Thermo Fisher Scientific Alpha COND 1000 - Manual (Page 38)

Operating Instructions Thermo Scientific Alpha COND 1000
30
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 Selects the input voltage 220 VAC.
JP 2 Selects the input voltage 110 VAC.
JP 6 Selects the temperature sensor for Pt1000/Pt100
Fuse Note that there is a fuse (slow-blow 100mA) internal to the
controller. Replace fuse with the recommended type only.
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.
View from the top of Main PCB
F
ro
n
t
R
e
a
r
1 1
0
V
A
C
JP2
2
3
0
V
A
C
JP1
Fuse
View from the front of the Analog PCB
JP6
JP6
B A A - Pt100
B - Pt1000
Analog PCB