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Dewhot 

| Gas geyser manual

Water-controlled automatic 

ignition

This unit has a water flow sensor that 
will immediately ignite the burner when 
detecting  water flow

Auto cut off protection

The temperature sensor will automatically 
cut off the gas flow and cut off the unit if 
the temperature is exceeded

Low water pressure start up

The unit will activate from a water supply 
pressure of 0,015MPA.  This indicates 
that it is suitable for low water pressure 
applications

Anti-freeze protection

The unit will automatically release a small 
amount of water to stop it from freezing

Dry combustion protection

In the event of dry combustion, the unit 
will automatically shut down

Over pressurisation protection

The unit will automatically protect itself 
by releasing pressure if the water supply is 
over 1.0 MPA

Flame out sensor

This is designed to automatically cut off 
the gas supply should the flame/ burner 
unexpectedly extinguish

Functions & Features

Summary of Contents for LPDH 5

Page 1: ...5L Flueless Low Pressure...

Page 2: ...your dealer or gas supplier immediately Burn 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...

Page 3: ...nd safety briefing Before you sign off the installation make sure you also receive your certificate of compliance COC Installer This appliance may only be installed by a LPG Installer registered with...

Page 4: ...supply pressure of 0 015MPA This indicates that it is suitable for low water pressure applications Anti freeze protection The unit will automatically release a small amount of water to stop it from f...

Page 5: ...ser manual Parts Diagram Oxygen Depletion Sensor ODS Flame Out Sensor Control Dial Gas Valve Battery Box Gas Inlet Heat Exchanger Burner Water Flow Sensor Thermostat Ignition Controller Water Inlet Va...

Page 6: ...Warning 1 The gas geyser must be installed in a well ventilated place While Operating the gas geyser consumes a lot of oxygen so air inlet vents are required to match specification in table above Air...

Page 7: ...les in the new pipe do not enter the gas geyser Hot Water Supply Pipe The hot water outlet joint is a standard half inch 15mm male plumbing fitting The hot water outlet pipe should be connected using...

Page 8: ...so try two or three times 5 By closing the water inlet or outlet valve the gas heater will stop working If needed again just re open the water inlet valve or water outlet valve Please note that the t...

Page 9: ...e premises for extended periods turn off your gas supply The body of the gas geyser can get very hot so please don t touch any part of the gas geyser except for the switches Do not put any foreign obj...

Page 10: ...m drain holes in the battery box lid to stop any moisture build up in the future The geyser has new batteries and the water is flowing through the geyser but does not ignite properly Disconnect the in...

Page 11: ...he solenoids can be faulty replace one at a time The unit fires over again for its 10 second cycle however the geyser does not ignite and you cannot hear the CLACK of the solenoids Disconnect the gas...

Page 12: ...ularly clean the surface of the gas geyser body to remove dirt or dust using a neutral detergent 3 Do not use a a strong detergent like benzene or gasoline to clean the plastic parts and printed surfa...

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