Professional Service - Redring POWERSTREAM RPS95 Installation And User Manual

PROFESSIONAL SERVICE

If the previous "Self Help" checks fail to restore the performance, you should seek professional help.
The following additional checklist is provided for the benefit of the qualified service person.
SWITCH OFF THE ELECTRICITY AT THE LOCAL ISOLATOR
BEFORE REMOVING THE COVER TO MAKE CHECKS.
Symptom
Little or no water flows
- neon light off.
Cold water only
- neon light off.
Water too cold
- neon light on.
Water flow too low or
temperature too
high.
Water goes from hot to
cold.
WHAT TO DO IF THINGS GO WRONG (2)
Cause
The water pressure is very low.
The main water is connected to
the OUTLET of the unit.
The water pressure is too low.
The thermal cut-out has
triggered.
The flow switch is not working.
One element is not working.
The Power Supply Voltage has
dropped.
The service valve is fitted to the
OUTLET.
There are constrictions in the
plumbing.
The service valve is fitted to the
OUTLET.
What to do
Use a pump to boost the supply (1-
6bar).
Reconnect the main supply to the
INLET (marked in blue).
Use a pump to boost the supply (1-
6bar).
Reset it by opening the unit and
pushing the button on the cut-out
(diagram 1). Before you do this, you
must remove the cause of the
problem.
Contact Redring (see page 10).
Switch off the electricity supply and
check the resistance of the elements.
You should get the following readings.
Loading (kW)
9.5
10.8
12.0
Ensure both microswitches are working
The heater should only draw the
following currents:
40 amps for the 9.5kW model
45 amps for the 10.8kW model
50 amps for the 12.0kW model
Fit the service valve to the INLET of
the unit.
Check the plumbing. Only use PTFE
tape for making pipe joints.
Fit the service valve to the INLET of
the unit.
11
Resistance (Ohms)
12.0
10.6
9.6