DOMUSA Jaka HFD User manual

INSTALLATION AND OPERATING INSTRUCTIONS
JAKA HFD
JAKA HFS
ER-0170/1996
CGM-04/392

Thank you for choosing a DOMUSA TEKNIK heating boiler. You have
chosen a boiler which will provide the ideal level of comfort for your
home,alwayswithasuitablehydraulicinstallationandoil-fired.
This manual forms an essential part of the product and it must be given to
the user. Read the warnings and recommendations in the manual
carefully, as they contain important information on the safety, use and
maintenanceoftheinstallation.
These boilers are to be installed by skilled personnel only, in accordance
withthelegislationinforceandfollowingthemanufacturer’sinstructions.
The start-up of these boilers and any maintenance operations must only
be carried out by DOMUSA TEKNIK’s Authorised Technical Assistance
Services.
Incorrect installation of these boilers could result in damage to people,
animals or property, and the manufacturer will hold no liability in such
cases.
DOMUSA TEKNIK informs all parties concerned that, in compliance with
section 1 of the first additional provision of Law 11/1997, the
responsibility for delivering packaging waste or used packaging for its
proper environmental management will be that of the final owner of the
product (Article 18.1 Royal Decree 782/1998). At the end of its useful life,
the product must be taken to a selected collection point for electrical and
electronic equipment or must be returned to the distributor at the time of
purchasing a new equivalent appliance. For more detailed information on
the collection schemes available, contact either the collection facilities of
thelocalauthorityorthedistributorwherethepurchasewasmade.

1
CONTENTS Page
1 LIST OF COMPONENTS.....................................................................................................................................................................2
2 CONTROL ELEMENTS........................................................................................................................................................................3
3 INSTALLATION INSTRUCTIONS......................................................................................................................................................4
3.1LOCATION.................................................................................................................................................................................................................4
3.2FLUE..........................................................................................................................................................................................................................4
3.3REMOVAL OFCOMBUSTION PRODUCTS ...................................................................................................................................................................4
3.4HYDRAULIC INSTALLATION.......................................................................................................................................................................................4
3.5ELECTRICAL CONNECTION.........................................................................................................................................................................................4
3.6OIL INSTALLATION....................................................................................................................................................................................................5
4 FILLING THE INSTALLATION...........................................................................................................................................................5
5 COMMISSIONING OF THE BOILER.................................................................................................................................................5
6 DELIVERY AND INSTALLATION......................................................................................................................................................5
7 SAFETY CUT-OUTS.............................................................................................................................................................................5
7.1TEMPERATURE SAFETY CUT-OUT ..............................................................................................................................................................................5
7.2BURNER CUT-OUT.....................................................................................................................................................................................................5
8 FUNCTIONING......................................................................................................................................................................................6
8.1FUNCTIONING WITH ASANIT STORAGE HEATER.......................................................................................................................................................6
9 TIMER-BASED OPERATION (OPTIONAL).....................................................................................................................................6
10 CONTROL UNIT-BASED OPERATION (OPTIONAL).................................................................................................................6
11 STOPPING THE BOILER...................................................................................................................................................................6
12 BOILER MAINTENANCE..................................................................................................................................................................7
13 DIAGRAMS AND DIMENSIONS....................................................................................................................................................8
14 TECHNICAL CHARACTERISTICS...................................................................................................................................................8
15 ELECTRICAL DIAGRAM.................................................................................................................................................................10
16 SPARE PARTS LIST..........................................................................................................................................................................11
17 BOILER'S WATER PRESSURE DROP DIAGRAMS....................................................................................................................21
18 TROUBLESHOOTING.....................................................................................................................................................................22
18.1BURNER FAILURES................................................................................................................................................................................................22
18.2BOILER FAILURES .................................................................................................................................................................................................22
19 GENERAL WARRANTY CONDITIONS........................................................................................................................................23

Jaka HFD / HFS
2
1LIST OF COMPONENTS
1 2 3
4 5 6 7 8 9 10
11
1. Thermometer.
2. Heatingcontrol thermostat.
3. Safetythermostat.
4. Controlunit (Optional).
5. Manometer.
6. Main switch.
7. Winterpilot light.
8. Summerpilot light.
9. Temperaturecut-out pilot light.
10. Burnercut-out pilot light.
11. Burner. (Only for Jaka HFD)

3
2CONTROLELEMENTS
t
bar
1 2 3
4 5 6 7 9 10
8
1. Thermometer:
This indicates the temperature of the water in
theboiler.
2. Control thermostat:
This is for selecting the working temperature for
water heating, and stopping the burner when
the boiler reaches the selected temperature or
keeping it switched on until this temperature is
reached.
3. Safety thermostat:
This ensures the boiler temperature does not
exceed 110 ºC, by switching it off when it
reachesthis temperature.
4. Control unit (Optional):
This optional element allows the installation
temperatures to be adjusted depending on the
requirements of the home and the outdoor
temperature.
5. Manometer:
Thisindicates the pressure in the installation.
6. Master switch:
The "O/I" switch turns the boiler on and off. If
your installation has a storage heater from the
DOMUSA TEKNIK Sanit range, the "/☼"switch
is for selecting either Summer mode (hot water
only)or Winter mode (heating + hot water).
7. Winter mode pilot light:
This pilot light comes on to show that the boiler
ison Winter mode (Heating and DHW).
8. Summer mode pilot light:
This pilot light comes on to show that the boiler
ison Summer mode (Only DHW).
9. Temperature safety cut-out pilot light:
This pilot light comes on to show that the boiler
has switched off due to excess temperature
(over110 ºC).
10. Burner cut-out pilot light:
This pilot light comes on to show that the boiler
hasswitched off due to a burner cut-out.