Danfoss Turbocor TT-300, Service Manual

Page: 127 / 132

127 of 132
M-SV-001-EN Rev.E
Appendix C Compressor Test Sheet
Component Test Point Expected Value
Verification
Section
Measured Value
Backplane DC Voltage 0V to 24V 22 to 26 VDC 3.10.2.2
0V to +15V 14.75 to 15.25 VDC 3.10.2.2
0V to -15V
-14.75 to -15.25
VDC
3.10.2.2
0V to 5V 4.75 to 5.25 VDC 3.10.2.2
HV- to HV+ 220 to 280 VDC 3.10.2.2
HV- to +17V 16.5 to 17.85 VDC 3.10.2.2
Cavity Temperature Sensor
Resist
Positive to Negative 10KΩ @ 77°F (25°C) 3.19.3
DC Bus Test Harness DC Bus 462-853VDC 1.9
DC Bus F 462-853VDC 1.9
15VAC 12 – 25VAC 1.9
DC/DC Resistance J1 open or >150kΩ 3.9.3.3
J2
Charging or
discharging Ω
3.9.3.4
J3
Charging or
discharging Ω
3.9.3.4
J4 >1MΩ 3.9.3.3
Front Bearing Feed Through
Resistance
TT300, TT400 C, E, & F/
TG230, & TG390:
1 to 2
2.7 to 25Ω 3.17.3
TT300, TT400 C, E, & F/
TG230, & TG390:
3 to 4
2.7 to 25Ω 3.17.3
TT350, TT400 P, TT500,
TT700, TG310, & TG520:
1 to 2
4.7 to 5.20 Ω 3.17.3
TT350, TT400 P, TT500,
TT700, TG310, & TG520:
3 to 4
4.7 to 5.20 Ω 3.17.3
Front Bearing Sensor Feed
Through
Resistance
5 to 2 2.0Ω to 3.5Ω 3.18.3
5 to 3 2.0Ω to 3.5Ω 3.18.3
6 to 7 2.0Ω to 3.5Ω 3.18.3
6 to 8 2.0Ω to 3.5Ω 3.18.3
1 to 4 2.0Ω to 3.5Ω 3.18.3
1 to 9 2.0Ω to 3.5Ω 3.18.3
Inverter Diode
Phase 1: + Lead on AC
Output to - DC input
Open 3.7.3
Phase 1: + Lead on AC
Output to + DC input
0.275v - 0.4v 3.7.3
Phase 2: + Lead on AC
Output to - DC input
Open 3.7.3
Phase 2: + Lead on AC
Output to + DC input
0.275v - 0.4v 3.7.3
Phase 3: + Lead on AC
Output to - DC input
Open 3.7.3
Phase 3: + Lead on AC
Output to +
DC input
0.275v - 0.4v 3.7.3
Phase 1: - Lead on AC
Output to - DC input
0.275v - 0.4v 3.7.3
Phase 1: - Lead on AC
Output to + DC input
Open 3.7.3