Carrier 33ZCVAVTRM Specifications Page 189

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3
User interface
The 33CSPREMLK is designed to allow a service person
or building owner to configure and operate the unit
through the CCN user interface. A user interface is not
required for day-to-day operation. All maintenance, config-
uration, setup, and diagnostic information is available
through the Level II communications port to allow data
access by an attached computer running Network Service
Tool, ComfortVIEW
, or ComfortWORKS
®
software. Data
access also can be obtained from Navigator or Scrolling
Marque Display.
Wiring connections
Field wiring is 18 to 22 AWG (American Wire Gage). The
PremierLink controller is a NEC (National Electrical Code)
Class 2 rated device.
Inputs
space temperature sensor
set point adjustment
outdoor air temperature sensor
indoor air quality sensor
outdoor air quality sensor
•compressor lockout
•fire shutdown
supply fan status
remote time clock
enthalpy status
Outputs
economizer
•fan
cool stage 1
cool stage 2
heat stage 1
heat stage 2
heat stage 3/exhaust/reversing valve
Power supply
2-wire, 24 VAC ± 15% at 40 va, 60 Hz
Power consumption
Normal operating supply range is 18 to 32 VAC with mini-
mum consumption of 10 VA
Hardware (memory)
Internal flash memory of 64K
Specified sensing temperature range
The PremierLink controller space temperature range is
–40 to 245 F (–40 to 118 C). The PremierLink controller
has an allowable control set point range from 40 to 90 F
(4 to 32 C) for heating and 45 to 99 F (7 to 37 C) for
cooling.
Communications
The number of PremierLink controllers is limited only by
the maximum number of controllers allowed on a CCN sys-
tem. Bus length may not exceed 4000 ft (1219 m), with no
more than 60 devices on any 1000 ft (305 m) section.
Optically isolated RS-485 repeaters are required every
1000 ft (305 m). Status and control data is transmitted at a
baud rate of between 9600 and 38.4K.
Activity indicators
Two activity indicators present on the PremierLink control-
ler indicate activity. A green LED will indicate activity on
the communication port and a red LED will indicate status
of processor operation.
Dimensions
Height: 5
3
/
4
-in. (146 mm)
Width: 8
1
/
2
-in. (216 mm)
Depth: 3-in. (76 mm)
Minimum service dimensions
Height: 7-in. (178 mm)
Width: 9-in. (229 mm)
Depth: 4-in. (102 mm)
Environmental ratings
Operating Temperature: –40 to 158 F (–40 to 70 C) at 10
to 95% RH (non-condensing)
Storage Temperature: –40 to 185 F (–40 to 85 C) at 10 to
95% RH (non-condensing)
Vibration
Performance vibration: all planes/directions, 1.5G @ 20
to 300 Hz
Shock
Operation: all planes/directions, 5G peak, 11 ms
Storage: all planes/directions, 100G peak, 11 ms
Corrosion
Office environment. Indoor use only.
Approvals
Listed under UL 873, UL94-V0/5VB (plastic), and UL,
Canada.
Standard compliance
CE Mark, ASHRAE 90 and ASHRAE 62-99 compliant.
NOTE: Compliance standards subject to change without
notice.
Accessories
Supply air temperature sensor
The 33ZCSENSAT
supply air temperature sensor is required for all applica-
tions to monitor the temperature of the air delivered. A
second supply air temperature sensor set to thermostat
mode (or a space temperature sensor) must be installed in
the return air for proper economizer and IAQ control.
Space temperature sensor with override button
The space temperature sensor monitors room temperature
which is used by the PremierLink controller to determine
the temperature of conditioned air that is allowed into the
space.
Specifications
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