Dewhot 12lt Скачать руководство пользователя страница 19

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Dewhot 

| Gas geyser manual

Dewhot 

| Gas geyser manual

GENERAL CLEANING

1.  Clean the appliance and remote control 

by using a damp soft cloth only. Gently 
wipe the surfaces of the appliance and 
any remaining moisture with a dry  
soft cloth.

2. Do not store household items near or on 

top of the appliance

3. inlet water filters should be cleaned on a  

regular basis.

4. DO NOT scrub the appliance with  

a brush.

5. Use only water, any chemicals can 

damage the surface of the appliance.

6. DO NOT remove any labels, including the 

rating table when cleaning or servicing.

7. DO NOT splash water on the remote 

controls when cleaning.

CLEANING THE  

WATER FILTER 

•  Turn the appliance off 
•  Turn the water supply to the  

appliance off. 
Unscrew the water fitting and pull the 
filter out.

•  Remove particles - use a soft brush and 

rinse it with running water.

•  Put the filter back and screw it in 
•  Turn on the second the cold  

water supply.

CAUTION

Cleaning of the main burner should always 

be performed by Registered LPG Installer.

A compressor can be used to clean  

the burner. 

BURNER INSPECTION

Visually check the main burners annually.

Use the sight glass to check the flame 

picture, the flame should be a clean blue 

flame only.

If a yellow flame occurs, the gas geyser 

should be shut down and you should call a 

qualified installer to assess the appliance.

Check to make sure that the air supply and 

the vent terminal have not been blocked 

or contain debris.

VACATION AND EXTENDED 

SHUT-DOWN

If the gas geyser is left for an extended 

period of time, the power and gas to the 

appliance should be turned off.

The gas geyser and piping should be 

drained if they could be subjected to 

freezing temperatures over this period.

After a long shut-down period, the gas 

geyser needs to be serviced and checked.

 

Содержание 12lt

Страница 1: ...12lt Constant Temperature...

Страница 2: ......

Страница 3: ...rn back In the event of a burn back where the flame burns back to the jet immediately turn the gas supply off at the gas cylinder After ensuring the flame is extinguished wait for I minute and then re...

Страница 4: ...Page 4 of 30 Dewhot Gas geyser manual Burner Parts Diagram LCD screen Controller box LCD screen Pilot assembly Pilot jet Gas valve Battery Box Pilot tube Burner Washer Jet Bar Test Point...

Страница 5: ...Page 5 of 30 Dewhot Gas geyser manual Outlet Temp sensor 850 C Temp sensor 1100 C Temp sensor Cover Chimney box Inlet water valve Water flow sensor Inlet Temperature sensor Radiator...

Страница 6: ...meters Description Constant temperature Model no NDCT12DH Model Type B Gas type LPG Max gas pressure 2 8kpa Rated input 24kw Water pressure 20 500 kPa Maximum Water Flow 12L min Max Gas Consumption 1...

Страница 7: ...SED TO BACK UP SOLAR GEYSERS Use this gas geyser in conjuction with our solar to gas valve to boost your solar water temperature in the winter months or colder cloudier summer days FLAME OUT SENSOR Th...

Страница 8: ...nd energy savings need to be considered when setting the water temperature Water temperatures above 52 C can cause severe burns Refer to page 16 1 Households with small children disabled or elderly pe...

Страница 9: ...witch 4 Evacuate the house immediately with your family and pets 5 Leave the doors open for ventilation and contact the gas supplier registered LP Gas Installer or Fire Department 6 Stay away from the...

Страница 10: ...GAS GEYSER Install the appliance in a place that allows for easy access for future servicing and replacing batteries Use at least 8mm concrete plugs and screws to mount the gas geyser to the wall In...

Страница 11: ...as geyser requires a minimum water pressure of 14 psi 0 5 Bar and a minimum water flow rate of 2 5 Litres min 1 For long pipe runs water pressure can drop and additional water pressure may be required...

Страница 12: ...essure regulating valve on the cold water supply for municipal water feeds Install a shutoff valve near the inlet of the gas geyser for service and draining purposes Installation of demountables is re...

Страница 13: ...appliance If such flammables must be used open doors and windows for ventilation 5 Appliances in the vicinity should be shut off to avoid vapours igniting from the gas burner Flammable vapours can be...

Страница 14: ...cycles until the gas reaches the burners it will then ignite should this not work after three cylces use the gas bleeder valve to bleed the gas through 4 You can adjust the temperature of your new gas...

Страница 15: ...your gas supply and turn off the gas geyser in the event of a hot water leakage the geyser will not turn on The body of the gas geyser can get hot during operatuon do not touch any part of the gas ge...

Страница 16: ...aximum water temperatures are reached The water temperature is determined by turning on a hot water tap Water temperatures at the tap will vary depending on the weather and length of piping from the g...

Страница 17: ...with your hand before use and remember that hotter water settings increase the risk of injury The gas geyser is fitted with a device that will shut off the gas supply to the burner if the appliance ex...

Страница 18: ...ilters should be cleaned once a year 5 Perform regular maintenance on the geyser to prevent carbon monoxide dangers excessive hot water temperatures or other potentially hazardous conditions DO NOT 1...

Страница 19: ...brush and rinse it with running water Put the filter back and screw it in Turn on the second the cold water supply CAUTION Cleaning of the main burner should always be performed by Registered LPG Ins...

Страница 20: ...time Unit fires continuously without a flame coming on or showing an error Faulty controller Faint firing and PA BA or 6A comes up on the screen Flat batteries The geyser flame comes on and runs up t...

Страница 21: ...section is faulty check the first and second stage solenoids with a voltmeter Unit suddenly goes cold during use Batteries may be flat Regulator is delivering too high a gas pressure unit shuts off h...

Страница 22: ...t operation of the appliance again IF THE ERROR CODE IS STILL SHOWN Turn off the hot water tap and turn off the switch on the LCD Take note of the error code displayed and call the Dewhot Technical Se...

Страница 23: ...valve or controller E1 No flame signal detected within 60s on the pilot flame No flame signal detected within 10s on the main burner Check the gas inlet pressure is operating at 2 8 kPa Check whether...

Страница 24: ...ure suddenly dropped causing a temperature spike check the flow rate is above 3lt min with the bucket test Change the radiator water temp sensor for an 85 C sensor Change the outlet temp sensor Change...

Страница 25: ...3lt min with the bucket test Change the gas valve or controller EA Open circuit of input water temperature sensor Check whether the wire of input water temp sensor is pulled off burnt or damaged Chan...

Страница 26: ...operational and safety briefing Before you sign off the installation make sure you also receive your COC Installer This appliance may only be installed by a LPG Installer registered with the South Af...

Страница 27: ...Page 27 of 30 Dewhot Gas geyser manual...

Страница 28: ...Page 28 of 30 Dewhot Gas geyser manual www dewhot com...

Страница 29: ...www dewhot com...

Страница 30: ...12lt Constant Temperature...

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