Eppendorf Galaxy Gas Analyzer - Manual (Page 12)

Galaxy® CO2 Sensor Setup — Instructions
12
13. Route the tube from the Auto-Zero Pump “Out” (see Pump diagram at the bottom of Page 7)
to the bottom barb of the Solenoid Valve shown in the image above.
NOTE: Air flow must follow the direction of flow arrows on Auto-Zero Pump and CO
2
Solenoid
Valve.
Air Flow: Hepa filter..Air In….Auto-Zero pump..Air In / Air Out…….CO
2
Solenoid Valve…..Air
In / Air Out…..CO
2
Sensor Assembly…Air In.
NOTE: If the elbow becomes loose when fitting tube, it must be resealed with elbow secured
in direction shown. If the elbow becomes loose, the integrity of the CO
2
upgrade may be
compromised.
14. Cut the old Pump tubing in line with the glass fiber insulation and trim the CO
2
Sensor wiring
harness in line with the glass fibre insulation and strip and twist 7 mm from the end.
15. Connect the existing wiring harness to the CO
2
Sensor connecting block (as shown on top left
and right-hand image, page 13). Ensure you have stripped 7 mm of insulation from the
existing harness wires and twisted the strands before connecting them.
NOTE: Green on the existing harness connects to Brown on the new CO
2
Sensor assembly
harness.
1
Galaxy 170 R / 48 R 120 V / 230 V CO
2
Inc
ubators