Carrier P/N 33CSSN2-MH Owner's Manual

OWNER'S MANUAL

P/N 33CSSN2-MH

Digital Thermostat

Designed specifically for the Lodging Industry

Use with most Air Conditioning & Heating Systems
including: 1 or 2 Stage Electric Cooling & Gas Heating,
Heat Pump, Electric, PTAC or Hydronic Heat.

Displays Setpoint, Only
Easy, Pushbutton Control
Adjustable Setpoint Limits

FAN AUTO

72

TO SET, PRESS OR

FAN

F / C

For Fan Coil Applications: Auto Changeover is available in 4 pipe configuration,

*

or in 2 pipe systems with Electric Heat, or when used with 33CSWCO-FC
accessory, auto changeover sensor.

F

WARMERCOOLER

Large, Easy To Read Display
Multi Fan Speed Control
Heating / Cooling
Auto Changeover

*

Commercial Systems & Services Carrier Corporation 9/00

Carrier

Table Of Contents

FRONT PANEL
DISPLAY
BASIC OPERATION
ADVANCED SETUP
EQUIPMENT SETUP TABLE
ABOUT ADVANCED OPERATION
WARRANTY

CAUTION

Follow Installation Instructions before proceeding.

SET THERMOSTAT TO MODE “OFF” PRIOR TO

CHANGING SETTINGS IN SETUP OR RESTORING

FACTORY DEFAULTS.

Commercial Systems & Services Carrier Corporation 9/00

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3

4

5
8
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P/N 33CSSN2-MH

Page 1

Front Panel - Normal Display

1

4

3

1

FAN AUTO

72

TO SET, PRESS OR

F / C

FAN

F

WARMERCOOLER

Liquid Crystal Display

2

2

Up/Down Buttons

3

F / C Button

4

Fan Button

Page 2

Display

6

5

2

1

Desired Set Temperature

ROOM TEMP

ON

COOLING
HEATING

FAN ON
FAN AUTO
FAN LOW
FAN MED

88

FAN HIGH

TO SET, PRESS OR

CYCLES/HOUR

OFF MINMAX SETPOINT

DEADBAND

EQUIPMENT TYPE #

FAN PURGE

8

Indicates desired room temperature.

2

Fan Operation Indication - Up to 3 Speeds
When FAN AUTO is displayed, the fan speeds
will increase or decrease based on
temperature demand.

3

Setup Indication
Indicates the thermostat is in the Advanced
Setup mode. These icons indicate the
parameter to be adjusted. (Displayed in
Setup mode only)

4

Degrees F or C Indication
Indicates if the setpoint readout is in Fahrenheit
or Centigrade.

5

Cooling or Heating Indicators

6

Indicates that the Diagnostic Mode is active.

3

1

4

Page 3

Basic Operation

Select Desired Temperature

FAN AUTO

70

TO SET PRESS, OR

f

In any mode, adjust the

desired Set Temperature

with

buttons.

Fan Operation

FAN ON
FAN AUTO
FAN LOW
FAN MED
FAN HIGH

On, Auto, Low, Medium & High speed fan indicators.

When Fan Auto is displayed, the fan speeds
will increase or decrease based on
temperature demand.

For configurations with a single speed fan, pressing FAN will toggle
operation between Fan On and Fan Auto.

The example below illustrates a 3 speed fan system. Your system
may not have 3 fan speeds, so it may vary from this example.

Press Press Press Press Press

FAN FAN FAN FAN FAN

Press

FAN

LOW SPEED MED SPEED HIGH SPEEDAUTOOFF

Page 4

Advanced Setup I

Note: Set the thermostat to ‘OFF’ mode before adjusting settings.

Press

FAN

Press the Fan button
for 5 seconds to enter
these Setup screens.

Adjusting Setpoint Limits

NOTE: Each step’s description is
located at
corner of the
easy reference.

the top right

display for

Adjust the default
temperature when the
unit is powered up or
turned on.

(60 - 85)

Default = 72 degrees

Adjust the minimum
temperature limit.

(60 - 85)

Default = 67 degrees

Adjust the maximum
temperature limit.

(60 - 85)

Default = 80 degrees

Note: The user may select any desired temperature
between 60 and 85 degrees. However, the thermostat
will not attempt to cool or heat the room beyond the
minimum or maximum setpoint limits.

SETPOINT

72

TO SET PRESS, OR

MIN SETPOINT

67

TO SET PRESS, OR

MAX SETPOINT

80

TO SET PRESS, OR

Press

FAN

Press

FAN

To exit setup

screens:

Press

F / C

Page 5

Advanced Setup II

INSTALLATION

Note: Set the thermostat to ‘OFF’ mode before adjusting settings.

FAN

Press the Fan button
for 10 seconds to enter
these Setup screens.

NOTE: Each step’s description is

located at
corner of the
easy reference.

the top right

display for

This step only appears in compressor equipped systems.

Select the cycles per
hour limit.
d=cycles per hour
limit defeated.

(d, 2 - 6)

Default = 6 cycles / hour

Adjust the deadband
from 1 - 6 degrees F.

Deadband is the difference
between Room temperature
& setpoint before the
equipment will turn on.

Default = 2 degrees

Adjust the minimum
temperature setpoint
that is used when the
thermostat indicates OFF.
Heat will come on when the
temperature falls below this
setpoint.

Default = 60 degrees

The purpose of d1 is to allow the installing technician
to override the thermostats 5 minute compressor lockout.
After installation is complete this setting should be set between
d and 6 cycles per hour.

This feature prevents rooms from getting to hot or too cold
when heating or cooling is turned off.

CYCLES/HOUR

6

TO SET PRESS, OR

DEADBAND

TO SET PRESS, OR

TO SET PRESS, OR

2

OFF MIN SETPOINT

60

Continued

Press

FAN

Press

FAN

Press

FAN

Page 6

Advanced Setup II (continued)

Continued from prior page.

Adjust the maximum
temperature setpoint
that is used when the
thermostat indicates OFF.
Cooling will come on when
the temperature rises
above this setpoint.

Default = 85 degrees

Adjust the length of time
the fan will continue to
run after the temperature
is satisfied. (To purge
the system)

(0-90 seconds, in 15
second increments)

Default = 30 seconds

Select the type of equipment
this thermostat is connected
to, from the table on the
next page.

This feature prevents rooms from getting to hot or too cold
when heating or cooling is turned off.

OFF MAX SETPOINT

85

TO SET PRESS, OR

30

TO SET PRESS, OR

i

TO SET PRESS, OR

FAN PURGE

EQUIPMENT TYPE #

INSTALLATION

Press

FAN

Press

FAN

To exit setup

screens:

Press

F / C

Page 7

Advanced Setup

INSTALLATION

Equipment Setup Table

1

4 pipe fan coil, 3 speed fan

2

1 stage PTAC, 2nd stage strip heat, 1 speed fan, B reversing valve

3

1 stage PTAC, 2nd stage strip heat, 2 speed fan, B reversing valve
1 stage PTAC, 1 speed fan, B reversing valve

4

1 stage PTAC, 2 speed fan, B reversing valve

5

1 stage PTAC, 3 speed fan, B reversing valve

6

1 stage PTAC, 1 speed fan, O reversing valve

7

1 stage PTAC, 2 speed fan, O reversing valve

8

1 stage PTAC, 3 speed fan, O reversing valve

9

1 stage PTAC, 2nd stage strip heat, 1 speed fan, O reversing valve

10

1 stage PTAC, 2nd stage strip heat, 2 speed fan, O reversing valve

11

A/C, strip heater, 1 speed fan

12

A/C, strip heater, 2 speed fan

13

A/C, strip heater, 3 speed fan

14

A/C, gas, 1 speed fan

15

4 pipe fan coil, 1 speed fan

16

4 pipe fan coil, 2 speed fan

17

2 pipe fan coil, 1 speed fan, H2O changeover sensor required

18

2 pipe fan coil, 2 speed fan, H2O changeover sensor required

19

2 pipe fan coil, 3 speed fan, H2O changeover sensor required

20

Climate Master with a CXM Control Board

21

Climate Master with a DXM Control Board

22

2 pipe fan coil, 3 speed fan, IEC

23

4 pipe fan coil, 3 speed fan, IEC

24

2 pipe fan coil, 1 speed fan, part-time auxillary heat

25

2 pipe fan coil, 2 speed fan, part-time auxillary heat

26
27

2 pipe fan coil, 3 speed fan, part-time auxillary heat

28

2 pipe fan coil, 1 speed fan, part-time auxillary heat, IEC

29

2 pipe fan coil, 2 speed fan, part-time auxillary heat, IEC

30

2 pipe fan coil, 3 speed fan, part-time auxillary heat, IEC
Carrier PTAC, 1 speed fan, B reversing valve, Special

31

4 pipe fan coil modified to a 2 stage heat or cool only, 3 speed fan

32

Select the type of equipment this thermostat is connected

to, from the table above.

Page 8

About Advanced Features & Operation

DIAGNOSTIC MODE - Press and hold the F / C button for

5 seconds to enter diagnostic mode. Once active, the
main display will alternately show the setpoint and then
the room temperature for 2 second intervals.
Exit the diagnostic mode by pressing F / C again or
turning the thermostat off.

FACTORY DEFAULTS - If, for any reason it is desirable to
return all stored settings back to the factory default
settings, press the Fan button. While holding the Fan
button in, press the Down button for 2 sec. All icons will
appear. Press and hold in the F / C button until Fd
appears. This resets all factory settings, except for the
equipment type.

TO CALIBRATE

ROOM TEMPERATURE - To calibrate the
room temperature display, press and hold the Fan button.
While holding the fan button in, press and hold in the
Down button for 2 seconds. All icons will appear on the
display. Release the Fan button. Press the Fan button
once more.
At this point use the Up and Down buttons to calibrate
room temperature, if needed. Press the Fan button to
return to normal operation.

Page 9

Warranty

One-Year Warranty - This Product is warranted to be free from defects in material and
workmanship. If it appears within one year from the date of original installation, whether or not
actual use begins on that date, that the product does not meet this warranty, a new or
remanufactured part, at the manufacturer’s sole option, to replace any defective part will be
provided without charge for the part itself; PROVIDED the defective part is returned to the
distributor through a qualified servicing dealer.

THIS WARRANTY DOES NOT INCLUDE LABOR OR OTHER COSTS incurred for diagnosing,
repairing, removing, installing, shipping, servicing or handling of either defective parts or
replacement parts. Such costs may be covered by a separate warranty provided by the installer.

THIS WARRANTY APPLIES ONLY TO PRODUCTS IN THEIR ORIGINAL INSTALLATION
LOCATION AND BECOMES VOID UPON REINSTALLATION.

LIMITATIONS OF WARRANTIES – ALL IMPLIED WARRANTIES (INCLUDING IMPLIED
WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY) ARE
HEREBY LIMITED IN DURATION TOT THE PERIOD FOR WHICH THE LIMITED WARRANTY
IS GIVEN. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS, SO THE ABOVE MAY NOT APPLY TO YOU. THE EXPRESSED
WARRANTIES MADE IN THIS WARRANTY ARE EXCLUSIVE AND MANY NOT BE ALTERED,
ENLARGED, OR CHANGED BY ANY DISTRIBUTOR, DEALER, OR OTHER PERSON
WHATSOEVER.

ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING
NORMAL WORKING HOURS. AL REPLACEMENT PARTS, WHETHER NEW OR
REMANUFACTURED, ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING
TIME PERIOD OF THIS WARRANTY.

THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR:

1. Normal maintenance as outlined in the installation and servicing instructions or owners
manual including filter cleaning and/or replacement and lubrication.

2. Damage or repairs required as a consequence of faulty installation, misapplication, abuse,
improper servicing, unauthorized alteration or improper operation.

3. Failure to start due to voltage conditions, blown fuses, open circuit breakers or other
damages due to the inadequacy or interruption of electrical service.

4. Damage as a result of floods, winds, fires, lightning, accidents, corrosive environments or
other conditions beyond the control of the Manufacturer.

5. Parts not supplied or designated by the Manufacturer, or damages resulting from their use.

6. Manufacturer products installed outside the continental U.S.A., Alaska, Hawaii, and
Canada.

7. Electricity or fuel costs or increases in electricity or fuel costs from any reason whatsoever
including additional or unusual use of supplemental electric heat.

8. ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY OR COMMERCIAL
DAMAGE OF ANY NATURE WHATSOEVER. Some states do not allow the exclusion of
incidental or consequential damages, so the above may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which may vary
form state to state.

Page 10

P/N 88-334