
EHC
Fusion E10 Combi
–
Installation and technical manual
Page 21
13.
Commissioning General/Cont.
Check Safety Valves Operation
1
Check Temperature and Pressure Relief Valve
2
Check pressure relief valve on reducing set
3
Check that all pressure relief valves flow through tundish outlet
Preliminary Electrical Checks
1
Check all electrical connections are tight. Loose connections can cause over-heating of
terminals and the possibility of a fire.
2
Check all earth bonding links are connected, are tight and un-damaged.
3
The electrical system should be checked for Earth Continuity, Short Circuits, Polarity and
Resistance to Earth.
4
the backup immersion heater should be set to 65 deg – this can be achieved by removing
the cover and adjusting the thermostat dial as required.
Start up
1
Switch on all power supplies to the fusion boiler. At this stage the boiler will automatically run
the system pump
Ensure that all air has been removed from pump.
2
Switch on power supply to external control circuit
3
Select desired times for heating and hot water on the twin channel programmer as per
instructions on page 23.
It is beneficial to set the program around the Economy 10 tariff where possible.
4
Switch twin channel programmer to cont on both heating and hot water
5
Further bleed system if required
6
At this stage set the automatic bypass to 8l/m with all thermostatic radiators valves closed.
After this been achieved open all thermostatic radiators valves.
7
Set system temperature on the Fusion E10 boiler to 65
°
C as per instructions
8
Set temperature on Dual Thermostat to desired HW temperature (60
°
C recommended)
8
Set TLX 4101 to Max temperature
9
Allow system to circulate
10
After the system has circulated and reached desired temperature. The system can then be
set to the individual users‘ preference