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P/N 

P/N 33CSHUMID-01 

33CSHUMID-01 

OWNER’S 

MANUAL

OWNER’S 

MANUAL

Humidity 

Module

Humidity

Module

When installed, the
thermostat may have* 
the ability to:

Control a compatible
humidifier

Display relative humidity 
level as measured at the 
thermostat

Dehumidify (Cool to 
dehumidify, reheat, control a 
dehum. terminal equipped 
furnace board.

2

2

4

4

6

6

8

8

X

X

ZZ

1

1

5

5

7

7

9

9

YY

3

3

1

3

3

Carrier Corporation - 08/06 - Patents Pending

Complete Control from

Compatible with thermostat models: 
33CS450-01, 33CS420-01 &
33CS400-01
for a complete list contact Carrier

Summary of Contents for 33CSHUMID-01

Page 1: ...idifier Display relative humidity level as measured at the thermostat Dehumidify Cool to dehumidify reheat control a dehum terminal equipped furnace board 2 2 4 4 6 6 8 8 X X Z Z 1 1 5 5 7 7 9 9 Y Y 3 3 1 3 3 Carrier Corporation 08 06 Patents Pending Complete Control from Compatible with thermostat models 33CS450 01 33CS420 01 33CS400 01 for a complete list contact Carrier ...

Page 2: ...er Dehumidify with Reheat using your HVAC s second stage electric strip heater Dehumidify using the DEHUM terminal on your furnace s circuit board Overview Page 1 This unique accessory allows you to view and control the humidity level using only your thermostat and HVAC unit Depending on the model number of your thermostat the humidification options are ...

Page 3: ...S2 RSGND MISC3 RS 5 Rs1 W3 PROG HUM DEHUM MISC3 MISC2 MISC1 Y2 MISC1 ONLY INSTALL HUMIDITY MODULE WITH SENSING ELEMENT OUTWARD 1 2 4 6 8 X Z 1 5 7 9 Y 3 HUM NO HUM Humidity Module Model 33CSHUMID 01 Plug the module into the appropriate connection terminal on the circuit board of the thermostat as shown The humidity accessory is inserted into the humidity plug on the back of the thermostat and the ...

Page 4: ...sen The value for this setpoint ranges from 0 to 60 Only one of the three outputs MISC1 MISC2 or MISC3 is required to have this jumper For more information regarding the MISC1 MISC2 and MISC3 outputs and regarding the Humidity setpoint please consult your Owner s Manual The Fan may also be programmed to automatically energize any time there is a call for humidity For more information regarding ene...

Page 5: ...mation regarding the MISC1 MISC2 and MISC3 outputs please consult your thermostat Owner s Manual When the indoor humidity falls below the setpoint you have selected the MISC terminal will be de energized The value for this setpoint ranges from 25 to 99 To utilize this feature your HVAC unit must be equipped with a DEHUM terminal For more information regarding dehumidification using the DEHUM termi...

Page 6: ...place This feature will also allow you to adjust the cooling overshoot of the setpoint from 0 to 5 For Example If the cooling overshoot is set for 3 F and the cooling setpoint is set for 74 F then as long as the room temperature reads between 71 F and 74 F this feature will energize the compressor and fan to dehumidify the air When the indoor humidity falls below the setpoint you have selected the...

Page 7: ...will allow for the dehumidification of the air to occur while the Electric Heating will allow for a constant room temperature If Reheat is enabled the Aux icon will appear on the display during Cool to Dehumidify operation For more information regarding Reheat operation please consult your thermostat s Owner s Manual Reheat with Cool to Dehumidify may not be available with your thermostat model nu...

Page 8: ...t Rev 1 Humidity Press the humidity button to display the humidity screens The Up and Down buttons alter the flashing icon The mode button advances the display to the next screen Unit www carrier com Rev 1 Time Period Programming Press the Program button The Up and Down buttons modify the flashing icons The Mode button is used to advance to the next step HUMIDITY FAN MODE PROGRAM HOLIDAY OVER RIDE...

Page 9: ... SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIOD OF THIS WARRANTY THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation and servicing instructions or owner s manual including filter cleaning and or replacement and lubrication 2 Damage or repa...

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