Verifying the Installation ECA 86 Instruction
VI.BA.V1.02 © Danfoss 05/01
BC-HM
8
Verifying the Installation
1. Check that actual temperature values from all sensors connected to the ECA 86
module are displayed.
2. Set the maximum temperature limit well below the actual temperature reading from
sensor S7. Verify that an alarm is generated within a period of 38 seconds (there is
a 28 second delay before the new maximum temperature limit is effective, after this
the alarm is generated within 10 seconds).
If you are experiencing trouble, refer to the section “Error Conditions” below.
When all is functioning properly, set the maximum temperature limit as required, and
place the ECL Card with the yellow side facing you, ready for normal operation.
Error Conditions
This section provides support for locating and correcting error conditions that may arise
after the installation of the ECA 86 module.
Module Not Functioning
If the ECA 86 module is not properly installed or the module itself should prove faulty,
no temperature values will be displayed (display shows – – in line C, 1, 2 and 3 for cir-
cuit II). The maximum temperature limit
will
be displayed because the default value is
read from the ECL Card.
To correct this error, you should check the connection of the system device bus to the
ECA 86 module (see page 5):
• Is one of the cables disconnected?
• Have the cables been switched?
Sensor Error
A temperature sensor error may be caused by:
•
A disconnected sensor. The corresponding display will show – –.
• A short-circuited sensor. The corresponding display will show – – –.
To locate the cause of the error, check the following:
• Are the cables of the sensor in question connected correctly?
• Do the cables show any sign of damage?
•
Is the error caused by a malfunctioning Pt 1000 sensor? Try replacing the sensor to
see whether the error condition persists.
Note:
If Sensor S7 is disconnected or short-circuited, an alarm is generated. It is possible to
disable the alarm by setting the maximum temperature limit to 110 °C.
BC-HM
VI.BA.V1.02 © Danfoss 05/01 1
087R9593
087R9593
ECA 86 Temperature Alarm
Module for ECL Comfort 300
Instruction
About this Instruction
This instruction is for the ECA 86 Temperature
Alarm Module for ECL Comfort 300. The instruc-
tion is valid from:
• ECL Comfort 300
Hardware version 1.08
Application C66, card version CI 08
• ECA 86 Temperature Alarm Module
Hardware version 1.00
Software version 1.00.
The instruction provides an introduction to the ECA 86 Temperature Alarm Module,
instructions for installing and operating the module, as well as a brief section about
different error conditions that may occur.
Further information about the ECL Comfort 300 is available in the ECL Comfort User’s
Guide for the relevant application.
Contents
About the ECA 86...............................2
General.................................................2
Functionality .........................................2
I/O Configuration ..................................3
Installation...........................................3
Requirements.......................................3
Hardware Installation ...........................4
Installing the Module........................4
Cabling..............................................5
Software Installation.............................6
New ECL Comfort............................6
ECL Comfort Already in Use ...........6
Operation .............................................7
Reading Temperatures.........................7
Setting the Maximum Temperature......7
Disabling Alarms...................................7
Verifying the Installation....................8
Error Conditions .................................8
Module Not Functioning........................8
Sensor Error..........................................8