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]
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

Front Panel
Backtit LCD Display Warmer Button
_ Cooler Button
(glows blue)
Heat or Cool Demand indicator Override
Red = Heat, Green = Cool Button
ometimes refer 1
led to as the
DOWN button
MODE HUMiDiTY FAN PROGRAM HOLIDAY
L........ J L....... °J
Page 2.2

Dis]£a 7 Features
O Mode indicators =Section 4
Ii'-O LCZ'a_C"OAmProgram On SetL
IO:O_,_ Pm StartStop
SuMoTuWeThFrSa DeHumidif'
Service Filter
UV Light
AUTO
OFFON
Unoccupie(
123
Override
FanOn $ $
Selects the operational mode of the equipment.
HEAT- indicates the heating mode.
COOL - indicates the air conditioning mode,
AUTO - indicates the system will automatically changeover
between heat and cool modes as the temperature varies.
OFF - indicates heating and cooling is turned off.
PROGRAM ON - indicates the time period program is enabled to
run.
O Clock with Day of the Week - Section 3
indicates the current time and day. This clock is also used to program
the timer periods.
I_ Room Temperature Display - Section 5
indicates the current room temperature and displays the outside
temperature when selected.
0 Desired Set Temperature - Section 4/5
indicates desired room temperature(s). Also displays the daily
highest and lowest outside temperatures.
_ Outside icon - Section 5
indicates the temperature displayed is from the optional outside
sensor. Page 2.3

Dis Feat.res
AUTO
OFFON
_ Unoccupie(
123
Override
FanOn
Le
O Occupied & icons - Section 6
Unoccupied
Indicates the program number: Occupied 1,2,3,or Unoccupied.
O Override icon Section 6
Indicates the program is currently being overridden for up to 4 hours.
_ Setup icon Sections 7_15
Indicates the thermostat is in the setup mode.
@Fan On icon - Section 7
Indicates constant, continuous fan operation. When Fan On is not
lit - indicates the fan wiII only operate when necessary to heat or to
cool
_) Service Filter icon - Section 15
Appears when the filter should be serviced under normal conditions.
Adjustable from 0 - 1950 hours of blower operation.
,_ icon_ Section 8
-indicates keypad has been locked.
_) StartStop icon - Section 6
Appears when programming occupied time periods.
Page 2.4

splay Feat.res
ll,=_. _t_=,'_An_ Program On
H._I: 0 I._l Prn_ Star[Stop
SuMoTuWeThFrSa DeHumidif'
Service Filter
UV Light
AUTO
OFFON
Override
FanOn
_) UV icon Section 11/15Light
Appears when the UV buEbshouEd be serviced under normat
conditions. AdjustabEe from 0 -1950 days of operation.
AuxHeat icon - Section 12
Indicates 2nd stage electric strip heat is being used when the
thermostat is programmed for Heat Pump operation.
Humidify/DeHumidify icon _ Sections 9-10
indicates the system is currently humidifying/dehumidifying the air.
_) Lo icon -Section 5
indicates the {owest recorded outside temperature for the day.
Hi icon Section 5
indicates the highest recorded outside temperature for the day.
Page 2.5

Section 3Contents:
iSetting the Clock .......................... 3.2
=Setting the Day. ............................ 3.2
Note: During setup & programming pressing the UP or DOWN
buttons will modify the flashing selection.
Page 3. I

Press the MODE and
at the same time
Setting the Cb_
SettingtheDay
DuringSetup&Programming:
PressingtheUPorDOWN
buttonswillmodifytheflashing
seledon.
To adjust the
Clock or Day use
Press
Press the MODE
and HUMIDITY
buttons at the
same time to
return to normal
operation.
Page 3.2

Section 4Contents:
aProgramming for Auto or
Program Operation .................... 4. 2
=Selecting the Proper
Opera ting Mode ......................... 4. 3
=Selecting Your Desired
Tempera ture ............................... 4.8
Note: During setup & programming pressing the UP or DOWN
buttons will modify the flashing selection
Page 4. I

Programmableor Non-Pro, ammable
Thermostat
When the very simplest operation is desired, this thermostat
may be configured to be non-programmable, with or without
Auto-Changeover. Follow the step below.
If 'NO' is selected, the thermostat will lockout the Program On screen;
only the ©ff, Heat, Cool, and Auto screens may be accessed by
pressing the MODE button.
Select 'YES' if you would like your thermostat to be programmable,
then the Program mode will be accessible through the use of the
MODE button.
Note: Press the MODE
button momentarily
MOD_ _ Press the MODE button. While holding to move through the
setup screens. Press
the MODE, press the PROGRAM and hold the MODE
PROeRAM (_button to enter _efun screens, button to move back-
wards through the
setup screens.
prc, ss
F'RO6_M 0
Press the PROGRAM button to leave the Setup screens. If no buttons are _
pressed, the display will leave the setup screens al_er 30 seconds.
Page 4.2

Manual or Auto-Changeover
Thermostat
When the very simplest operation is desired, this thermostat may
be configured to be a manual heat and cool thermostat, with or
without time period programmability. Follow the step below.
The thermostat may be programmed to function as a Heat Only or
Cool Only thermostat by selecting 'NO' in the setup screen below.
This will lockout the Auto-Changeover screen and only allow the Off,
Heat, Cool, and Program On screens to be accessed.
MeOE _ Press the MODE button. While holding
the MODE, press the PROGRAM Note: Press the MODE
_button momentarilyPReG_M button to enter Setup screens, to move through the
setup screens. Press
and hold the MODE
Press the MODEbutton retgeatedlv._ button to move back-
MODE until this setup screen appears.--- _ , setupwardsscreens.thr°ughthe
so,oo,¥es,,y.....,d
like the thermostat to
be Auto Changeover or
NO for a Heat Only and
Cool Only Thermostat
Press the PROGRAM button to leave the Setup screens. If no buttons ar9,_P _
pressed, the display will leave the setup screens after 30 seconds
Page 4.3

Operating Made when the Thermostat
is Configured to be:
NON-PRO®FLaMMABLE WITH MANUAL-CHANGEOVER- If the
thermostat is configured to be a non-programmable thermostat with
Manual-Changeover, the following screens witl be available by
pressing the MODE button.
Select the Mode by Pressing the MODE Button
Heating Only
The HEAT setting indicates the
temperature the room has to
reach before the furnace will
turn on to heat the room,
Cooling Only
The COOL setting indicates the
temperature the room has to
reach before the air conditioner
will turn on to cool the room,
Off
OFF indicates both heating
and air conditioning
systems are turned off,
Page 4.4