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3.2.  SELECTION OF ON/OFF/STANDBY AND SUMMER/

WINTER MODES

Use V automat switch for interrupting the electrical connection of combi. 
The temperature value when electricity is supplied to the device is the 
temperature value of water in the installation. 

3.2.1. On/Off/Standby Positions

Use V automat (fuse) switch for shutting ON/OFF the electrical connection 
of combi.

3.2.2. Operation at Winter Position

At that position, combi operates both for heating the environment and 
providing hot tap water. 

 

3.2.3. Operation at Summer Position

Combi only operates for heating the domestic hot water at that position. In 
order to switch to DHW position; 

3.2.4. Resetting the Combi (Re-Starting)

In cases that device gives failure/locking errors hold RESET button for
3-4 seconds, and release after completing the cycle on the screen. You can 
reset the device and re-start operations.

3.2.5. Shutting OFF the Combi

To bring the combi to OFF position while it is in SUMMER position;

When the combi is started for the first time, 
screen displays nG letter and then a number 
(for instance 24) indicating kW power of the 
device.

and screen light is closed. Now, combi is in 
STANDBY position. The temperature value 
when electricity is supplied to the device 
is the temperature value of water in the 
installation.

Then, OFF letter is displayed, 

OFF

OFF

Radiator temperature is adjusted with button 
(3) and Domestic Hot Water temperature 
adjustment is made with button(4) and this 
temperature is displayed by indicator (7) on 
the screen.

In order to shuton the combi, hold 

MODE

 

button, whereas a circle starts on the screen, 
release the button when circle is completed.

In such cases, combi initially gets in the 
Radiator position, it’s symbol flashes at left 
top corner of screen and existing radiator 
installation temperature is displayed on the 
screen and then screen light turns off.  At 
that position, you can adjust the temperature 
between 35 – 80 °C with the Radiator (CH) 
temperature adjustment button (3).

Temperature value increases when button is 
rotated clockwise or decreases when rotated 
counter clockwise.  The adjusted value shall 
be confirmed after flashing for 4-5 seconds 
after releasing the button and continues 
to display the temperature value in the 
installation.

{If you have a ground heating system adjust your combi for 
“Low Temperature Operation”, maximum temperature shall be 
limited with the Radiator temperature adjustment button (3) 
(e.g. maximum 50 °C)}.

At that position, you can adjust the 
temperature between 35 – 60 °C with the 
domestic hot water temperature adjustment 
button (4) whose symbol is displayed. When 
DHW button is rotated, while screen light 
is on if you rotate (right) clockwise, you 
can increase the temperature, and you can 
decrease the temperature when rotated 
counter clockwise (left).

If you are starting the combi for the first time 
hold MODE button, and release the button 
after the cycle is completed on the screen, 
initially combi switches to radiator position, 
it’s symbol will flash on left top corner of 
the screen existing radiator installation 
temperature shall be indicated on the screen 
and screen light will be turned-off.

In order to switch to DHW position, hold 
MODE button and release the button after 
completion of cycle on the screen. At that 
position, symbol flashes at right top corner 
of the screen and existing DHW temperature 
will be seen on the screen and screen light 
will turn off.

A sample utilization error; when E81 or E06 
failure codes are displayed on the device 
screen, it has passed to failure since no 
ignition occurred in your device. In that 
case, any of gas line valves connected to the 
combi may be closed, combi boiler will be 
restarted when closed valve is opened and 
RESET button is pressed.  If combi is not 
started with resetting, please consult our 
Authorized Service. 

When the MODE button is hold, after the cycle 
is completed while screen light is on, 

Summary of Contents for LAWA 18

Page 1: ...CONVENTIONAL COMBI BOILERS INSTALLATION USER MANUAL LAWA LAWA PLUS...

Page 2: ...Lawa LawaPlus Enerwa E24 EnerwaPLUSE24...

Page 3: ...2 2 16 Installation at Partially Protected Exteriors 12 2 2 17 Electrical Connections 12 2 2 18 Optional Controls Room Thermostat External Weather Temperature Sensor and Others 13 2 3 HYDRAULIC INSTA...

Page 4: ...under any circumstances during installation use or maintenance operations and device warranty shall also be void Only the authorized Warmhaus Service is authorized to make the electrical connection o...

Page 5: ...r matches Close valves of devices operating with natural gas and your gas meter Immediately evacuate the place with gas odour Natural Gas Emergency Line from your neighbour or another suitable place D...

Page 6: ...lace Wall installation for the combi boiler should be well secured The hanger plate given as standard with the combi should be installed according to the technique to a full or semi full brick wall ac...

Page 7: ...abnormal operations Various alloy layers may be formed during transit of LPG gas in tanks depending on mixture compositions That causes a change in heating power of mixture assigned to the device and...

Page 8: ...er and by using elbows as low as possible At least 1 bar pressurized grid input water should be supplied to ensure adequate domestic hot water Hydrophore should be used if required Figure 10 Flue peri...

Page 9: ...plications Each 45 elbow usage requires to decrease maximum 50 cm from horizontal vertical distance 60 100 Conventional 90 Elbow 153 11 660 600009 It can be used in horizontal and or vertical flue app...

Page 10: ...elbow contacting with the restrictive set Place the External Wall Plate into the flue terminal as seen in Figure 11 12 for grouping the flue output terminal After placing the flue output terminal thr...

Page 11: ...rd Flue Set Elbow 90 b Flue Extension Pipe c Additional 90 Elbow d Standard Flue Set Pipe Figure 16 II Two 90 elbow sample flue installations d a b c a b c d 4 m Figure 15 I Single 90 bended sample fl...

Page 12: ...Hermetic Flue Type fire resistant insulation material is placed between the wall and exhaust gas relief pipe Materials used for manufacturing the combi are resistant against glycol and propylene based...

Page 13: ...sockets and extension cables are not allowed to use 2 2 17 Optional Controls Room Thermostat External Weather Temperature Sensor and Others Room thermostat Outside Temperature Sensor etc control devi...

Page 14: ...of the radiator Combi safety valve relief should be connected to a discharge cone Otherwise safety valve shall be activated and manufacturer shall not be responsible due to water discharge around the...

Page 15: ...s valve radiator and tap water valves If you will shut off the combi for a short period perform below written operations Do not close combi electrical fuse gas valve radiator and tap water valves Leav...

Page 16: ...screens consist of navy blue colored backlight LCD screen 2 buttons Radiator 3 and Hot Tap Water 4 and 2 pcs RESET 2 and MODE 1 pushbuttons RESET It is used for re starting the combi and eliminating t...

Page 17: ...en light turns off At that position you can adjust the temperature between 35 80 C with the Radiator CH temperature adjustment button 3 Temperature value increases when button is rotated clockwise or...

Page 18: ...if the pressure is lower than this value 18 Failure indicator The temperature value displayed on the combi screen has a 3 C tolerance depending on environmental conditions not arising from the combi...

Page 19: ...installation Hold the MODE button for switching on the combi when letter is available on the screen A cycle starts on the screen Release the button when cycle is completed In some cases combi initiall...

Page 20: ...er is seen as the screen screen light turns off your combi is now at STANDBY position Figure 31 Thermostat position Figure 32 Outside weather temperature sensor Figure 33 Outside temperature sensor op...

Page 21: ...zed Service according to your request Air Discharge Function Activating the menu for LAWA PRIWA and ENERWA models Air discharge function can be activated by pressing the RESET button more than 5 secon...

Page 22: ...ermittent contacts or open contacts on harness carefully 3 Check Domestic heating water temperature sensor ressistance 4 Check cabeling and connectors between NTC and board 5 Reset Restart boiler E 13...

Page 23: ...vice at first E 42 Buttons anomaly Boiler does not work E42 error code flashing on the screen Wrong parameters settled on TsP menu 1 Call For service E 43 Opentherm communication error Boiler does not...

Page 24: ...st perform Au To calibration E 78 Max regulation current value reached Boiler does not work E78 error code flashing on the screen Gas inlet pressure Aging or rust on the electrode Recirculation on flu...

Page 25: ...Au To calibration E 88 Fault of electronic gas valve managing circuit Boiler does not work E88 error code flashing on the screen Cabeling disconnections Gas valve failiure 1 Call for authorised servi...

Page 26: ...ration Temporary wind precence 1 If there is strong wind ie wind storm wait until the wind storm stop then keep using the boiler as it is 36 or 48 hours boiler try to remove half power mode by it self...

Page 27: ...ailures occurring due to transportation unloading loading storing external physical Crushing scratches fractures and chemical factors following delivery of the product 6 Damages and failures arising f...

Page 28: ...10 7 28 10 32 5 12 8 Max Domestic Hot Water flow rate t 30 C min 10 5 10 9 10 7 10 9 13 9 13 3 13 9 14 2 Maximum Minimum water pressure bar 10 0 3 10 0 3 10 0 3 10 0 3 Temperature adjustment range oC...

Page 29: ...2ELL I 2H I3P NUMBER OF CHOOSED CONNECTING CONDITIONS Used gas G20 G20 G25 G25 G20 G25 G20 G31 Countries of destination AT BG CH CZ DK EE ES FI GB GR IE IT LT LV NO PT RO SE SI SK DE LU PL RO BE FR NL...

Page 30: ...30 warmhaus com...

Page 31: ...been carefully prepared but we reserve the right to make changes and improvements in our products which may affect the accuracy of the information contained in this leaflet All goods are sold subject...

Page 32: ...CONVENTIONAL COMBI BOILERS INSTALLATION USER MANUAL LAWA LAWA PLUS Instruction booklet code of Lawa LawaPlus 150 11 606 000004 Revision Date 09 2020...

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