Indoor unit malfunction — Incorrect water tube connection

What does Indoor unit malfunction mean?

The indoor unit may malfunction if the water outlet connector is not properly connected to the boiler tank inlet. Incorrect tube connections can lead to system errors.

• Water outlet connector of the indoor unit is not correctly connected to the boiler tank inlet.
• Connections are loose or improperly tightened.
• Damage to the tubing during installation.

Click steps to track your progress.

1. 1

   Ensure the water outlet connector of the indoor unit is securely and correctly attached to the boiler tank inlet.

2. 2

   Use two spanners to tighten the connections appropriately.

3. 3

   Tighten nuts with a torque wrench to the specified torque (e.g., Rp 1¼” [117.6 N•m] for water nuts).

4. 4

   After tightening, perform a test run and check for any signs of malfunction.