Commissioning; Hiflo Evo - andrews HIflo EVO HF 30/300 Installation And Service Manual

4

Commissioning

4.1

HIflo EVO

Issue 4 21042918
4.1.1 To Light the Burner
Caution
Do not operate the water heater until the storage vessel is
completely filled with water, with water running from all
hot taps.
Open the main gas supply valve after all connections to the gas
control valve are complete, and test all connections with leak
spray.
1. Ensure electrical supply is on.
2. Ensure gas supply is on.
3. Change temperature format from °F to °C by following the
steps in Fig. 20 on page 28.
4. Set the desired temperature by following Fig. 12 to 18 on
pages 26 & 27.
5. Ensure time switch, if fitted, is in the on position.
6. If the burner does not light, an error code will be displayed
on the control display.
4.1.2 To Shut off the Burner
To shut off the burner isolate the electrical supply, then shut off
the gas service cock.
The water heater should only be turned OFF for long periods, eg
holidays or in an emergency. Otherwise the heater should be left
to operate under normal thermostat control.
Note
When using a time control ensure the heater is not turned
OFF before the final water draw off occurs. This will
ensure the water in the tank is left in a hot condition
Commissioning 4
.
20