11.4 Guidelines For Returning Unit For Repair; 12 Appendices; 12.1 Appendix 1 - Jumper Positions - EUTECH INSTRUMENTS ALPHA CON 1000 CONDUCTIVITY CONTROLLERTRANSMITTER (REVISION 3) Instruction Manual

Operating Instructions

11.4 Guidelines for Returning Unit for Repair

Use the original packaging material, if possible when shipping the unit for repair. Otherwise wrap it
with bubble pack and use a corrugated box for better protection. Include a brief description of any
faults suspected for the convenience of Customer Service Dept., if possible.

12 APPENDICES

ENSURE that the power cable is physically separated from the power
.
supply
12.1 Appendix 1 – Jumper Positions
Jumper Positions - Internal to the controller
JP 1
JP 2
JP 6
Fuse
JP6 On the Analog PCB:
Selects between Pt100 and Pt1000. To switch between Pt100 and Pt1000, use
tweezers or needle nose pliers to shift jumper from Position A to Position B.
JP2 JP1
Fuse
JP6
B A
View from the front of the Analog PCB
Selects the input voltage 220 VAC.
Selects the input voltage 110 VAC.
Selects the temperature sensor for Pt1000/Pt100
Note that there is a fuse (slow-blow 100mA) internal to the controller. Replace
fuse with the recommended type only.
View from the top of Main PCB
Analog PCB
JP6
A - Pt100
B - Pt1000
28
αlpha-CON1000