
Instruction Manual αlpha-pH2000D
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11 APPENDICES
11.1 Appendix 1 – Unit fuse and jumper settings
Caution! Before opening the unit to replace the unit fuse or to set the jumper for
NTC 300 / Pt 100 / Pt 1000 temperature sensor, make sure the mains cable is
separated from the power supply.
View from both PCBA side
Alpha pH/DO2000W New
Main Rev 0.2
lpha pH/DO20000W New Main Rev 0.2
0.2
part No.: 84X368202
Jumper J11, J12 &J16 (on main board)
Factory setting: NPC300
Fuse 250V,
315 mA,
Time Delay
Jumper J11, J12 &J16 (shading area)
Factory setting: NPC300
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