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¢_
OK
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

_m
,_ _'_ I[[I]
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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
Su
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