Dewhot OD20DH Manual Download Page 5 | Manualshive

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Dewhot OD20DH Manual Download Page 5

Page 5 of 24

Dewhot

| Gas geyser manual

Dewhot

| Gas geyser manual

Lock ring

Water outlet

connector

Control unit support

Combustion valve

Water inlet connector

Water flow sensor

Transformer

Sensor pin

clamp

Chimney

gasket

Chimney

Temperature

Controler

Heat

exchager

Burner

Fan

Control

unit

Bottom

Panel

Power

cord

Bottom

support

Dispatcher

Front Panel

Sensor pin

Gas inlet connector

Parts Diagram

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Summary of Contents for OD20DH

Page 1: ...20L Outdoor Fan Forced Gas Geyser...

Page 2: ...iance 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 extinguished wait for I minute and...

Page 3: ...erational 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 Afric...

Page 4: ...as type LPG Max gas pressure 2 8kpa Hot water output 2 5 20L min Water pressure 0 25 5 BAR Rated input 40kw Water Flow 2 5 20L min Rated voltage 240V 60Hz Rated Electrical Power 45W IP Rate IPx4D Max...

Page 5: ...support Combustion valve Water inlet connector Water flow sensor Transformer Sensor pin clamp Chimney gasket Chimney Temperature Controler Heat exchager Burner Fan Control unit Bottom Panel Power cord...

Page 6: ...on with out water flow the appliance will automatically shut down OVER PRESSURISATION PROTECTION The appliance will automatically protect itself by releasing pressure if the water supply is over 10 B...

Page 7: ...en disabled or elderly people need to set the temperature to 49 C or lower 2 Maximum water temperature occurs when the burner is on To see the water temperature look at the front control panel of the...

Page 8: ...as leaks Use a soapy solution to check all gas fittings and connections Bubbles indicate a leak 1 Do not attempt to find the cause yourself and turn off the gas supply 2 Do not ignite any appliance 3...

Page 9: ...r supply fittings will permanently damage the internal components of the gas geyser MOUNTING THE GAS GEYSER Install the appliance in a place that allows for easy access At least 8mm concrete plugs and...

Page 10: ...ove the shower head is a minimum requirement if this is not possible then gravity fed water is not recommended WATER SUPPLY 1 Sufficient water pressure and flow rate 2 Make sure there are no water lea...

Page 11: ...used at the same time GAS SUPPLY LEAK TESTING 1 The gas geyser and its gas connections must be tested for leaks at the normal operating pressures before using it 2 Turn on the gas shut off valve s 3...

Page 12: ...apy solution must be used to check all connections and fittings for gas leaks 5 The COC issued and signed ELECTRICAL CONNECTION POWER CORD Electrical connections and wiring must comply with national s...

Page 13: ...de atmosphere 3 Pay attention to the flame picture from time to time If there is abnormal combustion such as a bright yellow flame close the gas valve right away and contact the gas installer for main...

Page 14: ...r 14 Flammable vapours can be drawn by air currents from surrounding areas to the inlet of gas geyser ADJUSTING THE OVER PRESSURISATION VALVE When you have done a new installation and have connected t...

Page 15: ...on a hot water tap Water temperature at the tap will vary depending on the weather and length of piping from the gas geyser This gas geyser contains an electronically controlled thermostat Factory def...

Page 16: ...ser at 43 C and for pipe runs longer than 5m try setting the geyser at 46 C If you find these temperatures are not satisfactory then increase the temperature by 1 2 C at time until you feel the water...

Page 17: ...ilters should be cleaned monthly NOTE 1 Before manually operating the relief valve make sure the gas geyser has not been in operation this is to avoid hot water discharge from the relief valve 2 If yo...

Page 18: ...he appliance with a brush Use only water any chemicals can damage the surface of the appliance DO NOT remove any labels including the rating table when cleaning or servicing DO NOT splash water on the...

Page 19: ...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...

Page 20: ...huts off The water pipes are frozen Let the pipes defrost Appliance is not ON Turn the appliance ON by the button on the remote control The temperature may be set too low Increase the temperature sett...

Page 21: ...the controller The water valve is not completely open so the flow rate will be too slow Check the valve and make sure its opened to its maximum The Water filter is clogged Clean the filter with a toot...

Page 22: ...ODE IS STILL SHOWN Turn off the hot water tap and turn off the switch on the remote control Take note of the error code displayed and call the Technical Service number on the back cover If an error co...

Page 23: ...then restart E2 Flameout accidently Check whether gas valve is open or water pressure too low close water and restart E3 Hot water output temperature too high or dry combustion Contact your installer...

Page 24: ...Page 24 of 24 Dewhot Gas geyser manual www dewhot com...

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