Siemens 125-1957 Manual del usuario - Página 14

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APOGEE Unit Vent Controller
24 V-AC
E
C
COMMON
24 VAC HOT
CONTROLLER POWER WIRING
NOTE: NO EARTH GROUND CONNECTION
Figure 2. Power Wiring.

Controller LED Indicators

The controller has eleven Light Emitting Diode (LED) indicators. See Figure 1. Table 2 lists
the type, the abbreviation on the controller, and the indication of each LED.
LED Type
DO
Receive
Transmit
Basic Sanity Test
*Some LED labels and numerals may be hidden by the controller cover.

Temperature Sensors

Temperature sensors used with the Unit Vent Controller—0 to 10V Output include an
electronic room, mixed air or discharge air temperature sensor.
Room Temperature Sensor
The Terminal Equipment Controller room temperature sensor connects to the controller by
means of a cable pre-terminated at both ends with a 6-conductor RJ-11 plug-in connector.
See Figure 1 for the location of the room temperature sensor/Man-Machine Interface (MMI)
port.
4
⎯
0 to 10V Output Owner's Manual
DO 1 DO 2 DO 3 DO 4 DO 5
NO C NO C NO C NO C NO C NO
H
1 2 3 4 5 6 7 8 9 10 11 1
1 2 3 4 5 6 7 8 9 10 11 12
Label
(if present)*
LED 1 to
LED 8
RX
TX
BST
(SHIELD)
(+)
Figure 3. Communication Wiring.
Table 2. Controller LEDS.
LED
Number
1 to 8
Indicates the ON/OFF status of the
DO associated with it. A glowing LED
indicates that the DO is energized.
9
Indicates, when flashing, that the controller is
receiving information from the field panel.
10
Indicates, when flashing, that the controller is
transmitting information to the field panel.
11
Indicates, when flashing ON and OFF once
per second, that the controller is functioning
property.
Siemens Building Technologies, Inc.
FLN TRUNK
+ -
S
(SHIELD)
(-)
(-)
(+)
Indication