Priming the chiller

Priming the pump of your chiller is an important step to make sure there is no air in the pump that could prevent the unit from functioning properly.

Prime the pump in the following scenarios:

• On first use

• After the reservoir is emptied, and then filled

• If you notice any bubbling

• If the liquid flow is visibly impeded

To prime the pump, follow these steps:

1. Make sure the outlet port valve is closed.

2. Open the lid.

3. Fill the reservoir with the coolant.

   Notice

   When filling the reservoir, note the inside position of the inlet port. The coolant in the reservoir should not be higher than 2″ below the inlet port.

4. Close the lid.

5. With the supplied insulated tubing, create a looped circuit by connecting one end to the outlet port, and the other to the inlet port.

   

   Looped tubing - inlet to outlet

6. Open the outlet port valve.

7. Flick the power breaker switch on, and then turn on the unit display:

   • On the 30/80 model, make sure the E-stop button is released.

   • On other models displays, select POWER.

8. Initiate priming by running the internal pump:

   • On the 30/80 model display, select Cycle.

   • On other models displays, select LOOP.

9. Wait five minutes for pump priming to complete.

   A strong flow and no air bubbles in the tubing are good indicators of a well-primed pump.

10. Stop the internal pump:

    • On the 30/80 model display, select Cycle.

    • On other models displays, select LOOP.

11. Close the outlet port valve.

The chiller is now primed.