User Manual

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Siemens Room temperature controller CE1N3022en
Building Technologies 2017-11-14
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
Engineering notes
In system without automatic changeover, the temperature sensor can be replaced by
an external switch for manual changeover.
In system with continuous heating operation, no sensor will be connected to the control-
ler’s input.
With continuous cooling operation, the controller input (B2–M) must be bridged.
Mounting location: on a wall or inside the fan coil unit. Not in niches or bookshelves, not
behind curtains, above or near heat sources and not exposed to direct solar radiation.
Mounting height is about 1.5 m above the floor. The connecting wires can be run to the
controller from a recessed conduit box.
Check the settings of the DIL switches no.1 through no.8 and change them, if required.
It setpoint limitation is required, use the minimum and maximum limitation facility (en-
ergy saver).
After applying power, the controller makes a reset during which the fan LED flashes
indicating that the reset has been correctly made. This takes about 3 seconds. Then,
the LED stops flashing and the controller will be ready to operate.
∂ Prior to fitting the changeover sensor, thermal conductive paste must be applied to
the location on the pipe where the sensor placed
∂ The cables used must satisfy the insulation requirements with regard to mains poten-
tial
∂ Sensor inputs B1–M and B2–M carry mains potential. If the sensor’s cables must be
extended, the cables used must be suited for mains voltage
Warning!
No internal line protection for supply lines to external consumers
(Q1, Q2, Q3, Y11, Y12, Y21)
Risk of fire and injury due to short-circuits!
∂ Adapt the line diameters as per local regulations to the rated value of the installed
overcurrent protection device.
The controller is supplied with Mounting Instructions.
Mounting, installation
and commissioning
notes