EHC Fusion E10 Combi Series - Commissioning - Fusion Boiler Instructions; Fusion Boiler - Introduction; Fusion Boiler - Operation; Fusion Boiler - Temperature Setting

EHC Fusion E10 Combi – Installation and technical manual Page 26
15. Commissioning: Fusion boiler instructions________
Introduction
Unlike other system boilers such as Gas, Oil and Propane, the FUSION range of electric boilers require no
ignition or lighting sequence to be executed by the end user. All the end user is required to do is ensure that
the system is filled with water and the room stat or programmer is calling for heat.
Boiler operation
a. Switch on unit power supply. Press to switch the boiler on. Switch the boiler off using the
same
switch by holding it for 2 seconds.
b. Switch on programmer or room stat to call for heat.
c. When the system reaches the required boiler set point temperature the boiler will modulate
and will automatically stage down.
d. Modulation - this is when the boiler controls the heating load and the power that is required
to maintain the relevant temperature setting.
e. During the periods when the boiler is switched off the pump will operate every day for 15
minutes. This protects the boiler and the central heating system from being blocked and
silted up.
Temperature Setting
We recommend boiler temperature to be set to 65°C. Raise and lower the temperature in
your installation with the use of the switches
and . Refer to the diagram below
to learn how to adjust the right temperature to make the boiler work comfortably and
economically.
Should the temperature on the front panel be set to too low a value the boiler will not
reach the required room temperature.
Working parameters control
You can check all the working parametres of the boiler by pressing
First pressing of switch inlet temperature displayed (indicators “D” and “F” on),
Next pressing of
switch – outlet temperature displayed (indicators “E” and “F” on),
Next pressing of
switch – medium (water) rate of flow displayed (indicator “H” on),
Next pressing of
switch – power with which the boiler currently heats (indicator “I” on)
Next pressing of
switch – returns to the “standard” state, where you can change the
temperature setting in the central heating system.
The indicators not only describe the state of the boiler but also inform about failures.