IES990216A2 - A domestic water heater - Google Patents

A domestic water heater

Info

Publication number
IES990216A2
IES990216A2 IE990216A IES990216A IES990216A2 IE S990216 A2 IES990216 A2 IE S990216A2 IE 990216 A IE990216 A IE 990216A IE S990216 A IES990216 A IE S990216A IE S990216 A2 IES990216 A2 IE S990216A2
Authority
IE
Ireland
Prior art keywords
flow rate
domestic
heater
water
water heater
Prior art date
Application number
IE990216A
Inventor
Stephen William John Grant
Original Assignee
Alley Enterprises Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alley Enterprises Ltd filed Critical Alley Enterprises Ltd
Priority to IE990216A priority Critical patent/IES990216A2/en
Publication of IES81007B2 publication Critical patent/IES81007B2/en
Publication of IES990216A2 publication Critical patent/IES990216A2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2028—Continuous-flow heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/215—Temperature of the water before heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/238—Flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/104—Inspection; Diagnosis; Trial operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms

Abstract

A domestic water heater (1) for use with a domestic water boiler (3) is provided. The heater (1) has usually more than one electrical heating element and preferably three which increase the total heating capacity by forty percent or so. The heater (1) comes into operation when the draw off from the boiler (3) exceeds a flow rate of 8 litres per minute or so and the temperature of the water falls below an acceptable output temperature. It is particularly useful for Combi boilers which are demand draw off combination central heating and domestic hot water supply boilers with relatively little hot water storage capacity.

Description

A Domestic Water Heater A domestic water heater (1) for use with a domestic water boiler (3) is provided. The heater (1) has usually more than one electrical heating element and preferably three which increases the total heating capacity by forty percent or so. The heater (1) comes into operation when the draw off from the boiler (3) exceeds a flow rate of 8 litres per minute or so and the temperature of the water falls below an acceptable output temperature. It is particularly useful for Combi boilers which are demand draw off combination central heating and domestic hot water supply boilers with relatively little hot water storage capacity.

Claims (5)

1. A domestic water heater of the type comprising a water cylinder housing an electrical heating element and including a water inlet port and a water outlet port, characterised in that the heater (1) includes a throughput flow rate measuring device (7), a water inlet thermometer (16) and control means (15) for causing the electrical heating element (8, 9) to operate when the flow rate exceeds either a critical flow rate or the temperature falls below a preset minimum temperature.
2. A domestic water heater as claimed in claim 1 in which there are a plurality of heating elements (8, 9), which are progressively activated as the temperature drops below the preset minimum temperature by a preset critical temperature increment and the flow rate exceeds a critical flow rate.
3. A domestic water heater as claimed in claim 1 or 2 in which there are three 3 KW heating elements and the control means (15) includes means for varying the setting of the critical flow rate and the critical temperature between 6 and 10 litres/minute and 4°C to 6°C respectively.
4. A domestic hot water heating system comprising a main hot water boiler having an outlet pipe feeding the domestic water heater as claimed in any preceding claim.
5. A domestic water heater and water heating system substantially as described herein with reference to and as illustrated in the accompanying drawings. CRUICKSHANK & CO.
IE990216A 1998-03-18 1999-03-18 A domestic water heater IES990216A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IE990216A IES990216A2 (en) 1998-03-18 1999-03-18 A domestic water heater

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE980192 1998-03-18
IE990216A IES990216A2 (en) 1998-03-18 1999-03-18 A domestic water heater

Publications (2)

Publication Number Publication Date
IES81007B2 IES81007B2 (en) 1999-09-22
IES990216A2 true IES990216A2 (en) 1999-09-22

Family

ID=11041730

Family Applications (2)

Application Number Title Priority Date Filing Date
IE990216A IES990216A2 (en) 1998-03-18 1999-03-18 A domestic water heater
IE990215A IE990215A1 (en) 1998-03-18 1999-03-18 A domestic water heater

Family Applications After (1)

Application Number Title Priority Date Filing Date
IE990215A IE990215A1 (en) 1998-03-18 1999-03-18 A domestic water heater

Country Status (2)

Country Link
EP (1) EP0943877A3 (en)
IE (2) IES990216A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2103882B1 (en) * 2008-03-20 2013-05-22 Daikin Industries, Ltd. Heater
EP2489290B1 (en) * 2011-02-18 2014-12-03 Gruppo Cimbali S.p.A. An improved system for heating the water in a boiler and a respective method
CN109974307A (en) * 2019-02-12 2019-07-05 芜湖美的厨卫电器制造有限公司 The starting control device and method of water heater, water heater

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294986B (en) * 1970-07-13 1971-12-10 Josef Kaiser Electric instant water heater
WO1997024014A1 (en) * 1993-08-30 1997-07-03 White James A Jr Flow-through tankless water heater with flow switch and heater control system
NL1000210C2 (en) * 1995-04-24 1996-10-25 Apparatenfabriek Warmtebouw B Combi boiler with improved performance.

Also Published As

Publication number Publication date
EP0943877A2 (en) 1999-09-22
EP0943877A3 (en) 2000-06-07
IES81007B2 (en) 1999-09-22
IE990215A1 (en) 1999-09-22

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Legal Events

Date Code Title Description
MK9A Patent expired