Explanation of Jumper Settings

HUM JUMPER SETTING

If the jumper for MISC1, MISC2, or MISC3 is set to HUM, the corresponding MISC screw terminal on the backplate will control a humidification system.

HUMIDIFICATION OPERATION - SECTION 8

If your HVAC unit is equipped with a humidification system and the Humidity Module (sold separately) has been installed, the thermostat will provide power to the MISC1, MISC2, or MISC3 terminal of the thermostat when the humidity in the home falls below the humidity setpoint you have chosen. The value for this setpoint ranges from 0% to 60%. If no humidity is desired or if a humidification system has not been installed, set the value to 0%.

DEHUM JUMPER SETTING

If the jumper for MISC1, MISC2, or MISC3 is set to DEHUM, the corresponding MISC screw terminal on the backplate will be connected to the dehumidification terminal of a furnace board. NOTE: Not all furnaces have a dehumidification terminal.

DEHUMIDIFICATION OPERATION - SECTION 9

If your HVAC unit is equipped with a dehumidification system the thermostat will operate in one of two ways.

1)Normally Closed (NC): The thermostat will de-energizethe MISC1, MISC2,

or MISC3 terminal of the thermostat (this MISC terminal is connected

to the DEHUM terminal on your furnace) to allow the fan to run in low 16 speed when the humidity in the home is above the dehumidify setpoint you have chosen and there is a call for 1st stage cooling.

2)Normally Open (NO): The thermostat will energize the MISC1, MISC2, or MISC3 terminal of the thermostat (this MISC terminal is connected to the DEHUM terminal on your furnace) to allow the fan to run in low speed when the humidity in the home is above the dehumidify setpoint you have chosen and there is a call for 1st stage cooling.

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Carrier 33CS400-01 owner manual Explanation of Jumper Settings, HUM Jumper Setting

33CS400-01 specifications

The Carrier 33CS400-01 is a highly efficient air conditioning system designed for residential and light commercial use, providing exceptional cooling performance with a focus on energy efficiency. This model is part of Carrier's comprehensive range of HVAC solutions, ensuring comfort while minimizing environmental impact.

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