Carrier P-N 33CSHUMID-01 User Manual

OWNER’S

OWNER’S

MANUAL

MANUAL

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

33CSHUMID-01 33CSHUMID-01

P/N P/N

Humidity

Humidity

Module

Module

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.

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

Complete Control from

Carrier Corporation - 08/06 - Patents Pending

22

11

33

55

77

99

YY

44

66

88

XX

1

ZZ

33

Overview

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:

View the ambient humidity at the thermostat
location

Control a humidifier with the HUM terminal on
the thermostat

Dehumidify using only the air conditioner

Dehumidify with Reheat using your HVAC’s
second stage electric strip heater

Dehumidify using the DEHUM terminal on your
furnace’s circuit board

Page 1

Installation

The humidity accessory is inserted into the
humidity plug on the back of the thermostat
and the Humidity Jumper is set for HUM
operation.

Humidity Jumper

Set this jumper for
HUM.

W3

PROG

HUM

DEHUM

MISC3 MISC2 MISC1

W1

Y1

G

MISC2

CK1

CKGND

R

C

Humidity Module

(FAN)

ELEC

GAS

HP

Y2

(MISC1
ONLY)

INSTALL HUMIDITY

MODULE WITH SENSING

ELEMENT OUTWARD

GAS

B

O

W2

MISC1

HUM

NO HUM

RS2

MISC3

RS+5

Z

2

8

4

6

X

Rs1

1

1

RSGND

Y

3

579

HUM

OR

NO HUM

Humidity Module
Model 33CSHUMID-01

Plug the module into the appropriate
connection terminal on the circuit
board of the thermostat, as shown.

Humidity Module
plug located on
the thermostat
circuit board.

Thermostat
circuit board.

Page 2