TOTALINE P374-2300FM Owner'S Manual Download

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OWNER'S MANUAL

P/N P374-2300FM

Programmable

Digital Thermostat

Mounts Flush to the Wall
7 Day Programmable
3 Occupied, 1 Unoccupied
Auto Changeover
Large, Easy To Read Display
Thermoglow Backlight
Remote Sensor Ready
Dry Contact Equipped
Energy Saving Smart Fan
Fan Purge, IAQ Feature
Includes Locking Cover

Replacement Components Division Carrier Corporation 11/98

1 For All

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

Both Commercial & Residential

Meets California Title 24

TOTALINE

OOL

EAT

AUTO

I2:00

Summary of Contents for P374-2300FM

Page 1: ...Sensor Ready Dry Contact Equipped Energy Saving Smart Fan Fan Purge IAQ Feature Includes Locking Cover Replacement Components Division Carrier Corporation 11 98 1 For All Use with most Air Conditioning Heating Systems including 1 or 2 Stage Electric Cooling Gas Heating Heat Pump Electric or Hydronic Heat Both Commercial Residential Meets California Title 24 TOTALINE 72 74 70 Am COOL HEAT AUTO Mo I...

Page 2: ...noccupied ADVANCED SETUP 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 P374 2300FM 2 3 5 6 8 12 17 23 Replacement Components Division Carrier Corporation 11 98 ...

Page 3: ...Front Panel Page 2 Liquid Crystal Display with Thermoglow Up Down Buttons Mode Button Override Button Heat or Cool Indicator Heat Red Cool Green Temperature Sensor Bubble 1 2 3 4 5 6 1 3 5 2 4 6 ...

Page 4: ...AM ON indicates the stored program is enabled to run Page 6 Clock with Day of the Week Indicates the current time and day This clock is also used to program the timer periods Page 5 Room Temperature Display Indicates the current room temperature Desired Set Temperature Indicates desired room temperature s Page 7 Display Page 3 1 2 1 5 1 3 6 7 10 9 8 4 4 11 1 1 88 88 88 unoccupied Program Fan On Se...

Page 5: ...cates constant continuous fan operation When Fan On is not lit indicates the fan will only operate when necessary to heat or to cool Page 12 Service Filter Indication Service Filter indicates when the filter should be serviced under normal conditions Appears after 0 1950 hours of blower operation adjustable Page 14 Locked Indication Locked appears after the right combination of buttons are pressed...

Page 6: ...l operation Quick Start Set the Clock and Go Page 5 The thermostat is preprogrammed from the factory to operate 1 or 2 Stage equipment without the need for further programming To optimize the installation of this thermostat follow the instructions in the Advanced Setup section The thermostat is not preprogrammed from the factory to operate electric heat or heat pump systems To control these system...

Page 7: ...s both heating and air conditioning systems are turned off AUTO will automatically select heat or cool based on room temperature demand Program On will activate the stored timer operation occupied unoccupied periods Select Mode Basic Operation Page 6 Press Press Press Press 70 69 Pm HEAT Mo I2 00 70 72 Pm COOL Mo I2 00 70 72 69 Pm COOL HEAT AUTO Mo I2 00 70 73 70 unoccupied ProgramOn Pm COOL HEAT ...

Page 8: ...mporarily With each successive push of the Override button the override timer will add 30 minutes until the maximum of 4 hours is reached Then the next press will zero out the override timer returning to unoccupied if there are no further button presses When in Override the Override icon and the Occupied 1 icon appear on the display The time of day clock alternates with the time remaining in overr...

Page 9: ...riod programming Continued Select the maximum of occupied periods to be used on any one day Typically 1 1 2 or 3 Adjust the cooling setpoint for occupied 1 Adjust the cooling setpoint for unoccupied periods Adjust the heating setpoint for occupied 1 35 99 35 99 35 99 MODE MODE MODE MODE MODE Occupied 1 74 Occupied COOL 1 74 72 Occupied COOL HEAT 1 85 unoccupied COOL ...

Page 10: ...occupied periods 35 99 Select the day for Occupied 1 Adjust the stop time for occupied 1 Select Occupied 1 to run on this day On or not to run this day Off Adjust the start time for occupied 1 M S Off On MODE MODE MODE MODE 55 unoccupied HEAT Occupied Mo 1 Occupied Am Start Mo 1 7 00 Occupied Pm Stop Mo 1 6 00 Occupied ON Mo 1 ...

Page 11: ...mode will copy the previous day s program and then will ask the same copy question again If yes is selected each time this routine will repeat until Saturday is copied to Sunday After Saturday is copied to Sunday the copy command is unavailable The copy command becomes available after the maximum of occupied periods are programed in a day This example uses 1 as the maximum occupied periods ever pr...

Page 12: ...ming steps are skipped Heat Cool setpoints for Occupied 1 are the same for every day of the week Heat Cool setpoints for Occupied 2 3 can be adjusted differently for each day of the week if desired If the start time is set later in the day than the stop time the program will run from the start time to midnight and from midnight to the stop time on the same day For example 9 00pm start 8 00am stop ...

Page 13: ...he Mode button While holding the Mode press the Override button for 5 seconds to enter Setup screens NOTE Each step is located at the top right corner of the display for easy reference Fan On Fan Auto On Off Tip To change hours quickly press and hold the override button in and press the up or down buttons OVERRIDE MODE MODE MODE MODE MODE I Am Setup I2 00 2 Setup Mo 3 Fan AUTO Setup Hp 4 OFF Setup...

Page 14: ...t On or Off Step 6 only appears if heat pump is off in step 4 Adjust the minimum difference between cooling heating setpoints Select the cycles per hour limit d cycles per hour limit defeated d1 d defeat 5 min Compressor lockout Adjust the deadband from 1 6 degrees 0 6 d d1 2 6 B On Off O 81f MODE MODE MODE MODE MODE 0 5 Setup Eh 6 OFF Setup 2 7 Setup 88 2 8 COOL HEAT Setup 6 9 Cy Setup ...

Page 15: ... before the Service Filter icon appears on the display 0 off Select the unit ID for Soft Start This is used in multiple installs to stagger equipment turn on times 0 off Each 30 second delay Reset the Service Filter counter to 0 to remove the icon from the display 0 1950 0 99 On Off Press OVERRIDE MODE MODE MODE MODE MODE Pu I0 Setup 0 00 L I I i ON Setup I2 Service Filter Setup 0 I3 Service Filte...

Page 16: ...es Select the sensor type Yes Outside or Duct sensor No Automatic Detection of Remote Sensor Adjust the maximum allowable heat setpoint when security is in effect Step 18 only appears if step 17 is not 0 35 99 Press To view Outside or Duct temperature press and hold Mode 2 seconds min The thermostat will not control to Outside or Duct Sensors Continued MODE MODE MODE MODE F I5 Setup I6 Setup No O ...

Page 17: ...ay of the week Sun Sat Monday 3 Fan operation Auto On Auto 4 Heat Pump Off On Off 5 Reversing Valve polarity O B O 6 Electric Heat Off On Off 7 Deadband or Temperature swing 1 6 2 8 Forced minimum difference heat cool 0 6 2 9 Cycles per hour d d1 2 6 6 10 Fan Purge timer 0 00 3 00 0 00 11 Thermoglow backlight Off On On 12 Reset Service Filter icon 13 Service Filter run time set 0 1950 500 14 Soft ...

Page 18: ...ol setpoints will not be allowed to come any closer to each other than the value set in Advanced Setup step 8 on page 13 This minimum difference is enforced during Auto changeover operation and Program On ENERGY SAVING SMART FAN If Fan On is selected page 12 step 3 the fan will run continuously at all times except in Off and will only run if there is a heating or cooling demand in Unoccupied perio...

Page 19: ...ntrol the fan this feature should be off is only electric immediately gas furnaces unless the heater EMERGENCY HEAT Is a feature available to Heat Pump installations To turn on Emergency Heat press in the Override button While holding the Override button press the Up button for 2 seconds The Cool setpoint display will read EH During Emergency Heat the thermostat will turn on the fan and the 2nd st...

Page 20: ...activated device to force 1 or more Occupied 1 For the Dry Contact to work must be in Program On Set Occupied 1 days so the Contact closure will be in is forced into Occupied 1 closure the icon Occupied 1 will blink to device or a thermostats into the thermostat to Off for all 7 control When the thermostat via the Dry Contact Press all 3 for Keypad Lockout To unlock the buttons again press and hol...

Page 21: ... to select the number of days the thermostat will be in mode 0 Off To exit Holiday setup the Mode button Holiday press The thermostat will enter the Holiday mode when the clock crosses midnight During Holiday mode Unoccupied setpoints are enforced The Override button is active during Holiday mode It will override to Occupied 1 settings up to 4 hours then return to Holiday mode The Dry Contact Swit...

Page 22: ... adjustable range is unhampered When adjusting any Auto mode including programming Occupied and Unoccupied periods the thermostat will not allow the Heat setpoint to get closer to the Cool setpoint than the value programmed as the minimum difference in step 8 page 13 When entering the Auto mode from Cool the Heat and Cool setpoints will remain spread apart by the amount that they were adjusted pri...

Page 23: ... to either 2 00 or 4 00 Subsequent button presses will not wraparound as the Override button on the thermostat does so the 2nd or button press will set the runtime to 4 00 The feature has no effect on the external Override The wired Remote Sensor is connected to the up to 500 of 20 ga or 300 of 18 ga See the Remote Sensor instructions for further details greater Locked button thermostat with therm...

Page 24: ...LL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL 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 repla...

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