If a zone controller loses communication with itsassociated coordinator, it shall generate

43A. The linkage shall include the following air sourcemodes for use by the Coordinator as a minimum:Off, Cooling, Heating, Morning Warm-Up, NightTime

Copyright 2000 Carrier CorporationManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and

5INPUTS• space temperature sensor• primary air damper position (factory-installed)• airflow sensor (factory installed)• field-installed remote wall se

6Sensor Information — Each zone controller requires aCarrier space temperature sensor that must be ordered separate-ly. There are two space sensors av

7REMOTE TIMED OVERRIDE — Pressing the timed over-ride button on the 33ZCT55SPT or 33ZCT56SPT sensors ini-tiates a timed override. If the override is a

8INPUTS/OUTPUTSSingle Duct Air Terminal Zone Controller(33ZCVAVTRM) — The input and output channel assign-ments are shown in Table 2.The zone controll

9VAV Fan Terminal Zone Controller(33ZCFANTRM) — The input and output channel as-signments are shown in Table 4.The zone controller provides eight anal