Carrier 48TCA04---A12 appendix PremierLink Sensor Usage, Space Sensor Mode

Table 16 – PremierLink Sensor Usage

APPLICATION			OUTDOOR AIR	RETURN AIR	OUTDOOR AIR	RETURN AIR
			TEMPERATURE	TEMPERATURE
					ENTHALPY SENSOR	ENTHALPY SENSOR
			SENSOR	SENSOR
Differential Dry Bulb				Required ---
Temperature with			Included ---
PremierLink				33ZCT55SPT	---	---
			CRTEMPSN001A00
(PremierLink requires				or equivalent
4---20 mA Actuator)
Single Enthalpy with			Included ---		Requires ---
PremierLink
				---	HH57AC077	---
(PremierLink requires			Not Used
					or equivalent
4---20mA Actuator)
Differential Enthalpy			Included ---		Requires ---	Requires ---
with PremierLink				---
					HH57AC077	HH57AC078
(PremierLink requires			Not Used
					or equivalent	or equivalent
4---20mA Actuator)
NOTES:
CO2 Sensors (Optional):
33ZCSENCO2	---	Room sensor (adjustable). Aspirator box is required for duct mounting of the sensor.
33ZCASPCO2	---	Aspirator box used for duct---mounted CO2 room sensor.
33ZCT55CO2	---	Space temperature and CO2 room sensor with override.
33ZCT56CO2	---	Space temperature and CO2 room sensor with override and setpoint.

Table 17 – Space Sensor Mode

TB1 TERMINAL				FIELD CONNECTION			INPUT SIGNAL
	1			T55---SEN/T56---SEN			Analog (10k thermistor)
	2			RMTOCC			Discrete, 24VAC
	3			T55---SEN/T56---SEN			Analog (10k thermistor)
	4			CMPSAFE			Discrete, 24VAC
	5			T56---SET			Analog (10k thermistor)
	6			FSD			Discrete, 24VAC
	7			LOOP---PWR			Analog, 24VDC
	8			SPS			Discrete, 24VAC
	9			IAQ ---SEN			Analog, 4---20mA
	10			FILTER			Discrete, 24VAC
	11		IAQ ---COM/OAQ ---COM/RH ---COM				Analog, 4---20mA
	12			CCN + (RED)			Digital, , 5VDC
	13			OAQ ---SEN/RH ---SEN			Analog, 4---20mA
	14			CCN Gnd (WHT)			Digital, 5VDC
	15			AUX OUT(Power Exhaust)			(Output)Discrete 24VAC
	16			CCN --- (BLK)			Digital, 5VDC
LEGEND:					FSD	---	Fire Shutdown
T55	---	Space Temperature Sensor
T56	---	Space Temperature Sensor			IAQ	--- Indoor Air Quality (CO2)
CCN	---	Carrier Comfort Network (communication bus)			OAQ	--- Outdoor Air Quality (CO2)
CMPSAFE	---	Compressor Safety			RH	---	Relative Humidity
FILTER	---	Dirty Filter Switch			SFS	---	Supply Fan Status

48TC

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