Unical FOKOLUS, User Instruction

2

Index

1 - SYMBOLS USED IN THIS MANUAL

When reading this manual particular care has to be given to the parts marked with the followings symbols:

NOTE!
Suggestions for the user

WARNING!
Indicates a potentially dangerous si-
tuation for the product and the envi-
ronment

DANGER!
Indicates serious dan-
ger for your personal
safety and for your life

2 - A CORRECT USE OF THE APPLIANCE

The FOKOLUS appliance has been designed utilizing today’s heating technology and in compliance with
the current safety regulations.
However, following an improper use, dangers could arise for the safety and life of the user or of other
people, or damage could be caused to the appliance or other objects.
The appliance is designed to be used in hot water central heating systems, both with natural or forced
circulation and for the production of domestic hot water (through a separate cylinder).
Any other use of this appliance will be considered improper.
UNICAL declines any responsibility for any damages or injuries caused by an improper use; in this case
the risk is completely at the user’s responsibility.
In order to use the appliance according to the foreseen scopes it is necessary to carefully follow the

  instructions indicated in this manual.

3 - WATER TREATMENT

In hard water areas where the main water can exceed 15°f total hardness, a scale reducing device is
recommended.
The choice of this device has to be made taking into consideration the characteristics of the water.

CONTENTS

1 Symbols used in this manual .................................................................................................................................................... 2
2 A correct use of the appliance .................................................................................................................................................. 2
3 Water treatment ......................................................................................................................................................................... 2
4 Informations to be passed on to the user by the installer ........................................................................................................ 3
5 Safety warnings ......................................................................................................................................................................... 3
6 Istructions for the use ................................................................................................................................................................ 4

6.1 Checks to be performed before putting the boiler in operation ......................................................................................... 4
6.2 Starting ............................................................................................................................................................................... 4
6.3 Combustion air adjustment ................................................................................................................................................ 5
6.4 Checks to be carried out after the first start ...................................................................................................................... 5
6.5 Warnings ............................................................................................................................................................................. 6
6.6 Summer operation .............................................................................................................................................................. 6
6.7 Maintenance on the boiler body ......................................................................................................................................... 7
6.8 Fault removal ...................................................................................................................................................................... 8
-.-

Easy replacement spare parts ........................................................................................................................................... 9