Table of Contents
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Table of Contents
Summary of Contents for 4eco immerSUN
- Page 1 Water heating for your PV system Installation and user guide v1.3...
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Page 3: Table Of Contents
Contents Overview Technical Specifications Installation Mounting Electrical Connections Clamp Installation Wiring Diagrams Using the immerSUN with a dual-rate electrical supply Installer Settings DIP Switch Settings Installation Setup Installer Menu User Operation Controls and Display Changing Values Normal Operation Display Main Menu Timed &... -
Page 4: Overview
1. Overview Thank you for choosing immerSUN. This intelligent device is a sensible and practical addition to your PV or Wind microgeneration system. Water is heated via your existing immersion heater, using surplus power that would otherwise have been exported to the grid. -
Page 5: Technical Specifications
2. Technical Specifications Electrical Specifications Description Minimum Nominal Maximum Supply Voltage (VAC) Supply Frequency (Hz) 50Hz Load Current (A) Load Size (W) 3000 3200 Relay Contact Voltage (VAC) Relay Contact Current (A) Clamp Current (A) Recommend PV System Size (kW) Dimensions and weight Width (mm) Depth (mm) -
Page 6: Installation
3. Installation 3.1 Mounting Often, the most suitable location for the immerSUN is near to the consumer unit. Usually all the connections required are available here. The following should be considered when deciding upon the most suitable location: Close to the main incoming mains electrical supply of the property •... -
Page 7: Electrical Connections
MUST be a simple resistive load, e.g. an electric towel radiator, storage heater etc. The load must not exceed 3.2kW and must not include digital or analogue timers, as they may be damaged by the proportional output control of the immerSUN. IMPORTANT! Be sure to fully tighten terminals, checking the cables are securely clamped by the terminals and the cord grips. -
Page 8: Clamp Installation
(i.e. before it splits). Three phase supply One immerSUN will only work on one of the phases, the clamp MUST be installed on the SAME PHASE that is wired to the immerSUN, the inverter MUST be on the SAME PHASE also. -
Page 9: Wiring Diagrams
Alternative wiring method If the immerSUN is located close to the consumer unit, it may be simpler to use the alternative wiring option using 4-core cable or singles. As the Earth and Neutral terminals are each common, the alternative option shows that the heater earth and neutral need not be directly connected the the immerSUN. - Page 10 CT CT N LH 240V AC MAINS SUPPLY From 16A MCB or COMMS LINK 13A fused outlet For linking several ImmerSUN devices CLAMP Install onto incoming mains Live or Neutral cable to building ISOLATORS Must be double-pole IMMERSION HEATERS Max. Load 3kW each (Other loads can be used) Two heaters can be controlled by using the multi-function relay.
- Page 11 CT CT N LH 240V AC MAINS SUPPLY From 16A MCB or COMMS LINK 13A fused outlet For linking several ImmerSUN devices BOILER HW CALL Volt-free contact Connect to boiler wiring CLAMP Install onto incoming mains Live cable to building...
- Page 12 CT CT N LH 240V AC MAINS SUPPLY From 16A MCB or COMMS LINK 13A fused outlet For linking several ImmerSUN devices APPLIANCE LIVE SWITCH Volt-free contact CLAMP Can be used to switch live Install onto incoming mains feed to appliance.
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Page 13: Using The Immersun With A Dual-Rate Electrical Supply
1. A single dual-rate meter feeding the whole house This is the most common configuration. The immerSUN should be wired as normal. See wiring diagrams in section 3.4 • The immerSUN's Timed Boost should be set to operate at off-peak times. -
Page 14: Installer Settings
The default position of the DIP switches, is all four set to ON. For the majority of installations this will be the correct setting. However if several immerSUN devices are being cascaded, then the DIP switches will need to be set accordingly, see table below. -
Page 15: Installation Setup
4.2 Installation Setup At first switch on, the immerSUN will run through the installation setup process, follow the instructions on the display. Step 1 INSTALLATION ► Press to start the installation setup process as SETUP – PRESS > ◄ instructed. Otherwise press to cancel. -
Page 16: Installer Menu
The clamp type is shown, the clamp type can only be changed by resetting the unit. Cascade Cascade Mode INSTALLER MENU Cascade (Off) When cascading several immerSUN's to control several loads, Cascade should be set to ON Auto (Normal mode) Set Load INSTALLER MENU SET LOAD Set Load (Auto) >Auto<... - Page 17 Reset Settings Reset Settings INSTALLER MENU RESET SETTINGS Reset Settings CONFIRM Press > Use to setup immerSUN after installation. (See section 4.2). Serial Number & Serial Number & Firmware Version INSTALLER MENU S/N:123456 V1.10 The serial number and firmware version are displayed.
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Page 18: User Operation
5. User Operation 5.1 Controls and Display LCD DISPLAY STATUS LED SET / BOOST BACK DOWN Button Operation Alt. Operation Description BACK SCREEN CHANGE Exit menu or change screen when not in menus ◄ Go down through list or decrease value DOWN MENU ▼... -
Page 19: Normal Operation Display
5.3 Normal Operation Display The table below summarises the operation of the immerSUN. There are four main modes of operation: Heating Water; Water Hot; Waiting and Hot Water Boost. The mode is shown on the LCD display, the LED allows the mode to be determined from a distance. -
Page 20: Main Menu
View Savings Today MAIN MENU Savings View Savings Today: 12.563kWh Show savings made today in kWh. The immerSUN measures and records Month (current month) Savings energy applied to Month: 224kWh Show savings made this month in kWh. immersion heater. As... -
Page 21: Timed & Manual Hot Water Boost
Timed Boost Timed Boost A MAIN MENU TIMED BOOST (A) Timed Boost 06:30 – 0h 30m The water heating can be boosted to ensure hot water by a given time. When heating water in boost mode, the immersion heater will be fully on regardless of available free power. -
Page 22: Error Messages
5.6 Error Messages If a fault condition occurs, an error message will be displayed and the LED will flash red. The error will be logged in the Fault Log. Normal operation will continue once the immerSUN is reset. Error Messages The internal temperature of the immerSUN is too high. -
Page 23: Troubleshooting
6. Troubleshooting Use the table below to help remedy the problem. Any actions requiring opening the immerSUN and/or testing voltages should only be carried out by a competent person. Contact your installer if in doubt. Symptom Possible Cause Action Unit dead, no display... -
Page 24: Legionella And General Advice
This is likely to be after the sunset. When you use hot water during the evening and early morning, this will ensure that there is plenty of cold water in the cylinder for the sun to heat the next day. -
Page 25: Warranty
The warranty does not apply if, in the judgement of 4eco, the product fails due to damage from shipment, handling, storage, accident, abuse, misuse, or if it has been used or maintained in a manner not conforming to product manual instructions, has been modified in any way, or has had any serial number removed or defaced. -
Page 26: Conformance
9. Conformance EC Declaration of Conformity In accordance with EN ISO 17050-1:2004 4eco Ltd 3 Church View Business Centre Binbrook, Lincolnshire, LN8 6BY, England In accordance with the following Directives: 2006/95/EC The Low Voltage Directive 2004/108/EC The Electromagnetic Compatibility Directive... -
Page 27: Commissioning Sheet
10. Commissioning Sheet Model Serial Number Installation Company Installer Name Date of Installation Legionella advice given? See section 7 (tick when done) Signed by Installer... - Page 28 4eco Ltd, 3 Church View Business Centre, Binbrook, Lincolnshire, LN8 6BY, England +44 (0)1472 398838...