Dewhot LPDH12-1 Manual

Dewhot LPDH12-1 Manual

12l indoor eco-flow low pressure gas geyser

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12L Indoor Eco-Flow
Low Pressure Gas Geyser
Type B - LPDH12-1
Install indoors with a flue

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Summary of Contents for Dewhot LPDH12-1

  • Page 1 12L Indoor Eco-Flow Low Pressure Gas Geyser Type B - LPDH12-1 Install indoors with a flue...
  • Page 2 Guarantee After installation, please register your Burn-back product on the Dewhot website (www. In the event of a burn-back, where the flame burns back to the jet, immediately gasgeysers.co.za/product-registration) You will need your invoice and Certificate turn the gas supply off at the gas cylinder.
  • Page 3: Parts Diagram

    Parts Diagram Flue box Heat Exhanger C Temp sensor Flame out sensor Ignition pin Burner Gas Knob Inlet Water Temp sensor Water Flow Control box sensor Battery Box Water Flow value Solenoid Page 3 of 24 Dewhot | Gas geyser manual...
  • Page 4: Technical Parameters

    Type B Gas type Max gas pressure 2,8kpa Rated input 24KW Water pressure 50-500kPa Maximum Water Flow 12L/min Max Gas Consumption 1.56kg/h Unit Size 350 x 610 x 185mm Unit Weight 9.6kg Page 4 of 24 Dewhot | Gas geyser manual...
  • Page 5: Functions And Features

    The appliance will automatically protect itself by releasing pressure if the water supply is over 10 Bar (this should be manually set to lower pressures see page 13). Page 5 of 24 Dewhot | Gas geyser manual...
  • Page 6 1.5 to 2 minutes 52°C 55°C +/- 30 seconds 57°C +/- 10 seconds 60°C less than 5 seconds 63°C less than 3 seconds 66°C +/- 1.5 to 2 seconds 69°C +/- 1 second Page 6 of 24 Dewhot | Gas geyser manual...
  • Page 7 5. The COC should be issued and signed 2. Do not ignite any appliance. after the installation has been inspected. 3. Do not touch any electrical switch. 4. Evacuate the house immediately with your family and pets. Page 7 of 24 Dewhot | Gas geyser manual...
  • Page 8: Installation Instructions

    In the 7. It should be securely mounted to the wall. case of dry walling use dry wall anchors. 8. Installed at least 1400mm off the ground. Page 8 of 24 Dewhot | Gas geyser manual...
  • Page 9: Ventilation Requirements

    4. Once the appliance is operating, the minimum water pressure of 14 psi (0,5 Bar) and a minimum water flow rate of factory connections also need to be 2.5 Litres/min. tested for leaks. Page 9 of 24 Dewhot | Gas geyser manual...
  • Page 10 To keep the water pressure balanced add a 400-600kpa pressure regulating valve on the cold water supply for Page 10 of 24 Dewhot | Gas geyser manual...
  • Page 11 5. Appliances in the vicinity should be shut off to avoid vapours igniting from the gas burner. Flammable vapours can be drawn by air currents from surrounding areas to the inlet of gas geyser. Page 11 of 24 Dewhot | Gas geyser manual...
  • Page 12 SANS 10087:1. If you are unsure please call the Dewhot offices to clarify. 3. You can now open the gas cylinder and any gas shut off valves installed on the gas line. There may be an air 7.
  • Page 13: Operating Warnings

    • The body of the gas geyser can get hot during operatuon, do not touch any part of the gas geyser, except for the gas and water control knobs. Page 13 of 24 Dewhot | Gas geyser manual...
  • Page 14 The gas geyser is fitted with a device that will shut off the gas supply to the burner Page 14 of 24 Dewhot | Gas geyser manual...
  • Page 15 If the temperature is below 39°C or lower than what you would like to shower with, slow down the water flow, bit by bit, until the temperature is comfortable enough to shower as set out on page 16. Page 15 of 24 Dewhot | Gas geyser manual...
  • Page 16: Maintenance And Cleaning

    The cold water supply filters should be this step if the geyser is on. Or ask your cleaned once a year. nearest Dewhot supplier to tectile the Perform regular maintenance on the complete unit before purchasing, this can be geyser to prevent carbon monoxide done for a fee.
  • Page 17: Vacation And Extended Shut-Down

    • Turn on the second the cold freezing temperatures over this period. After a long shut-down period, the gas water supply. geyser needs to be serviced and checked. Page 17 of 24 Dewhot | Gas geyser manual...
  • Page 18 The water flow may be too high Only 35-38 degrees reached The regulator may be undersupplying gas, Check the gas inlet pressure is operating at 2,8 kPa while on the LCD screen the applinace is running Page 18 of 24 Dewhot | Gas geyser manual...
  • Page 19 Temperature sensors are faulty on the radiator or but dies immediately after chimney. less than 1 second or so One of the two solenoids may be faulty. Page 19 of 24 Dewhot | Gas geyser manual...
  • Page 20 Clean out the burners and jets and all black soot soot building up around the top with a degreaser. of the geyser Page 20 of 24 Dewhot | Gas geyser manual...
  • Page 21 Type D by associating it with ‘Donkey’. installed outdoors. Donkeys inherently live outdoors but more aligned with the old donkey water heaters which were steel water tanks installed over a fire outdoors. Page 21 of 24 Dewhot | Gas geyser manual...
  • Page 22 Once an installation is Before you sign off the installation, make complete you are required to brief, in full, sure you also receive your COC the operational and safety functions of the unit. Page 22 of 24 Dewhot | Gas geyser manual...
  • Page 23 Track your product journey by registering your profile and products on our portal. This will also give you the ability to log faults, view terms & procedures or talk to a technician. The Dewhot Difference We care, we share, we evolve...

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