Siemens Building Technologies
Basic Documentation REA22
Issue 2.0
CE1P2276E / 31.03.1999
Landis & Stefa Division
Summary
5/30
1 Summary
1.1 Brief
description
•
Mains-independent room temperature controller featuring straightforward operation
and an easy-to-read display
•
Self-learning two-position controller providing PID control (patented)
•
Choice of three different 24-hour operating modes and one 7-day mode including in-
dividually adjustable 24-hour modes
•
Control of cooling equipment
1.2 Features
•
PID
control
•
Self-learning or adjustable switching cycle time
•
7-day time switch
•
Pre-selected 24-hour operating modes
•
Override
button
•
Reset function
•
Sensor
calibration
•
Setting
check
•
Holiday mode (1…99 days)
•
Cooling
function
•
Frost
protection
function
•
Minimum limitation of setpoint
•
Pump
kick
•
Optimum start control in the morning (P.1)
