Carrier RTU OPEN 11-808-427-01 - Manual (Page 25)

RTU Open 19
Field-supplied sensor hardware
The RTU Open controller is configurable with the following field-supplied sensors:
Sensor Part numbers Notes
Space temperature sensor
(page 20)
SPS, SPPL, SPP, 33ZCT55SPT,
33ZCT56SPT, 33ZCT59SPT
Supply air temperature sensor
(page 22)
33ZCSENSAT Factory-installed
Duct air temperature sensor
(page 22)
33ZCSENDAT
Outdoor air temperature sensor
(page 23)
33ZCSENOAT Factory-supplied with Economizer
CO2 sensor (page 24) 33ZCSENCO2, 33ZCT55CO2,
33ZCT56CO2
Required only for demand control
ventilation - a dedicated 24-vac
transformer is required
Outdoor air quality sensor (page
26)
33ZCTSENCO2 Optional with demand control
ventilation
Duct relative humidity sensor
(page 27)
33ZCSENDRH-02
Space relative humidity sensor
(page 27)
33ZCSENSRH-02
Humidistat (page 28) --HL—38MG-029
CO2 aspirator box (page 24) 33ZCASPCO2 Required for CO2 return duct/outside
air applications
Outdoor air enthalpy switch
(page 29)
33CSENTHSW
Return air enthalpy sensor
(page 29)
33CSENTSEN Optional with
33CSSENTHSW
Filter status switch (page 32) CRSTATUS005A00
Fan status switch (page 32) CRSTATUS005A00 or field-
supplied
For specific details about sensors, see the Carrier Sensors Installation Guide.