TCS SZ1062 Digital Fan Coil Thermostats

Description

The SZ1062 is a microprocessor based programmable digital fan coil controller

Features and benefits

• Stand-alone or network operation • P+I control option • 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 • Three speed fan • System and fan switching with access lockouts • External input for setback or aquastat changeover • Access to programming may be locked out or limited with the use of an access code • Fahrenheit or Celsius temperature display • Control for two or four pipe systems • 7-day programmable time clock • Optional pipe sensor inputs for changeover (SZ1062 only) • Adjustable delay on start-up and power-up for soft starts • Smart recovery (SZ1062 only) • Local and remote override capability • External time clock and override options • Auxiliary output for heat, cool or time clock (SZ1062 only)

Specifications

General

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

Environmental

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)

Electrical

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) Pipe Temp: 0 to 150°F(remote) Outputs: : 6 digital (SPST dry contact, 24VAC @ 2A max.) Common mode rejection: 100 db @ 60 Hz Power consumption: 8 VA max.