User Manual

6/10
Siemens Room temperature controller CE1N3022en
Building Technologies 2017-11-14
Mechanical design
The unit consists of two parts:
∂ A plastic housing which accommodates the electronics, the operating elements and
the built-in room temperature sensor
∂ A mounting base
The housing engages in the mounting base and snaps on.
The base carries the screw terminals; the DIP switches are located at the rear of the
housing.
3021Z01
2 5 6 13 4
1. Operating mode selector
(standby, heating or cooling mode with manual selection of fan speed)
2 LEDs for indicating heating mode, cooling mode and fan operation
3 Setting facility for minimum setpoint limitation (in increments of 1 K)
4 Setting facility for maximum setpoint limitation (in increments of 1 K)
5 Room temperature setpoint knob
6 Set of DIP switches
DIP switch no. Meaning Position ON Position OFF
1 Fan control Fan control is temperature-
dependent in all operating
modes
Fan control in normal operation is tem-
perature-independent
1)
2 Operating mode change-
over via an external switch
Changeover between normal
operation and energy saving
mode
Changeover between normal operation
and standby
1)
3 Operating action of switch
for external operating
mode changeover
Changeover activated when
contact of switch is closed
(N.O.)
1)
Changeover activated when contact of
switch is open (N.C.)
4 Standby Frost protection function not
enabled
Frost protection function enabled
1)
5 Switching differential 1 K in heating mode
1)
0.5 K in cooing mode
1)
4 K in heating mode
2 K in cooling mode
6 Dead zone in normal op-
eration
2 K
1)
5 K
7 Setpoint differential 2 K
1)
4 K
8 Electrical heater Active in cooling mode
1)
Inactive in cooling mode
1) Factory setting
Setting and operating
elements
Legend