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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 re-
quired to do is ensure that the system is filled with water and the
room stat or programmer is calling for heat.
I. Boiler operation
1.1 Switch on unit power supply. Press
Switch the boiler off using the same
2 seconds.
1.2 Switch on programmer or room stat to call for heat.
1.3 When the system reaches the required boiler set point tem-
perature the boiler will modulate and will automatically stage
down.
1.4 Modulation - this is when the boiler controls the heating load
and the power that is required to maintain the relevant tem-
perature setting.
1.5 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.
2. 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 opposite to learn how to ad-
just the right temperature to make the boiler work comfortably
and economically.
ATTENTION: Should the temperature on the front panel be set
on too low 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 „E" on).
Next pressing of
switch - outlet temperature displayed (indica-
tors „F" and „E" on).
Next pressing of
switch - medium (water) rate of flow dis-
played (indicator „H" on).
Next pressing of
switch - power with which the boiler cur-
rently heats (indicator „I" on).
Next pressing of
switch - returns to the „standard" state, where
you can change the temperature setting in the central heating sys-
tem.
NOTE: The indicators not only describe the state of the boiler
but also inform about failures.
GB-016C_f.493
USER INSTRUCTIONS
3. Front Control Panel
Indicator B
Indicator C
to switch the boiler on.
switch by holding it for
Indicator F
Indicator D
Indicator E
Indicator G
Indicator H
Indicator I
Indicator A
Indicator K
11
When GREEN light is on the pump is operat
ing. When this light flashes the flow rate is in
sufficient (less than 5 l per min) Refer to tech
nical specifications.
When light is off room thermostat temperature
has been achieved. (RP is open) When the
green light flashes the NA connection is open.
When RED light is on, the boiler is operating
When GREEN light is on boiler temperature
has been achieved.
Set Temperature.
Return Temperature.
When this indicator flashes the return temper
ature sensor is faulty.
Flow Temperature
When this indicator flashes the flow tempera-
ture sensor is faulty.
Press to show Flow, Return and Set Temperature.
Press to check flow rate.
Press to check power consumption.
DHWC Indicator.
DHWC temperature indicator (when electronic
DHWC temperature sensor is used).
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