SZ1051 photo
Programmable 365-Day Modulating Thermostat

SZ1051

· 2 stages for heating and/or cooling, 1 Modulating output for heating or cooling, and a 4-20 mA analog output for economizing
· 365-day time clock with one holiday schedule with automatic leap year and daylight savings correction
· Discharge air sensor input with high and low limits
· Discharge air heating low limit

pdf  Instructions      pdf  Submittal Data

Features

· Outdoor air sensor input with heating & cooling lockouts and economizer operation
· Stand-alone or network operation
· Adjustable delay on power-up and start-up for soft starts
· P+I control option on digital stages
· Smart Recovery
· 32 character LCD display
· 6 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
· 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 enthalpy switch input for economizer enable