User Manual

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
256 13 4
Setting and
operating elements
Legend
1 Operating mode selector
(OFF
, 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 normal operation and
energy saving mode
Fan control in normal operation and
in energy saving mode is tempera-
ture-independent
1)
2
Operating mode change-
over via external switch
Changeover between normal opera-
tion and energy saving mode
Changeover between normal opera-
tion and OFF
1)
1) Factory setting
Accessories
Description Type reference
Adapter plate 120 x 120 mm for 4“ x 4“ conduit boxes ARG70
Adapter plate 96 x 120 mm for 2“ x 4“ conduit boxes ARG70.1
Adapter plate for surface wiring 112x130 mm ARG70.2
4/8
Siemens Building Technologies Room temperature controller CE1N3026en
HVAC Products 12.06.2003