TCS SZ1022 Programmable 7-Day Thermostat

TCS SZ1022 Programmable 7-Day Thermostat

TCS SZ1031 Conventional Heating & Cooling

TCS SZ1031 Conventional Heating & Cooling Thermostats

TCS SZ1024 Heat Pump Thermostats

7-Day Heat Pump/Conv. Programmable Thermostat control of fan and 2 aux. heat and 2 stages comp control of reversing valve
Availability: In stock


The SZ1024 microprocessor-based programmable thermostats designed for heat pump applications. The SZ1024 features a 7-day time clock.

Features and benefits

• Stand-alone or network operation • 7-day time clock • Discharge air sensor input with high and low limits • Conventional model offers up to three heating and two cooling stages, or two heating and three cooling stages • Heat pump model offers two compressor stages, two auxiliary heat stages and a configurable reversing valve output • Adjustable delay on power-up and start-up for soft starts • P+I control option • Smart recovery • No battery backup required • Minimum on/off times for HVAC equipment protection • 32-character LCD display • Six status LEDs • Remote room sensing capability • User setpoint adjustment limits • Local override and remote override capability • System and fan switching with access lockouts • Auxiliary time clock output (economizers) • Fan interlock safety option • Filter service input and indication • Equipment monitoring inputs and indication • External time clock input • Energy management input for setpoint shift • Access to programming or schedule may be locked out or limited with the use of an access code • Fahrenheit or Celsius temperature display



Accuracy: +/- 0.5% Display resolution: +/-1°F (0.6°C) Display: 32-character LCD Programming: Front panel keypad or EIA RS485 interface Communications: RS485, half duplex Memory backup: Non-volatile EEPROM, no battery required Override: Programmable from 0 to 255 minutes


Operating temperature:32 to 131°F (0 to 55°C) Operating humidity: 0 to 100% RH, noncondensing Storage temperature: 14 to 140°F (-10 to 60°C)


Supply voltage: 24 VAC +/- 20% Inputs: Built-in and remote platinum RTDs, momentary override and three digital (dry contact) Range: Room Temp: 40 to 90°F (built-in or remote) Discharge Air Temp: 0 to 150°F (remote) Outputs: Seven digital (SPST dry contact, 24 VAC @ 2 A) Common mode rejection: 100 db @ 60 Hz Power consumption: 8 VA max.

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