4 Test and calibration
TRM, Centiva/5 Plus, M1047448/ CM-922026, rev. 3.50.a of 11/05
4-31
4.7.8 Battery charging
voltage calibration
The internal battery is recharged whenever the Centiva/5 Plus CC ventilator is
supplied by a main power supply (line power or 24 V DC external supply). To ensure
proper recharging of the sealed lead acid battery, the charger’s maximum voltage
needs to be adjusted whenever the battery is exchanged.
Perform the charging end voltage calibration by using an external voltmeter device.
To calibrate the maximum charging voltage:
1.
Ensure that the system is turned OFF and line power is disconnected.
2.
Open main engine according to section 7.2.4.
3.
Re-insert exp. valve assembly.
4.
Connect line power and gas supply and turn ON the system.
5.
Verify that the system performs the power-up test.
6.
Start the service mode according to section 4.3.
7.
Disconnect X 23, battery supply
connector, on main board.
8.
Connect the negative voltmeter lead to
ground at the electric mounting plate.
9.
Connect the positive voltmeter lead to
Pin 7 (+) on X23 on the main B board.
10.
Verify that the voltage is 26.8
±
0.1 V.
11.
If not, adjust R 215 until the voltmeter
displays 26.8
±
0.1 V.
Summary of Contents for Centiva/5 Plus
Page 1: ...GE Healthcare Centiva 5 Plus Technical Reference Manual ...
Page 14: ...1 Introduction TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 1 8 Notes ...
Page 20: ...2 Theory of operation TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 2 6 ...
Page 27: ...2 Theory of operation TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 2 13 ...
Page 30: ...2 Theory of operation TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 2 16 Notes ...
Page 34: ...3 Post service check out TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 3 4 Notes ...
Page 70: ...4 Test and calibration TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 4 36 Notes ...
Page 154: ...7 Repair procedures TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a 7 48 Notes ...
Page 181: ...9 Schematics and Diagrams TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 9 5 ...
Page 212: ...11 Optional accessories TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 11 6 Notes ...
Page 213: ...TRM Centiva 5 Plus M1047448 CM 922026 rev 3 50 a of 11 05 Notes ...