Hoval TopGas combi 21/18 Operating Instructions Manual Download Page 6

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You should read these instructions thoroughly before the system is commissioned!

Dear Customer,

With the Hoval TopGas

®

 you have acquired a product manufactured according to the 

stateof-the-art and highest quality standards.
Please ensure that the delivery is consistent with your order and check it is complete. 
Also check for possible damage in transit and inform the nearest Customer Service 
centre if there is any. For insurance reasons it will not be possible to accept any 
subsequent claims.
For the correct installation and operation of your Hoval TopGas

®

, all applicable laws, 

regulations and standards must be complied with; in particular the regulations of the 
respective energy supply company. In case of queries, please contact your specialist 
installer or the nearest Hoval Customer Service centre.
Assembly  or  installation  of  the  heating  boiler  may  only  be  carried  out  by  trained 
personnel of an approved installation company. Before starting the boiler for the first 
time, an installation inspection and approval of the overall installation by the installer 
are required. To guarantee safe and trouble-free operation, operate your Hoval boiler 
only according to these operating instructions. 
The boiler may only be used for its intended purpose and fuels for which it is suitable 
on the basis of its design and for which it has been approved by Hoval.
Do not carry out any changes to the system, otherwise all claims under the guarantee 
will be invalidated. Conversion kits are to be installed and the installation approved 
by authorised installers or by the Hoval Customer Service.
The reliable and safe functioning of a gas boiler, as well as the achievement of an 
optimal effectiveness and clean combustion are only possible and guaranteed if the 
system is maintained and cleaned at least once every year.
In the event of a fault or in case of damage, please contact the Hoval Customer 
Service to inquire about the necessary repairs. In the meantime, shut down the unit 
to avoid any damage.
With  the  acquisition  of  a  Hoval  unit  you  also  obtain  a  comprehensive  guarantee 
protection, as indicated in the guarantee conditions of the guarantee pass for your 
unit.
This guarantee is, however, dependent on the observance of the operating and instal-
lation instructions and on compliance with the applicable legal regulations. Non-com-
pliance with the above will invalidate all liability and warranty claims against Hoval.
Provided it is used correctly, your Hoval boiler will ensure you enjoy a well heated 
home for many years.

The Hoval Customer Service

If you have any doubts in regard to the operation of your Hoval boiler, or minor faults 
affect its correct functioning, please contact the nearest Hoval Customer Service 
centre.
A telephone call is often enough when it comes to solving small problems. Our trained 
Customer Service staff will do everything in their hands to help you.
If a fault can not be solved in this way, a service technician will visit you in order to 
solve the problem. We hope you understand that, except in urgent cases, this is not 
always immediately possible.
Take advantage of the offer of the Hoval Customer Services for extending the service 
life of your Hoval boiler, and ask for a service agreement. Your Customer Services 
advisor will be pleased to give you information.
You will find the addresses on the last page..

3.  Customer service

i

3. Customer service

Summary of Contents for TopGas combi 21/18

Page 1: ...9 07 EN Subject to modifications Hoval Export Hovalwerk AG Austrasse 70 9490 Vaduz Principality of Liechtenstein Phone 423 399 24 00 Fax 423 399 26 18 Hoval United Kingdom Hoval LTD Northgate Newark N...

Page 2: ...purpose 5 3 Customer service 6 4 Functional principle of the heating system 7 8 5 System start up 8 5 1 Checks prior to start up 8 5 2 Switching on the system 8 6 Heating system control 9 6 1 Operatin...

Page 3: ...elephone numbers Heating installer Plumbing installer Electrical installer Chimney inspector Fuel supplier 1 2 Key to symbols used i Instruction Prompts you to carry out an action Result Shows the exp...

Page 4: ...equipment Yes No Condensate pump Yes No Outside temperature sensor Yes No Room temperature sensor Yes No Room air dependent Yes No Room air independent Yes No Number of heating circuits 1 2 3 4 Heatin...

Page 5: ...This does not apply if your system is operated independent of boiler room air Commissioning of a newly installed system may only be carried out by a qualified installer The installation control must...

Page 6: ...ce The reliable and safe functioning of a gas boiler as well as the achievement of an optimal effectiveness and clean combustion are only possible and guaranteed if the system is maintained and cleane...

Page 7: ...pera ture is as required in an optimum and fuelefficient manner Radiators underfloor heating Delivers the heat from the heating water to the room Heating pump Pumps the heating water from the boiler t...

Page 8: ...mmissioning the TopGas the stench trap siphon in the conden sate drain pipe must be filled with water 5 1 Checks prior to start up Check the water level in the heating system The heating system must b...

Page 9: ...of the current operating mode of the boiler is displayed in the two digit display Reset button change values 6 Heating system control 6 1 Operating elements of the boiler control panel basic control...

Page 10: ...d A total of 4 start attempts are permitted before the unit registers a malfunction Operating Mode Heat During the heating operation the target temperature is shown in the two digit display If the ser...

Page 11: ...selection key Select the operating modes Holiday Turn off the heating system during the holidays Absence Temporarily switch off heating Party Extended heating Automatic Automatic heating according to...

Page 12: ...he timer clock of the TopTronic T Check according to the set correctly operating manual for the heater control Check water level and water pressure Top off the heating system and bleed off air 15 Are...

Page 13: ...ons Press the On Off button to turn the appliance off LED is dark the water pressure is displayed The heater flow and return valves must be open The boiler fill and drain faucet is accessible on the u...

Page 14: ...ng wasted You therefore save fuel if you keep windows and doors closed in winter close chimney dampers when the fire is out only operate kitchen and ba throom fans when it is necessary to remove moist...

Page 15: ...ng heating boilers for oil and wood firing burners solar energy production systems collectors and heat pumps for making use of geo thermal heat or heat generated by wind and water Heat distribution sy...

Page 16: ...7243 550 15 www hoval at Hoval Italia S r l Via per Azzano San Paolo 26 28 I 24050 Grassobbio BG Telefono 39 035 52 50 69 Telefax 39 035 52 58 58 www hoval it Germany Switzerland Austria Italy France...

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