Carrier 33ZCVAVTRM Specifications Page 101

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13
VVT® pressure dependent and independent
system overview
In many applications VVT Systems require both pressure
dependent and independent zone control. With 3V™
control system both forms of control are available. Simply
use Carrier’s VAV Zone Controller, to provide pressure in-
dependent control for critical airflow zones.
VVT PRESSURE DEPENDENT AND INDEPENDENT SYSTEM
LEGEND
REQUIRED COMPONENTS OPTIONAL COMPONENTS
Devices Part Number Usage Devices Part Number Usage
VVT Zone Controller 33ZCVVTZC-01
1 per pressure
dependent zone
PremierLink™
Controller
33CSPREMLK
1 required per system if
non-communicating air
source.
VAV Zone Controller
(ComfortID)
33ZCVAVTRM
1 per pressure
independent zone
Supply Air Temp Sensor 33ZCSENSAT
1 required for bypass
Option for zones
Bypass Controller 33ZCBC-01 1 per system CO
2
Sensors
33ZCT55CO2
33ZCT56CO2
as required per zone for
DCV
System Pilot 33PILOT-01
1 per system on
com bus.
Optional for space
sensors
Relative Humidity Sensor
33ZCSENSRH-01
33ZCSENDRH-01
Optional to Monitor RH only
(if no DCV sensor).
Space Sensor
33ZCT55SPT
33ZCT56SPT
33ZCT59SPT
1 per zone Outside Air Temp Sensor HH79NZ039
Required with field-installed
PremierLink control
Primary Air Temp Sensor 33ZCSENPAT
1 per Linkage
Coordinator
DCV Demand Controlled Ventilation
Communication Bus
20/3/Shielded cable
(See Notes 1,2)
System Pilot
(See Note 6)
Bypass
VVT Linkage
Coordinator
(See Note 3)
VVT Zone
20/3/Shielded cable
(See Note 2)
T55/56/59
T55/56/59
T55/56/59
CO2/T55/56
(Optional for DCV)
See Note 2,4)
32 zones max
including Linkage
Coordinator
24vac
40va
24vac
40va
24vac
40va
120 vac
24vac
40va
Primary Air
Sensor
(See Note 5)
24vac
40va
(See Note 2)
Duct Sensor
(Locate upstream of damper)
(See Note 2)
20/2/Shielded cable
Carrier Communicating RTU
Supply Air
Sensor
(Use PremierLink Retrofit Control for non Carrier communicating RTU)
ComfortID Zone
Comm Bus
Comm Bus
(Optional for Linkage
Coordinator)
LEGEND
NOTES:
1. 239 devices maximum per bus. Repeater required every 1000 ft or 60 devices. Maximum of 3 repeaters per bus.
2. Communication bus and sensor wiring MUST be separate from AC power wiring.
3. Up to 32 total zones per system. Maximum of 8 Linkage Coordinators with a total of 128 devices per single bus.
4. Combination CO
2
/T55/T56 sensor may be used in place of T55/T56/T59 on any zone requiring DCV. RTU must be capable of controlling
economizer for DCV conditions.
5. Locate PAT in supply air duct from air source unit.
6. System Pilot can share power with Bypass Controller or VVT Zone Controller.
CCN Carrier Comfort Network
DCV Demand Controlled Ventilation
PAT Primary Air Temperature Sensor
RTU Rooftop Unit
VVT Variable Volume/Variable Temperature
VVT PRESSURE DEPENDENT AND INDEPENDENT SYSTEM
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