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4

K

C

ONTROL

P

ANEL

2.

OPERATING INSTRUCTIONS

C

AUTION

Installation, start-up, adjustments and maintenance must be performed by a
competent person only, in accordance with the current Gas Safety (Installation &
Use) Regulations and the instructions provided. Improper installation may cause
damage or injury to individuals, animals and personal property, for which the
manufacturer will not be held liable.
To ensure efficient and safe operation it is recommended that the boiler is serviced
annually by a competent person.
If it is known or suspected that a fault exists on the appliance, it must not be used
until the fault has been corrected by a competent person.

H

ELPFUL

S

UGGESTIONS

To get the most out of your boiler, we have provided you with some useful advice on
proper use and maintenance:
- Periodically check the system pressure using the pressure gauge 

“K”, make sure that

the pressure is between 1.0 and 1.5 bar (the blue part on the gauge) when the system
is off and cool. The display will indicate 

E

E 0

02

2

” if the pressure is below the minimum

recommended value. Consult your installer for checking and refilling the system.

- The outer panels of the unit's case must only be cleaned with a damp cloth. Do not use

abrasive cleaners. The control panel can be wiped with either a damp or dry cloth.
Spray polishes must not be used on the control panel surface or knobs. Care must be
taken in preventing any liquid entering the appliance.

Warning! the flue analysis mode must

only be selected by a qualified service
engineer.

1

2

3

4

5

6

1

2

3

4

5

6

EC

II

IJ

K

L

EGEND

:

- On/Off Button
- Domestic Hot Water Temperature Adjustment
- Central Heating Temperature Adjustment
- Reset Button/Flue Test analysis mode*
- Comfort Mode Selector 
- Summer Mode LED (Green)
- Ignition/Overheat Lockout LED (Red)
- Central Heating (Winter Mode) LED (Green)
- Digital Display (Fault Code/Water Temperature)
- Time Clock
K- Central Heating System Pressure Gauge

 

       

 

 

 

 

                            

Summary of Contents for microGENIUS HE 24 MFFI

Page 1: ...End User Manual microGENUS HE 24 MFFI microGENUS HE 28 MFFI microGENUS HE 32 MFFI Country of destination GB 1 2 3 4 5 6 1 2 3 4 5 6 II E C...

Page 2: ...N boiler We guarantee that your boiler is a reliable and technically sound product This manual provides detailed instructions and recommendations for proper installation use and maintenance Remember t...

Page 3: ...the gas cylinder and call your Gas Supplier immediately If you are going away for a long period of time remember to shut the mains gas tap or the gas cylinder valve Before any intervention within the...

Page 4: ...that the pressure is between 1 0 and 1 5 bar the blue part on the gauge when the system is off and cool The display will indicate E E 0 02 2 if the pressure is below the minimum recommended value Con...

Page 5: ...the boiler will produce both Central Heating and Domestic Hot Water In the summer operating mode the boiler will produce only Domestic Hot Water Using the knobs on the control panel the user can selec...

Page 6: ...URE This anomaly is indicated by A A 0 01 1 on the display To reset the boiler press and then release the D button At this point the electronic ignition system will attempt to light the burner again S...

Page 7: ...s below 8 C the pump activates and runs until a temperature of 18 C is attained In the event that the water temperature falls below 3 C the diverter valve switches to Domestic Hot Water and the burner...

Page 8: ...repeat this for 7 00 pm and 10 00 pm Other heating intervals may be set in the same way The timer has approximately 150 hours of battery back up for power failure The clock is provided with a selecto...

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