Danfoss DHP-A User Manual
Also see for DHP-A: User guideService instructionsInstallation and service instructionsUser manualInstallation and service instructions
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Contents
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The brine must be topped up when the level drops so that it is no lon-ger visible in the expansion tank.Symbol explanation1 2Figure 1. Level, brine1 Correct level2 Level too lowDuring the first month of operation the brine level might drop a little,which is quite normal. The fluid level may also vary depending on thetemperature of the heat source. Under no circumstances, however,must the fluid level be allowed to drop so much that it is no longer visi-ble in the expansion tank.For DHP-A with pressurized brine circuit the manometer on the expan-sion tank must show approx. 1.0 bar.Always call your installer for refilling of refrigerant.6.4 Checking safety valvesBoth the safety valves for the installation must be checked at least fourtimes a year to prevent lime deposits clogging the mechanism.The safety valve of the water tank protects the enclosed heater againstover pressure in the water tank. It is mounted on the cold water inletline, its outlet opening facing downwards. If the safety valve is notchecked regularly, the water tank might be damaged. It is quite normalthat the safety valve lets out small amounts of water when the watertank is being charged, especially if a lot of hot water was used previ-ously.Both safety valves can be checked by turning the cap a quarter of a turnclockwise until the valve lets out some water through the overflow pipe.If a safety valve does not work properly, it must be replaced. Contactyour installer.The opening pressure of the safety valves is not adjustable.User manual VUBMA902 – 23 |
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