Saia-Burgess Controls AG
Manual for PCD7.L6xx room operator units
│
Document 26
-859
E
NG07 │ 2015-06-04
3
Digital room controller units
3-13
3.1.6 Technical data for PCD7.L660 / PCD7.L661 (versions SV1.5 and SV6.1)
RJ 9
IR
Receiver
yellow
green
red
black
PCD7.L670
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
Terminal
Description
Serial bus
RC
The
infrared receivers PCD7.L661
is connected directly
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.
Funktions
Function
Description
Sensor
The room temperature sensor (range 0…40 °C) is inte
-
grated into the control unit.
Set-point setting
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
keys can be used to adjust the set-point
in steps. After approx. 20 seconds, the display returns to
the default view.
