Insulation Resistance Test - Grundfos SE Service Instructions Manual

16. Insulation resistance test

Insulation resistance must be measured between common phase wires and the protecting earth (grounding) wire.
in case of DOL: U+V+W - PE
1
U
Test duration
Test voltage
Test voltage upper limit
Test voltage lower limit
Voltage unit
Minimum resistance
Maximum resistance
Resistance unit
96
2
3
V W
3~
60 [s] TEST_ISOTEST_DURATION_S
1000 TEST_ISOTEST_VOLTAGE_SETPOINT
980 TEST_ISOTEST_VOLTAGE_TOL_MAX
1020 TEST_ISOTEST_VOLTAGE_TOL_MIN
V TEST_ISOTEST_VOLTAGE_UNIT
1000 TEST_ISOTEST_RESIST_TOL_MIN
20000 TEST_ISOTEST_RESIST_TOL_MAX
MΩ TEST_ISOTEST_RESISTANCE_UNIT
in case of Y/D: U1+U2+V1+V2+W1+W2 - PE
1 2 3
U1 V1 W1
3~
6
W2
5
V2
4
U2