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5.0 EXPLANATION TO USER
Following Installation and Commissioning of the water heater, the operation
should be fully explained to the user.
5.1 HOT WATER
1. Indicate the location of the water heater and identify the outlets to which
it is connected.
2. Explain how the temperature is set and how the B3M and C3M vented
water heaters store water at the temperature set on the adjustable
thermostat. This can be set to give temperatures in the range of 10 to
75
°
C.
3. Explain that to avoid any risk of freezing when the heater is not in use for
long periods during the winter months, the electrical supply should be
left on & the thermostat set to its minimum position. This will protect the
heater, but not the system pipework.
4. Show how the thermostat can be locked in either the mid range or “hot”
position and recommend that this procedure is carried out by a qualified
electrician.
5. Show that the indicator light will be illuminated when the unit is
heating.
6. Recomend that to ensure the heater continues to operate at its optimum
performance it should be periodically maintained in accordance with the
instructions given under the Sections headed MAINTENANCE.
5.2 SYSTEM MALFUNCTION
1. Explain how to isolate electrical and water supplies in case of a fault.
2. Explain that a qualified plumber and/or electrician should be contacted
if there is a fault.
3. Explain how to identify/check basic faults.
4. Explain the necessity to carry out regular maintenance of the water
heater to ensure its continued safe and efficient operation.
5.3 LITERATURE
Hand over the Installation and User Instructions.
