1. Test stand for CO 2 accumulator electric heaters Maciej Ostręga10.12.2014

2. Status Test stand description document releasedTest stand description document released Test stand for CO2 accumulator electric heater.docx (DFS)Test stand for CO2 accumulator electric heater.docx (DFS) Excel database for measurements releasedExcel database for measurements released Accumulator electric heater - DATA.xlsx (DFS)Accumulator electric heater - DATA.xlsx (DFS) Test stand under constructionTest stand under construction New heaters ordered (delivery -January)New heaters ordered (delivery -January)

3. Test stand

4. Designed by Tomasz Kucharski

5. Test stand - under construction

7. Test procedure electrical measurements heating with cooling (setpoint high) no heating with cooling (setpoint -40 °C) more details: (DFS) …/PROJECTS/ Accumulator_Heaters_Teststand/DOCUMENTS/ Test stand for CO2 accumulator electric heater.docx Accumulator electric heater - DATA.xlsx

8. Electrical measurements resistance of the heater insulation resistance earth leakage current more details: (DFS) …/PROJECTS/ Accumulator_Heaters_Teststand/DOCUMENTS/ Test stand for CO2 accumulator electric heater.docx Accumulator electric heater - DATA.xlsx Calculated EH resistance [Ω] Measured EH resistance [Ω] Insulation resistance [MΩ] Comments Calculated earth leakage current at 230VMeasured earth leakage current Voltage during the measurements [V] Calculated insulation resistance [MΩ] Test voltage >>50V100V250V500V1000V[mA][uA][mA][uA] 52.952.8 L/PE----11000over the measurement range ( >11 GΩ) 2.09091E-050.021 - 230.010952.381 N/PE----11000over the measurement range ( >11 GΩ) 2.09091E-050.021 30.000-230.00.008

9. TODO electrical and mechanical assembly chiller filling (C 6 F 14 )