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Adjusting (optional)  night setback setting:                                                                   

Your Lightstat may come from the factory with a fixed night setback.  That means when your 

Lightstat thermostat is in the Setback mode, it will automatically set the heating/cooling back 

a predetermined number of degrees from the comfort slide setting.  If your model has setback 

options, there will be a night setback switch on the back or in the lower right hand corner of 

the thermostat.  Choosing less setback may be more comfortable, but will offer less energy 

conservation and savings.  See page 11 for more detail on DIP switch settings and setback 

features.    

Note: 

 When the green setback light goes on, the display will briefly flash showing the night 

setback temperature.  When the green setback light turns off, the display will flash showing the 

comfort slide setting temperature.  

Some thermostats may be equipped with a “slide sensitive” setback.  (refer to model spe-

cific features to know if your thermostat has this functionality). If the temperature slide is not 

moved for an  amount of time specified by the customer (and preprogrammed at the factory), 

then the thermostat is in setback.  To bring the thermostat out of setback, simpley move the              

temperature slide.  

Note:

  Typically, moving the temperature slide will show the current thermostat setpoint.  For 

slide sensitive setback models, the setback setpoint cannot be viewed on the dsiplay because 

touching the slide will bring the thermostat out of setback.  

Adjusting the temperature setting:

 

Flashing dot indicates time delay 

 

Note:

  There is a minimum run time of 

45 seconds

 once 

the heating/cooling turns on to prevent short cycling.  Once 

the heating/cooling turns off, it will remain off for at least             

45 seconds.  

 

Indicates a call for Heat or Cool 

 

 

 

Note:

  Any time the comfort slide is moved, the display will illuminate and the flashing  

 

number  indicates the current setpoint temperature.  

 

1.  

Make sure the system power is ON.

2.  

Move the thermostat power switch to the ON position.  

3.  

Adjust the comfort slide either up or down until the flashing number reaches the desired  

 

setting.

4.  

Once you have stopped moving the comfort slide the display will change from a flashing        

 

display to a steady display.  A steady display indicates actual room temperature.  

5.  

A steady dot in the upper right corner of the display will indicate if heating/cooling       

   

system is ON.   

 

 

4

Содержание TG Series

Страница 1: ...ot be changed by the user The unit requires no batteries and no programming or reset in the event of a power failure Optionally the Lightstat thermostat can set back the temperature based on light level in the space A dark space is considered unoccupied and will turn the heating and cooling setpoints back for better savings Thermostats described are available in Heat Cool TGHC and Heat Pump TGHP m...

Страница 2: ...nt electrical shock or equipment damage 3 Control voltage and current ratings must fall within the range outlined in specifications 4 Verify that the relay load does not exceed 1 amp Excessive load will damage the solid state switch Thermostat Placement Mount your thermostat vertically about 5 feet above the floor in an area that has good air circulation at average room temperature Be sure to loca...

Страница 3: ...come from the factory with fixed light sensitivity This means that under normal lighting the thermostat will heat cool your space to the comfort slide setting Under low light conditions the thermostat will set the temperature back A green setback light turns ON indicating the thermostat is in the Setback mode Adjusting optional light sensor 1 Open the thermostat cover and locate the green setback ...

Страница 4: ...programmed at the factory then the thermostat is in setback To bring the thermostat out of setback simpley move the temperature slide Note Typically moving the temperature slide will show the current thermostat setpoint For slide sensitive setback models the setback setpoint cannot be viewed on the dsiplay because touching the slide will bring the thermostat out of setback Adjusting the temperatur...

Страница 5: ...ition model one of 3 potential issues may occur 1 When not calling for heat the furnace falsely starts its heating cycle 2 When calling for heat the furnace is chattering or does not complete its heat cycle 3 The display goes blank at times If the installation exhibits any of these issues we recommend that you add a 200 ohm minimimum 20 watt resistor from any output terminal to the C common termin...

Страница 6: ...ge heat cool thermostat for heat pump applications This thermostat cannot be used on 1 Millivolt systems self generating systems that do not have a transformer or relay 2 Two transformer systems using RC and RH wires 3 DC voltage systems 4 Line voltage 120 VAC systems directly Note TGHP models do not have lock on lock off timers for backup heating Operation is strictly temperature dependent Note T...

Страница 7: ...t position On right position 1 Fahrenheit Celsius 2 45 Second Lockon lockoff Timers Active 45 Second Lockon lockoff Timers Inactive 3 Lesser setback number Greater setback number 4 Fan controlled by thermostat in heat mode Fan controlled by external device in heat mode 5 Fan locked in auto when in setback Fan on allowed when in set back 6 Backup Heat Operating Differential 1 5 F 0 8 C Backup Heat ...

Страница 8: ...s but the cooling does not come on some stats are heating only and this would not apply The room temperature is below the factory programmed limit of the thermostat Check again when the room temperture goes above the factory programmed limit Setback indicator stays ON or OFF 1 Improper light sensor adjustment 2 Thermostat location is not optimal 1 Adjust light sensor optional 2 Move thermostat if ...

Страница 9: ...erson or organization other than the seller to assume for us any other liability in connection with this product This warranty shall not apply to any product which has been subject to misuse negligence or accident nor to any product which has not been operated in accordance with the printed instructions The company shall not in any event be liable for any consequential damages secondary charges ex...

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