hajdu ZV80ErP Installation And Owner's Manual

Contents

ENIn order to flush the unit, please, keep the water flowing for some minutesand then close it.7.2. With the help of the main switch, connect the water tank to the electricsystem. Set the desired temperature with the help of the temperaturecontrolling button. During heating, the indicator is lit on.7.3. During heating time, the expanding water may leak through thewater outlet of the combined safety valve, therefore this pipe has to bekept opened toward the air space.7.4. At the end of heating time, when the temperature of the water reachesthe value set, the temperature controller switches off automatically. Afterdraining appr. 15% of water quantity, the controller has to switch the heatingon automatically. If the controller is not switching on the heatingautomatically, please call the repair service.8. OPERATION AND MAINTENANCEIf water leakage from the interior of the water tank or any other abnormalityare detected, please, switch off the water tank from the elec tric and pipelinesystems immediately with the help of the closing valve and the main switch.Leaking of the hot water faucet causes damaging overheating. Thereparation of the faucet is Your own interest.8.1. Combined safety valvePlease blow off th e valve at least every second month turning the blow offbutton of the safety valve in the direction indicated by the arrow when thehot water tank is in a cooled state. This way, the valve seat is cleaned fromsand grains and blocks them from sticking. If water leakage does not stopafter switching off the heat, please turn to repair service. By the way, it isrecommended to ensure annual check of the hot water tank.8.2. Temperature controlling device27