electric hot-water heater so that it is prevented that pressure in an inner vessel becomes a dangerous state, even in the case the halfway of a vapor exhaust passage is clogged, or an electric heater becomes an abnormally heated state, and also, temperature of hot water can be detected ...
Electric water heater diagnosis & repair procedures: Here we explain how to test and repair an electric hot water heater that is not heating at all or is not producing enough hot water. We start with simple basic checks and then move to testing and replacing bad controls or bad water heater...
method wherein a pipe is concentrically arranged around a heater body which is installed vertically within the hot water accumulation tank and a temperature of hot water discharged out of the upper part of the pipe under heating of the heater body is controlled to become the desired temperature....
The heat pump is connected to the heating central in the old building by means of insulated water tubes. The water is heated by the heat pump. At low ambient temperatures, the heat distribution water will be post heated by an electric or an oil-fired boiler. The heat distribution system ...
The input and output line (6, 7) for the radiator (8) can be selectively coupled via an indirect hot water tank heating loop. The electric heat source (2) uses at least two independent heater stages (3, 4, 5), which are controlled in dependence on the temp. difference between a ...
How to buy the right water heater for your home. Expert buying guide that discusses conventional storage , tankless , point-of-use, and solar water heaters.
Heating mechanism: Electric water heaters have heating elements inside the tank to heat the water. A gas water heater uses a burner and chimney system instead. Drain valve: Located near the bottom of the exterior housing, the drain valve makes it easy to empty the tank to replace the element...
HOT-WATER STORAGE TYPE HEATING AND HOT-WATER SUPPLY DEVICE The hot-water storage tank (21) has a first outgoing opening for heating located near and above the electric heater (23), and also has a return opening for heating located at the lower part of the hot-water storage tank (21).....
专利名称：ELECTRIC HOT-WATER HEATER 发明人：SHIMADA KAZUYUKI,TABUCHI SADATOSHI,NAKAO YOSHITADA,NIIYAMA TORU,KONNO SETSUZOU 申请号：JP30500287 申请日：19871201 公开号：JPH01145028A 公开日：19890607 专利内容由知识产权出版社提供 摘要：PURPOSE: To lessen a waste of power by making equipment have such a...
system with electric supplementary heater is conducted, and some conclusions are drawn for evaluating the energy efficiency of solar water heating system.Liu... A Liu,Y Zhu,L Song 被引量: 0发表: 2010年 A Study on the Design of Hot - Cold Service Piping System in Apartment House Equipped ...