CompAir 5280D.1.IAC Operator's Handbook Manual page 116

App 408 Customer PET controller installation guide & user's manual
Page 20
2.5 Safety
The unit complies with "class I equipment" in which protection against electric shocks relies on accessible
conductive parts that are connected to the protective earthing-conductor in the fixed wiring of the
installation, in such a way that they can not become live in the event of a failure of the basic insulation.
If the controller is not earthed and the controller relays are used to switch circuits with voltage
!
of 42.4V peak and more, electrocution of people could happen.
If one of the circuits connected with the controller have voltages of 42.2V peak or more, the unit is classified
as "class III equipment". Although in this situation safety earth is not needed, it is still necessary to earth the
unit to fulfil the electromagnetic compatibility demands.
The housings on both controllers must be earthed at all times using 6mm terminals.
CompAir disclaims any warranty in a case an unauthorized person has opened the module.
2.6 Power supply
The power supply connector is indicated on the back cover with X03.
The controller requires a 2 off 24VAC / 25VA power supplies.
Important note:
DO NOT GROUND THE 24VAC SECONDARY WINDINGS OF THE TRANSFORMERS.
DOING SO WILL CAUSE SEVERE DAMAGE !!! THE 24VAC SECONDARY WINDING
!
DOES NOT NEED TO BE GROUNDED (See EN 60420-1 Safety of machinery part 1
general requirements – IEC 204-1:1992 modified.)
To make sure both the two-pins power supply connector X03 and the two-pins communication
connector X06 cannot be interchanged. The supply cable connector must be equipped with two
polarization keys as shown below. + ve to Pin 1
The interchanging of the supply and communication connectors will severely damage the
unit. Therefore the use of polarization keys is compulsory
App 408C
Service settings
Hours to next service
Diagnostics
Test digital inputs
Test digital outputs
Test analogue inputs
Display test
Keyboard test
Input configuration
Analogue calibration
Analogue configuration
Digital configuration
Polarization keys for Phoenix-like cable connectors
Entry code = 12
Digital output test
Digital input test
Analogue input test
Calibrate inputs
Configure analogue inputs
Configure digital inputs
98155.1015