User Manual

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Siemens Building Technologies Room temperature controller CE1N3025en
HVAC Products 12.06.2003
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
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 temperature-
independent
1)
2 Operating mode change-
over via external switch
Changeover between normal
operation and energy saving
mode
Changeover between normal operation
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
Setting and operating
elements