TCS SZ1051 Modulating Thermostats

TCS SZ1051 Modulating Thermostats

TCS SZ1062 Digital Fan Coil Thermostats

TCS SZ1062 Digital Fan Coil Thermostats

TCS SZ1053 Modulating Thermostats

365-Day Modulating Programmable Thermostat, fan 2 heat or cool stage 2 modulating valve outputs for heat or cool
Availability: In stock


The SZ1053 are microprocessor-based programmable thermostats designed to control air handling units with modulating economizers and/or modulating heating or cooling. The SZ1053 have a 365-day time clock

Features and benefits

• Stand-alone or network operation • Outdoor air sensor input with heating & cooling lockout • Adjustable delay on power-up and start-up for soft starts • P+I control option on digital stages • Smart Recovery • No battery backup required • Built-in HVAC equipment protection • 32 character LCD display • Six status LEDs for monitoring • Remote room sensing capability • User setpoint adjustment limits • Local and remote override capability • System and fan switching with access lockouts • Equipment monitoring inputs and indication • External time clock input • 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 Program Setting: 2 events per day with 7 days per week and 2 holiday schedules (12 periods of up to 99 days each) 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) Outdoor Air Temp: -40 to 160°F (remote) Discharge Air Temp: 0 to 150°F (remote) Outputs: : Four digital (SPST dry contact, 24 VAC @ 2 A), two 4-20 mA DC analog Max. Load Resistance (analog output): 600 Ω Common mode rejection: 100 db @ 60 Hz Power consumption: 8 VA max.

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