Related Manuals for Wijas POW-LCD 12
Summary of Contents for Wijas POW-LCD 12
- Page 1 INSTALLATION AND OPERATION MANUAL Flow water heaters type POW-LCD 12, 15, 18, 21, 24...
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Page 2: Installation Instructions
Before using the heater, please read the instructions carefully. In the future it will benefit by its failure-free operation for a long time. Flow water heaters series POW 12, 15, 18, 21, 24 – LCD are intended for heating tap water. They can supply hot water to several water outlets located in different rooms. - Page 3 6. Check the starting of pressure switch. 7. Remove the securing blanking plugs from water pipes. 8. Connect the heater to the water distribution system (Fig. 5 outlet service line marked 14, outlet marked 15) 9. Switch on the water supplying the heater and check the tightness of the connections. 10.
- Page 4 Fig. 3. Fig. 4 Diagram of electrical wiring Water heater Start-up In order to remove air from the water distribution system and the heater, before turning the power on, open the hot water valve for approx. 20 seconds in order to remove air bubbles from the system.
- Page 5 Setting the temperature of water is done by pressing one of the buttons located under the display marked “–” and “+ ” (Fig. 1) in the range from 30 C to 60 C accurate every 0.5 Detecting the flow greater than 2.7 l/min by the heater system will result in switching off the device.
- Page 6 Display service mode The simultaneous pressing of buttons marked “–” and “ + ” for about 1 second will make the display shift from the basic mode (the information about the set temperature and power is displayed) to the service mode enabling to show such data as: –...
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Page 7: Cleaning The Water Filter
Cleaning the water filter In a situation when the filter has become fully or partially blocked: 1. Disconnect the power supply. 2. Unscrew the fastening screw located at the bottom of the housing (Fig. 1), then take off the housing holding it at such a distance from the heater that the ribbon cable connecting the display with the heater was not tightened, and then disconnect the cable by plugging it out of the socket marked “LCD”... -
Page 8: Technical Data
Too small flow of water: – blocked water filter. – too small water pressure. – control valve closed too tightly. – main valve not completely open. The heater does not heat or heats poorly: – wrong hydraulic, failure of the electrical wiring powering the heater. The heater does not heat the water to the set temperature: –... - Page 9 Internal structure of the device 1. Lower housing. 11. Terminals will be parts of the pressure 2. Upper housing (fig. 1) switch. 3. Display board with keyboard. 12. Hole for inserting the power cord. 4. Heating unit. 13. Controller board. 5.
- Page 10 Fig. 7 Schematic diagram of POW 12 – thermal switch – display board and keyboard – flow switch (turbine) – inlet water temperature probe – outlet water temperature probe 6, 7 – flow switch and air lock sensor – heating unit –...
- Page 11 Fig. 8 Schematic diagram of POW 15, 18, 21, 24 – thermal switch – display board and keyboard – flow switch (turbine) – inlet water temperature probe – outlet water temperature probe 6, 7 – flow switch and air lock sensor –...
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Page 12: Contents Of The Packaging
Contents of the packaging Heater POW-LCD pcs. 1 Control valve pcs. 1 Fastening screws with expansion plugs pcs. 3 Gaskets pcs. 2 Template pcs. 1 Operating instructions pcs. 1 Guaranty card pcs. 1 IMPORTANT INSTRUCTIONS CONCERNING THE DETERIORATED DEVICE Pursuant to the provisions of the Act dated 29 July 2005 on waste electric and elec- tronic equipment, it is forbidden to put together with municipal waste the deteriorated equipment marked with the symbol of the crossed out bin.