Technical data

Initiation
Maintenance
Troubleshooting
8
Due to its advanced design the Hotrun does not need any maintenance.
A damp cloth can be used for cleaning the cover.
Scouring and dissolving agents are not suitable.
Regularly clean scale from aerators and hose swivels.
Initial observations
The adequate supply and pressure of the water (min. 100kPa).
- Make sure the cold water inlet and the hot water outlet are not connected in reverse.
- The main switch or circuit breaker is switched on.
- The fuse/circuit breaker is not blown/triggered.
- Flow rate from cold supply is adequate for the installed Hotrun.
Problem 1
- The Hotrun does not switch on when opening the tap fully.
Cause
Usually attributed to water supply problems. Ensure the pressure on the cold water supply is
more than 100kPa, while the Hotrun is in use.
- Too much back pressure in outlets or shower heads after the Hotrun causing lack of
pressure differential over the Hotrun (backpressure through the cold).
- Wrong flow restrictor installed.
- Maximum temperature cut-out switches activated, due to air in the Hotrun not cleared
before switching on the electrical supply. Access to the thermal cut-out can only be
conducted by a suitable qualified tradesperson.
Attention: Avoid overheating
Fill the unit completely with water before plugging it in or turning on the mains power supply.
For that purpose:
- Open the tap and wait until the water flows out from the spout without any air bubbles.
- Close the tap.
- Switch-on the mains supply.
- Hotrun is ready to use.