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Alfa Laval AquaFirst, Installation, Service And Operating Instruction

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Alfa Laval AquaFirst Installation, Service And Operating Instruction Download Page 16

Alfa Laval AquaFirst 

Installation, service and operating instruction

 

 

14 

4.2 

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. 
Remote contact: 
If contact closed, the unit is in standby mode. If contact open, the unit is operating normally. 

 
 

 

Summary of Contents for AquaFirst

Page 1: ...DOC 1361 Rev Sep 2017 Soft V4 Installation service and operating instruction Alfa Laval AquaFirst Domestic hot water supply...

Page 2: ......

Page 3: ...15 4 3 4 Low voltage inputs contacts Sensors on controller 15 5 User instruction operator control panel Micro 3000 16 5 1 Home screen 17 5 2 Command symbols 17 5 3 Setting the time and date 18 5 4 Ch...

Page 4: ...nce and repairs 42 14 1 Open the control box 43 14 2 Change fuses 43 14 3 Pumps number 44 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...

Page 5: ...The AquaFirst is available in two plate sizes 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 c...

Page 6: ...4000 AquaFirst 6000 8000 Picture 1 Picture 2 1 Control Box including Micro3000 6 Secondary charging pump 2 Signal actuator 7 Safety valve 3 Secondary charging pump 8 3 port mixing control valve 4 Tem...

Page 7: ...es through the fitting 2 Cold water enters at bottom part 3 and leaves at the required temperature at high part 4 The secondary circuit should be equipped with a recirculation or a charging pump Modul...

Page 8: ...packing Preparation Mounting Rinse the pipes before connecting them to the tap water module Pipe works may contain solid particles that could block or prevent the modulating valve to operate correctly...

Page 9: ...following schematics Picture 9 REP DESIGNATION REP DESIGNATION A Primary inlet HE Heat Exchanger PHE B Primary Outlet PP Primary pump single double CW Cold water inlet PR Recycling pump option V3V Mi...

Page 10: ...safety vaIve protects the storage vessel and not the tap water system Secondary charging pumps have the following limitations as per water quality pH 6 to 9 and TH 25 French degrees 25 TH or 14 German...

Page 11: ...Alfa Laval AquaFirst Installation service and operating instruction 9 3 5 Measure sketch Aqua First 2000 4000 Direct version Picture 12 Pump type single or double...

Page 12: ...Alfa Laval AquaFirst Installation service and operating instruction 10 3 6 Measure sketch Aqua First 2000 4000 Indirect version Picture 13 Pump type single or double...

Page 13: ...Alfa Laval AquaFirst Installation service and operating instruction 11 3 7 Measure sketch Aqua First 6000 8000 Direct version Picture 14 Pump type single or double...

Page 14: ...Alfa Laval AquaFirst Installation service and operating instruction 12 3 8 Measure sketch Aqua First 6000 8000 Indirect version Picture 15 Pump type single or double...

Page 15: ...rth using electric protection in the main electric power box Micro 3000 box is a secondary electrical control box Human protections and protection against short circuits and over intensity must be ins...

Page 16: ...en 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: ...continuously even if they are not wired 4 3 3 Low voltage outputs on PCB 20 21 22 23 24 25 26 27 28 29 0V S S 0V S S NO C NC 24Vac AO1 0 10V 0V Pump 1 Start Stop N A Pump 2 Start Stop N A Relay 1 cont...

Page 18: ...y Press to exit a level and return to the previous menu parameter Works like an ESC key Press to access the maintenance monitoring menu NOTE Requires a password Press to go to the Home screen Main Men...

Page 19: ...quaFirst an alarm text will be displayed on the screen Press the House button to enter the Home screen 5 2 Command symbols Auto Datapoint is in automatic operation and can be switched into manual oper...

Page 20: ...h 4 Proceed in the same way to set the month date and time hour minute 5 4 Changing the Date format In the Date Time menu the date format can be changed Choose between the following formats yyyy mm dd...

Page 21: ...C result in an increased risk of precipitation of lime scaling on the surfaces of the heat exchanger 6 2 Time programs The time programs used in AquaFirst are adjusted the same way Time programs SP_T_...

Page 22: ...ressing the b Add a new time or set point choose c To delete a time or set point choose In this example the set point is 60 C at 22h00 You can choose to reduce the temperature during the night in this...

Page 23: ...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 1 In the home screen...

Page 24: ...ue does not have any impact on the AquaFirst Main Menu T_Secondary_Out Read Only Measured temperature DHW S1_PID_Setpoint Read Only DHW temperature setpoint T_Secondary_Inlet Read Only N A T_Primary_O...

Page 25: ...mary pump s number MinSpeedP1P2 40 10 100 N A P34 Nbr of Pumps 0 0 1 2 Secondary pump s number Modbus Factor 1 1 10 100 To set displayed decimals on Modbus values 1 integer value eg 58 C 10 1 decimal...

Page 26: ...AquaFirst 2 sec 0 200 sec N A 7 5 Thermal Treatment Menu The function Thermal Treatment is disabled by default Activate it by setting TrTh_Activated to ON The clock program logically activates it aut...

Page 27: ...ture is dropping down faster than Booster Gradient the second primary pump if existing is energized to increase the primary flow rate Function stops when DHW temperature is back to the setpoint value...

Page 28: ...rimary inlet temperature 7 9 230V Triac menu Accessing the 230C Triac menu requires login at Technician level This menu allows using a 230VAC Triac output Parameter Factory Default Setting Optional se...

Page 29: ...1P2 Cycling Hour 10h00 pm 00h00 23h59 11h59 pm Pump shift time Min Speed P1P2 40 10 100 N A P1P2 Overlap 6 0 10 seconds Time to start P2 P1 before stopping P1 P2 to let the other pump start P3P4 Diff...

Page 30: ...quence Parameter Factory Setting Optional Setting Description Start AutoTest 0 0 1 Set 1 to start auto test When finished the value goes back to zero Pump_Fault_Reset Off Off On Set to On after an Aut...

Page 31: ...Clear alarm menu 7 12 Clear alarm menu Accessing the Clear Alarm menu requires login at Technician level All alarms are cleared the same way Parameter Factory Default Setting Optional Setting Descrip...

Page 32: ...en close control valve for example 8 1 Change password for technician level NOTE To change the password you need the password for the Technician level level 3 1 Press key to access to Service Menu go...

Page 33: ...n temperature program See 7 4 S1 Menu Secondary Outlet TSP_Amb Not used Multi Pulse See 7 9 230V Triac menu Therm treatment See 7 5 Thermal Treatment Menu Point Data Internal parameters I O visualisat...

Page 34: ...g Hours in the menu The first time you enter this menu the list is empty 3 To add a variable to trend choose 4 Mark one variable to follow and press the wheel 5 Validate the variable by ticking in the...

Page 35: ...ry outlet temperature S1 6 Validate the variable by ticking in the Trend Log box If this box is empty the variable is in the list but it is not record There are two different ways to record a Only the...

Page 36: ...ture at the time can be read For example on 21st of September at 14h22 was the temperature in S1 58 C 8 7 Point Data From the menu Point Data it is possible to start stop a pump open close the control...

Page 37: ...e high temp Non Critical Alarms Lists all non critical alarm condition These alarms are more information like power failure For example in the alarm buffer you can read 15 52 SAFETY_FCT 15 51 SAFETY_S...

Page 38: ...al Alarm 0 1 28 High_Temp_Alarm High temperature alarm on S1 sensor 0 1 29 Fouling_Alarm Fouling heat exchanger Alarm 0 1 30 Ret_High_Alarm High temperature alarm on S2 0 1 31 ThermTr_Alarm Thermal tr...

Page 39: ...me with a star at the end 3 Press the wheel a few seconds and the program will start after 1 minute Settings are now factory settings Note that on some software versions the displayed language can be...

Page 40: ...6 on controller C Bus terminal The connection via shielded cable is not required but can be performed with the terminal 24 For this it is necessary to unscrew the front panel Picture 21 Picture 22 12...

Page 41: ...u go to Login Installer press the wheel 2 Enter the current password press the wheel to validate 3 Mark Next then press the wheel 4 Select Interface Config 5 Select Modbus 6 Select the variable to cha...

Page 42: ...Alfa Laval AquaFirst Installation service and operating instruction 40 12 4 Modbus slave communication parameters...

Page 43: ...k then replace if necessary Supply wires improperly tightened Check wires re tighten connections Actuator stroke restricted Dismount then clean the valve High alarm condition detected Charging pump st...

Page 44: ...e detected Regularly check lime scaling on the connected devices as scaling depends of water quality hardness and temperatures levels Scaling of the secondary side will be evidenced by a high pressure...

Page 45: ...the control box for quick servicing The service work must be carried out by an authorized service technician Turn off the power supply before starting to work Picture 26 F5 Fuse F5 1 Led 1 lit when pu...

Page 46: ...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 NOT...

Page 47: ...elay 2 is always NO normally open Connect the relay 1 Operating mode Connections on PCB bottom terminal NO C NO 25 24 NC C NF 25 26 Connect relay 2 to the controller terminal 13 IN6 and 14 OUT6 See 4...

Page 48: ...the plates using a soft plastic brush and water or a solution of diluted acid in accordance with PHE plate general cleaning instructions DO NOT USE hydrochloric acid or any acid that could corrode st...

Page 49: ...EDPM 1st plate PLAM3H316E4B 44 Plate M3 H 316 0 5mm EDPM End plate PLAM3H316E4F 45 Plate M3 H 316 0 5mm EDPM std plate PLAM3H316EST 60 MAGNA1 32 40 1 230 pump POM202408 61 MAGNA1 D 32 40 1 230 pump PO...

Page 50: ...MH316E4B 68 Plate M6M H 316 0 5 EPDM gasket End plate PLAM6MH316E4F 69 Plate M6M H 316 0 5 EPDM gasket Std plate PLAM6MH316EST 70 Plate M6M L 316 0 5 EPDM gasket Std plate PLAM6ML316EST 85 Actuator ML...

Page 51: ...Alfa Laval AquaFirst Installation service and operating instruction 49 15 Commissioning report...

Page 52: ...Alfa Laval AquaFirst Installation service and operating instruction 50 16 Declaration of conformity...

Page 53: ...essment unless written agreement to proceed otherwise has been obtained from Alfa Laval The results of the assessment can only state whether or not the terms of the warranty apply Exclusion factors No...

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