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- Page 1 Cavalier Eco Electric Water Heater Installation, Commissioning, User & Maintenance Instructions Models: Models:\ AMP 200-9 ECO AMP 300-9 ECO AMP 200-18 ECO AMP 300-18 ECO AMP 200-36 ECO AMP 300-36 ECO AMP 300-54 ECO LV 3138565 | May 2022...
- Page 2 IMPORTANT INFORMATION These instructions must be read and understood before installing, commissioning, operating or maintaining the equipment.
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Page 3: Preface
Warranty Refer to the appendix Warranty (see A.7) for the warranty provisions. Liability User Lochinvar accepts no liability when the water heater is not used correctly and requires the user to: • Read this manual carefully and obey the instructions. -
Page 4: Compliance
See the compliance section. Lochinvar accepts no liability for claims from third parties when: • The instructions for the correct installation of the water heater are not obeyed. -
Page 5: Contact Information
Contact information In the event of problems with your electricity or water supply connections, please contact your (energy/water) supplier. 0313856_AMP ECO UK V1.0, 21-04-2022... -
Page 7: About This Manual
About this manual Scope This manual gives information about safe and correct use of the water heater and how installation, maintenance and service activities have to be done correctly. You must obey the instructions in this manual. Caution Read this manual carefully before you start the water heater. It can cause personal injury and damage to the water heater when you do not read the manual and/or do not obey the instructions. -
Page 8: Document Identification
Caution Obey the caution instructions to prevent damage of the water heater. Warning Obey the warning instructions to prevent danger of personal injury, and serious damage to the water heater. Document identification Article number Language Version 0313856... -
Page 9: Table Of Contents
Table of Contents Preface..................3 Copyright................3 Trademarks............... 3 Warranty................3 Liability................3 Compliance............... 4 Regulations............... 4 Contact information............5 About this manual............... 7 Scope................7 Target group..............7 Notation conventions............7 Document identification............8 User part..............13 Introduction................15 Safety..................17 Interface................... 19 Operator interface............19 3.1.1 Display................19 3.1.2... - Page 10 4.2.2 Turn off for a long period........... 24 Installation, Maintenance and Service part....25 Introduction................27 About the water heater............. 27 Working principle..............27 Safety..................29 Safety instructions............29 Instructions on the water heater.........30 Safety devices..............31 Environmental aspects............33 6.4.1 Recycling.................33 6.4.2 Disposal................33 Water heater................
- Page 11 8.7.1 Turn off the water heater........... 45 8.7.2 Draining................45 Settings..................47 Display................47 Temperatures..............48 9.2.1 Operating setpoint............48 9.2.2 Hysteresis............... 48 9.2.3 Tank sensor offset............50 Appliance Status...............50 Economy Mode..............51 9.4.1 Setpoint adjustment............52 9.4.2 Set the time and day............53 9.4.3 Economy mode schedule...........
- Page 12 Index..................71 Appendices................73 Technical details AMP ECO 200........... 73 Technical details AMP ECO 300........... 74 Dimensions..............75 Energy labeling..............76 Electrical wiring diagram............78 Declaration of conformity...........82 A.6.1 United Kingdom..............82 Warranty................. 84...
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Page 13: User Part
User part 0313856_AMP ECO UK V1.0, 21-04-2022... -
Page 15: Introduction
Introduction The AMP ECO water heater stores and heats water for sanitary purposes. Cold water enters the tank through the water inlet (2). The heated water leaves the tank at the top through the hot water outlet (1). When hot water is used, the tank of the water heater is filled with the same amount of cold water. - Page 16 User part...
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Page 17: Safety
Safety Lochinvar cannot be held responsible for damages or injuries which can be lead back to: • Failure to follow the instructions provided in this manual. • Carelessness during use or maintenance of the water heater. Every user must study the user part of this manual and must follow the instructions in this part of the manual strictly. - Page 18 User part...
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Page 19: Interface
Interface Operator interface The operator interface consists of a (touchscreen) display to navigate through the menu and on which settings, functions, values and errors can be viewed and entered. The display is completely menu-driven and enables the user to change settings and to verify the status and history of the water heater. -
Page 20: Display Buttons
3.1.1.1 Symbols on the display The symbols on the display give visual information about the status of the water heater. Symbol Description There is a heat demand. The water temperature rises. End of water heating (standby). The water temperature drops. The water heater is not able to initiate the heating cycle. -
Page 21: Status Of The Water Heater
Button Function [ACCEPT] Save changed settings Value up Value down [>] Enter the submenu Scroll up / Raise Scroll down / Lower Status of the water heater During operation, the display shows the status of the water heater. Fig. Display The following status texts can appear on the display: Status text Explanation... -
Page 22: Error Conditions
To switch the heater to OFF mode: Open the external enable inputs 1 and 2 (see 8.5). 3.2.1.2 ON mode In the ON mode the water heater continuously responds to the heat demand. The electric heating elements are activated when there is a heat demand. Note The ON mode is the factory default operating mode when the external enable 1 and 2 inputs are not used (both inputs are shorted from factory). -
Page 23: Use
Turn on the water heater Caution Make sure that the water heater is filled with water before you turn on the water heater. Switch the isolator between the water heater and the mains power supply on to start the water heater. 4.1.1 Set the water temperature Caution... -
Page 24: Turn Off The Water Heater
Open the Temperatures submenu. Open the Operating Setpoint control screen. Change the water temperature setpoint: Use [+] to increase the setpoint. Use [-] to decrease the setpoint. Press [ACCEPT] to confirm the value or press [BACK] to return to the previous screen. -
Page 25: Installation, Maintenance And Service Part
Installation, Maintenance and Service part 0313856_AMP ECO UK V1.0, 21-04-2022... - Page 26 User part...
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Page 27: Introduction
Introduction About the water heater The AMP ECO water heater is intended for heating water for sanitary purposes. The AMP ECO is an electric storage water heater. The electric heating elements transfer their heat directly to the water. Working principle Cold water enters the bottom of the tank through the water inlet (1). - Page 28 temperature drops beneath the set temperature, the heating elements are activated and the water is heated. Fig. AMP ECO water heater 1. Water inlet 2. Heating elements 3. Water outlet Installation, Maintenance and Service part...
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Page 29: Safety
Safety Safety instructions For safety instructions on the use of the water heater, refer to Safety (see 2) in the User part of this manual. Warning Installation, maintenance and service must be carried out by a qualified engineer in compliance with the general and local regulations imposed by the water and power supply companies and the fire brigade. -
Page 30: Instructions On The Water Heater
Caution The heater is intended to be connected to the water mains permanently. Do not use a hose set to connect the heater. Note Any leakage from the tank and/or connections can cause damage to the immediate environment or floors below the level of the boiler room. Install the water heater above a waste water drain or in a suitable metal leak tray. -
Page 31: Safety Devices
Safety devices Fig. Main safety thermostat 1. Main Safety thermostat - body 2. Main Safety thermostat - probe Fig. Row safety thermostat 3. Row Safety thermostat 0313856_AMP ECO UK V1.0, 21-04-2022... - Page 32 Safety devices of the water heater: Main Safety thermostat The main safety thermostat (G1) breaks the (G1) control circuit when the water temperature is too high (>92°C ±3°C). The main safety thermostat also protects the heating elements when the water heater is activated when it is not filled with water.
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Page 33: Environmental Aspects
Environmental aspects 6.4.1 Recycling The packaging material is environmentally friendly, recyclable and relatively easy to discard. 6.4.2 Disposal Old end-of-life appliances contain materials that need to be recycled. When you discard devices at the end of their service life, you must obey local legislation related to waste disposal. - Page 34 Installation, Maintenance and Service part...
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Page 35: Water Heater
Water heater Structure of the water heater The water heater has the following main components: Tank (1) The water is stored and heated up in the tank. Heating elements (4) The water is heated by the heating elements. Fig. Components water heater 1. - Page 36 Installation, Maintenance and Service part...
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Page 37: Installation
For more safety instructions, refer to Safety instructions (see 6.1). Packaging Lochinvar recommends to unpack the water heater at or near its intended location. Remove the packaging material carefully to prevent damage to the water heater. Conditions Warning The water heater must be installed on a non-flammable floor and surface. -
Page 38: Water Composition
8.2.3 Water composition The water must comply with the regulations for drinking water for human consumption. Water composition Water hardness > 1.00 mmol/l: German hardness > 5.6° dH French hardness > 10.0° fH English hardness > 7.0° e CaCO > 100 ppm Conductivity >... -
Page 39: Installation Diagram
Installation diagram Fig. Installation diagram 1. Pressure reducing valve 14 14 (mandatory if the mains water pressure is too high) 3. T&P valve (mandatory) 4. Stop valve (recommended) 5. Non-return valve 6. Circulation pump (optional) 9. Drain valve 11. Service stop valve 12. -
Page 40: Hot Water Connection
Install the cold water connection: When the mains water supply pressure is too high, install a pressure reducing valve (1), refer to the Technical details (see A). Install a non-return valve (5). Install an expansion valve (15). Connect the overflow connection of the expansion valve, to an open waste water pipe. Install an expansion vessel (16). -
Page 41: Preparation
8.5.1 Preparation Open the door of the water heater to make the electrical section and the terminal block visible. Warning Live cables inside! Switch off the power supply completely (on local isolator) before opening the outer door to access the electrical components. Fig. -
Page 42: Mains Power
8.5.2 Mains power Note The water heater is supplied without a power cable and isolator. Use a power cable with wires of a suitable diameter based on the cable length and the current. Note Select and install an overvoltage category III, all–pole isolator with a contact gap of at least 3 mm. -
Page 43: External On/Off
To use the alarm output: Connect a power supply (250V/10A max.) to one of the supply terminals (11 or 21). Connect the output terminal (NC: 12 or 22 and NO: 14 or 24) to your external device. 8.5.4 External ON/OFF The External ON/OFF contacts can be used to control the heater. -
Page 44: Finalization
8.5.5 Finalization When all connections are made, close the door of the water heater. Fig. Install the cover Commissioning To commission the water heater: Fill the water heater (see 8.6.1) Turn on the water heater 8.6.1 Filling Refer to the installation diagram when you fill the water heater: If applicable, open the stop valves (4) of the circulation pipe (C). -
Page 45: Decommisioning
Decommisioning To decommission the water heater: Turn off the water heater (see 8.7.1) Drain the water heater 8.7.1 Turn off the water heater Refer to the procedure in the user part to Turn off the water heater (see 4.2) and isolate the water heater from the mains power supply. - Page 46 Installation, Maintenance and Service part...
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Page 47: Settings
Settings Display The display is completely menu-driven and enables the user to change settings and to verify the status and history of the water heater. For more information about how to use the display, refer to Operator interface (see 3). On the display, press [MENU] to enter the main menu. -
Page 48: Temperatures
Temperatures The Temperatures submenu shows the temperature setpoint, the differentials, the actual water temperature in the water heater and the tank sensor offset. Fig. Temperature submenu Press on a line with a [>] to set the operating setpoint or to set the differential. Press [BACK] to return to the previous screen. - Page 49 differential is 1°C. With these settings, the rows are energized as indicated in the table below. To set the differential: Open the 1st differential control screen. Change the differential setpoint: Use [+] to increase the setpoint. Use [-] to decrease the setpoint. Press [ACCEPT] to confirm the value or press [BACK] to return to the previous screen.
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Page 50: Tank Sensor Offset
9.2.3 Tank sensor offset If the indicated tank temperature does not match the actual water temperature: change the Tank Sensor Offset. To change the Tank Sensor Offset: From the Temperatures submenu open the Tank Sensor Offset control screen. Change the temperature offset: Use [+] to increase the offset. -
Page 51: Economy Mode
Fig. Element status submenu Economy Mode The Economy Mode submenu shows the settings used to establish an Economy setpoint and Economy mode operating periods. In this menu, you can switch the mode used for each day: • NORMAL: the appliance will switch between NORMAL and ECO mode according to the schedule you set. -
Page 52: Setpoint Adjustment
• ECO: the appliance will run in ECO mode the entire day Fig. Economy Mode submenu 9.4.1 Setpoint adjustment Caution At temperature settings below 60°C there is a higher risk of high legionella concentrations in the water. Installation, Maintenance and Service part... -
Page 53: Set The Time And Day
On this page, you specify the difference between the Normal setpoint and the Economy setpoint. (Normal setpoint) - (Economy setpoint adjustment) = (Economy setpoint). To change the Economy setpoint adjustment: From the Economy mode submenu open the Economy setpoint adjustment control screen. -
Page 54: Economy Mode Schedule
9.4.3 Economy mode schedule To change the economy mode schedule: From the Economy mode submenu, open the control screen for one of the days of the week. Change the setting: NORMAL: the appliance will switch between NORMAL and ECO mode. ECO: the appliance will run in ECO mode the entire day Use [+] to increase the value. -
Page 55: Alarm Output Setup
From the Economy mode submenu open the End Normal mode control screen. Change the end time: The [^] indicates which value can be changed. Use [+] to increase the value. Use [-] to decrease the value. Use [>] and [<] to move between hours and minutes. Press [ACCEPT] to confirm the value or press [BACK] to return to the previous screen. -
Page 56: Set The Alarm Output Function
Fig. Alarm output setup submenu 9.5.1 Set the alarm output function To change the alarm output function: From the Alarm output submenu open the Output function control screen. Change the alarm output function: Use [+] to select the next function. Use [-] to select the previous function. -
Page 57: Display Settings
Change the alarm temperature setpoint: Use [+] to increase the setpoint. Use [-] to decrease the setpoint. Press [ACCEPT] to confirm the value or press [BACK] to return to the previous screen. Display settings The Display Settings submenu shows the settings for the unit of temperature, the display brightness, the backlight delay and the language. -
Page 58: Set The Display Brightness
9.6.2 Set the display brightness By default, the brightness of the display is low (brightness=0). If you set the brightness to 1 or higher, the display backlight becomes brighter when you press a button. To change the display brightness: From the Display Settings submenu open the Brightness control screen. Change the setting: Use [+] to increase the brightness. -
Page 59: Set The Language
9.6.4 Set the language To change the language: From the Display Settings submenu open the Language control screen. Use [+] and [-] to change the language setting. Press [ACCEPT] to confirm the value or press [BACK] to return to the previous screen. -
Page 60: Error History
Fig. Display - Appliance Information Error history From the main menu, you can open the Error History submenu. The Error History submenu shows the 9 most recent errors of the water heater and the point of time of these errors. Press the error to open the information about that specific error. Fig. -
Page 61: Error Occurrence
Error occurrence From the main menu, you can open the Error Occurrence submenu. The Error Occurrence submenu shows the number of errors for each error category. Fig. Display - Error Occurrence Press [BACK] to return to the previous screen. 9.10 Restore default From the main menu, you can open the Restore Default submenu. - Page 62 Installation, Maintenance and Service part...
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Page 63: Maintenance
The water heater needs maintenance at least once a year. The maintenance interval is determined by the water quality, the average operation hours each day and the set water temperature. To determine the correct interval, Lochinvar recommends to do a system check three months after installation. Note Do maintenance to maintain an effective and efficient transfer of heat to the water. -
Page 64: Descale The Tank
Inspect the volume of the anode. When the anode is consumed for 60 % or more, replace the anode. Note If the anode needs to be replaced, always use an anode of the same type. Please refer to the type and the serial number on the data plate. Place the anode in the water heater. -
Page 65: Performance Check
Remove the lowest heating element: Loosen electrical wires earth (A) and live (L) on the element. Loosen the heating element. Take the heating element out of the water heater. Carefully store the heating element. Inspect the tank on limescale through the opening. When there is lime scale: Remove the following heating elements. -
Page 66: Finalization
Replace the heating element when the resistance value is not correct. Decommision the water heater (see 8.7). Loosen electrical wires earth (A) and live (L) on the element. Loosen the heating element. Take the heating element out of the water heater. Place a new element in the tank. -
Page 67: Troubleshooting
Troubleshooting 11.1 Errors and warnings The water heater can have three different kinds of errors: • General errors, which are not displayed • Displayed errors (see 11.1.2), which are divided in two different groups: Lock out errors: when the cause is removed, you can reset the error to resume operation. - Page 68 Indication Cause Measure Insufficient or no hot The water heater is off. Turn on the water heater (see 4.1). water The temperature is set too low. Set the setpoint higher. There is no supply voltage. Make sure that: the isolator is in ON position. there is power on the isolator.
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Page 69: Displayed Errors
Indication Cause Measure A safety device is The main safety thermostat (G1) is Make sure the water heater is activated activated completely filled. Tap off water, so the temperature drops in the water heater. Make sure all connections are connected correctly (refer to the wiring diagram). -
Page 70: Warnings
Code and description Cause Measure The main safety thermostat (G1) is Make sure the water heater is (Lock out error) activated. completely filled. Temperature error Tap off water, so the temperature Max. temperature drops in the water heater. exceeded (or thermal fuse Make sure all connections are activated) connected correctly, refer to the... -
Page 71: Index
Index About the water heater...... 27 Filling ..........44 About this manual....... 7 Finalization......... 44, 66 Alarm output........42 Alarm output setup......55 Alarm setpoint ......... 56 Ambient conditions ......37 Appendices........73 General errors........67 Appliance Status....... 50 Appliance information......59 Hot water connection......40 Hysteresis........ - Page 72 Packaging.........37 Warnings..........70 Performance check......65 Warranty.......... 84 Preface..........3 Water composition......38 Preparation........63 Water connections......39 Water heater ........35 Water-side maintenance..... 63 Working clearances ......38 Working principle ......27 Recycling..........33 Regulations ........4 Restore default......... 61 Safety........17, 29 Safety devices........31 Safety instructions......29 Scope ..........
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Page 73: A Appendices
Appendices Technical details AMP ECO 200 Description Unit AMP ECO AMP ECO AMP ECO 200-9 200-18 200-36 General Contents Empty weight Maximum floor load Maximum operating pressure kPa (bar) 800 (8) 800 (8) 800 (8) Control thermostat - adjustment range °C 32 - 83 32 - 83... -
Page 74: Technical Details Amp Eco 300
Technical details AMP ECO 300 Description Unit AMP ECO AMP ECO AMP ECO AMP ECO 300-9 300-18 300-36 300-54 General Contents Empty weight Maximum floor load Maximum operating pressure kPa (bar) 800 (8) 800 (8) 800 (8) 800 (8) Control thermostat - adjustment range °C 32 - 83 32 - 83... -
Page 75: Dimensions
Dimensions Size Description Unit AMP ECO 200-9 AMP ECO 300-9 AMP ECO 200-18 AMP ECO 300-18 AMP ECO 200-36 AMP ECO 300-36 AMP ECO 300-54 Dimensions water heater Overall height 1460 1580 Appliance diameter Depth Dimensions connections Cold water supply connection (male) "... -
Page 76: Energy Labeling
Energy labeling Description Unit AMP ECO AMP ECO AMP ECO 200-9 200-18 200-36 Declared load profile Load profile Energy efficiency class (Energy label) Energy efficiency 38.4 38.7 38.9 Daily electricity consumption 20.104 19.931 19.758 Daily fuel consumption kWh GCV 0.000 0.000 0.000 Mixed water 40 °C (V40) - Page 77 Description Unit AMP ECO AMP ECO AMP ECO AMP ECO 300-9 300-18 300-36 300-54 Declared load profile Load profile Energy efficiency class (Energy label) Energy efficiency 38.7 39.1 39.3 39.0 Daily electricity consumption 19,934 19,656 19,530 19,729 Daily fuel consumption kWh GCV 0.000 0.000...
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Page 78: Electrical Wiring Diagram
Electrical wiring diagram Fig. Electrical wiring diagram - 3 elements Installation, Maintenance and Service part... - Page 79 Fig. Electrical wiring diagram - 6 elements 0313856_AMP ECO UK V1.0, 21-04-2022...
- Page 80 Fig. Electrical wiring diagram - 9 elements Installation, Maintenance and Service part...
- Page 81 Cable colors Brown Black Gray Blue White Orange Pink Purple Yellow Yellow/Green Terminal block connections Earth Phase 1 input Phase 2 input Phase 3 input Additional connections Alarm relay output External on/off input 1 External on/off input 2 Components Terminal Block Control Relay Element current sensors...
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Page 82: Declaration Of Conformity
Declaration of conformity A.6.1 United Kingdom Installation, Maintenance and Service part... - Page 83 0313856_AMP ECO UK V1.0, 21-04-2022...
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Page 84: Warranty
Warranty Contact Lochinvar or go to www.lochinvar.ltd.uk for the current warranty terms and conditions. Installation, Maintenance and Service part... - Page 86 Lochinvar Ltd reserves the right to change 7 Lombard Way, The MXL Centre, Banbury, Oxon, OX16 4TJ specifications without prior notice Tel: +44(0) 1295 269 981, Fax:+44(0) 1295 271 640, Email: info@lochinvar.ltd.uk www.lochinvar.ltd.uk...
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