Carrier 50HCQA installation instructions Space Thermostat Connections PremierLink Sensor Usage

50HCQA

SPACECTB

THERMOSTAT THERMOSTAT

R R

TB1PL

G 2 J4-12

Y1 4 J4-10

Y2 6 J4-8

W1 8 J4-6

			W2	10				J4-4
			C	C		CTB
					THERMOSTAT
								C08119
			Fig. 35 - Space Thermostat Connections
			Table 3 – 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				---					---
(PremierLink requires			Not Used				33CSENTHSW
4---20mA Actuator)
Differential Enthalpy			Included ---				Requires ---		Requires ---
with PremierLink				---
							33CSENTHSW		33CSENTSEN
(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.

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