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> Lightstat programmable commercial thermostat tme-xxx
Lightstat programmable commercial thermostat tme-xxx
LightSTAT light sensitive automatic setback thermostat. Model TME-xxx. All units are brand new, never installed and come with installation and operation manual.
2 Amp relay switching of up to 6 HVAC loads
Automatic changeover from heating to cooling with a 5'F deadband between heating and cooling to prevent short cycling of equipment
System On/Off switch and fan switch for AUTO or ON fan operation
PRE-CONDITION feature to pre-heat or pre-cool the building prior to the lights going on at the start of the day.
Fan control settings for Heating to allow either thermostat controlled fan (typical of electrical heat) or a limit switch controlled fan (typical of gas heat).
Auxillary output options to permit the O/B output to be active with a call for Heat or Cool; for heat pump reversing valve.
Pre-condition all for conventional warm up using both the stages of heating or a warm up cycle the minimizes the use of backup heat for Heat Pump applications.
A1-A2 isolated dry contact outputs for night shutdown of dampers or equipment.
Light Sensitivity adjustment to permit operation in bright or dim areas .
Stages of Heat and Cool stagger ON.
Proportionaal plus integral control for accurate , even temperature control.
Factory set temperature Limits to prevent overheating or overcooling.
Field test button to cancel time delays for checkout in the field.
Minimum ON and OFF time delays for compressor protection.
Fan harvests energy from coils.
Uniterrupted pre-condition count for short occupancy period after setback.
Random restart after setback or power failure.
