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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. 

Commercial Systems & Services      Carrier Corporation 9/00

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.

Displays Setpoint, Only
Easy, Pushbutton Control
Adjustable Setpoint Limits
Large, Easy To Read Display
Multi Fan Speed Control
Heating / Cooling
           Auto Changeover 
  

 

WARMER

COOLER

F / C

FAN

FAN AUTO

TO SET, PRESS        OR

72

Carrier

Summary of Contents for P/N 33CSSN2-MH

Page 1: ...cial Systems Services Carrier Corporation 9 00 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 Displays Setpoint Only Easy Pushbutton Control Adjustable Setpoint Limits Large Easy To Read Display Multi Fan Speed Control Heating Cooling Auto Changeover WARMER COOLER F...

Page 2: ...UP TABLE ABOUT ADVANCED OPERATION WARRANTY Page 1 CAUTION Follow Installation Instructions before proceeding SET THERMOSTAT TO MODE OFF PRIOR TO CHANGING SETTINGS IN SETUP OR RESTORING FACTORY DEFAULTS P N 33CSSN2 MH 2 3 4 5 8 9 11 Commercial Systems Services Carrier Corporation 9 00 ...

Page 3: ...Front Panel Normal Display Page 2 Liquid Crystal Display Up Down Buttons F C Button Fan Button 1 2 3 4 2 4 3 1 WARMER COOLER F C FAN FAN AUTO TO SET PRESS OR F 72 ...

Page 4: ...n the Advanced Setup mode These icons indicate the parameter to be adjusted Displayed in Setup mode only Degrees F or C Indication Indicates if the setpoint readout is in Fahrenheit or Centigrade Cooling or Heating Indicators Indicates that the Diagnostic Mode is active Display Page 3 FAN AUTO FAN ON FAN LOW FAN MED FAN HIGH TO SET PRESS OR CYCLES HOUR COOLING HEATING ON DEADBAND OFF MINMAX SETPOI...

Page 5: ...rease 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 FAN Press Press Press Press Press FAN FAN FAN FAN FAN LOW SPEED MED SPEED HIGH SPEED AUTO OFF FAN AUTO FAN ON FAN LOW FAN MED FAN HI...

Page 6: ...e Fan button for 5 seconds to enter these Setup screens Note Set the thermostat to OFF mode before adjusting settings FAN FAN NOTE Each step s description is located at corner of the easy reference the top right display for TO SET PRESS OR MIN SETPOINT SETPOINT 67 72 MAX SETPOINT 80 Press FAN Note The user may select any desired temperature between 60 and 85 degrees However the thermostat will not...

Page 7: ...degrees Default 60 degrees Adjust the deadband from 1 6 degrees F Deadband is the difference between Room temperature setpoint before the equipment will turn on This step only appears in compressor equipped systems CYCLES HOUR DEADBAND OFF MIN SETPOINT 6 2 60 Note Set the thermostat to OFF mode before adjusting settings Continued Page 6 TO SET PRESS OR TO SET PRESS OR TO SET PRESS OR The purpose o...

Page 8: ...ments FAN PURGE 30 TO SET PRESS OR Select the type of equipment this thermostat is connected to from the table on the next page EQUIPMENT TYPE i TO SET PRESS OR 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 OFF MAX SETPOINT 85 TO SET PRESS OR Press FAN This feature preven...

Page 9: ...heater 3 speed fan A C gas 1 speed fan 4 pipe fan coil 1 speed fan 4 pipe fan coil 2 speed fan 2 pipe fan coil 1 speed fan H2O changeover sensor required 2 pipe fan coil 2 speed fan H2O changeover sensor required 2 pipe fan coil 3 speed fan H2O changeover sensor required Climate Master with a CXM Control Board Climate Master with a DXM Control Board 2 pipe fan coil 3 speed fan IEC 4 pipe fan coil ...

Page 10: ...ttings 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 At this point use the Up and Down buttons to calibrate room temperature if needed Press the Fan button to return to normal operation ROOM TEMPERATURE To calibra...

Page 11: ...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 a...

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