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Summary of Contents for CLIVET EASYBox HQCN-NEE 1 BC
- Page 1 EASYBox HQCN-NEE 1 BC M0TM00002-01 10-2024 Keep this manual together with the wiring diagram in an accessible place for the operator for future reference.
- Page 2 Dear Customer, We congratulate you on choosing these product. Clivet has been working for years to offer systems able to assure the maximum comfort for a long time with highly-reliable, efficient, high-quality and safe solutions. The target of the company is to offer advanced systems, that assure the best comfort and reduce energy consumption as well as the installation and maintenance costs for the entire life-cycle of the system.
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Page 3: Table Of Contents
Summary Glossary........................5 General ........................6 About the manual .....................6 General safety warnings ..................7 Presentation of the product ..................8 Identification .....................8 Regulatory framework ..................8 Intended use .....................8 Description ......................8 Main components .....................9 Components supplied with the unit ...............10 Compatible accessories ...................10 Before installation .................... - Page 4 Emptying the system..................34 Cleaning the outer coating ................34 Water pressure....................34 Water filter ......................34 Expansion vessel ....................34 9.10 Unit electrical panel ..................34 9.11 Using glycol .......................34 9.12 Magnetic sludge ....................35 Decommissioning ..................... 36 10.1 Disconnection ....................36 10.2 Residual risks ....................36 Technical data ......................37...
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Page 5: Glossary
1. Glossary Acronyms or abbreviations are used in this manual to indicate components or parameters. The acronyms and their meanings are given in the table. Sign Description Domestic hot water Backup boiler User interface Backup electric heater Oxygen-Free-Nitrogen Outdoor packaged unit pump Secondary circuit pump (or Zone 1 pump for double zone systems) Zone 2 pump (for double zone systems) DHW recirculation pump... -
Page 6: General
General 2. General About the manual carried out. Note • The manual ensures proper installation, use and mainte- This symbol indicates important information. nance of the unit 2.1.1.2 Editorial symbols • this manual is an integral and essential part of the pro- duct In the texts •... -
Page 7: General Safety Warnings
General 2.1.2 Recipients Any contractual and non-contractual liability for damage caused to persons, animals or property by installation, adjustment or maintenance errors or improper use is 2.1.2.1 User excluded. Inexperienced person who is capable of: • operating the product safely for people, for the product Any uses not expressly indicated in this manual are not permitted. -
Page 8: Presentation Of The Product
Presentation of the product 3. Presentation of the product Identification Description The serial number label is positioned on the unit and allows Hydraulic module for combination with packaged heat to indentify all the unit features. pumps. The matriculation plate shows the indications foreseen by the standards, in particular: •... -
Page 9: Main Components
Presentation of the product Main components Component Air relief valve Sludge Inertial 15-litre storage tank Expansion tank 3-way valve Electrical panel The images are provided for illustrative purposes only. -
Page 10: Components Supplied With The Unit
Presentation of the product Components supplied with the unit A Position of components supplied with the unit The following components can be found in the package: Description Quantity Installation and maintenance manual TORX 1/4” insert Quick-release fixing clip Expansion tank gasket O-ring Compatible accessories The list of accessories can be found in the technical bulletin. -
Page 11: Before Installation
Before installation 4. Before installation Prerequisites Storage Respect the indications on the outside of the pack. This section is intended exclusively for the Installer. In particolar: Refer to the Technical data chapter for details. • minimum ambient temperature -10 °C •... -
Page 12: Removal Of The Packaging
Before installation Removal of the packaging ► remove the protection elements ► remove the components supplied On reaching the installation site. Carry out the following procedure: ► cut the straps 1 Components supplied 1 Traps 2 Template ► lift and remove the packaging ►... -
Page 13: Installation
Installation 5. Installation Prerequisites General diagram This section is intended exclusively for the Installer. Wall installation Refer to the Technical data chapter for details. The electrical system and its components must be desi- gned by a qualified technician who must work according to the rules of good practice and national regulations. -
Page 14: Clearances
Installation Clearances Access to internal parts The clearances for installation and maintenance of the unit The unit has removable access panels. are shown in the figure. To access the unit: ► unscrew the fixing screws ► remove the access panel Keypad wire connected... - Page 15 Installation To access the electrical panel: ► unscrew the fixing screws 1 Fixing screws ► remove the access panel 1 Fixing screw To refit: ► repeat the operations in reverse order To access the components behind the electrical panel: ► unscrew the fixing screw ►...
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Page 16: Water Connections
Water connections 6. Water connections General system diagram Standard Indispensabile components system (not supplied) C.C. Components provided by Customer DHW exchanger return (with optional storage tank) System valve DHW exchanger supply (with optional storage tank) DHW tank (accessory supplied separately) Water return from area 1 system Aqueduct inlet Water supply to area 1 system... -
Page 17: General System Diagram
Water connections General system diagram Indispensabile components system (not supplied) C.C. Components provided by Customer DHW exchanger return (with optional storage tank) System valve DHW exchanger supply (with optional storage tank) DHW tank (accessory supplied separately) Water return from area 1 system ELFOSun2 (option) Water supply to area 1 system Aqueduct inlet... -
Page 18: Position Of Connections
Water connections Refer to the combined outdoor unit manual for: • the piping is not deformed by using excessive force or unsuitable tools during connection: this could cause the • Prerequisites unit to malfunction. • Water flow-rate Always use the wrench and counter wrench method in •... -
Page 19: Loading The Plant
Water connections Loading the plant Once the hydraulic connections have been completed, the system can be charged. DHW tank Accessory supplied separately. If a DHW (domestic hot water) tank is present, open the taps (3-4). 1 Area 1 system return - 1" 2 Area 1 system supply - 1"... - Page 20 Water connections TENANCE. If present, the DHW tank should only be filled when star- ting the unit.
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Page 21: Electrical Connections
Electrical connections 7. Electrical connections Prerequisites The current required for each external load must be less than 0.2 A. If the current required for a single load is gre- ater than 0,2 A, insert a contactor for control. This section is intended exclusively for the Installer. Install an earth leakage breaker (30 mA). -
Page 22: Cable Inlet
Electrical connections Cable inlet electric circuit for the booster heater. See the accessory sheet for the domestic hot water tank. To access the panel, see the “Access to internal parts” section Before removing the panel from the electrical panel, di- sconnect the power supply to the indoor and outdoor uni- ts and to all the other electrically powered components. -
Page 23: Connecting The Power Supply
Electrical connections Connecting the power supply 7.3.2 Three-phase units Ensure that: • no cables of different cross-sections are connected to the same power supply terminal block (loosening of the power supply wires could cause overheating) • terminal block screws are not over-tightened •... -
Page 24: External Component Connections
Electrical connections External component connections Ref. Terminal block CN11 220-240 VAC SV1 ON SV1 OFF Contact en tension DHW 3-way valve SV3 ON SV2 ON Contact en tension Zone 2 3-way mixing valve pump P_c (zone2) Contact en tension Pump P_o (zone1) Contact en tension Solar pump Contact en tension... - Page 25 Electrical connections External electrical components KM..., Fuses, etc. are to be 7.4.3 DHW recirculation pump provided by the customer. Connect as shown in the wiring diagrams. 7.4.1 1-zone system CN11 KM11 CN31 CN11 CL COM HT Contact type 220-240 VAC thermostat Maximum tripping of protections (A) Cable cross-section (mm...
- Page 26 Electrical connections 7.4.5 Remote environment thermostat CN31 thermostat 7.4.6 Alarm signal AL1 AL2...
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Page 27: Keypad + Bus Connection
Electrical connections Keypad + bus connection R-290 unit CN30 T1 T2 E shield shield 3 x 0.75mm + 2 x 0.75mm + Max 50m Max 50m R-32 unit CN30 shield 3 x 0.75mm + Max 50m... -
Page 28: Starting Up The System
Starting up the system 8. Starting up the system This section is intended only for the Technical Support Service. The electrical and hydraulic connections and other works typical of the system are the responsibility of the Installer. Operate in compliance with safety regulations in force. Upon request, the service centres performing the start- Agree upon in advance the star-up data with the servi- ce centre. -
Page 29: Preliminary Checks
Starting up the system Preliminary checks For details refer to the different manual sections. 8.1.6.1 Unit power supply: OFF Clearances: • check that distances are observed Water characteristics: • check that the allowable water values are respected Water filter: • check that it is correctly installed at the entrance to the aqueduct Water line input: •... - Page 30 Starting up the system Shut-off valve: • check that all shut-off valves are open Structure: • check all the structure of the unit is mounted correctly 8.1.6.2 Outdoor unit settings The dip-switches on the outdoor unit must be switched as shown in the figure to enable correct communication between the indoor and outdoor units.
- Page 31 Starting up the system 8.1.6.3 Unit Power: ON When the unit is turned on, nothing is displayed on the user interface. Check the following anomalies before diagnosing possible error codes: • electrical connection problem (power supply or communication signal) • fuse failure on main electronic board Error code "E8"...
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Page 32: Maintenance
Maintenance 9. Maintenance Prerequisites This section is intended only for the Technical Support Service. All operations must be carried out by personnel who meet the requirements of current regulations and are trained in the risks related to such operations. Operate in compliance with safety regulations in force. The maintenance allows to: •... -
Page 33: Maintenance Checklist
Maintenance Maintenance check list Intervention frequency (months) presence of corrosions panel fixing water filter cleaning dirt separator cleaning expansion tank hydraulic system filling pressure water: quality, pH, glycol concentration air in the piping drain dirt separator check solar panel fittings for leaks check of the fixing and the insulation of the power lead check of the earthing cable electric panel cleaning... -
Page 34: Unit Booklet
Maintenance Unit booklet possibility of breakage of the plastic material. It’s advisable to create a unit booklet to take notes of the Water pressure unit interventions. In this way it will be easier to adequately note the various ► check that the water pressure is greater than 1 bar interventions and aid any troubleshooting. -
Page 35: Magnetic Sludge
Maintenance 9.12 Magnetic sludge Cleaning (extraordinary) Close the shut-off valves of the system and water supply. Magnetic filter separates the impurities (sand particles, rust ... etc) present in the system water. Disassembly sequence: The impurities are collected in a settling chamber. Cleaning the filter can also be done with a working system. -
Page 36: Decommissioning
Decommissioning 10. Decommissioning 10.1 Disconnection Awaiting decommissioning and disposal, the unit can also be stored outdoors, as bad weather and rapid changes in temperature do not harm the environment provided that the electric, cooling and hydraulic circuits of the unit are intact and closed. -
Page 37: Technical Data
Technical data 11. Technical data Construction characteristics - Indoor unit SIZE System characteristics Maximum system pressure System expansion tank Expansion tank pre-charge System water connections inch Dimensions Operation (L x W x H) 547 x 386 x 604 Packaging (L x W x H) 720 x 600 x 550 Operation weight Shipping weight... - Page 38 Technical data EASYBox - Indoor unit Electrical panel Unit control keypad Supply to outdoor unit - 1" Water tank DHW return - 1" Area 1 system supply - 1" Area 1 system return - 1" Area 2 system supply - 1" (optional) Area 2 system return - 1"...
- Page 39 Notes...
- Page 40 FOR OVER 35 YEARS, WE HAVE BEEN OFFERING SOLUTIONS TO ENSURE SUSTAINABLE COMFORT AND THE WELL-BEING OF PEOPLE AND THE ENVIRONMENT sales and assistance Info & Contacts: www.clivet.com...
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