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7. Plug in the new Harness. The T1/T2 and T4 connections will
rotate into place. To avoid damaging the wire, twist each of
these wires in the opposite direction to provide some slack
before slipping the washer on and rotating the connection
into place.
8. Reinstall the Chiller Pump.
9. Use the provided insulation material to seal the connection
between the sensor and the tank.
10. Perform a calibration (see Chapter 9).
Fig. 8-54 Tank Temperature Sensor Harness
Fig. 8-55 Tank Temperature Sensor Harness in place.
8.18 Replacing Manifold Harness
Tools and supplies required:
• 9/16” wrench
• small flat blade screwdriver
• 7/16” wrench or nut driver
1. Remove internal components from the Chiller frame and
separate them into two sections (Steps 8.6, 8.7, or 8.8).
2. Using the 9/16” wrench or nut driver, loosen and remove the two
bolts that connect the Manifold to the brass frame
3. Using small flat blade screwdriver, pop open the two clamps
connecting the tubing to the Manifold, opening the clamp closest
to the metal frame first.
4. The Manifold Harness connects to three Solenoids (FV - Fill
Valve, BV - Bypass Valve, and VV - Vent Valve); 1 Thermistor
and 1 Pressure Transducer. Medivance ships replacement
Manifold Harnesses complete with the three valve stems and
the T3 thermistor.
5. Using the 9/16” wrench, disconnect the Manifold Harness from
the solenoids by removing the nut on each solenoid.
Use a screwdriver to prevent the stem of the valve from rotating
during removal.
6. Using the 7/16” wrench, unscrew and remove the thermistor.
7. Disconnect the pressure transducer.
8. When reinstalling the Manifold Harness, note that there are
labels on the harness identifying the solenoids (FV, BV, VV).
If the solenoids are not in the proper position as shown, the
device will not work properly (Fig. 8-59).
9. Perform a calibration (see Chapter 9).
Fig. 8-56 Manifold Harness (shown with protective caps)
Fig. 8-57 Remove bolts (Step 2)
Thermistor
Valve Stems
