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Summary of Contents for ESP Ecocent 250T
- Page 1 ECOCENT 250 T & 250 T2 Installation and Operation Manual 1 of 34 www.esavep.com V 1.0...
- Page 2 WARNING ! READ THIS BEFORE INSTALLING THE UNIT All un-vented water heating systems above 15 litres (this includes the ESP Ecocent Hot Water ASHPs) MUST be installed to meet the requirements of the local area Building Regulations. It is a legal requirement that the local Building Control Officer be notified of any proposed installation of un- vented water heating systems over 15 litre capacity.
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Page 3: Table Of Contents
Contents Page Preface General Notes Safety Precaution Installation Notes Operating Notes Moving and Repairing notes Operation Notes Component Checklist Sitting the Unit Some notes on Ducting Water Supply Outlet/Terminal fittings Limitations Hot Water ASHP Package Basic system schematic Specification Appearance System Principles Dimensions Specifications... - Page 4 Insulation Treatment Wiring Earthing Unit System Controls Immersion Heater Operation Control panel explanation Controller Functions Before running the unit Maintenance Requirements for the Cylinder Checking operation of safety valves Cleaning the Strainer Log Book Maintenance Requirements 10.0 Simple Fault Finding 10.1 FAQs 11.0...
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Page 5: Preface
Further, improper installation, operation and/or maintenence , and failure to maintain the unit as per this manual will invalidate any unit warranty or guarantee. The manual may be altered and/or updated in any way at the sole discression of the supplier and/or ESP without notice. 2.0 GENERAL NOTES 2.1 Safety Precautions Below you will find information that is critical for the safe and proper installation and the use of the unit. -
Page 6: Installation Notes
2.2 Installation Notes The heat pump must only be installed by a suitably qualified Professional engineer. Failure to ensure this can cause damage to the & qualified unit and may cause serious injury. The warranty on the unit installer will also be invalidated if a suitably qualified engineer is not is required engaged to install it. - Page 7 Fused and protected by an RCD. 2.6 General Requirements IMPORTANT: PLEASE READ AND ENSURE THAT YOU UNDERSTAND THESE INSTRUCTIONS BEFORE INSTALLING THE ESP ECOCENT (“DHW ASHP” OR “UNIT”). INCORRECT INSTALLATION WILL INVALIDATE ANY GUARANTEE AND MAY BE DANGEROUS. 7 of 34 www.esavep.com...
- Page 8 PLEASE NOTE THAT THERE ARE ESSENTIALLY 2 UNITS COMBINED INTO ONE IN THE ESP ECOCENT AND YOU MUST BE SURE TO UNDERSTAND BOTH ELEMENTS – THE INDIRECT HOT WATER CYLINDER AND THE AIR SOURCE HEAT PUMP. PLEASE ALSO NOTE THAT THE ECOCENT CAN BE INSTALLED IN EITHER A VENTED OR UNVENTED SYSTEM.
- Page 9 will allow the Ecocent to operate efficiently (the inlet air should not be below 7° C or above 43° C). The optional secondary coil in the Ecocent (25T2 model) enables direct connection to a second stable heat source, e.g. a solar heating system or a boiler. Under no circumstances is the Ecocent to be installed onto an uncontrolled heat source e.g wood burner or back boiler Picture 1...
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Page 10: Some Notes On Ducting
Directional cooling ducting (picture 4) can be fitted with air diverters (e.g. the ESP “Ecobox”) so that the cool exhaust air can be directed to chosen areas. Picture 4 Siting the Ecocent – some points: 1. Decide upon the right route to be taken to move the unit to the chosen position. -
Page 11: Outlet/Terminal Fittings
NOTE: A high mains water pressure will not always guarantee high flow rates. The main supply pipe to the unit must be 22mm. The minimum mains water supply requirements should be 0.15 MPa (1.5 bar) working pressure and 20 litres per minute flow rate at the Ecocent. At these levels, outlet flow rates may be poor if several outlets are used simultaneously –... -
Page 12: Basic System Schematic
Wales), The Building Regulations (Scotland) or Building Regulations (Northern Ireland). B) The Water Fittings Regulations (England and Wales) or Water Bye laws (Scotland). C) EN 806. D) Any other applicable Regulations. Failure to observe any of the above conditions will invalidate the warranty/guarantee. 4.5 Hot Water Heat Air Source Heat Pump Package. -
Page 13: Specification
The following is a basic layout of an Ecocent system showing the 250 T2 Ecocent: 5.0 SPECIFICATION Air Inlet 5.1 Appearance Air Outlet Control Panel Tank 13 of 34 www.esavep.com V 1.0... -
Page 14: System Principles
The attractive design allows the unit to be placed in the open in finished utility spaces and basements; depending on ambient conditions, the cost of operation can be up to 75% less of that of an electric water heater, and can be used in conjunction with solar hot water heating. Environmentally friendly and safer The unit produces no harmful emissions locally;... -
Page 15: Dimensions
5.3 Dimensions (mm) SIZE TYPE 1535 1070 ECOCENT 250 T 1535 1070 ECOCENT 250 T2 Power Supply Temp Sensor 1 for outlet Hot Water water Outlet ¾” “ Coil 1 Sacrificial Inlet ¾” Anode Temp Sensor 2 for outlet water Hot Water Coil 1 Outlet ¾”... -
Page 16: Specifications
5.4 Specifications Model ECOCENT 250 T ECOCENT 250 T2 Heati n g capaci t y Water tank vol u me Power input Runni n g current 3. 6 3. 6 Power suppl y V/Ph/Hz 220- 2 30/1/50 220- 2 30/1/50 Compressor number Compressor type Rotary... -
Page 17: Installation
Heating Mode Operating If the ambient temperature is very high the fan motor will stop running to protect the unit. Defrosting When in heating mode, the unit will defrost automatically, when required. The defrosting process takes 2 to 10 minutes to complete. The fan motor will stop running when the unit is defrosting. Working Conditions The unit should be run in ambient temperatures of -7°C to 40°C. -
Page 18: Outlet Pipe Work
An inline filter (open vented) and an effective scale prevention device must be fitted to the cold feed inline before the feed reaches the unit. 6.5 Cold Water Combination Valve The Cold Water Combination Valve must be sited close enough to the unit to allow the safety discharge pipe to run in to the tundish, in line with appropriate Regulations. -
Page 19: Tprv"
Secondary circulation is NOT recommended for units being used on “Off Peak” electricity tariffs. Whilst secondary returns do make for greater comfort by having hot water immediately available at taps, it is an energy sapping facility – it is recommended that all secondary returns should be fitted with timers so that circulation is not constant. -
Page 20: Discharge Pipe Work
For units with secondary coil facilities, please discuss the use of the coil, and a suitable configuration for use, with a suitably qualified plumber/engineer before proceeding to add a heat source to the secondary coil. 6.11 Discharge Pipe Work It is a requirement of Building Regulations that any discharge from an unvented system is conveyed to a position where it is visible, but will not cause danger to persons in or about the building. - Page 21 Note: The discharge will consist of very high temperature water and steam. Asphalt, roofing felt and non-metallic rainwater goods may be damaged by such discharges and you must take this in to account when fitting the unit. Should such damage be caused, ESP will accept no liability for any consequent damage so caused.
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Page 22: How To Connect To The Heat Pump
7.0 HOW TO CONNECT TO THE HEAT PUMP As the heat pump is an integral part of the unit, there are no special requirements for attaching the heat pump to the integrated cylinder – all mechanical and electrical connections are factory made. PLEASE NOTE that only manufacturer approved engineers should carry out any work on the heat pump. - Page 23 The unit MUST be earthed and a facility is provided for this in the unit design. You must have the unit fitted by a suitably qualified installer – ESP accepts no responsibility for units that are not fitted by fully qualified engineers. Further, failure to have the unit fitted by a suitably qualified installer will invalidate the warranty/guarantee of the unit and may be dangerous.
- Page 24 8.0 OPERATION 8.1 Explanation of the Control Panel Power STATUS: Heating Menu Down Outlet water temp 31°C Target Temp 57°C Escape 24/06/2012 09:28 Enter 8.2 Controller functions: 24 of 34 www.esavep.com V 1.0...
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Page 25: Of 34 Www.esavep.com
Top-level Menu Press "Prg" button from the default Screen to access the top level menu, see Fig.3. Press" " or " " to choose one of 4 functions, then press " " to begin setting that function. Main Menu Press the " "... - Page 26 Changing Parameters Careful consideration should be given before changing any of the parameters set by your installer, and advice taken from the ESP Technical Team if necessary. Indeed, changing some of the parameters may be contrary to current legislation. Should you...
- Page 27 Defrost Highlight “Defrost” in the parameters menu then press the enter key to display the screen shown in figure 10. Highlight the parameter you wish to change then enter again to allow the parameter to be changed. Use the up and down keys to change the value, then Esc to save the setting, esc again to return to the parameters menu.
- Page 28 Maintenance Select “Maintenance” from the top-level menu. The values on this screen cannot be changed. It displays a list of failure codes and date/time of occurrence. Error Code Date/Time of error Timer Select “Timer” from the top-level menu to change any of the parameters shown in figure 15.
- Page 29 Malfunction Display Should a malfunction occur, the display shown in figure 16 will appear, even if the unit is in ‘standby’ mode. The display will show an error cost and a description. For error codes, please refer to the table below: Factory Setting Default Fig.
- Page 30 Error codes, Causes and Likely Solutions Error Indicator Failure Code light Cause Solution Stand by This is not an error Unit running This is not an error Lower tank water 1 on 1 off The temp. sensor is open Check and replace the lower temp.
- Page 31 8.3 BEFORE RUNNING THE UNIT 1) Let the unit rest for 1 hour after is has been moved into position. 2) Check that the tank is full of water and has been completely purged of air. 3) Check that the unit is correctly wired in to the mains power from a suitable MCB and is protected by an RCD.
- Page 32 The engineer should: i) Wash any particulate matter from the inline strainer under clean running water. ii) Refit the inline strainer once totally clean or install a new one where necessary. 9.5 Log Book Please complete the log book supplied with the Ecocent, stating what has been done, the date of the service and the name/contact details of the servicing engineer.
- Page 33 11.1 Guarantee Terms ESP warrants/guarantees the electrical parts, thermal controls and valves relating to the cylinder for a period of one year from the date of purchase, with the exception of normal wear and tear including any damage caused as a result of lime scale deposits.
- Page 34 Any warranty/guarantee is for replacement parts only. The purchaser of the unit acknowledges that he/she has seen ESP’s conditions of supply and has understood them. All of our units are RoHS approved units. This guarantee does not affect your statutory rights.
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