Alfa Laval AquaFirst Installation, Service And Operating Instruction

Alfa Laval AquaFirst Installation, Service And Operating Instruction

Domestic hot water supply
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Installation, service and operating instruction Alfa Laval AquaFirst
Domestic hot water supply
DOC-1361 Rev: Sep, 2017, Soft V4

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Summary of Contents for Alfa Laval AquaFirst

  • Page 1 Installation, service and operating instruction Alfa Laval AquaFirst Domestic hot water supply DOC-1361 Rev: Sep, 2017, Soft V4...
  • Page 3: Table Of Contents

    Installation ..........................6 Unpacking/Preparation/Mounting ......................6 Commissioning ............................6 Installation of an AquaFirst Direct (Instantaneous) units ................7 Installation of an AquaFirst Indirect (Semi-Instantaneous) unit ..............8 Measure sketch Aqua First 2000 & 4000 Direct version*................9 Measure sketch Aqua First 2000 & 4000 Indirect version* ..............10 Measure sketch Aqua First 6000 &...
  • Page 4 Open the control box ..........................43 14.2 Change fuses ............................43 Pumps’ number ............................44 14.3 14.4 Add a recycling pump to an AquaFirst Direct ..................44 14.5 Add an extra pump ..........................44 14.6 Add an extra sensor ..........................44 14.7 230V Triac output ...........................
  • Page 5: Aquafirst General Presentation

    • M3H for model FI2000 and FI4000. • M6M MH/ML for model FI6000 and FI8000. There are in total 40 models of the AquaFirst, 12 direct and 24 indirect. All types can have single or double pumps. Option: • rock wool insulation with cladded aluminium sheet The AquaFirst has to be connected to a primary heating source, like a boiler or a heat exchanger.
  • Page 6: Product Overview Aquafirst

    Alfa Laval AquaFirst Installation, service and operating instruction Product overview AquaFirst AquaFirst 2000 & 4000 AquaFirst 6000 & 8000 Picture 1 Picture 2 Control Box including Micro3000 Secondary charging pump Signal actuator Safety valve Secondary charging pump 3-port mixing control valve...
  • Page 7: Operating Principle

    Alfa Laval AquaFirst Installation, service and operating instruction 2 Operating principle Picture 3 Picture 4 Picture 5 Picture 8 Picture 6 Picture 7 • The primary water enters the 3 port modulating valve (1) and leaves through the fitting (2).
  • Page 8: Installation

    The installation work must be carried out by an authorized installation contractor. The temperature and the pressure of the water are very high. Only qualified technicians are allowed to work with the AquaFirst. Incorrect operation may cause serious personal injury and result in damage to the building.
  • Page 9: Installation Of An Aquafirst Direct (Instantaneous) Units

    Alfa Laval AquaFirst Installation, service and operating instruction Installation of an AquaFirst Direct (Instantaneous) units The tap water modules should be installed according to the following schematics. Picture 9 DESIGNATION DESIGNATION Primary inlet Heat Exchanger (PHE) Primary Outlet Primary pump (single/double)
  • Page 10: Installation Of An Aquafirst Indirect (Semi-Instantaneous) Unit

    Alfa Laval AquaFirst Installation, service and operating instruction Installation of an AquaFirst Indirect (Semi-Instantaneous) unit Recycling flow rate PR must be < 60% PC flow rate. Protect the storage tank by installing the added safety valve. Pressure gage=tank MAX working pressure and can be different from tap water module’s safety valve pressure gauge.
  • Page 11: Measure Sketch Aqua First 2000 & 4000 Direct Version

    Alfa Laval AquaFirst Installation, service and operating instruction Measure sketch Aqua First 2000 & 4000 Direct version* Picture 12 * Pump type, single or double...
  • Page 12: Measure Sketch Aqua First 2000 & 4000 Indirect Version

    Alfa Laval AquaFirst Installation, service and operating instruction Measure sketch Aqua First 2000 & 4000 Indirect version* Picture 13 * Pump type, single or double...
  • Page 13: Measure Sketch Aqua First 6000 & 8000 Direct Version

    Alfa Laval AquaFirst Installation, service and operating instruction Measure sketch Aqua First 6000 & 8000 Direct version* Picture 14 * Pump type, single or double...
  • Page 14: Measure Sketch Aqua First 6000 & 8000 Indirect Version

    Alfa Laval AquaFirst Installation, service and operating instruction Measure sketch Aqua First 6000 & 8000 Indirect version* Picture 15 * Pump type, single or double...
  • Page 15: Electrical Installation

    Alfa Laval AquaFirst Installation, service and operating instruction 4 Electrical installation Power supply the control box with 230V 50 Hz + Earth, using electric protection in the main electric power box. Micro 3000 box is a secondary electrical control box.
  • Page 16: Electrical Wiring Diagram

    Alfa Laval AquaFirst Installation, service and operating instruction Electrical wiring diagram NOTE: When the remote control contact is open, the unit operates normally. If it is closed the unit is in standby. Picture 17 Earth or Ground wiring on the PCB IS MANDATORY. It must be connected to terminal No.3.
  • Page 17: Wiring Details

    Alfa Laval AquaFirst Installation, service and operating instruction Wiring details 4.3.1 Power terminal on PCB ╧ ╧ ╧ ╧ ╧ 230V Main Pump 1 Pump 2 Pump 3 Pump 4 Power supply (Primary) (Primary) (Secondary) (Secondary) Control box power supply: 230V 50Hz + Ground terminals 1,2 and 3.
  • Page 18: User Instruction Operator Control Panel Micro 3000

    Alfa Laval AquaFirst Installation, service and operating instruction 5 User instruction operator control panel Micro 3000 Picture 18 Button Function Rotary button for scrolling through the menus. Access sub-menus and change settings by pressing it. To activate the line or change a highlighted value, simply press the wheel.
  • Page 19: Home Screen

    Technician level- access to all menus requires login. Marked with a key in the upper right corner. NOTE : if there is an ongoing alarm when starting up the AquaFirst, an alarm text will be displayed on the screen. Press the House button to enter the Home screen.
  • Page 20: Setting The Time And Date

    Alfa Laval AquaFirst Installation, service and operating instruction Setting the time and date 1. Turn the wheel anticlockwise to highlight the line with time and date at the top of the screen. Press the wheel to enter the Date/Time menu.
  • Page 21: End User Mode

    (UTD, Standards EN, ISO etc.) All countries have different rules for how hot or cold tap water should be. Alfa Laval recommends the hot water temperature is at least 55°C and a hot water recirculation not less than 50°C. At a temperature below 50°C there is a risk of bacterial growth.
  • Page 22: Changing Time And Temperature In A Time Program

    Alfa Laval AquaFirst Installation, service and operating instruction Changing time and temperature in a time program By default the DHW set point SP_T_Sec_Outlet, set to 60°C by default, at any time, all the days of the week. Add extra temperature set points at different times of the day.
  • Page 23: Making A Quick Temperature Change

    Alfa Laval AquaFirst Installation, service and operating instruction Making a Quick temperature change You can quickly define a “one time” temperature change, a period of the day with a different setting. When the change period has expired, the temperature set point goes back to standard time schedule program.
  • Page 24: Technician Menu, Total Read And Write Level

    The technician Main menu To enter the Main menu you press the key. The grey marked parameters or menus are not available in the AquaFirst application. Their value does not have any impact on the AquaFirst. Main Menu Measured temperature DHW...
  • Page 25: Configuration Menu

    Alfa Laval AquaFirst Installation, service and operating instruction Configuration menu NOTE: After resetting the controller, this sub menu should be accessed to configure pumps’ number. Parameter Factory Optional setting Description Setting Type 0= First 1=Eff 0= AquaFirst Set to 0...
  • Page 26: S1 Menu Secondary Outlet

    Alfa Laval AquaFirst Installation, service and operating instruction S1 Menu Secondary Outlet Parameter Factory Optional setting Description Default Setting SP_T_Sec_Outlet 60°C DHW Setpoint Change setpoint value in clock program Delta T S1 HiAlm 10°C 0-50 High Temperature Alarm if Ts1...
  • Page 27: Safety Function

    Alfa Laval AquaFirst Installation, service and operating instruction Safety Function This function activates the four pumps' power relays at the same time without considering ipsothermic contacts' inputs. NOTE: This function can be enabled from base access level. Parameter Factory Default Setting...
  • Page 28: Fouling Function

    Alfa Laval AquaFirst Installation, service and operating instruction Fouling function Fouling function can be activated when the sensor S3 is connected. Accessing the fouling-menu requires login at Technician level. If the temperature in S3 is too high for a long time this function activates an alarm that consider the heat exchanger fooled.
  • Page 29: Pumps Menu

    Alfa Laval AquaFirst Installation, service and operating instruction 7.10 Pumps Menu P1 and P2=Primary pumps P3 and P4=Secondary pumps Parameter Factory Default Optional Description Setting setting P1P2 Diff.work time 12 hrs 1 - 1000 hours P1 or P2 Working time P1P2 Cycling.Type...
  • Page 30: Autotest Menu

    Alfa Laval AquaFirst Installation, service and operating instruction 7.11 Autotest menu Accessing the Autotest menu requires login at Technician level. This submenu allows testing analog (contacts) and digital (0-10V) outputs that manage pumps start/stop, both programmable relays, 230V Triac output and valve’ signal. It is possible to run an automatic sequence or to test manually each output individually.
  • Page 31: Clear Alarm Menu

    Alfa Laval AquaFirst Installation, service and operating instruction NOTE ! Once test is manually done and finished, remember to put the point on Automatic mode, logo NOTE: A pump fault may occur after Auto test. In this case, clear the alarm according to 7.12 Clear alarm...
  • Page 32: Service Menu

    Alfa Laval AquaFirst Installation, service and operating instruction 8 Service Menu Press the key to enter the Service menu. In the service menu you can: • change password for technician level • trending parameters • display the trend buffer •...
  • Page 33: Menu Continue

    Alfa Laval AquaFirst Installation, service and operating instruction Menu Continue Menu Sub-menu Sub-menu Description Continue Operating hours Viewing operating hours of internal parameters Trending Points in trend Select variables to trend for example temperature sensors Display Trend buffer View the records...
  • Page 34: Operating Hours

    Alfa Laval AquaFirst Installation, service and operating instruction Operating hours Operating hours for the following variables can be checked: • • Therm_Protec_P1/P2/P3/P4 AFF_leg_active • • Cmd_P1/P2/P3/P4 SAFETY_FCT • • Main_Alarm Multi_P • • High_Temp_Alarm ThTr_Activated • • Booster For more information and description see 10 Parameters list.
  • Page 35: Trending Parameters

    Alfa Laval AquaFirst Installation, service and operating instruction Trending parameters A lot of different variables can be recorded or trended. It can be temperatures’ measurement, valves or pumps’ signals, ipsothermic contacts, alarms, thermal treatments etc. key to access to Service Menu, then click on “Continue.
  • Page 36: Display The Trend Buffer

    Alfa Laval AquaFirst Installation, service and operating instruction Display the trend buffer key to access to Service Menu, then click on “Continue”. 1. Press 2. Select “Trending” in the menu. 3. Select “Display Trend Buffer”. 4. Select the variable to display, S1 in this case, and press the wheel.
  • Page 37: Alarm Menu

    Alfa Laval AquaFirst Installation, service and operating instruction 9 Alarm menu Alarm indication: Is volt Free Contacts (VFCs), 2 Amps maxi, each under 230 V. Press key to access to Alarm menu. The menu contains four different lists: • Alarm Buffer Lists all events with;...
  • Page 38: Parameters List

    Alfa Laval AquaFirst Installation, service and operating instruction 10 Parameters list There are more than 100 different variables used in the controller. Most of them are used for internal programs and calculations. Here we describe the main points. Name Description...
  • Page 39: Factory Reset

    Alfa Laval AquaFirst Installation, service and operating instruction 11 Factory RESET After a reset must the controller be configured, see 7.3 Configuration menu. Especially the number of pumps must be configured. 1. Press both for 5 seconds. 2. Rotate the wheel; select the last line (program name with a star at the end).
  • Page 40: Modbus

    Alfa Laval AquaFirst Installation, service and operating instruction 12 Modbus 12.1 Modbus communication The controller includes a Modbus slave communication protocol, type Modbus RTU RS485. Connection between BMS (building management system) and Micro 3000 requires two polarized wires on C+ and C-, respectively labelled 25 and 26 on controller C Bus terminal.
  • Page 41: Change Modbus Parameters

    Alfa Laval AquaFirst Installation, service and operating instruction 12.3 Change Modbus parameters key to access to Service Menu, go to “Login Installer”, 1. Press press the wheel. 2. Enter the current password, press the wheel to validate. 3. Mark “Next" then press the wheel.
  • Page 42: Modbus Slave Communication Parameters

    Alfa Laval AquaFirst Installation, service and operating instruction 12.4 Modbus slave communication parameters...
  • Page 43: Trouble Shooting

    Alfa Laval AquaFirst Installation, service and operating instruction 13 Trouble shooting FINDINGS PROBABLE CAUSES REMEDIES Pump not operating Locked rotor or damaged Force to rotate. Replace if required Corresponding led is not lit Replace Power Board Pump relay damaged Replace Power Board...
  • Page 44: Maintenance And Repairs

    Only replace any defective parts with the original spare parts. Please contact your Alfa Laval distributor for spare parts, note serial number and model designation. Maintenance work must be carried out by a qualified and authorized technician.
  • Page 45: Open The Control Box

    Alfa Laval AquaFirst Installation, service and operating instruction 14.1 Open the control box Remove the front panel by turning the lock button counter clockwise and lift up the cover. Picture 24 Unscrew the two screws in bottom and lift up the black panel.
  • Page 46: Pumps' Number

    Semi-instantaneous Double / Double P1+P2+P3+P4 14.4 Add a recycling pump to an AquaFirst Direct A recycling pump can be added to an AquaFirst Direct. The pump must be connected to P3. 14.5 Add an extra pump AquaFirst uses Class A constant speed pumps.
  • Page 47: 230V Triac Output

    If using 230V phase through this contact, do not exceed 2A load. 14.9 Remote Control contact The AquaFirst can be operated by a remote controller. To enable that connect a volt free contact between BI1 and GND. Wire terminal name...
  • Page 48: Clean Plate Heat Exchangers

    8. Screw the frames to the same distance they were before (Plate pack thickness dimension). 9. Clean the control sensor pocket. For further information please refer to Alfa Laval Instruction Manual Ref. 1644725-01. 14.11 Technical data Model 2000 & 4000 Model 6000 &...
  • Page 49: Spare Parts-Aqua First 2000 & 4000

    Alfa Laval AquaFirst Installation, service and operating instruction 14.12 Spare parts-Aqua First 2000 & 4000 Only replace any defective part with the original spare part. Please contact your local Alfa Laval agency. Picture 29 Position Description Spare parts AquaFirst 2000 & 4000...
  • Page 50: Spare Parts Aqua First 6000 & 8000

    Alfa Laval AquaFirst Installation, service and operating instruction 14.13 Spare parts Aqua First 6000 & 8000 Only replace any defective part with the original spare part. Please contact your local Alfa Laval agency. Picture 30 Position Description Spare parts AquaFirst 6000 & 8000...
  • Page 51: Commissioning Report

    Alfa Laval AquaFirst Installation, service and operating instruction 15 Commissioning report...
  • Page 52: Declaration Of Conformity

    Alfa Laval AquaFirst Installation, service and operating instruction 16 Declaration of conformity...
  • Page 53: Warranty

    Fitting costs, refitting costs, packaging, transport, and any accessories or equipment not manufactured by Alfa Laval, which will only be covered by any warranties issued by said third-party manufacturers. Any damage caused by connection errors, insufficient protection, misapplication or faulty or careless operations.

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