Carrier owner manual Installing the Humidity Module, Back of 33CS450-01

Carrier

Installing the Humidity Module

To install the Humidity Module the thermostat must be detached from the back plate. Plug the Humidity Module into the Humidity Module connector as shown in Figure 2 below. Follow the detailed instructions included with the Humidity Module accessory. Once the Humidity Module has been installed, you must adjust the Humidity jumper setting to HUM as shown in Figure 1 below. This will allow you to access the humidification and dehumidification setup steps.

Back of 33CS450-01
								ELEC
								GAS (FAN)
W3
PROG								HP
HUM								GAS
DEHUM
ECON			Y2					B
MISC3	MISC2	MISC1	(MISC1
			ONLY)					O
W1								W2
Y1
							NO HUM	MISC1
G						HUM
								Rs2
MISC2
								MISC3
CK1
								RS+5
CKGND
			2	4	6	8	X	Z
R			I					Rs1
			MO					RSGND
C			E
			1	3	5	7	9	Y

For proper humidity operation, this jumper must be set for HUM.

Figure 1

HUM 9

OR

NO HUM

Install the Humidity Module

(see Humidity Module Instruction Sheet for more detailed information).

Figure 2	Humidity Module
Humidity Module	Plug located on
	the Thermostat
	Circuit Board.
Thermostat Circuit
Board.

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