The TCS/Basys Controls SZ1020N Series thermostats feature a 7-day time clock and are specifically designed to connect to the Johnson Controls N2 bus. The SZ1022N is designed to control conventional heating and air conditioning. The SZ1024N is designed to control heat pumps.
The SZ1022N and SZ1024N features:
Environmental
Electrical
Microprocessor-based room thermostats shall have a built in keypad and display for programming and scheduling, and utilize a 7-day time clock with two setback intervals per day. Thermostats shall be of the low voltage type.
Thermostats shall have a limited temporary setpoint adjustment, definable in programming, and a local override button with remote override capability. The status of all inputs and outputs shall be monitored locally through the use of the keypad and display. Thermostats shall support discharge air temperature high and low limits, fan proving, and be able to monitor filter status. An adjustable delay on power up shall be available for soft start of systems on power loss. Thermostats shall support a setpoint shift feature in which a digital input is used to shift the heating setpoint down and the cooling setpoint up by an adjustable amount. All system and fan switching shall be done through the microprocessor and must allow for disabling. The ability to edit operating control parameters shall be password protected via a user-definable security access code. The thermostat housing shall be off-white or white and mounted 60″ above the finished floor. The keypad, unoccupied override and RS485 communications jacks shall be accessible, without requiring the removal of the housing. Thermostats must support non-volatile memory, so that in the event of power loss, all programmed operating parameters shall be unaffected without the use of battery backup. All control functions shall continue in the event of a communications failure.
Thermostats shall provide both remote and local communications in accordance with EIA RS485 standards. All firmware communications protocol and command codes shall support and provide compatibility with the Johnson Controls N2 bus. Room thermostats shall be model SZ1020N series as manufactured by TCS/Basys Controls.
SZ1020 Series Accessories
SZ1020N Series
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