Related Manuals for Unical HP OWER 500 RK
Summary of Contents for Unical HP OWER 500 RK
- Page 1 HP_OWER 500 RK - 700 RK - 500 RK A400 - 700 RK A 400 INSTALLATION AND SERVICING MANUAL...
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Page 2: Table Of Contents
Contents PURPOSE AND CONTENTS OF THE MANUAL .............. 4 1.1 h ow to keep the manual ..................... 4 1.2 g raphic symbols used in the manual ................4 NORMATIVE REFERENCES ................... 4 PERMITTED USE ......................5 4. general safety guidelines..................... 5 4.1 WORKERS' HEALTH AND SAFETY ................. 5 4.2 personal protective equipment ................... 6 4.3 Safety signs ........................7 4.4 REFRIGERATN SAFETY DATA SHEET ................8 4.5 specific R32 gas warnings .................... - Page 3 8. SHUTDOWNS FOR LONG PERIODS................. 26 9. MAINTENANCE AND PERIODIC CHECKS ..............27 9.1 GENERALITY ......................27 9.1.1 Cleaning the filled coil treated with the anti-corrosion method ....... 27 9.2 CLEANING OF EXTERNAL SURFACES ..............28 9.3 EXTRAORDINARY MAINTENANCE ................28 10. DECOMMISSIONING ....................28 11. RESIDUAL RISK ......................29 TECHNICAL DATA ..................... 33 12.1 TECHNICAL SHEET HEAT PUMP ................33 12.2 UNIT AND AUXILIARY ELECTRICAL DATA ............... 35 13. OPERATING LIMITS ....................
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Page 4: Purpose And Contents Of The Manual
The manual of the units contains all the indications for the optimal use of the machine under safe conditions for the operator. 1. PURPOSE AND CONTENTS OF THE MANUAL This manual provides basic information as to the selection, installation, operation and maintenance of the unit. It is intended for the operators of the appliance and it enables them to use the equipment efficiently, even if they do not have any previous specific knowledge. CAUTION: Although this manual has been drafted for the end user, some of the operations described are the responsibility of skilled personnel having technical or professional qualifications to perform the activities herein. They must also be kept up-to-date by attending refresher courses acknowledged by the competent authorities. -
Page 5: Permitted Use
3. PERMITTED USE • The company excludes any contractual and extra contractual liability for damage caused to persons, animals or objects, by incorrect instal- lation, setting and maintenance, improper use of the equipment, and the partial or superficial reading of the information contained in this manual. • These units are built for the heating and/or cooling of water. Any other use not expressly authorised by the manufacturer is considered improper and therefore not allowed. The fluid to be used is exclusively water or a mixture of water and glycol in case of low water tem- peratures. It is absolutely NOT allowed to connect the heated water supply from the UNIT directly to the taps of the domestic hot wa- ter circuit. This fluid is not intended for sanitary use and must not be ingested. •... -
Page 6: Workers' Health And Safety
4.1 WORKERS' HEALTH AND SAFETY The European Union has issued some directives regarding the safety and health of workers, including: 89/391/CEE, 89/686/CEE, 2009/104/CE, 86/188/CEE and 77/576/CEE, and subsequent amendments which every employer is obliged to follow and have followed. We observe therefore that: Do not tamper with or replace parts of the unit without the specific consent of the manufacturer. These interventions re- lease the manufacturer from any civil or legal responsibility. Using components, consumables or spare parts that do not correspond to those recommended by the manufacturer and/or listed in this manual may be dangerous for the operators and/or damage the unit. -
Page 7: Safety Signs
Gloves: During maintenance or cleaning operations, appropriate protective gloves must be used. Mask and goggles: Respiratory protection (mask) and eye protection (goggles) should be used during cleaning operations. 4.3 SAFETY SIGNS The unit features the following safety signs, wich must be complied with: Generic hazard. Dangerous electric voltage. Moving parts. Surfaces wich can cause injuries. Boiling surfaces wich can cause burns. -
Page 8: Refrigeratn Safety Data Sheet
REFRIGERANT SAFETY DATA SHEET Dénomination: INDICATION DES DANGERS Dangers principaux: Asphyxie. Dangers spécifiques: La rapidité de l’évaporation peut provoquer la congélation. MESURES D’URGENCE Informations générales: Ne rien administrer aux personnes évanouies. Transporter la personne à l’air libre. Inhalation: Recourir à l’oxygène ou à la respiration artificielle si nécessaire. Ne pas administrer d’adrénaline ni de substances similaires. -
Page 9: Specific R32 Gas Warnings
4.4 SPECIFIC R32 GAS WARNINGS The R32 refrigerant gas: • is odourless; • is flammable, but only if there are naked flame; • it may cause an explosion, but only if a given concentration in air is reached. It is a good practice to follow these guidelines: • do not smoke near the unit; • affix a no smoking sign near the unit; • keep the premises where the unit is installed properly aerated; • do not pierce or burn the unit; • do not place the unit near ignition sources, such as naked flames, electric heaters etc.; • every extraordinary maintenance or repair on the unit must be performed by skilled technicians or qualified personnel; • a gas leak test must be performed after installation. 4.5 R32 GAS CHARGE The procedures described below may only be performed by skilled technicians or qualified personnel: •... -
Page 10: Transport And Storage Limit Temperature
CAUTION: The unit must be installed so as to allow free movement for repair and maintenance operations. The warranty does not cover costs for platforms or other lifting equipment needed for any interventions. CAUTION: The unit must be installed so as to allow free movement for repair and maintenance operations. The warranty does not cover costs for platforms or other lifting equipment needed for any interventions. -
Page 11: Positioning And Minimum Technical Clearances
• forklift truck; • thick lifting tubes according to EN 355 and EN 10297-1, thick lifting tubes according + ropes/chains; • lifting slings (available as an accessory) + ropes/chains + sling bar. Ensure that the lifting ropes are tensioned gradually and check that they are correctly positioned. Lifting through forklift truck Lifting with lifting tubes and ropes 5.4 POSITIONING AND MINIMUM TECHNICAL CLEARANCES All models of the range are designed and constructed for outdoor installations. It is advisable to create an adequately sized support base for the unit. The units transmit a small amount of vibrations to the ground: it is none- theless advisable to apply vibration dampers between the base frame and support surface. Suspended installation is forbidden. The support plane must have enough capacity to support the unit weight, which can be checked both on the technical label on the unit and on this technical manual under “Technical data”... - Page 12 Model HP_OWER 1200 1000 1500 1500 500RK - 700RK For strong wind installation place refer to the classification of the area according to the Beaufort table. If the value is > 7 (strong wind, average wind speed = 13,9-17,1 m/s) it is strictly necessary to keep the fan always powered, thus preventing involuntary rotation of the same.
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Page 13: Dimensions
5.5 DIMENSIONS 5.5.1 Standard version Dimensions A - Lenght 1850 B - Depht 1110 C - Height 1920 IN / OUT inch 1" 1/2 Grooved Power supply input 5.5 DIMENSIONS 5.5.2 Version A400 with tank kit Dimensions A - Lenght 2460 B - Depht 1110... -
Page 14: Centre Of Gravity And Dampers Location
IDRONIC KIT Hydronic kit features Tank volume Expansion vessel volume 5.6 CENTRE OF GRAVITY AND DAMPERS LOCATION In the following tables, we report the position of the barycentre of each machine, with reference to the dimensions shown in the image. A dis- tinction is made between standard machine version, with hydronic kit (single pump) and if the tank is also installed. Model Version A [mm] B [mm] Xb [mm] Yb [mm] Standard with integrated 1110 1754 pump HP_OWER 500 RK With tank kit A 400 1110 2365 Standard with integrated... -
Page 15: Accessing The Inner Parts
Models Version A [mm] B [mm] C [mm] D [mm] Standard 1410 HP_OWER 500 RK 700 RK Hydronic kit with tank 2180 A 400 5.7 ACCESSING THE INNER PARTS 5.7.1 Access to the inside of the unit on the electrical panel side In case of maintenance and/or inspection of the compressors, it is necessary to access the inside of the unit by opening the door, located on the front side where the electrical panel is also located. To unlock it, it is necessary to unscrew the fixing screws using the appropriate tool and pull it towards you using the handle located under the panel. Pay attention to the electrical panel which is bound to the door itself. -
Page 16: Access To The Inside Of The Unit On The Hydronic Kit Side
5.7.2 Access to the inside of the unit on the hydronic kit side In the event of maintenance and/or inspection of the hydronic part and part of the refrigeration circuit, it is necessary to access the inside of the unit from the rear side, near the hydraulic connections. Unscrew the rear panel fixing screws and remove it from the base. In the case of a single-battery unit, one of the two sides can also be inspected by removing the side panels; in the case of a tank kit, both sides of the additional appendage can also be removed. 5.8 PLUMBING CONNECTIONS The plumbing connections must be made in accordance with national and/or local regulations; pipes can be made of steel, galvanised steel or PVC. Pipes must be accurately sized according to the nominal water flow rate of the unit and the pressure drops of the water circuit. All pipes must be insulated with closed-cell material of adequate thickness. The chiller must be connected to the pipes using new flexible joints, not re- used ones. The water circuit should include the following components: • Well thermometers to monitor the circuit’s temperature. • Manual gate valves to isolate the chiller from the water circuit. • Metal Y filter and dirt separator (installed on the return pipe) with metal mesh no larger than 1 mm. (obligatory to mantain the validity of the guarantee). • Loading group and exhaust valve where necessary. CAUTION: When sizing the pipes, make sure not to exceed the maximum pressure drop on plant side reported in the techni- cal data table (see useful head). -
Page 17: Features Of The Circuit Water
The heating system and the safety valves must comply with the requirements of standard EN 12828. The unit is pre-tensioned on the side cover plate in order to provide a suitable passage for the discharge of the safety valve (the installation of which is the responsibility of the user). 5.8.1 Features of the circuit water To guarantee correct operation of the unit, the water must be appropriately filtered (see the instructions at the start of this paragraph) and there must be only a minimum amount of dissolved substances. The maximum allowed values are shown below. MAXIMUM CHEMICAL-PHYSICAL PROPERTIES ALLOWED FOR THE CIRCUIT WATER 7,5 - 9 Electrical conductivity 100 - 500 μS/cm Total hardness 4,5 –... - Page 18 STANDARD HYDRONIC CIRCUIT EV/CO HKA1 W-OUT W-IN HKA2 HYDRONIC CIRCUIT VERSION AC 400...
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Page 19: Drainage System
ATTENTION: It is recommended to connect the safety valve vent in an appropriate conveyor / discharge. Otherwise the discharged water could stagnate around the unit and become a source of danger due to slipping / falling. 5.8.2 Drainage system The units all of them adopt drainage holes on the basement for the condensate draining which can leach from the pipes of hydraulic and refrig- erant circuits, and to discharge the generated water during defrosting cycles. FOR HEAT PUMP UNITS, IN PARTICULARLY COLD CLIMATES, INSTALLATION ON ELEVATION SUPPORTS IS RECOMMENDED TO ALLOW ICE TO FORM UNDER THE UNIT WITHOUT DAMAGING IT. -
Page 20: Service Sleeves
It is advisable to use an external tap to fill the system, which is the responsibility of the installer. There is always a service tap in the unit to be used if it is necessary to top up/ discharge the amount of water in the system or adjust the percentage of glycol. If the unit must be completely drained,first close the manual inlet and outlet shutters (not supplied) and then disconnect the pipes on the water inlet and outlet so that the liquid in the unit can drain (to make this operation easier, it is advisable to install two external drain cocks between the unit and the manual shutters on the water inlet and outlet). -
Page 21: Access To Electric Panel
CAUTION: Any devices placed nearby can cause / suffer electromagnetic disturbances to / from the unit. Be aware of this risk at the installation site. It is recommended to electrically power the unit with an adequate line and protections and use an independent cable duct. -
Page 22: User Terminal Block
5.9.1 User terminal block The connection terminal block is located under the machine cover. For access, see the instructions. The terminal block must be connected re- specting the notes below. The connections shown below are standard. Other connections are given in the MCO manual of the on-machine control (see "USER AND IN- STALLER CONFIGURATION TABLES"), according to the configurations adopted. CAUTION: It is important to keep the high voltage cables separated from the very low voltage ones. Terminal Connection Type Power input 3-Ph/N/PE, 400 Connect the groung wire Vac, 50Hz Power input 3-Ph/N/PE, 400 Connect the neutral cable from the mains Vac, 50Hz Power input 3-Ph/N/PE, 400... -
Page 23: Control Logics
5.9.3 Control logics For further information on the control logics, please refer to the relative manual which can be requested from CAT or the manufacturer. 12.1.1 Fuses Details on the type and nominal specifications of the fuses are set out on the machine’s data plate, on electrical schemes as well as on the fuses. -
Page 24: Functional Diagrams
5.10 FUNCTIONAL DIAGRAMS LEGEND INVC 1 / 2 VARIABLE SPEED COMPRESSOR YVOL OIL LINE EQUALIZATION SOLENOID CO / EV 1 / 2 FINNED BATTERY YISV VALVE REVERSE CYCLE EV/CO PLATE EXCHANGER LIQUID RECEIVER SBSV BYPASS LINE SOLENOID VALVE LIQUID SEPARATOR LIQUID AND MOISTURE INDICATOR ELECTRONIC EXPANSION VALVE PEH TC HIGH PRESSURE TRANSDUCER CHARGING ATTACHMENT PED TR LOW PRESSURE TRANSDUCER FILTER DRIER HIGH-PRESSURE SWITCH 1 / 2 CRANKCASE RESISTANCE... -
Page 25: Start Up
6. START UP Before start-up: 1. Check that the diagrams and manuals of the installed machine are available. 2. Check that the wiring and plumbing diagrams of the plant the machine is connected to are available. 3. Check that the shut-off valves of the water circuits are open. 4. Check that the water circuit was filled under pressure and the air vented. 5. Check that all the plumbing connections are installed correctly and that all the indications on the rating plates are complied with. 6. Make sure that measures have been taken to discharge condensate. 7. Check the electrical connection and correct fastening of all the terminals. 8. Check that the electrical connections have been made according to standards in force, including earthing. 9. Voltage must match that on the unit’s rating plate. 10. Make sure that the electric voltage is within the tolerance limits (±10%). 11. Check that the electric heaters of the compressors are properly powered. 12. Check that there are no gas leaks. 13. Before switching the unit on, check that all panels are positioned correctly and well-fixed with screws. CAUTION: The unit must be connected to the electric mains and placed in STANDBY (powered on) by closing the master switch at least 12 hours before start-up. This will allow the heaters to adequately warm up the compressor crankcase (the heaters are powered automatically when the switch is closed). -
Page 26: Maintenance And Periodic Checks
• Close the water valves. • Set the general residual current device at "OFF" (if installed upstream of the system). Se la temperatura scende sotto lo zero c’è serio pericolo di gelo: prevedere una miscela di acqua e glicole nell’impianto, diversamente svuotare l’impianto idraulico ed i circuiti idraulici della pompa di calore. ATTENZIONE: il funzionamento, seppur transitorio, con temperatura dell’acqua inferiore a +5°C non è garantito sulla base dei limiti stabiliti. -
Page 27: Generality
warranty and could considerably shorten the service life of your product. OPERATION M / R Filling the water circuit. Presence of bubbles in the water circuit. Check the proper working of the safety and control devices. Check that there are no oil leaks from the compressor. Check if there is a possible water leakage from the water circuit. Check that the flow switch works properly. -
Page 28: Cleaning Of External Surfaces
CAUTION: Do not clean the coil using high-pressure cleaners so as not to apply excessive pressure which could cause irrepa- rable damage. Damage caused by cleaning with unsuitable chemical substances or excessively high water pressure will not be recognised under warranty. CAUTION: The aluminium fins are thin and sharp. -
Page 29: Residual Risk
An incorrect decommissioning of the appliance may create serious environmental damage and endanger people’s safety. Therefore, it is recommended that the unit be disposed only by authorised persons with technical training who have attend- ed training courses acknowledged by the competent authorities. It is required to follow the same precautions described in the previous paragraphs. - Page 30 User / Activity Operator User Danger Indication / Istruction Residual risk The correct maintenance Mechanical: cut / abrasion procedures are indicated in the caused by the presence of edges Failure to comply with the proce- user-installer manual under chap- on the external casing of the ma- dures and / or failure to use PPE ter 9.
- Page 31 User / Activity Operator User Danger Indication / Istruction Residual risk Caused by radiation: electro- magnetic radiation that the unit No one generates during operation The use of personal protective equipment is recommended in Generated by materials / sub- the user-installer manual under Failure to comply with the stances: infections caused by paragraph 4.2.
- Page 32 User / Activity Operator User Danger Indication / Istruction Residual risk In the user-installer manual un- der chapter 9 it is recommended to carry out maintenance only in weather conditions suitable for the operations envisaged. It is Generated by unit use environ- also indicated that the installation Failure to comply with the in- ment: lightning that can poten-...
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Page 33: Technical Data
TECHNICAL DATA 12.1 TECHNICAL SHEET HEAT PUMP Performance referring to the following conditions,according to standard 14511:2018: (1) Cooling: outdoor air temperature 35°C; in/out water temperature 12/7°C. (2) Cooling: outdoor air temperature 35°C; in/out water temperature. 23/18°C. (3) Heating: outdoor air temperature 7°C b.s. 6°C b.u.; in/out water temperature 30/35°C. (4) Heating: outdoor air temperature 7°C b.s. 6°C b.u.; in/out water temperature 40/45°C. (5) Cooling: in/out water temperature 12/7°C. (6) Heating: Average climatic conditions; Tbiv=-7°C; low temperature. (7) Figures are approximate and subject to change. Always refer to the technical label on the unit for the correct figure. (8) The volume indicated refers to the total required, the designer must meet it considering the quantity already present inside the unit depend- ing on the hydronic kit chosen (please check this value in the data sheet). (9) Sound power: condition (3); value determined on the basis of measurements made in accordance with UNI EN ISO 9614-1, in compilance with the requirements of Eurovent certification. (10) Sound pressure: value calculated from the sound power level using ISO 3744: 2010, considering units operating in open field (12) Heating: outdoor air temperature 7°C b.s. 6°C b.u.; in/out water temperature 47/55°C. (*) by activating the ''maximum Hz'' function N.B. Performance data are indicative and are subject to change. Furthermore the performance declared in points (1), (2), (3), and (4) is in- tended to refer to instantaneous power according to UNI EN 14511. - Page 34 HP_OWER R TECHNICAL CHARACTERISTICS Unit 500RK - 500RK A400 700RK - 700RK A400 Cooling capacity (1) min/nom/max 20,1/36,3/41,2* 27,1/53,2/58,2* Power input (1) 11,7 17,7 E.E.R. (1) 3,10 3,01 Cooling capacity (2) min/nom/max 31,2/55,3/62,3* 38,5/66,0/73,8* Cooling Power input (2) 13,0 16,6 E.E.R.
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Page 35: Unit And Auxiliary Electrical Data
12.2 UNIT AND AUXILIARY ELECTRICAL DATA Unit power supply V/~/Hz 400/3PH+PE/50 On board controller circuit V/~/Hz 12/1/50 Remote controller circuit V/~/Hz 12/1/50 Fan power supply V/~/Hz 400/3PH+PE/50 NOTE: The electrical data are subject to change due to updates. It is therefore always necessary to refer to the technical specifications label applied on the right side panel of the unit. - Page 36 12.3 OPERATING LIMITS 12.4 EVAPORATOR WATER FLOW RATE The nominal water flow rate refers to a 5°C temperature difference between the evaporator inlet and outlet. The maximum permitted flow rate features a 3°C temperature difference while the minimum one has an 8°C temperature difference at the nominal conditions as shown in the technical sheet. Pressure drop HP_OWER 500RK Perdite di carico HP_OWER 500RK Pressure drop HP_OWER 700RK Perdite di carico HP_OWER 700RK Nominal point HP_OWER 500RK A35W7 Punto nominale HP_OWER 500RK A35W7 Nominal point HP_OWER 700RK A35W7 Punto nominale HP_OWER 700RK A35W7 Nominal point HP_OWER 500RK A7W45 Nominal point HP_OWER 500RK A7W45...
- Page 37 HP_OWER 700 RK Flow rate [l/s] Avaible head unit [kPa] Pressure drop HP_OWER 700RK Prevalenza utile HP_OWER 700RK Nominal point HP_OWER 700RK A35W7 Punto nominale HP_OWER 700RK A35W7 Nominal point HP_OWER 700RK A7W45 Punto nominale HP_OWER 700RK A7W45 Portata [l / s] Flow rate [l / s] 12.6 CURVE DELLE POMPE Range of useful heads that the machine guarantees during pump modulation (in case of accessory chosen)
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Page 38: Operating Limits
OPERATING LIMITS 13.1 EVAPORATOR WATER FLOW RATE The nominal water flow rate refers to a 5°C temperature difference between the evaporator inlet and outlet. The maximum permitted flow rate features a 3°C temperature difference while the minimum one has an 8°C temperature difference at the nominal conditions as shown in the technical sheet. Insufficient water flow rates can cause excessively low evaporation temperatures causing the safety devices to trigger and stopping the unit and, in some extreme cases, forming ice in the evaporator and resulting in serious failures to the cooling circuit. - Page 39 Heat pump mode for domestic hot water 700 RK Room temperature with water at maximum +58 °C Minimum -8 °C Maximum +24 °C Room temperature with water at maximum +50 °C Minimum -12 °C Maximum +39 °C Outlet water temperature Minimum +25 °C Maximum +58 °C Heat pump mode for domestic hot water 500 RK...
- Page 40 CHILLER MODE DOMESTIC HOT WATER MODE HP_OWER 700RK - 700RK A 400 Pun� estremi envelope UNITÀ - ACS [°C] DOMESTIC HOT WATER MODE HP_OWER 500RK - 500RK A 400 [°C]...
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Page 41: User Interface - Controller
14 USER INTERFACE - CONTROLLER The unit includes a display placed underneath a hinged polycarbonate transparent door with a protection rating of IP67. The interface has a part with variable text and a series of icons identifying operation of the unit as shown in the table below. Cooling mode led: led ON if unit is in COOL or COOL+SAN mode. Heating mode led: led ON if unit is in HEAT or HEAT+SAN mode. Pump led: led ON if pump running. Alarm led: led ON if an alarm is triggered. -
Page 42: Menu
several alarms are triggered, the first one is displayed while the second one will be displayed as soon as the first one is reset. In menu mode, the display depends on the current position.attivo. 13.5 MENU The following are the main features for navigating the menus, especially describing functions which are not obvious. The main menu has the following items: MENU LABEL LEVEL OTHER CONDITIONS Setpoint User Not accessible if connected to Touch screen Password User Alarms User Only if active alarms Probes Installer Digital inputs Installer Parameter Installer Hours of operation Installer Alarm log Hist Installer Only if the log contains data... - Page 43 PROBLEM CAUSE SOLUTION High outside air temperature High water return temperature Check Air in the hydraulic circuit High exhaust pressure Refrigerant gas charge too high Poor air flow Check the fan and pump operation Poor water flow rate High outdoor air temperature Low plant return water temperature Low exhaust pressure Residual humidity in the cooling circuit...
- Page 44 - export@unical-ag.com - www.unical.eu Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary to it own products or profits, without jeopardizing its essential characteristics.
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