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Table of Contents
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Summary of Contents for Dewhot NDCT16DH
- Page 1 16lt Constant Temperature...
- Page 3 Guarantee Burn-back After installation, please register your product on the Dewhot website (www. In the event of a burn-back, where the gasgeysers.co.za/product-registration) flame burns back to the jet, immediately You will need your invoice and Certificate turn the gas supply off at the gas cylinder.
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Page 4: Parts Diagram
Parts Diagram LCD screen Controller screen Pilot assembly Pilot Pilot tube valve Battery Jet Bar Test Point Burner Washer Burner Page 4 of 30 Dewhot | Gas geyser manual... - Page 5 Cover C Temp sensor C Temp sensor Outlet Temp sensor Chimney box Radiator Inlet Temperature sensor Water flow sensor Inlet water valve Dewhot | Gas geyser manual Page 5 of 30...
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Page 6: Technical Parameters
Technical parameters Description Constant temperature Model no NDCT16DH Model Type D Gas type Max gas pressure 2,8kpa Rated input 32kw Water pressure 20-500 kPa Maximum Water Flow 16L/min Max Gas Consumption 2.3 kg/h Unit Size 730x 400x 220mm GW 15.5kg NW 13.3kg... -
Page 7: Functions And Features
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. Dewhot | Gas geyser manual Page 7 of 30... - Page 8 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 8 of 30 Dewhot | Gas geyser manual...
- Page 9 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. Dewhot | Gas geyser manual Page 9 of 30...
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Page 10: Installation Instructions
In the case of dry walling use dry wall anchors. WATER SUPPLY This appliance must only be used with the following water supply requirements: Page 10 of 30 Dewhot | Gas geyser manual... -
Page 11: Water Supply Connections
2. When the water is supplied from a water tank, the height of the tank, the diameter of the pipes and their relation to water pressure, should be taken into consideration. Dewhot | Gas geyser manual Page 11 of 30... -
Page 12: Important Tips
Installation of demountables is recommended on the hot and cold water lines, so that the gas geyser may easily be disconnected for servicing. Page 12 of 30 Dewhot | Gas geyser manual... - Page 13 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. Dewhot | Gas geyser manual Page 13 of 30...
- Page 14 4. You can adjust the temperature of Page 14 of 30 Dewhot | Gas geyser manual...
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Page 15: 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 control panel. • Do not put any foreign objects in the Dewhot | Gas geyser manual Page 15 of 30... -
Page 16: Water Temperature Settings
ON/OFF pressing the UP or down arrows on the temperature button (also see page 17). By pressing the UP or DOWN you buttons will adjust the temperature point by 1°C increments. Page 16 of 30 Dewhot | Gas geyser manual... - Page 17 The gas geyser is fitted with a device that shower loosing greater amounts of heat. will shut off the gas supply to the burner Dewhot | Gas geyser manual Page 17 of 30...
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Page 18: Maintenance And Cleaning
4. The cold water supply filters should be performed at any location inland or coastal. cleaned once a year. Do not perform this step if the geyser is on. 5. Perform regular maintenance on the Page 18 of 30 Dewhot | Gas geyser manual... -
Page 19: General Cleaning
After a long shut-down period, the gas • Put the filter back and screw it in geyser needs to be serviced and checked. • Turn on the second the cold water supply. Dewhot | Gas geyser manual Page 19 of 30... - Page 20 Only 35-38 degrees reached on on the cold water line the LCD screen The regulator may be undersupplying gas, Check the gas inlet pressure is operating at 2,8 kPa while the applinace is running; Page 20 of 30 Dewhot | Gas geyser manual...
- Page 21 45 deg. Unit fires and dies, fires and dies, fires and dies four times in Gas section wiring loom is faulty. a row then fails totally. Dewhot | Gas geyser manual Page 21 of 30...
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Page 22: Error Code Guide
LCD. • Take note of the error code displayed • Wait for about 2 minutes before turning and call the Dewhot Technical Service it on again. number. CAUTION • Open the hot water tap. - Page 23 20 min shut off tap. Check the gas inlet pressure is operating at Flame signal detected 2,8 kPa; without any water flow Change the gas valve and perform a pressure test Dewhot | Gas geyser manual Page 23 of 30...
- Page 24 3L/min - open temperature spike (check the flow rate is above 3lt/ circuit of the over min with the bucket test); heat temperature sensor Change the gas valve or controller Page 24 of 30 Dewhot | Gas geyser manual...
- Page 25 Change the loom to LCD of the controller is damaged Change the LCD screen Change the controller Controller Change the controller malfunction The batteries are flat Change the batteries FLASH Low battery Change batteries Dewhot | Gas geyser manual Page 25 of 30...
- Page 26 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 26 of 30 Dewhot | Gas geyser manual...
- Page 27 Dewhot | Gas geyser manual Page 27 of 30...
- Page 28 Dewhot | Gas geyser manual Page 28 of 30...
- Page 29 www.dewhot.com...
- Page 30 16lt Constant Temperature...
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