White Rodgers 1F80-240 Thermostat User Manual
Contents
1. LOCKOUT BYPASS OPTION FOR QUALIFIED SERVICE TECHNICIANS USE ONLY OPERATORSSHOULDNOTUSE THISFEA TURE DUE TO POSSIBILITY OF EQUIPMENT OR PROPERTY DAMAGE OR PERSONAL INJURY COMPRESSOR SHORT TERM CYCLE PROTECTION During normal operation this thermostat has a built in short term 5 minute time delay During this 5 minute period the thermostat will lock out the compressor to allow head pressure to stabilize If you want to over ride this feature while testing thermostat operation simply press 5 and E buttons atthe same time with the SYSTEM switch in the OFF position DO NOT USE THE LOCKOUT BYPASS OPTION UNLESS THE COMPRESSOR OIL HEATERS HAVE BEEN OPERATIONAL FOR 6 HOURS AND THE SYSTEM HAS NOT BEEN OPERATIONAL FOR AT LEAST 5 MINUTES Before you begin using your thermostat you should be familiar with its features and with the display and the location and operation of the thermostat buttons Your thermostat consists of two parts the thermostat cover and the base To remove the cover gently pull it straight out from the base To replace the cover line up the cover with the base and press gently until the cover snaps onto the base THE THERMOSTAT BASE Other than A and al the following buttons and switches are located behind the door on the bottom of the thermostat cover see fig 6 Pull the door down to open it The Thermostat Buttons and Switches O Red arrow Raises temperature setting O Blue arrow Lowers te2. 1 Neutral TRANSFORMER Figure 3 Typical wiring diagram for single transformer systems The 24 Volt neutral connection to terminal C on the thermostat is not required if you replace Thermostat q y p Control Circuit the batteries once a year with fresh AA Energizer alkaline batteries THERMOSTAT SYSTEM CUT AND TAPE OFF Compressor Contactor Relay Stage 2 Stage 1 120 VAC Neutral TRANSFORMER Compressor Heat Contactor Relay Stage 1 Stage 2 Neutral TRANSFORMER TWO COMMONS MUST BE JUMPERED TOGETHER Figure 4 Typical wiring diagram for two transformer systems with NO safety circuits The 24 Volt neutral connection Thermostat 4 Control to terminal C on the thermostat ae is not required if you replace en the batteries once a year with fresh AA Energizer alkaline THERMOSTAT batteries SYSTEM Compressor Heat Contactor Relay Limit or Stage 2 Stage 1 Limit or Hot Safety Switches Switches N i 120 VAC Compressor Heat Neutral Contactor Relay Accessory HEATING Stage 1 Stage 2 Relay NO TRANSFORMER Common Limit or Limit or Safety Safety TWO COMMONS MUST Switches Switches Hot BE JUMPERED TOGETHER Common 120 VAC Neutral COOLING TRANSFORMER Figure 5 Typical wiring diagram for two transformer systems with safety circuits in BOTH systems If CHECK THERMOSTAT OPERATION at any time during testing your system does not operate properly contact a qua
3. WHITE RODGERS 1F83 51 Non Programmable Electronic Digital Multi Stage Thermostat INSTALLATION AND OPERATION INSTRUCTIONS Operator Save these instructions for future use FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND OR PROPERTY DAMAGE Your new White Rodgers Digital Multi stage Thermostat uses the technology of a solid state microcomputerto provide precise temperature control Features Simultaneous heat and cool program storage Optional C terminal dual power option Thisthermostatis intended for use with a 24 volt system do not use this thermostat with a millivolt or line voltage system Ifin doubt about whether your wiring is millivolt line or low voltage have it inspected by a qualified heating and air conditioning contractor or electrician Do not exceed the specification ratings Allwiring must conform to local and national electrical codes and ordinances This control is a precision instrument and should be handled carefully Rough handling or distorting components could cause the control to malfunction ELECTRICAL DATA Electrical Rating 20 to 30 VAC 50 60 Hz or D C 0 05 to 1 5 Amps Load per terminal 1 5 Amps Maximum Total Load All terminals combined THERMAL DATA Setpoint Temperature Range 45 F to 90 F 7 C to 32 C Operating Ambient Temperature Range 32 F to 105 F Operating Humidity Rang
4. all Mark mounting hole locations on the wall using the base as a template Move the base out of the way Drill mounting holes Fasten the base loosely to the wall as shown in fig 2 using two mounting screws Place a level againstthe bottom ofthe base adjust until level and then tighten the screws Level ing is for appearance only and will not affect thermostat operation If you are using existing mounting holes or ifthe holes drilled are too large and do not allow you to tighten the base snugly use plastic screw anchors to secure the base Check that the SYSTEM switch is in the OFF position Connect the wires beneath the terminal screws on the base using the appropriate wiring diagram see figs 3 through 5 Push excess wire into wall and plug hole with a fire resistant material such as fiberglass insulation to prevent drafts from affecting thermostat operation Instructions continue on page 4 The following wiring diagrams show typical terminal identifica Relay contacts shown are thermostatically operated tion and wiring For proper installation refer to the original manufacturer s instructions The 24 Volt neutral connection to terminal C on the thermostat Thermostat is not required if you replace the batteries once a year with fresh AA Energizer alkaline batteries Control Circuit THERMOSTAT SYSTEM Compressor Contactor Relay Stage 2 Stage 1 Compressor Contactor Stage
5. ay is frozen or displaying incorrectly the thermostat may have been affected by static discharge or voltage variations If this happens press the RESET button see fig 2 page 2 for the location of the button If pressing the RESET button does not correct the problem contact a qualified service technician For optimum performance we recommend replacing batteries once a year with fresh AA Energizer alkaline batteries
6. e 0 to 90 RH non condensing Shipping Temperature Range 40 F to 150 F MM WHITE RODGERS DIVISION EMERSON ELECTRIC CO 9797 REAVIS ROAD sMerson ST LOUIS MISSOURI 63123 5398 Printed in U S A DESCRIPTION LCD continuously displays room temperature e F C convertibility Temperature range 45 to 90 F Two stage heat two stage cool PRECAUTIONS To prevent electrical shock and or equipment damage disconnect electric power to system at main fuse or circuit breaker box until installation is complete Do not use on circuits exceeding specified voltage Higher voltage will damage control and could cause shock or fire hazard Do not short out terminals on gas valve or primary control to test Short or incorrect wiring will damage thermostat and could cause personal injury and or property damage SPECIFICATIONS APPLICATIONS For use with e Heat cool systems with up to two stages heat two stages cool DO NOT USE WITH e Millivolt systems e Systems exceeding 30 VAC and 1 5 amps e 3 wire zoned hydronic heating systems PART NO 37 5916C Replaces 37 5916B 0005 INSTALLATION REMOVE OLD THERMOSTAT 1 Shut off electricity at the main fuse box until installation is complete Ensure that electrical power is disconnected 2 Remove the front cover of the old thermostat With wires still attached remove wall plate from the wall If the old thermostat has a wall mounting plate remove the thermostat and
7. lified serviceperson WON 1 2 Fan Operation Turn on power to the system Move SYSTEM switch to OFF position Move FAN switch to ON The blower should begin to operate Move FAN switch to AUTO position The blower should stop within a short period of time Heating System Move SYSTEM switch to HEAT position Press H to adjust thermostat setting to 90 and hold for five seconds Both stages of the heating system should begin to operate within five seconds Press E to adjusttemperature setting below room tempera ture The auxiliary heating system will stop immediately and the first stage will stop within three to four minutes Cooling System To prevent compressor and or property damage ifthe outdoor temperature is below 50 F DO NOT operate the cooling system Move SYSTEM switch to COOL position Press E to adjustthermostat setting to 45 and hold for five seconds The blower should come on immediately on high speed followed by cold air circulation Both stages of the cooling system should begin to operate if you have a two stage cooling system If the fan is running but the compressor is not running and the display has CL flashing the compressor lockout feature is operating see Lockout Bypass Option to temporarily override the compressor lockout feature during testing Press A to adjusttemperature setting above room tempera ture The cooling system should stop operating
8. mperature setting 3 FAN switch ON AUTO 4 SYSTEM switch COOL OFF HEAT The Display HT is displayed when the SYSTEM switch is in the HEAT position When calling for the first stage of heat HT1 will display When calling for the second stage of heat HT1 2 will display CL is displayed non flashing when the SYS TEM switch is in the COOL position When calling for the first stage of cool CL1 will display When calling for the second stage of cool CL1 2 will display CL is displayed flashing when the compressor is in lockout mode Displays current temperature T LOW BATTERY is displayed when the 3 AA batteries are low and should be replaced Nothing else will be displayed Displays current setpoint temperature This is blank when SYSTEM switch is in the OFF position OPERATING FEATURES Now that you are familiar with the thermostat buttons and display read the following information to learn about the many features of the thermostat TEMPERATURE SETPOINT Press H or until the display shows the temperature you want SIMULTANEOUS HEATING COOLING STORAGE You can enter both your heating and cooling setpoints at the same time There is no need to reset the thermostat at the beginning of each season LOW BATTERY INDICATOR If the 3 AA alkaline batteries are low and should be replaced the display will be blank except for the word LOW BATTERY When the batteries are low pressing any bu
9. tem cycles on and off based on temperature change As shipped from the factory the thermostat will maintain a very consistent room temperature usually within 1 F of the thermostat setting To achieve a slower on and off cycle providing a slightly wider temperature span cut and separate jumper wire W901 BATTERY LOCATION This thermostat requires 3 AA alkaline batteries to operate Batteries are installed in the thermostat at the factory with a battery tag to prevent power drainage You must remove the battery tag to engage the batteries and provide power to the thermostat After batteries are engaged thermostat display and features may be viewed before installing thermostat If LOW BATTERY is displayed the batteries are low and should be replaced with fresh AA Energizer alkaline batteries To replace batteries install the batteries along the top of the base see fig 2 The batteries must be installed with the positive ends to the left W901 CUT FOR LONGER CYCLES GAS ELECTRIC Figure 1 Back of thermostat base Alkaline batteries 3 AA install ends to the left Reset button Mounting holes Figure 2 Thermostat base INSTALLING THE THERMOSTAT Gently remove the cover by pulling it straight off the base Forcing or prying on the unit may cause damage to the unit Pull wires through the hole in the thermostat base and place the base over the hole in the w
10. the wall mounting plate as an assembly 3 Identify each wire attached to the old thermostat using the labels enclosed with the new thermostat 4 Disconnect the wires from old thermostat one at a time DO NOT LET WIRES FALL BACK INTO THE WALL 5 Install new thermostat using the following procedures PRE INSTALLATION SET UP 1 Remove the packing material from the thermostat 2 This thermostat is configured from the factory to operate a heat cool fossil fuel gas oil etc forced air system with up to 2 stages of heat and 2 stages of cool It is configured correctly for any system that DOES NOT require the thermo stat to energize the fan on a call for heat If your system is an electric heat or heat pump system that REQUIRES the thermostat to turn on the fan on a call for heat locate the GAS ELECTRIC switch on the back of the thermostat see fig 1 and switch it to the ELECTRIC position This will allow the thermostat to energize the fan immediately on a call for heat If you are unsure if the heating cooling system requires the thermostat to control the fan contact a qualified heating and air conditioning service person 3 Ajumper is located on the back of the thermostat so that you may customize the thermostat to meet your individual pref erence see fig 1 In most applications the factory jumper setting provides the most comfortable and convenient ther mostat operation Jumper wire W901 determines how fast the sys
11. tton will cause the display to operate for ten seconds After ten seconds the display will be blank except for the word LOW BATTERY When the duration of a low battery condition exceeds four weeks the setpoint is altered by 10 degrees to signal that the batteries must be replaced OPERATION Ld 4 FANON AUTO SYSTEM I COOL QRF HEAT N AS EE HEAT 1 2 mr OFF QUA Figure 6 Thermostat display buttons and switches F C CONVERTIBILITY When the thermostat is in the temperature display adjustment mode or 30 seconds after power up pressing H and E atthe same time will switch the LCD temperature display between Fahrenheit and Celsius TEMPERATURE DISPLAY ADJUSTMENT Your new thermostat has been accurately setin ourfactory However if you wish you may adjust your new thermostat tempera ture display to match your old thermostat This can be accomplished within a 4 F range as follows 1 Move the SYSTEM switch to OFF position 2 Press and hold E and move the SYSTEM switch to HEAT or COOL Release E 3 Press A or to adjust the displayed temperature to your desired setting After setting your desired tempera ture do not press any buttons for ten seconds The thermostat will continue operating at the changed tem perature setting 4 Pressing the hardware RESET button see Fig 2 will return the offset to zero TROUBLESHOOTING If your thermostat s displ
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