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Saia-Burgess Controls AG
3.1.6 Technical data for PCD7.L660 / PCD7.L661 (versions SV1.5 and SV6.1)
Mobile room control unit with infrared interface, temperature sensor, function keys
and display for HeaVAC functions, and light and shade functions. For operation with
the room controller, the PCD7.L661 infrared receiver is required.
Pin allocation
Interface
Serial bus
Funktions
Function
Sensor
Set-point setting
Manual for PCD7.L6xx room operator units │ D ocument 26-859 ENG07 │ 2 015-06-04
Terminal
Description
infrared receivers PCD7.L661
RC
The
to the room controller with the PCD7.L670 cable, or where
extension modules are used for light and shade, to the
last module. The PCD7.L670-xx connecting cable is pre-
configured at both ends and is either 10, 30 or 50 m long.
The maximum length between the room controller and the
room control unit must not exceed 50 m.
Description
The room temperature sensor (range 0...40 °C) is inte-
grated into the control unit.
The base set-point held in the room controller can be
increased or decreased in up to 3 steps using the room
control unit. The step size is stored in the room controller
configuration. See description of the associated configura-
tion parameters.
The function key is used to activate the set-point
setting. The display shows the temperature symbol
together with the number of steps.
The
and
in steps. After approx. 20 seconds, the display returns to
the default view.
Digital room controller units
IR
Receiver
RJ 9
PCD7.L670
is connected directly
keys can be used to adjust the set-point
3
3-13
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