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User Manual

Comfort System™

T-21-P Touchscreen Thermostat

Version 1.40

Summary of Contents for Comfort System T-21-P

Page 1: ...User Manual Comfort System T 21 P Touchscreen Thermostat Version 1 40...

Page 2: ...ive specifications and in a safe manner Due to ongoing product improvements Jackson Systems reserves the right to change the specification of the T 21 P thermostat or its components without notice All...

Page 3: ...unction is prohibited or the setpoint limit has been reached Battery Shown when battery needs to be replaced Flt Filter Optional filter reminder alternates with the current time Reset by touching both...

Page 4: ...y controls cooling When cooling system is running flashes Thermostat controls both heating and cooling or will flash when equipment is running Emergency heat for heat pump systems should the compresso...

Page 5: ...etpoints for all five days of the week If the Programmable Fan option is ON you may also program the fan operation for each scheduled event E Mon Tue Wed Thu Fri Touch the Program box again and the st...

Page 6: ...x again and the Morning Cool Set temperature will appear and flash Use the UP and DOWN arrows to change the cooling setpoint Repeat the same steps for the Day Evening and Night programs After the Nigh...

Page 7: ...6 00 PM 70 75 Night 10 00 PM 10 00 PM 62 78 Residential 5 2 Day FactoryDefault Schedule RESIDENTIAL 7 DAY PROGRAMMING MODE Setting the clock Touch the clock on the display The day of the week will fla...

Page 8: ...y controls cooling When cooling system is running flashes Thermostat controls both heating and cooling or will flash when equipment is running Emergency heat for heat pump systems should the compresso...

Page 9: ...cooling setpoints for each day of the week If the Programmable Fan option is ON you may also program the fan operation for each scheduled event E Mon Touch the Program box again and the start time fo...

Page 10: ...the Morning Cool Set temperature will appear and flash Use the UP and DOWN arrows to change the cooling setpoint Repeat the same steps for the Day Evening and Night programs After the Night Cool Set t...

Page 11: ...pied to the additional days selected Touch the Program key again and programming will commence with the next non scheduled day which in the example would be Thursday E Mon Tue Wed To skip the copy fea...

Page 12: ...sume normal operation E E Heat Heat Set PM Day E Mode selection The T 21 P can control both heating and cooling Touch the Mode box to cycle through and select available modes Based on equipment and th...

Page 13: ...hen the thermostat is Off Heat Heat Set PM Day E Programming 2 daily events 7 Day or 5 2 Schedule Program Touch and hold the box until the UP and DOWN arrows along with the flashing days of the week a...

Page 14: ...ogrammed Commercial Default Schedule Start Time Set Temperature Schedule 7 Days Per Week Heating Cooling Day 6 00 AM 70 75 Night 10 00 PM 62 83 MANUAL MODE When the T 21 P is configured for manual mod...

Page 15: ...es above the space temperature or the cooling temperature a few degrees below the space temperature Heat or Cool should flash confirming that the thermostat is calling The thermostat has a 4 minute eq...

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