Related Manuals for Ferroli RCA 50
Summary of Contents for Ferroli RCA 50
- Page 1 50÷180 AIRCOOLED LIQUID CHILLERS AND HEAT PUMPS WITH AXIAL FANS AND SCROLL COMPRESSORS INSTALLATION, MAINTENANCE AND USER MANUAL...
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Page 3: Table Of Contents
GENERAL MAINTENANCE DOCUMENT INFORMATION MAINTENANCE RANGE WEEKLY CHECKS ACCESSORIES MONTHLY CHECKS COMPLIANCE ANNUAL CHECKS MACHINE IDENTIFICATION WATER CIRCUIT INTENDED USE REFRIGERANT CIRCUIT GENERAL PRECAUTIONS DECOMMISSIONING AND DISPOSING BASIC SAFETY RULES RESIDUAL RISK 1.10 USER GUIDELINES 1.11 MACHINE DESCRIPTION SHIPMENT INSPECTION ON RECEIPT POSITION OF THE EQUIPMENT EQUIPMENT STORAGE... -
Page 4: General
1. General Document information Range Accessories Compliance Machine identification Intended use General precautions Basic safety rules Residual risk 1.10 User guidelines 1.11 Machine description 1.1 Document information 1.1.1 Symbols • This publication contains the following symbols: Chapter Sequence of paragraphs Draws attention to actions that can cause serious injury if not performed Danger Preliminary precautions... -
Page 5: Accessories
• Frame feature plate. 1.3 Accessories - Affixed on the machine, it shows the technical and performance data of the equipment. Factory fitted accessories • Electrical board feature plate. Automatic circuit breakers - Affixed on the panel from which the electrical board is accessed, it shows the electrical Unit silencement data of the equipment. -
Page 6: Basic Safety Rules
1.8 Basic safety rules Measures to be adopted if refrigerant gas leaks • Product type: Using products that require electricity and water require some basic safety rules to be complied with, such as: - R410A It is prohibited to operate the unit before having disconnecting it from the power supply by First aid measures setting the main switch to "off". -
Page 7: Machine Description
1.11 Machine description 1.11.1 Features Frame. Self-supporting galvanised steel frame further protected with polyester powder painting. Easy to remove panels allow access to the inside of the unit for maintenance and repair operations. Compressors. Scroll with oil sight glass. They are fitted with internal overheat protection and crankcase heater, installed on rubber shock absorbers. -
Page 8: Shipment
2. Shipment Inspection on receipt Position of the equipment Equipment Storage Handling Unpacking Access to internal parts Resting on the ground 2.1 Inspection on receipt 2.3 Equipment Packaging plate • Installation, operating and maintenance manual; • Wiring diagram; • Refrigerant diagram; •... -
Page 9: Unpacking
2.5.2 Lifting with a crane The machine is supplied without shock absorbers. Install any shock absorbers before resting the machine definitely on the ground. Bar for lifting (maximum ø 63 mm) Hole to insert the lifting bar Label for holes enabled for lifting Only remove the packaging when set in the place of installation. -
Page 10: Installation
3. Installation Installation location requirements Work fields Unit location Verifying clearances (clearance area) 3.1 Installation location requirements 3.3 Unit location The installation place must be chosen as specified in standard EN 378-1 and the requirements of standard EN 378-3. In any case, the installation site must consider the risks associated with an accidental leak of refrigerant gas contained in the direct expansion units. -
Page 11: Verifying Clearances (Clearance Area)
3.3.1 Noise The slab must be horizontal and able to withstand approximately 200% of the operating weight of the machine. If necessary, use shock absorbers (rubber or spring). heat pump A drain for the water produced by coils defrosting must be implemented for the units. -
Page 12: Water Connections
4. Water connections Connection diagram Position of connections Hydraulic data Connection to the system System fill-up Desuperheater connection 4.1 Connection diagram 4.3 Hydraulic data Unit 4.3.1 Water volume Anti-vibration joint (recommended) Check valve The machine electronic control, to protect the electrical motor, limits hourly start up of the Flow switch (mandatory) compressor. -
Page 13: Connection To The System
Content Concentration mg/l or ppm Material <6 6-7.5 7.5-9 >9 - <70 Alkalinity HCO3 70-300 >300 <70 Sulphate SO42- 70-300 >300 >1 Alkalinity/Sulphate HCO3-/SO42- <1 <10 Electrical conductivity μS/cm 10-500 In these models, the connections are positioned inside the unit. >500 •... -
Page 14: System Fill-Up
4.4.2 Models with hydronic kit In these models, the connections are positioned outside the unit. • Remove the protection caps from the connections. The connections are positioned inside the unit. • Connect the pipes to the connections. • Remove the inspection panels (A). •... -
Page 15: Electrical Connections
5. Electrical connections Machine connection Connections of the accessories 5.1 Machine connection 5.2 Connections of the accessories Pre-cut for front inlet 5.2.1 Flow switch Hole for bottom inlet The chiller must only operate in the presence of water flow. The flow switch (if not already present) must be connected as shown in the wiring diagram. -
Page 16: Commissioning
6. Commissioning Preliminary inspections First start-up or restart after long inactivity Shut-down Flow rate calibration 6.1 Preliminary inspections - Read the temperature indicated on the pressure gauge connected to the inlet. - The difference between these temperatures provides the overheating value. •... -
Page 17: Flow Rate Calibration
6.3.2 Shut-down for long periods Not using the unit for a long period of time requires the following operations to be performed: • Disable the unit in any mode of operation it may be, from the control panel. • Set the remote switch to "OFF" (if present) after having turned off the unit. •... -
Page 18: Control Panel
7. Control Panel User interface Switch on and off Settings Unit Status Planning Alarms 7.1 User interface From these icons it is possible to see if the alarm is intervened in the operation of the machine, if it is operating in energy save mode or if an operating frame was set. 7.1.1 Control panel Through the start- up of the arrow keys in correspondence of LEDs on the control panel, it is possible to see how many compressors are working, if the primary exchanger heaters, the... -
Page 19: Switch On And Off
7.3 Settings 7.3.1 Date and time The control panel features a clock and calendar which allows the management of the alarm history and the planning of operating ranges. Date and time setting on the control board With the PRG key you can enter in the selection menu. Press the SET key to access to the setting menu. - Page 20 7.3.2 Operating mode change The machine operating mode can be changed from the control panel. The selectable modes are: Stand-by (Stby), heating (HEAT) and cooling (COOL). With press and hold ESC or F2 key you can change the operation mode of the unit. ESC and F2 keys are enabled by the Ui21=1 parameter and by disabling the digital inputs Summer/Winter and ON/Standby.
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Page 21: Unit Status
The control panel will display the main screen. Once selected the set-point to modify, press the SET key. 7.3.3 Set-point The machine inlet water temperature can be set from the control panel. Press the SET key to access to the menu. By using UP and DOWN keys it is possible to select the desired value. - Page 22 On the display AI label (analogue inlets)appears. DI (digital inlets). In each label it is possible to press the SET key to enter in the parameters. DO (digital outlets). In each label it is possible to scroll all parameters by using UP and DOWN keys. CL (clock).
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Page 23: Planning
SR (real Set-point). 7.5 Planning From control panel it is possible to access to planning menu by pressing the PRG key. REL (firmware review). The parameters menu contains the list of editable parameters of the machine. Press the SET key to access to menu, press the ESC key to exit. Using UP and DOWN keys it is possible to select the following menu. -
Page 24: Alarms
Using UP and DOWN keys it is possible to select the following menu. 7.6 Alarms 7.6.1 Alarm presence In case of poorly functioning of the machine, the ALARM signal and the intervened alarm code appear on the display. The password menu allows the entrance to the protected area of the control panel. Press SET to enter the password. - Page 25 Use UP and DOWN keys to select the EU menu. TY: indicates if the intervened alarm is with manual or automatic reset. Press the SET key to enter the menu containing the list of intervened alarms. DO: indicates the date when it was rearmed or if the alarm is still active (- - : - -). Use UP and DOWN keys to select the alarm of whom you wish to visualize all information.
- Page 26 7.6.4 Alarm charts From alarm charts it is possible to identify the anomaly on the unit. Alarm Alarm name code E000 General alarm E001 High pressure (digital) circuit 1 E002 High pressure (digital) circuit 2 E003 High pressure (analogue) circuit 1 E004 High pressure (analogue) circuit 2 E005 Low pressure (digital) HI: indicates the time when an alarm intervened.
- Page 27 Alarm E047 LAN communication error Alarm name code E048 Anti-legionella Broken circuit 1 high pressure inlet, and/or broken circuit 2 high E050 Thermal protection electrical heaters 1 primary exchanger E069 pressure inlet E051 Thermal protection electrical heaters 2 primary exchanger Broken circuit 1 low pressure inlet, and/or broken circuit 2 low E056 Auxiliary outlet thermal protection E070...
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Page 28: Maintenance
8. Maintenance Maintenance Weekly checks Monthly checks Annual checks Water circuit Refrigerant circuit Decommissioning and disposing 8.1 Maintenance • Verify that the noise emission of the machine is regular. • Check that any antifreeze heaters are working properly. Regular maintenance is essential to maintain the efficiency of the unit in terms of operation and •... -
Page 29: Refrigerant Circuit
It is advisable to repeat this operation after the unit has been operating for a few hours and regularly check the system pressure. Top-ups must be carried out with the machine off (pump OFF). The system must be filled to a pressure range between 1 and 2 bar. 8.5.2 Draining of the water circuit •... - Page 32 FERROLI S.p.A. Via Ritonda 78/a 37047 San Bonifacio - Verona - ITALY www.ferroli.com Made in Italy...