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TCS SZ1018 Modulating Zone Thermostat

Modulating Zone Thermostat w/Reheat, used with Superzone commercial zoning system
Availability: In stock


The SZ1018 are specifically designed for the Superzone Commercial Zoning System (Superzone CZS). The SZ1018 have a 7-day time clock and is designed for applications with modulating zone damper and reheat or peripheral heat.

Features and benefits

• Stand-alone or network operation • 7-day time clock • Discharge air sensor input with high and low limits and reset • Outdoor air sensor input with heating & cooling lockout • Offers up to two stages for heating and/or cooling and the outputs for zone damper and reheat • Adjustable delay on powerup for soft starts • P+I control option • Smart Recovery • No backup battery required • Built-in HVAC equipment protection • 32 character LCD display • Six LEDs for status monitoring • Remote room sensing capability • User setpoint adjustment limits • Local and remote override capability • System and fan switching with access lockouts • 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 • Digital or analog changeover



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) 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): 600Ω Common mode rejection: 100 db @ 60 Hz Power consumption: 8 VA max.

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