DOMUSA TEKNIK Domestic D-3 User manual

INSTALLATION AND FUNCTIONING
INSTRUCTIONS
OIL BURNER
DOMESTIC
D-3 / D-4
This instruction manual includes all the details necessary for the proper installation and use of the burner.
We thank you for having chosen a DOMUSA TEKNIK burner

- 1 -
1.- MOUNTING
Fix the burner support to the boiler. Fix the burner to the support. This allows a correct
inclination of the flame tube towards the combustion chamber. Mount the oil aspiration and
return tubes, including the oil-filter in the aspiration.
2.- OIL INSTALLATION
"Domestic" burner is equipped with a self-aspiration pump, which allows the aspiration of
combustible from the tank which is installed in a lower level than the burner, as long as the
pressure measured with a vacuometer in the pump does not exceed 30 cmHg.
3.- START UP OF THE BURNER
Make sure that there is combustible in the tank, also that the oil valves are open and there
is electric connection to the burner. Switch on the main switch. Unscrew the air-drains
screw (manometer tap). Then, when the electrovalve opens, take the photocell sensor out
of its place and approach it to a luminous source until oil comes out. Disconnect the burner
and screw the drains-screw
4.- BURNER COMBUSTION ADJUSTMENT
Observe the flame. If there is not enough combustion air, it will be dark and it will produce
smoke which will close the uptake.
On the other hand, if there is too much combustion air, the flame will be white or white-
blue coloured, reducing the efficiency and therefore not fulfilling the anti-pollution norms.
Besides, the excess of air may difficult the ignition process.
The flame must be kind of orange coloured.
Due to the construction of the boiler, if it is difficult or impossible for you to see its flame,
the combustion airflow can be set-up observing the smoke coming out from the chimney. If
it is dark, the air in the burner will have to be increased and if it is white, the air in the
burner will have to be decreased until there is no smoke at all.
If you are provided with a device, which verifies the composition of the combustion gases,
it will be the best guide to adjust the flame, but if you do not have it, follow the preceding
indications.
5.- SELECTION OF OIL NOZZLE
Go to the chart shown on page no.5 and select the correct oil nozzle in accordance with
the pressure, bearing in mind that 1 Kg/h of oil approximately produces 11.86 kW.

- 2 -
6.- DIMENSIONS
I
G
E F
H
F'
B
A
C
D
LJ
K
DIMENSIONS TABLE
DIMENSION A B C D E F F' G H I J K L
(mm) 292 265 140 152 215 75 98 290 ø80 205 100 100 ø90
F: Domestic D-3.
F': Domestic D-4.

- 3 -
7.- PRIMARY COMBUSTION AIR ADJUSTMENT
To adjust the primary combustion air,
turn the screw as shown on the drawing
by means of a 6 mm. Allen wrench. To
increase the airflow, turn it to the right
and to decrease it, turn it to the left.
8.- COMBUSTION LINE ADJUSTMENT
To adjust the combustion line, unscrew the combustion line blocking screw "BL". Turn the
line adjustment screw "RL" to the right to increase the airflow and to the left to decrease it.
After the adjustment has been made, screw the combustion line blocking screw "BL".
BL
RL
+
-
3 mm
0
1
9.- CORRECT POSITIONING OF IGNITION ELECTRODES
To assure a good ignition of the burner Domestic, it is necessary to respect the measures
shown in the drawing. Besides, before mounting the flame tube again, make sure that the
blocking screws of the electrodes have been fixed.
2/3 mm
3 mm
10
0

- 4 -
10.- OIL PRESSURE ADJUSTMENT
To adjust the pressure of the oil pump, turn the screw (1) to the right in order to increase it
and to the left in order to decrease it.
1 - Pressure adjustment.
2 - Vacuometer nipple.
3 - Electrovalve.
4 - Manometer nipple.
5 - Oil outlet.
6 - Oil return.
7 - Oil inlet.
11.- OIL INSTALLATION DIAGRAMS
These diagrams and charts belong to oil line installations without reductions and with a
perfect hydraulic sealed. It is highly recommended to use copper pipes. Depression of
maximum 0,4 bar (30 cmHg) must not be exceeded.
In aspiration installation
H Pipes length
(m) in 8 mm. in 10 mm.
0,0 25 60
0,5 21 50
1,0 18 44
1,5 15 38
2,0 12 26
2,5 10 26
3,0 8 20
3,5 6 16
In charge installation
H Pipes length
(m) in 8 mm. in 10 mm.
0,5 10 20
1,0 20 40
1,5 40 80
2,0 60 100
In aspiration installation
H
In charge installation
H
H
SUNTEC - MOD. AS47C
1
2
34
5
67
DANFOSS - MOD. BFP 21 L3
3
5
4
2
7
6
1

- 5 -
12.- TECHNICAL DATA
MODEL D-3 D-4
Min. heat outlet Kg/h 1,5 2,3
Max. heat outlet Kg/h 3 4,65
Min. heat outlet kW min. 17,7 27,2
Max. heat outlet kW max. 35,5 55,2
Motor power at 2800 r.p.m. 110 W
Type of control Mono-stage
Electrical power 220/230 V - 50 Hz
Weight Kg 12,5
Pre-heater Optional
13.- WORKING DIAGRAM
5
10
15
12345
Kg/h
10200 20400 30600 40800 51000 Kcal/h
11.8 23.72 47.4435.58 59.3 kW
mmH2O
CHAMBER PRESSURE / OIL FLOW
D-3 D-4
14.- OIL FLOW VERSUS NOZZLE AND PUMP PRESSURE
GPH 9 Atm.
Kg/h 10 Atm. Kg/h 11 Atm. Kg/h 12 Atm. Kg/h 13 Atm. Kg/h 14 Atm. Kg/h 15 Atm. Kg/h
0,40 1,45 1,55 1,60 1,67 1,75 1,80 1,87
0,50 1,80 1,90 2,00 2,10 2,20 2,27 2,33
0,55 2,00 2,10 2,20 2,30 2,40 2,50 2,60
0,60 2,20 2,30 2,40 2,50 2,60 2,70 2,80
0,65 2,35 2,50 2,60 2,70 2,80 2,90 3,05
0,75 2,70 2,85 3,00 3,15 3,25 3,40 3,50
0,85 3,10 3,25 3,40 3,55 3,70 3,80 4,00
1,00 3,60 3,80 4,00 4,20 4,35 4,50 4,70
1,10 4,00 4,20 4,40 4,60 4,80 5,00 5,10

- 6 -
15.- ELECTRICAL DIAGRAMS
WITHOUT CONNECTOR
WITH PRE-HEATER WITHOUT PRE-HEATER
1256810 11 123
FR
TR

MB EV1 LB
RP
Black
Blue
TCTS
Ph
N
4
EV2
Pre-heater
F
7
TP
Brown
1 2 5 6 8 10 11 123
FR
TR

MB EV1 LB
TCTS
Ph
N
4
EV2
F
7
WITH CONNECTOR
WITH PRE-HEATER WITHOUT PRE-HEATER
1256810 11 123
FR
TR

MB EV1
LB
RP
Black
Blue
4
EV2
TC
TS
Ph
N
B4 S3
T2
T1 N L1
IG
F
CH
LB'
7
TP
Brown
Pre-heater
1 2 5 6 8 10 11 123
FR
TR

MB EV1 LB
4
EV2
TC
TS
Ph
N
B4 S3 T2 T1 NL1
IG
F
CH
LB'
7
B4: Contact of hour-counter.
S3: Contact of blocking lamp.
TC: Control thermostat.
TS: Safety thermostat.
CH: Hour-counter.
IG: General switch.
F: Fuse.
LB: Blocking lamp.
LB': External blocking lamp.
FR: Photocell sensor.
TR: Ignition transformer
MB: Oil pump.MB': Auxiliary oil pump.
EV: Electrovalve.
TP: Pre-heater thermostat
RP: Pre-heater resistance.
Ph: Phase.
N:Neutral

- 7 -
16.- OIL EASY CONNECTION
To connect and disconnect the red oil tube to the combustion line, proceed as follows:
- Press the connector o-ring in the direction of the arrow shown below, and
simultaneously pull the red tube.
PRESS
O-RING
RED PIPE
OIL
OIL EASY CONNECT RACOR

- 8 -
17.- BURNER CONTROL OPERATING SEQUENCE
The burner’s LMO control box has a reset button
which is the key element for resetting the burner
control and activating/deactivating the diagnosis
functions.
The multi-colour LED on the reset button is the
indicator for visual diagnosis. The button and the
LED are located under the transparent cover of the
reset button. During normal functioning, the various
operating statuses are indicated in the form of
colour codes (see the colour code table below).
During ignition, the indication is as shown in the
following table:
Colour code table for multi-colour indicator lights (LEDs)
Status Colour code Colour
Wait time «tw», other standby statuses ..................................................................
. Off
Fuel pre-heater on …………………………………… Yellow
Ignition phase, controlled ignition Flashing yellow
Functioning, flame OK …………………………………… Green
Functioning, flame not OK
Flashing green
External light during burner ignition Red/green
Undervoltage Yellow/red
Failure, alarm
…………………………………… Red
Error code output (see «Error code table») Flashing red
Interface diagnosis
Flashing red light
….. Steady light Red
Off Yellow
Green
Botón de rearme
Reset button

- 9 -
18.- BURNER ERROR CODE
We have already mentioned that the burner is equipped with a cut-out system, indicated
by the reset button light. It may cut out accidentally, and in this case the steady red light on
this button will come on. You may unblock it by pressing the button for approx. 1 second.
When the burner is blocked and the steady red light is on, visual failure diagnosis may be
activated, in accordance with the error code table. To enter visual failure diagnosis mode,
hold down the reset button for at least three seconds.
Error code table
Red flashing LED
code “AL” on term. 10 Possible cause
Flashes 2 times On No flame established when ignition safety
time ends.
- Fuel valves defective or dirty
- Flame detector defective or dirty
- Burner maladjustment, no fuel
- Ignition unit defective
Flashes 4 times On External light during burner ignition
Flashes 7 times On Excessive flame loss during functioning
(limited number of repetitions)
- Fuel valves defective or dirty
- Flame detector defective or dirty
- Burner maladjustment
Flashes 8 times On Supervision of fuel pre-heater time
Flashes 10 times On Cabling fault or internal failure, output
contacts, other failures
During the failure diagnosis time, the control outputs are disabled and the burner
remains off.
Toexitfailurediagnosisandactivatetheburneragain,resettheburnercontrol.Holddown
theresetbuttonforapprox.1second(<3s).

POSTALADDRESS FACTORY& OFFICES
PObox95 Bº SanEsteban s/n
20730AZPEITIA 20737RÉGIL (Guipúzcoa)
Tel:[phone] Fax: [phone]
www.domusateknik.com
DOMUSA TEKNIK reserves the right to make modifications of any kind to
its product characteristics without prior notice. *CDOC000017*
CDOC000017
11/19