Suburban Mfg REGAL INTENSIVE CARE UNIT 12019-01-NGFREP - Manual (Page 102)

90 SSCI - Suburban Surgical Company, Inc.
Chapter 5 - Repairs & Replacements
Installation
1. Connect the white and black wires from
the spiral cord of the new oxygen sensor
to Terminal 2 on the meter (Figure 102).
2. Connect the two white wires from the new
spiral cord to Terminal 1 on the meter.
3. With a new wire tie, secure the wire from
the spiral cord to the same wire on
Terminal 3.
4. If you are using a new fuel cell, remove the
dark red shorting button (refer to the
instructions packed with the fuel cell). Figure 102. Wiring Diagram of Oxygen
Sensor-to-Meter Connections
Terminal 1 Terminal 2
White White Black White
Spiral Cord
Note: Watch the oxygen concentration meter as you perform
Step 5. The calibration needle moves to the right, then settles down.
5. Place the fuel cell into the oxygen sensor. The end of
the fuel cell with the metal disk goes in first.
6. Gently, screw the sensor end cap back on. Be careful, the
threads are very fine and are easily damaged.
7. Insert the oxygen sensor/fuel cell into the wall.
8. Close and secure the electronics compartment door.
9. Using the calibration knob, position the calibration needle
in the oxygen concentration meter to 20.5%.
10. When you are finished working with the fuel cell, wash
your hands thoroughly.
New Style Units Removal
1. Open the electronics compartment (refer to Page 57).
2. Open the filter/fans compartment (refer to Page 58).
3. In the filter/fans compartment, pull the oxygen sensor out of the
large black plastic mounting ring.