Carrier 50RLP Field-Supplied Hardware For CCN Applica, Aquazone Thermostats, 50QE900-220WS

Table 1 — Aquazone™ Thermostats

ORDERING	THERMOSTAT TYPE	FUNCTIONS
NUMBER
50QE900-220WS	Aquazone 7-Day Programmable	2 stages heating, 2 stages cooling, auto changeover
		Fahrenheit and Celsius temperature scales
	Carrier	4 settings per day
		24 vac
	®
	Pm	Backlit LCD
	HEAT
	COOL
	AUTO
		Keypad
		5-minute compressor protection
		NEVERLOST™ memory
		3 security levels
50QE900-220LA	Aquazone Light Activated, 7-Day Programmable	2 stages heating, 2 stages cooling, auto changeover
		4 settings per day
	Carrier	24 vac
	®
	Pm	Keypad lockout
	COOL
	AUTO	5-minute compressor protection
	HEAT
		Occupied with lights on, unoccupied with lights off
		NEVERLOST memory
		3 security levels
50QE900-NPWS	Aquazone Non-programmable	2 stages heating, 2 stages cooling, auto changeover
		5-minute built-in compressor protection
		Locking cover included
		Fahrenheit and Celsius temperature scales
	COOL	Large display
	AUTO
	HEAT	Keypad lockout
		Backlit display or B terminal
		NEVERLOST memory
		Dual set point with adjustable deadband
		Back plate with terminals
50QE900-511WS	Aquazone 5-1-1 day programmable	2 stages heating, 2 stages cooling, auto changeover
		5-minute built-in compressor protection
		Keypad lockout and locking cover included
		Fahrenheit and Celsius temperature scales
	COOL	4 settings per day
	AUTO

	HEAT	Backlit and configurable display
		O or B terminal
		NEVERLOST memory
		Dual set point with adjustable deadband
		Self prompting program
50QE900-250FS	Aquazone Flush Mount, 7-Day Programmable	2 stages heating, 2 stages cooling, auto changeover
		4 settings per day, Holiday/vacation programming
		Self prompting program with copy command locking
		cover plate with tamperproof screws
		Fahrenheit and Celsius temperature scales
		Set point limiting
		Mounts flush to the wall
		NEVERLOST memory
		Dual set point with adjustable deadband and B terminal
		Remote sensor capability (sold separately): Wireless,
		(33CSRFS-RC transmitter and 33CSRFS-RE receiver),
		wired with override (33CSCEN-WB), duct mounted (33CSSEN-DS)
Field-Supplied Hardware For CCN Applica-		Sensor with Override Button, Set Point Adjustment, and
tions — The factory-installed PremierLink™ controller for		Manual fan control.
the water source heat pump unit is configurable with a variety		INDOOR AIR QUALITY CO2 SENSOR — An indoor air
of Carrier space temperature sensors.		quality sensor is required for CO2 level monitoring. Three
SPACE TEMPERATURE SENSOR (SPT) — A field-supplied		different CO2 sensors are available for this application: the
Carrier space temperature sensor is required to maintain space		33ZCSENCO2 sensor is an indoor, wall-mounted sensor with
temperature in sensor mode. There are three sensors available		an LED display, the 33ZCT55CO2 sensor is an indoor,
for this application: the 33ZCT55SPT Space Temperature		wall-mounted sensor without display (also includes a space
Sensor with Override Button, the 33ZCT56SPT Space		temperature sensor with override button), the 33ZCT56CO2
Temperature Sensor with Override Button and Set Point		sensor is an indoor, wall-mounted sensor without display (also
Adjustment, and the 33ZCT58SPT T58 Communicating Room		includes a space temperature sensor with override button and
		temperature offset).

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