Related Manuals for Ferroli RFA
Summary of Contents for Ferroli RFA
- Page 1 i migliori gradi centigradi PACKAGED AIR CONDITIONERS AND HEAT PUMPS ROOF TOP FOR OUTDOOR INSTALLATION INSTALLATION AND OPERATION MANUAL...
- Page 2 Dear Customer, thank you for having purchased a FERROLI product. It is the result of many years of experiences and of particular research stu- dies and has been made with top quality materials and advanced technologies. The CE mark guarantees that the products satisfy all the applicable European Directives.
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Page 3: Table Of Contents
TAble oF conTenTs GeneRAl FeATuRes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 General instructions . -
Page 4: General Features
Maximum absorbed current Refrigerant type and charge weight Unit weight Sound pressure level at 1 metre IP protection level Maximum pressure - high pressure side Maximum pressure - low pressure side Ferroli Spa Via Ritonda 78/A (VR) Italy PED certification body... -
Page 5: Unit Description
The codes that identify the units and the meaning of the letters used are described below. RFA Pc 90 .2 Vb Ab 0M5 Unit type Power supply... -
Page 6: Description Of Components
GeneRAl FeATuRes Description of components external structure . Basement, supporting structure and Return air fan section . It is realized by a couple of centrifugal lateral panels are made of galvanized and painted sheet- fans with double aspiration with forward curved blades steel (colour RAL 7035) to guarantee good resistance to balanced both statically and dynamically according to ISO atmospheric agents. -
Page 7: Control System
GeneRAl FeATuRes The internal side heat exchanger (user side) (2) is a finned the refrigerant circuit: compressor inlet pressure, compressor coil realized with grooved copper pipes and aluminium fins outlet pressure and thermostatic valve upstream pressure). with notched profile to increase the heat exchange coefficient. To avoid condensate drag, the frontal crossing air velocity electrical panel . -
Page 8: Constructive Configurations
GeneRAl FeATuRes constructive configurations Each model can be supplied in different constructive All the versions can be arranged with standard air flow position configurations in order to satisfy the application requirements (frontal for the models of frame 1 and 2 and upwards for the that can be necessary for the plants. -
Page 9: Return Air
GeneRAl FeATuRes 2 dampers version - V2 RETURN AIR AIR FLOW OUTDOOR AIR The presence of two motorized dampers managed by the In the adding module can be placed various type of special controller of the unit allows to operate with a minimum filters in order to complete the standard filtering section. -
Page 10: Options
GeneRAl FeATuRes options Vb - base version It only allows to operate with all return air. V1 - 1 damper version It allows to operate with a fixed percentage of outdoor fresh air, manually set. constructive It allows to operate with a variable percentage of outdoor fresh air, adjusted by V2 - 2 dampers version configuration the unit controller according to free cooling and air quality control algorythms. -
Page 11: Accessories
GeneRAl FeATuRes It allows to increase the seasonal efficiency of the unit through a more extended and optimized use of the free cooling function, obtained considering the enthal- enthalpic free cooling pies of the outdoor and of the return air instead of the simple temperatures. The measure of the relative humidity (of the outdoor and of the return air), necessary for the enthalpy calculation, is realized through two capacitive humidity sensors. -
Page 12: Technical Data And Performances
TecHnIcAl DATA AnD PeRFoRMAnces Technical data Frame 35 .1 45 .1 55 .1 70 .2 90 .2 110 .2 140 .2 180 .2 220 .2 Model U.M. Powwer supply 400 - 3N - 50 400 - 3N - 50 400 - 3N - 50 V-ph-Hz Refrigerant Type... -
Page 13: Nominal Performances
TecHnIcAl DATA AnD PeRFoRMAnces noMInAl performances Frame 35 .1 45 .1 55 .1 70 .2 90 .2 110 .2 140 .2 180 .2 220 .2 Model U.M. Power supply 400 - 3N - 50 400 - 3N - 50 400 - 3N - 50 V-ph-Hz cooling A35A27 ( source : air in 35°C d.b. -
Page 14: Cooling Performances
TecHnIcAl DATA AnD PeRFoRMAnces coolInG performances The graphs allow to get the corrective factors to be applied to the Inlet w.b. temperature plant side : nominal performances in order to obtain the real performances in the A = 27°C D = 15°C selected operating conditions. -
Page 15: Heating Performances
TecHnIcAl DATA AnD PeRFoRMAnces HeATInG performances The graphs allow to get the corrective factors to be applied to the Inlet d.b. temperature plant side : nominal performances in order to obtain the real performances in the A = 28°C D = 16°C selected operating conditions. -
Page 16: Hot Water Coil Performances
TecHnIcAl DATA AnD PeRFoRMAnces Hot water coil performances Air flow rate 2 ROWS Water : 80 - 60 °C Minimum Standard Maximum Water Water Water Water Water Water Capacity pressure Capacity pressure Capacity pressure Model inlet air flow rate flow rate flow rate drops drops... - Page 17 TecHnIcAl DATA AnD PeRFoRMAnces Air flow rate 3 ROWS Water : 80 - 60 °C Minimum Standard Maximum Water Water Water Water Water Water Capacity pressure Capacity pressure Capacity pressure inlet air flow rate flow rate flow rate Model drops drops drops [°C]...
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Page 18: Electrical Heater Coil Performances
TecHnIcAl DATA AnD PeRFoRMAnces electrical heater coil performances Model 35 .1 - 45 .1 - 55 .1 70 .2 - 90 .2 - 110 .2 140 .2 - 180 .2 - 220 .2 u .M . Standard coil 18,0 36,0 Upsized coil 18,0 31,5... - Page 19 TecHnIcAl DATA AnD PeRFoRMAnces 45 .1 Upsized Standard Reduced 5000 6000 7000 8000 9000 10000 11000 12000 Air flow rate [ m /h ] 55 .1 Upsized Standard Reduced 5000 6000 7000 8000 9000 10000 11000 12000 Air flow rate [ m /h ] The graphs are referred to units operating with air at the temperature of 20°C (density 1,20 kg/m...
- Page 20 TecHnIcAl DATA AnD PeRFoRMAnces 70 .2 Upsized Standard Reduced 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 21000 Air flow rate [ m /h ] 90 .2 Upsized Standard Reduced 8000 9000 10000 11000 12000 13000 14000 15000...
- Page 21 TecHnIcAl DATA AnD PeRFoRMAnces 110 .2 Upsized Standard Reduced 8000 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 21000 Air flow rate [ m /h ] 140 .2 Upsized Standard Reduced 16000 18000 20000 22000 24000 26000 28000 30000...
- Page 22 TecHnIcAl DATA AnD PeRFoRMAnces 180 .2 Upsized Standard Reduced 16000 18000 20000 22000 24000 26000 28000 30000 32000 34000 36000 38000 40000 42000 Air flow rate [ m /h ] 220 .2 Upsized Standard Reduced 16000 18000 20000 22000 24000 26000 28000 30000...
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Page 23: Available Static Head Of The Return Air Fan
TecHnIcAl DATA AnD PeRFoRMAnces Available static head of the return air fan When the return air fan is present, verify that the available head, corresponding to an air flow rate equal to the 70% of the air flow rate defined for the internal fan, is not higher than the pressure drops in the return duct. If necessary modify the fan speed in order to reduce the available head. -
Page 24: Pressure Drops - Unit With Option "Special Filters
TecHnIcAl DATA AnD PeRFoRMAnces Pressure drops - unit with option “special filters” Medium efficiency Efficiency Eurovent Type of filter EN 779 classification (on 0,4 µm parts) STANDARD waved filter EU 4 Rigid pocket filter 60 ≤ Em < 80 EU 6 Rigid pocket filter 80 ≤... - Page 25 TecHnIcAl DATA AnD PeRFoRMAnces 70.2 90.2 110.2 9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000 Air flow rate [ m /h ] 140.2 180.2 220.2 18000 20000 22000 24000 26000 28000 30000 32000 34000 36000 38000 40000 42000 Air flow rate [ m...
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Page 26: Pressure Drops - Unit With Option "Heating Integration" : "Hot Water Coil
TecHnIcAl DATA AnD PeRFoRMAnces Pressure drops - unit with option “Heating integration” : "Hot water coil" 35.1 - 3R 45.1 - 3R 55.1 - 3R 70.2 - 3R 90.2 - 3R 110.2 - 3R 140.2 - 3R 180.2 - 3R 220.2 - 3R 35.1 - 2R 45.1 - 2R... -
Page 27: Pressure Drops - Unit With Option "Heating Integration" : "Electricl Heater Coil
TecHnIcAl DATA AnD PeRFoRMAnces Pressure drops - unit with option “Heating integration” : "electricl heater coil" 140.2 180.2 Upsized 220.2 70.2 90.2 110.2 Upsized Upsized Standard 35.1 45.1 Standard 55.1 Standard 5000 10000 15000 20000 25000 30000 35000 40000 Air flow rate [ m /h ] Pressure drops - unit with option “Droplets separator”... -
Page 28: Pressure Drops - Unit With Option "Air Flow Silencers
TecHnIcAl DATA AnD PeRFoRMAnces Pressure drops - unit with option “Air flow silencers” 70.2 90.2 110.2 35.1 45.1 55.1 5000 7000 9000 11000 13000 15000 17000 19000 21000 Air flow rate [ m /h ] The graphs are referred to units operating with air at the temperature of 20°C (density 1,20 kg/m... -
Page 29: Operating Limits
TecHnIcAl DATA AnD PeRFoRMAnces operating limits The graphs reported below show the operating area inside which the correct working of the unit is guaranteed. coolInG Inlet air temperature d.b - source side [°C] HeATInG Inlet air temperature d.b - source side [°C] The limits are approximate and are referred to STANDARD air flow rate. -
Page 30: Electrical Data
TecHnIcAl DATA AnD PeRFoRMAnces electrical data Model 35 .1 45 .1 55 .1 70 .2 90 .2 110 .2 140 .2 180 .2 220 .2 u .M . Power supply 400V - 3ph+N - 50Hz V-ph-Hz F .l .A . - Maximum current input Compressor 1 23,0 28,0... -
Page 31: Noise Levels
TecHnIcAl DATA AnD PeRFoRMAnces noise levels unit noise levels bAse acoustic setting up (Ab) sound pressure level sound power levels [db] sound power by octave bands [Hz] level Model at 1 metre at 5 metres at 10 metres 1000 2000 4000 8000 [db]... -
Page 32: Air Flow Silencers Acoustic Attenuation
TecHnIcAl DATA AnD PeRFoRMAnces Air flow silencers acoustic attenuation Acoustic attenuation [db] by octave bands [Hz] Model 1000 2000 4000 8000 35 .1-45 .1-55 .1 16,0 19,0 25,0 24,0 16,0 12,0 70 .2-90 .2-110 .2 15,0 14,0 16,0 18,0 13,0 Return air fan noise levels sound power sound power levels [db] by octave bands [Hz]... -
Page 33: Overall Dimensions
TecHnIcAl DATA AnD PeRFoRMAnces overall dimensions Models 35 .1 - 45 .1 - 55 .1 - 70 .2 - 90 .2 - 110 .2 LEGEND POS. DESCRIPTION Refrigerant circuit inspection panel Electrical box inspection panel 35.1 Internal fan inspection panel 45.1 External coils 55.1... - Page 34 TecHnIcAl DATA AnD PeRFoRMAnces Q.E. V1 – V2 V1 - V2 1085 Q.E. V1 - V2 with V1 – V2 condensing gas con modulo heating module termico a gas Q.E. 1190 1600 Q.E. with modulo condensing gas termico heating module a gas 1190 1600...
- Page 35 TecHnIcAl DATA AnD PeRFoRMAnces Models 140 .2 - 180 .2 - 220 .2 2200 with VB CON MODULO TERMICO A GAS condensing gas heating module LEGEND POS. DESCRIPTION Refrigerant circuit inspection panel Electrical box inspection panel Internal fan inspection panel External coils External fans Lifting points...
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Page 36: Minimum Operating Area
TecHnIcAl DATA AnD PeRFoRMAnces Minimum operating area The choice of the location of the unit is very important in order to guarantee the unit to work properly. Air flow obstructions, air circulation difficulties, leaves or other foreign materials that can clog the coils, winds that blow against or excessively favour the air flow, air stratification or ricirculation effects, nearby heat sources, are all causes of anomalous operating or shut downs of the unit caused by : •... -
Page 37: Connections
connecTIons Hydraulic connections Internal coil condensate discharge connection (compulsory) It is very important that this operation be performed with particular care by specialized personnel. For the sequence follow these instructions: • . Connect the condensate discharge tube. • . Use a siphon to eliminate the negative pressure created by the fan, thereby preventing the intake of gas by the discharge tube and ensuring the regular discharge of the condensate. - Page 38 connecTIons IMPoRTAnT • . IF THe unIT Is suPPoRTeD bY AnTI-VIbRATIon MounTs, TAKe PARTIculAR noTe THAT Also THe WATeR connecTIons MusT HAVe AnTI-VIbRATIon JoInTs InsTAlleD . • . IT Is oblIGAToRY To MounT A MeTAl MesH FIlTeR WITH A MesH oF no MoRe THAn 1 MM on THe WATeR InleT Tube, AT THe RIsK oF THe cAncellATIon oF THe WARRAnTY .
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Page 39: Aeraulic Connections
connecTIons Aeraulic connections All the units, in their various configurations, are equipped with an intake that is always frontal, and an outlet that can be frontal or downward. The edges of the outlet and inlet openings are designed in such a manner as to permit the proper attachment of the ducts. - Page 40 connecTIons Models 140 .2 - 180 .2 - 220 .2 2383 1805 2383 1020 Downwards air flow connection Models 35 .1 - 45 .1 - 55 .1 Models 70 .2 - 90 .2 - 110 .2 Q.E. Q.E. Q.E. Q.E. 2610 1900 1940...
- Page 41 connecTIons Models 140 .2 - 180 .2 - 220 .2 2610 1940 2383 1800 LEGEND Space available for fixing outlet duct Space available for fixing inlet duct Return air 2610 Frontal air flow Upwards air flow Downwards air flow 1940 Outdoor air 2610 Expulsion air...
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Page 42: General Standards
connecTIons General standards The electric wiring must be installed by qualified personnel according to the standards that are in force at the time of installation in the destination country. Before beginning any work on the electrical system, first make sure that the unit's power supply line is isolated at the source. N.B.: Refer to the wiring diagram attached to the unit. -
Page 43: Condensing Gas Heating Module Connections
connecTIons condensing gas heating module connections LEGEND Condensate drain Q.E. Flue gas discharge 35.1 - 45.1 - 55.1 Intake Standard Inspection panel Maggiorato Upsized Gas inlet 35.1 ÷ 55.1 Standard - Upsized Ø 10 mm Ø 80 mm Ø 80 mm UNI ISO 7/1 –... - Page 44 connecTIons 1200 2900 267,5 Q.E. 140.2 - 180.2 - 220.2 Standard 1200 3700 Q.E. 140.2 - 180.2 - 220.2 Maggiorato Upsized 1200 3700 LEGEND 140.2 ÷ 220.2 Condensate drain Standard Upsized Flue gas discharge Ø 18 mm Ø 18 mm Intake Ø...
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Page 45: Receiving And Positioning
ReceIVInG AnD PosITIonInG Receiving On receiving the unit, make sure the shipment is complete by carefully checking its agreement with that ordered. Carefully check the load for any damage. In case of goods with visible damage, promptly report it to the carrier, writing "Collection with reserve due to clearly visible damage"... -
Page 46: Positioning
ReceIVInG AnD PosITIonInG Positioning All series units are designed for outside installation. To ensure correct installation: • . Make sure the support surface is perfectly level and that it can take the weight of the unit. It is advisable to create a base of suitable size for the unit. -
Page 47: Start Up
sTART uP start up The operations described below must only be carried out by adequately trained personnel. For the contractual warranty to be valid, commissioning must be carried out by an authorised assistance centre. Before calling, it is advisable to ensure that all the installation steps have been completed (positioning and levelling the unit, elec- trical, aeraulic and plumbing connections) Preliminary checks before switching on Make sure :... - Page 48 sTART uP checks and settings after switching on Refrigerant circuit For each refrigerant circuit, make sure : • there are no gas leaks (all the caps of the pressure points must be fitted and secured) • the saturation temperature (dew point) corresponding to the condensation pressure is approx. 10-15°C higher than the outside air temperature in cooling and approx.
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Page 49: Control System
conTRol sYsTeM control system The unit is managed by a controller with microprocessor consisting of a card, inside the electrical panel, to which all the loads and control devices are connected and a user interface accessed by removing the electrical panel protection panel. A further interface can be connected to the card for remote control of the machine. - Page 50 conTRol sYsTeM leD step 1 : compressor circuit 1 : compressor circuit 1 on : compressor circuit 1 off FLASHING at a frequency of 1 Hz (1 per second) : timing in progress FLASHING at low frequency (< 1 Hz) : defrost in progress on circuit 1 led step 3 : compressor circuit 2 : compressor circuit 2 on...
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Page 51: Main Structure
conTRol sYsTeM Main structure The menu of the control system has a tree structure based on four different levels. By scrolling the menu with the “mode” and “set” buttons it is possible to display and modify : • set point •... -
Page 52: Inputs And Outputs
conTRol sYsTeM Inputs and outputs To monitor the unit, the controller is equipped with the following inputs and outputs : • Analogue inputs : • Digital inputs : • Analogue outputs : • Digital outputs : DESCRIPTION CHARACTERISTICS Analogue inputs Ts.b. -
Page 53: Controller Technical Data
conTRol sYsTeM controller technical data Description Typical Minimum Maximum Power supply voltage * 12, 0 V~ 10,8 V~ 13, 2 V~ Power supply frequency 50 Hz / 60 Hz Power 11 VA Insulation class Protection degree Frontal IP0 Ambient operating temperature 25 °C -10 °C 60 °C... -
Page 54: Alarm Table
conTRol sYsTeM Alarm table Loads BLOCKED CODE ALARM RL1 RL2 RL3 RL4 RL5 RL6 RL7 TC1 TC2 AN3 RESET Remote ON-OFF ID10 High pressure circuit 1Compressor ther- mal cut-out circuit 1External fans thermal cut-out circuit 1 Low pressure circuit 1Sequence meter AS (3) Outlet air low temperature AS (3) (2) -
Page 55: Alarm Diagnostics
conTRol sYsTeM Alarm diagnostics Intervention of a safety device indicates an operation fault. Before resetting the alarm it is necessary to carry out a check and eliminate the cause of the alarm. Given below is a list of possible problems and causes, as a troubleshooting guide for some faults that could occur in the unit. The list does not cover all possible faults. - Page 56 conTRol sYsTeM ALARM CAUSE POSSIBLE ACTION OR CHECK 8. External fans faulty (in heating). 8. Check for any obstructions on the fan blades. Check the electrical 9. External fan speed adjustment system inefficient windings and replace any damaged fans. (in heating). 9.
- Page 57 conTRol sYsTeM ALARM CAUSE POSSIBLE ACTION OR CHECK 1. Probe shorted or disconnected. 1. Check the probe as described in the section “Probe characteristics” 2. Temperature outside the probe limits and replace it if necessary. (-30°C ÷ 90°C). 2. With a thermometer check if the temperature is outside the probe 3.
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Page 58: Functions Available For The User
conTRol sYsTeM Functions available for the user set point The set point value in COOLING and in HEATING can be set. These values must come within a predetermined max. and min. value. The task of the controller is to keep the inlet air temperature as close as possible to the set value by activating the available compres- sors according to an on-off logic. -
Page 59: Probe Characteristics
conTRol sYsTeM Remote cooling - Heating This function allows remote switching of the machine operating mode and is enabled only if Pa H49 = 1. The digital input used is ID11. If the input is active (contact open) the selected operating mode is Heating. Automatic mode This function enables automatic switching between the cooling and heating modes according to the inlet air temperature and set points. -
Page 60: Serial Communication
conTRol sYsTeM serial communication The unit can communicate on a serial line using the Modbus communication protocol with RTU coding. With the “Modbus Kit”, supplied as an accessory, the unit can be connected to an RS485 network and meet the requirements of any master device connected to the network serial line settings The serial line must be set in the following way :... - Page 61 conTRol sYsTeM Register address Bit num- Label Description Cooling set point 2049 0801 °C Heating set point 2050 0802 °C Enable heat pump 2060 080C Operating mode selection configuration 2099 0833 Family serial address 2117 0845 Device serial address 2118 0846 Automatic operating mode hysteresis in cooling 2168...
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Page 62: Maintenance
MAInTenAnce Maintenace IMPoRTAnT. BEFORE CARRYING OUT ANY CLEANING OR MAINTENANCE OPERATIONS ON THE UNIT MAKE SURE THE POWER IS DISCONNECTED. ANY ROUTINE OR EXTRAORDINARY MAINTENANCE OPERATIONS GIVEN BELOW MUST BE CARRIED OUT BY SPECIALISED AND AUTHORISED PERSONNEL IN ORDER TO ENSURE COMPLIANCE WITH THE CURRENT SAFETY REGULATIONS. - Page 63 MAInTenAnce Air filters Checking the filters is considered routine maintenance to be carried out according to the place where the unit is installed. It is advisable to carry out this operation weekly in particularly dusty places. All the units are fitted standard with pleated filter cells (G4 filtering class according to EN 779) having standard dimensions in order to be available from any manufacturer or dealer.
- Page 64 MAInTenAnce Pulleys Avoid the conditions listed below, which could cause early wear of the pulleys (fixed or expanding). • lack of alignment, lack of parallelism, breakage, high wear and lack of eccentricity • dust, grease, dirt and also a high level of humidity which would cause the formation of condensate. These substances depositing between the surfaces of the belt and those of the pulley can cause the system to work in anomalous conditions.
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Page 65: Safety And Pollution
sAFeTY AnD PolluTIon General considerations Accessing the unit The access to the unit must be granted exclusively to qualified personnel trained to operate on this type of units and provided with the necessary protection equipment. Moreover such personnel, to operate, must be authorized by the owner of the unit and recognized by the Manufacturer. - Page 66 sAFeTY AnD PolluTIon Respiratory tract protection For rescue and for maintenance works in tanks, use self-contained breathing apparatus. The va- pours are heavier than air and can cause suffocation, reducing the oxygen available for breathing. Eye protection Total protection glasses. Hand protection Rubber gloves.
- Page 68 Ferroli spa ¬ 37047 San Bonifacio (Verona) Italy ¬ Via Ritonda 78/A tel. +39.045.6139411 ¬ fax +39.045.6100933 ¬ www.ferroli.it...