TCS SZ1018 Modulating Zone Thermostat

TCS SZ1018 Modulating Zone Thermostat

TCS SZ1024 Heat Pump Thermostats

TCS SZ1024 Heat Pump Thermostats

TCS SZ1022 Programmable 7-Day Thermostat

7-Day Conventional Programmable Thermostat control of fan and 2 heat and 2 cool stages + selectable 5th stage as heat or cool
Availability: In stock


The SZ1020 Series has a 7-day time clock. The SZ1022 is designed to control conventional heating and cooling. The SZ1024 is designed to control heat pumps and can be converted to conventional mode in programming.

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) Max. Load Resistance (analog output): 600Ω Common mode rejection: 100 db @ 60 Hz Power consumption: 8 VA max.

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