Carrier 33CS420-01 User manual

CAUTION

Follow the Installation Instructions before proceeding.

Set the thermostat mode to "OFF" prior to changing

settings in setup or restoring Factory Defaults.

CAUTION

NEVER PUTMORE THAN ONE

JUMPER ON THE SAME M]SC

JUMPER BLOCK!

THIS MAY DAMAGE YOUR

THERMOSTAT. D

Mis¢_

NOTE: Due to variations in environmental conditions, it is not

always possible to achieve the desired humidification or

dehumidification setpoint.

This device complies with Part 15 of the FCC Rules. Operation is

subject to the following two conditions: (1) this device may not cause

harmful interference, and (2) this device must accept any interference

received, including interference that may cause undesired operation.

Thermostat 3368420 01

C US F_ T_ted_oCompr7wffh FCC Standards

LISTED FORHOUEOROmCEUSE

4Z95

Pagei

The Table of ContenL_ divides the thermostat features into sections

making it easier to quickly find information.

The first page of each section contains a more detailed list of the contents

withing that section, such as the example page shown below.

Header shows section #

Section 14 Contents: and title of section

mAdjusting the Heat!Cool

Differential ............................. 14.2

=Adjusting the Cycles .........

Per Hour. ................................. 14.3 .........;;_'"Sect/on contents

mAdjusting the Deadband .......... 14.4 _/J_......

mAdjusting the Minutes of

Run-Time Before the

Next Stage ............................... 14.6 _

=Selecting 2nd Stage Turn Visible section tab

Off Temperature ..................... 14.7 on the side of the

page

,_,"'J"" ,,,,_Section and page #

Page 14.1

In addition, this manual also has an Index to help you find any inforn;ation

regarding this thermostat quickly

Page ii

Auto-Changeover: A mode in which the thermostat will turn on

the heating or cooling based on room temperature demand.

Configurable Output Jumper: Using jumpers on the thermostat

you can configure the MISC1, MISC2, and MISC3 terminals to

control humidification, dehumidification, 2nd stage cooling, and

3rd stage heating.

Cool Setpoint: The warmest temperature that the space should

rise to before cooling is turned on (without regards to

deadband).

Deadband: The number of degrees the thermostat will wait, once

setpoint has been reached, before energizing heating or cooling.

Dehumidify: To reduce the amount of moisture in the air.

Differential: The forced temperature difference between the

heat setpoint and the cool setpoint.

Heat Setpoint: The coolest temperature that the space should

drop to before heating is turned on (without regards to

deadband).

Humidify: To increase the amount of moisture in the air.

Icon: The word or symbol that appears on the thermostat

display.

Mode: The current operating condition of the thermostat (i.e. Off,

Heat, Cool, Auto, Program On).

Non-Programmable Thermostat: A thermostat that does not

have the capability of running the Time Period Programming.

Programmable Thermostat: A thermostat that has the capability

of running the Time Period Programming.

Temperature Swing: Same as Deadband.

Time Period Programming: A program that allows the

thermostat to automatically adjust the heat setpoint and/or the

cool setpoint based on the time of day.

Page iii

,_ _'_ I[[I]

I_"

Page iv

Section 1 Contents:

=Setting the Clock and Day. .......... 1.2

aSelecting the Heat or Cool

Mode ............................................ 1.3

mSelecting Your Desired

Temperature ................................ 1.4

mUsing the Fan Button ................... 1.4

Note: Following the instructions in this section will allow you to

operate your thermostat using the factory default settings. These

settings are depicted in the illustrations throughout this manual.

P_el.I

Press the MODE and

@® ._M,D,.yoottoos_

at the same time

Setting theCbck saUDon.

le,oo_,o f

Setting the Day '"....

DuringSetup&Programming:

PressingtheUPorDOWN

buttonswillmodifytheflashing

To adjust the

Clock or Day use

Press the MODE

and HUMIDITY

buttons at the

same time to

return to normal

operation.

Page 1.2

Sele_'ng the Heat or Cool Mode

Select Mode by Pressing the MODE Button

,,_Heating Only I_ ;u u _ _

The HEATse#ing indicates/he I

temperature the room has to [

reach before the furnace will

turn On to heat the room,

Cooling Only I,'i _;

The COOL setting indicates the [

temperature the room has to [

reach before the air conditioner

w turn on to COO the room,

Heating or Cooling [ _i;I; _ _.....

AUTO will autor'hatically select

heat or cool based on room AUTO

temperature demand,

Time Schedule for _PI¢_

Heating or Cooling _17;_-_- _Y_ProgramOn

ProgramOnwil/ac_/vafethe _ ' _ccupied _

stored timer operation for the

heating and cooling

setpoints. [occupied or _ _

unoccupied periods)

Off s,_

OFF Indicates both heating

and air conditioning

systems are turned ell

HEAT

CO P....

Press

HEAT

I__I)_i Press

-151 ....@

COOL

uOJ p....

MObE @

Page 1.3

Selecting Your Desired Temperature

(a4;us_dg thesetpoints)

AUTO OR PROGRAM MODE

Pressing the UP or DOWN buttons inAuto or Program mode

will adjust both the heat and cool set temperatures

simultaneously. Adjust the desired

_7,C,] set temperature with the

c°°L /

HEAT

C_3

ui-q buttons.

HEAT OR COOL MODE

Pressing the UP or DOWN buttons in Heat or Cool mode will

adjust only the heat or cool set temperature.

Adjust the desired

set temperature with the

buttons.

Using the FanButton

A 0

FanOn

Press

Fan On indicates constant fan operation.

If Fan On is selected the fan willrun

continuously at all times, except in Off,

and will only run if thereis a heating or

cooling demand in Unoccupied periods.

Pressing the FANbutton toggles this

feature onor off.

Page 1.4

Section 2 Contents:

=Front Panel Buttons ..................... 2.2

mDisplay Features ........................... 2.3

Page 2. I

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