Led Signals - Honeywell AQS51-KAM Product Data

AQS51/61-KAM COMBINED CO
START UP
After connected to a 24Vac power supply, the unit is ready
for operation.
1. Select on the AQS61-KAM the needed display indication
by short-circuiting the MENU zigzag trace with a
screwdriver, default setting is ppm and °C alternating.
If operational parameters different from from the standard
values like converting range or special ventilation
strategies are required, use a PC and the Service Software
AQS-USP22 for this purpose.
2. Using the ABC-function, recalibration of the unit is required
only after 5 years of operation.
OPERATION MODE AQS61-KAM
This sensor has two zigzag traces, MENU and ENTER, on
the printed circuit board (see Fig. 4), which are only
accessible after removing the cover.
The zigzag trace MENU is available for selection of the
indicated value. The function is as follows:
Zigzag Trace
Display selector –
Short-circuiting of the MENU zigzag
trace toggles between the following
indication sequence (rotation principle):
1. °C and ppm alternating
MENU
2. Error code
3. CO
4. Temperature in °C
5. OUT1 value % full scale
6. OUT2 value % full scale
To access the maintenance level short at level 5.(OUT1
value) ENTER-MENU- ENTER in sequence. The
maintenance mode is restricted to competent trained service
personnel only. For detailed information see the Service &
Checkout Instruction EN2B-0461GE02.
LED - Signals
The standard sensor has two different LED's, yellow and red
located below the semi-transparent LCD display. The LED's
indicate the status of the device as shown in the table below.
LED
Maintenance LED -
Steady ON in cases, if an error flag is set. On
the AQS61-KAM this is indicated in addition on
the display by a wrench icon.
yellow
By connecting a PC to the serial port or
selection of the error code display mode on the
AQS61-KAM the source of the problem can be
defined (see error code list).
Relay Status LED -
Steady ON, if relay is activated (contact
CM-NC open, CM-NO closed).
If the relay output is not used for any control
purpose, its trigger point can be programmed
for other tasks, e. g. indication by the red LED
red
of dangerous gas level has been reached.
-/TEMPERATURE DUCT SENSOR/CONTROLLER
2
Function/Remarks
- concentration in ppm
2
Function/Remarks
Another option is to indicate that the analog
output control range has been exceeded, any
or both outputs have reached 100% output
value.
7 EN0B-1023 GE02R0700