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Summary of Contents for RDZ Unica 200
- Page 1 Chiller and Heat pumps UNICA 200/300 Standard - S1 - S2 Domestic Hot Water heat pump with range from 200 to 300 litres TECHNICAL / INSTALLATION MANUAL...
- Page 3 Sanitary water heat pump SANITARY WATER HEAT PUMP WITH WATER TANK USER-INSTALLER MANUAL Models UNICA 200 Standard – S1 – S2 UNICA 300 Standard – S1 – S2 10-2017 Adding of the anti-legionella cycle specifications and upgrading of the conformity.
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Page 4: Table Of Contents
UNICA Sanitary water heat pump INDEX PURPOSES AND CONTENTS OF THIS MANUAL ........................4 HOW TO KEEP THIS MANUAL ..............................4 GRAPHIC SYMBOLS USED IN THE MANUAL ..........................4 SAFETY LAWS ..................................4 PERMITTED USE ................................. 4 GENERAL SAFETY GUIDELINES ............................5 WORKERS’... - Page 5 UNICA Sanitary water heat pump 11.4.2 External pump ................................25 11.4.3 Flow switch ................................... 25 11.4.4 Thermal protections ..............................25 11.4.5 Disinfection weekly cycle .............................. 25 11.4.6 Electrical heater ................................26 11.4.7 ON/OFF contact ................................27 11.4.8 Contact for photovoltaic plant integration........................27 11.5 PARAMETER CHECKING AND ADJUSTMENT .........................
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Page 6: Purposes And Contents Of This Manual
UNICA Sanitary water heat pump The UNICA manual contains all the necessary information for the better use of the equipment under safety conditions for the operator. 1 PURPOSES AND CONTENTS OF THIS MANUAL This manual provides basic information as for the installation, the operation and the maintenance of UNICA units. It is addressed to machine operators and it enables them to use the equipment efficiently, even if they do not have any previous specific knowledge of it. -
Page 7: General Safety Guidelines
UNICA Sanitary water heat pump 4 GENERAL SAFETY GUIDELINES Before beginning to operate on UNICA units every user has to be perfectly knowledgeable about the functions of the equipment and its controls and has to have read and understood the information listed in this manual. It’s strictly forbidden to remove and/or tamper with any safety device. -
Page 8: Refrigerant Safety Data Sheet
UNICA Sanitary water heat pump 4.4 REFRIGERANT SAFETY DATA SHEET Name: R134a (100% ,1,1,2-Tetrafluoroethane). RISK INDICATIONS Major risks: Asphyxia. Specific risks: The rapid evaporation may cause freezing. It can cause cardiac arrhythmia. FIRST AID General informations: Never give anything by mouth to an unconscious person. Inhalation: Move to fresh air. -
Page 9: General Characteristics
UNICA Sanitary water heat pump 5 GENERAL CHARACTERISTICS The hot water heat pump is one of the most economical systems to heat the water for family domestic use or for small business activities. Using free renewable energy from the air, the unit is highly efficient with low running costs. Its efficiency can be up to 3~4 times more than conventional gas boilers or electrical heaters. -
Page 10: Available Models
UNICA Sanitary water heat pump 5.3 AVAILABLE MODELS To adapt to different installation requirements, the UNICA unit is available in 3 versions: • UNICA Standard: standard that provides the heat pump and the electric heater as heating sources; • UNICA S1: with auxiliary coil for use in combination with solar panels; •... -
Page 11: Overview Of The Unit
UNICA Sanitary water heat pump 8 OVERVIEW OF THE UNIT 8.1 PARTS AND DESCRIPTIONS... -
Page 12: Dimensions
UNICA Sanitary water heat pump 8.2 DIMENSIONS UNICA Standard UNICA S1 UNICA S2 Dimensions UNICA UNICA UNICA S1 UNICA S1 UNICA S2 UNICA S2 [mm] 1638 1638 1638 1888 1888 1888 1124 1124 1124 1374 1374 1374 1062 1062 1062 1312 1312 1312... - Page 13 UNICA Sanitary water heat pump UNICA Standard UNICA S1 UNICA S2 DIMENSIONS POS. DESCRIPTIONS 200 SERIES 300 SERIES Aluminium heat exchanger 3/8” 3/8” Hole for auxiliary cables φ 17 mm φ 17 mm Hole for power supply φ 17 mm φ...
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Page 14: Holes For Cables
UNICA Sanitary water heat pump 8.3 HOLES FOR CABLES 8.4 HOW TO REPLACE THE MAGNESIUM STICK The Magnesium stick is an anti-corrosion element. It is assembled in the water tank to avoid the creation of fur around the inside tank and to protect the tank, and other components. It can help to extend the life-span of the tank. Check the magnesium stick every year and change it if it has the diameter less than 22 mm, clean it if it is intact but encrusted by limestone. -
Page 15: Schematic Overview Of The Water And Gas Circuit
UNICA Sanitary water heat pump 8.6 SCHEMATIC OVERVIEW OF THE WATER AND GAS CIRCUIT 8.7 SCHEMATIC OVERVIEW OF THE GAS CIRCUIT 9 INSTALLATION WARNING: All the operations described below must be carried out only by QUALIFIED PERSONNEL. Prior to any work on the unit, make sure that the power supply is disconnected. -
Page 16: Safety Instructions
UNICA Sanitary water heat pump 9.2 SAFETY INSTRUCTIONS To prevent injury to the user, other people, or property damage, the following instructions must be followed. Incorrect operation due to ignoring of instructions may cause harm or damage. Install the unit only when it complies with local regulations, by-laws and standards. Check the main voltage and frequency. This unit is only suitable for earthed sockets, connection voltage 220 - 240 V ~ / 50Hz. -
Page 17: Manual Transport
UNICA Sanitary water heat pump 9.3.2 Manual transport For the manual transport, the wooden pallet can be used. Using ropes or carrying straps, a second or third handling configuration is possible. With this type of handling, it is advised that the maximum permissible inclination angle of 45 degree is not exceeded. If transport in an inclined position cannot be avoided, the unit should be taken into operation one hour after it has been moved into final position. -
Page 18: Installation Overview
UNICA Sanitary water heat pump If air inlet and/or outlet pipes are connected, portion airflow and capacity in heat pump unit will lose. If the unit connects with air ducts it should be DN 180 mm for pipes or 180 mm internal diameter flexible hose. Total length of the ducts should not be longer than 8 m or the maximum static pressure should not exceed than 60 Pa. -
Page 19: Hydraulic Connections
UNICA Sanitary water heat pump 9.6 HYDRAULIC CONNECTIONS The hydraulic connections have to be installed in accordance with national and local regulations. Pipes can be made up of multilayer pipe, polyethylene or stainless steel and must withstand at least 100°C and 10 bar. Pipes have to be designed depending on the desired water flow and on the hydraulic pressure drops of the system. -
Page 20: Water Emptying
UNICA Sanitary water heat pump 9.6.3 Water emptying If the unit needs cleaning, moving etc, the tank should be emptied. 1) Close the cold water inlet 2) Open the hot water outlet and open the manual valve of drainpipe 3) Start the water emptying. 4) After emptying, close the manual valve. -
Page 21: Connection Of An Auxiliary Heat Source
UNICA Sanitary water heat pump Installation diagram in case of solar water circulation Note: solar heat exchange coil is present only in UNICA S1 and UNICA S2 units 9.6.5 Connection of an auxiliary heat source Only for UNICA S2 units, it’s possible to connect a third energy source (for example an external boiler). In this case the installer must disconnect the electric heater and its thermo cut-out (see the WIRING diagram on Paragraph 19.2) and use the power supply of the heater to give a consent through an external relay (not provided) to the external heat source or to directly supply an external dedicated pump. -
Page 22: Electrical Connections
UNICA Sanitary water heat pump 9.7 ELECTRICAL CONNECTIONS Check out that the power supply meets the unit’s electric nominal data (tension, phases, frequency) reported on the technical label of the unit. Power connections have to be made in accordance to the wiring diagram enclosed with the unit and in conformity with the national and international norms in force (providing equipments as general magnetothermic circuit breaker, differential circuit breakers for each electric line, proper grounding for the plant, etc.). -
Page 23: Operation The Unit
UNICA Sanitary water heat pump • Listen to the unit carefully when turning ‘ON’ the power of the unit. Turn the power ‘OFF’ when you hear an abnormal sound. • Measure the water temperature, to check the undulation of the water temperature. •... - Page 24 UNICA Sanitary water heat pump button By pressing this button for 2” when the unit is in standby mode, the unit is turned ‘ON’ and runs on the setting mode. The running mode, set temperature and water temperature, clock time and timer situation are displayed on the screen. By pressing this button for 2”...
- Page 25 UNICA Sanitary water heat pump buttons Clock setting: - Press button to entry the clock setting interface: hour icon “88:88” flashes; - Press the buttons to set the exact hour(s) and press to confirm: minute icon “88:88” flashes; - Press the buttons to set the exact minute(s) and press to confirm and exit.
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Page 26: Lcd Icons
UNICA Sanitary water heat pump 11.3 LCD icons 1. Hot water available The icon indicates that the domestic hot water temperature reaches the set point. The hot water is available for use. Heat pump is standby. 2. Fan ventilation The icon indicates that the fan ventilation function is enabled. By pressing the button and hold it for several seconds the fan ventilation function can be enabled or disabled. -
Page 27: External Pump
UNICA Sanitary water heat pump 11.4.2 External pump T2: lower tank temperature T3: upper tank temperature Checks to be done to use the external pump: • parameter 14 has been configured; • the optional probe T6 has been electrically and hydraulically connected; •... -
Page 28: Electrical Heater
UNICA Sanitary water heat pump If the unit is disconnected from the power supply, the disinfection cycle will not occure. If the unit is left without power supply for longtime, DO NOT use the water contained inside. It is recommended to emplty the tank and the water contained inside the pipes of the DHW system. -
Page 29: On/Off Contact
UNICA Sanitary water heat pump When the E-heater button on the control panel has been turned on manually, on the display TS2 (E-heater off temperature) appears and it can be directly modified instead of TS1 (tank setting temperature). 11.4.7 ON/OFF contact When ON/OFF contact is closed, and the controller is ON, the unit can work and the running mode is decided by the setting of the controller. -
Page 30: Malfunctioning Of The Unit And Error Codes
UNICA Sanitary water heat pump 11.6 MALFUNCTIONING OF THE UNIT AND ERROR CODES When an error occurs or the protection mode is set automatically, the circuit board and the wired controller will both display the error message. Protection/ Error code LED indicator Possible reasons Corrective actions... -
Page 31: Maintenance And Periodical Controls
UNICA Sanitary water heat pump 12 MAINTENANCE AND PERIODICAL CONTROLS WARNING: All the operations described in this chapter HAVE TO BE CARRIED OUT BY TRAINED STAFF ONLY. Before any operation or before entering the inner components of the unit, be sure that the power supply is disconnected. -
Page 32: Environmental Protection
UNICA Sanitary water heat pump 12.1 ENVIRONMENTAL PROTECTION According to the norms dealing with the use of depleting stratospheric ozone substances, it is forbidden to release refrigerants fluids in the atmosphere. They have to be collected and delivered to the seller or to proper gathering points at the end of their operating life. -
Page 33: Technical Characteristics
UNICA Sanitary water heat pump 16 TECHNICAL CHARACTERISTICS UNICA UNICA UNICA S1 UNICA S1 UNICA S2 UNICA S2 TECHNICAL DATA Power supply V/Ph/Hz 220-240/1/50 Water tank real capacity Heating capacity 1870* (+1200**) Rated power input 503* (+1200**) Nominal current 2.23* (+5.2**) 3.72* Max power input 765 (+1200**) -
Page 34: Performance
UNICA Sanitary water heat pump 17 PERFORMANCE Temperatura aria - Air temperature 7°C Temperatura aria - Air temperature 15°C Temperatura aria - Air temperature 20°C Temperatura aria - Air temperature 35°C Capacità termica - Thermal capacity [kW] Temperatura aria - Air temperature 7°C Temperatura aria - Air temperature 15°C Temperatura aria - Air temperature 20°C Temperatura aria - Air temperature 35°C... -
Page 35: Working Limits Of Heat Pump
UNICA Sanitary water heat pump 18 WORKING LIMITS OF HEAT PUMP It’s recommended that the unit may work inside the working limits reported here below, in order to avoid the possible intervention of safety devices. In each case, regarding high temperatures (water temperature between 47 and 65°C, air temperature between 25 and 43°C), if the user sets a temperature that is out of the working envelope, the heat pump adapts automatically its water set to the limits indicated in the diagram here below. -
Page 36: Wiring Diagram
UNICA Sanitary water heat pump 19 WIRING DIAGRAM Please refer to the wiring diagram on the electric box. 19.1 STANDARD CONNECTION... -
Page 37: Connection Of An Auxiliary Heat Source
UNICA Sanitary water heat pump 19.2 CONNECTION OF AN AUXILIARY HEAT SOURCE... -
Page 38: Connection Of An Auxiliary Heat Source By Means Of An External Switch
UNICA Sanitary water heat pump 19.3 CONNECTION OF AN AUXILIARY HEAT SOURCE BY MEANS OF AN EXTERNAL SWITCH... -
Page 39: Warranty Conditions
UNICA Sanitary water heat pump 20 WARRANTY CONDITIONS For warranty conditions and limitations refer to the commercial documentation. - Page 40 FAG0FA000BZ.00 03/2018...
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