Alfa Laval Mini ECO Installation, Service And Operating Instruction
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Summary of Contents for Alfa Laval Mini ECO
- Page 1 Installation, service and operating instruction Alfa Laval Mini ECO Heating & domestic hot water substation for apartments and single family houses DOC-1392, 2016-20...
- Page 2 For additional on-line information, latest version of this manual and an installation movie: URL address: http://www.alfalaval.com/mini-eco QR-code:...
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Page 3: Table Of Contents
Installing the room thermostat ........................ 16 4.12 Installing the outdoor temperature sensor ....................17 4.13 Starting up sequence for Mini ECO with component check ..............17 Room thermostat ........................ 18 General ..............................18 Room thermostat ............................ 18 Control modes ............................19 Changing control mode, OTC heating curve and max supply temperature ........... - Page 4 Change the outdoor temperature sensor ....................38 11.8 Change the differential pressure control valve ..................39 Operating data and performance ..................40 12.1 Operating data Mini ECO ........................40 12.2 Technical Data............................41 12.3 Measure sketch ............................41 Options ..........................42 13.1...
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Page 5: General Information
A pre-programmed control unit and a power cable already fitted with a plug make things even simpler to allow immediate start-up. Mini ECO is designed for hanging on wall and is mounted on an insulated frame and includes an insulated cover. Better insulation means less energy usage and better energy efficiency. -
Page 6: General Warnings
Alfa Laval Mini ECO Installation, service and operating instruction General warnings The installation work must be carried out by an authorized installation contractor. Before the system is taken into operation, it must be pressure tested in accordance with relevant regulations. -
Page 7: Operating Instructions
Mini ECO has automatic temperature control for hot water. This measures the temperature of the hot water in the heat exchanger and automatically controls the primary flow. -
Page 8: Product Overview
Alfa Laval Mini ECO Installation, service and operating instruction 3 Product overview Product overview Mini ECO F1 Picture 1 Heat exchanger for heating Connection box for electric power and sensors, heating circuit Control valve, heating circuit Room thermostat/control panel Actuator, heating circuit... -
Page 9: Product Overview Mini Eco F2
Alfa Laval Mini ECO Installation, service and operating instruction Product overview Mini ECO F2 Picture 2 Heat exchanger and temperature controller Cold water outlet (cw) for hot water Control valve for hot water Hot water (hw) Heat exchanger for heating... -
Page 10: Product Overview Mini Eco F3
Alfa Laval Mini ECO Installation, service and operating instruction Product overview Mini ECO F3 Picture 3 Heat exchanger and temperature controller Cold water outlet (cw) for hot water Control valve for hot water Hot water (hw) Heat exchanger for heating... -
Page 11: Product Overview Mini Eco F4
Alfa Laval Mini ECO Installation, service and operating instruction Product overview Mini ECO F4 Picture 4 Heat exchanger and temperature controller Heating circuit, return for hot water Control valve for hot water Heating circuit, supply Heat exchanger for heating Drain valve... -
Page 12: Product Overview Mini Eco F5
Alfa Laval Mini ECO Installation, service and operating instruction Product overview Mini ECO F5 Picture 5 Heat exchanger and temperature controller Hot water (hw) for hot water Control valve for hot water Differential pressure controller Heat exchanger for heating Heating circuit, return... -
Page 13: Installation
Note: Risk of injury lifting heavy objects. Preparation • Mini ECO must be placed on a wall, in upright position. Mount the unit using screws or bolts suitable for the material of the wall and for the weight of the unit. •... -
Page 14: Filling Up The System
Alfa Laval Mini ECO Installation, service and operating instruction Filling up the system • Fill up the system with water by opening the valves on the first fix-jig. The valves must be opened in the correct order in order to avoid pollutions in the system. -
Page 15: Mounting Options
The temperature should be minimum 50°C. Alfa Laval recommends that the primary inlet temperature is at least 10º higher than the tap water temperature. NOTE: Make sure that no cold water is mixed with the hot water while making this adjustment. -
Page 16: Installing The Room Thermostat
Alfa Laval Mini ECO Installation, service and operating instruction 4.11 Installing the room thermostat 1 Removing power supply 2 Placement 3 Removing the dial 4 Removing the thermostat 5a Mounting direct on the wall 5b Mounting in wall socket 7 Mounting the thermostat... -
Page 17: Installing The Outdoor Temperature Sensor
Control mode 2 and 3 requires an outdoor temperature sensor. 4.13 Starting up sequence for Mini ECO with component check The substation must be filled with water before starting the room thermostat, if not the pump can be damage. -
Page 18: Room Thermostat
Installation, service and operating instruction 5 Room thermostat General The room thermostat, in Mini ECO controls the supply temperature to the heating system. First time the room thermostat is started is use default control mode Outside Temperature Control (OTC control). -
Page 19: Control Modes
Alfa Laval Mini ECO Installation, service and operating instruction Control modes The room thermostat has five different control modes to select between; the default mode is Outside Temperature Control (OTC control). 1. Room temperature control RTC Supply setpoint is calculated based on the room temperature setpoint and the actual room temperature. -
Page 20: Otc Control Mode, Default Setting
Alfa Laval Mini ECO Installation, service and operating instruction OTC control mode, default setting Heat curve 10 has been set at the factory. The room thermostat controls the indoor temperature as a function of the measured outside air temperature. The heat curve is the ratio between the measured outside air temperature and the calculated supply water temperature. -
Page 21: Display Symbols
Alfa Laval Mini ECO Installation, service and operating instruction 5.11 Display symbols Picture 10 Control Display will show mode Shows the actual room temperature with one decimal and in 0.5 steps when the room temperature is used. Shows the room temperature setpoint with one decimal and in 0.5 steps when temperature control mode is OTC. -
Page 22: Factory Settings, Room Thermostat
Alfa Laval Mini ECO Installation, service and operating instruction Fault code 0 No fault, power up Fault code 1 Supply sensor failure Cause Measured supply water temperature lies below 0°C or above 100°C Actions Respond with ‘invalid data’ when thermostat asks for supply temperature. -
Page 23: Pump Settings And Pump Performance
When the pump is switched on it runs with the factory pre-setting or the last setting. The Mini ECO pump is pre-set to run with operation mode, proportional pressure mode 2, PP2. Operation mode indicates with LEDs on the pump front. -
Page 24: Pump Curve Proportional Pressure Mode 2, Pp2
Alfa Laval Mini ECO Installation, service and operating instruction Pump curve proportional pressure mode 2, PP2 Picture 12 Line type Description Constant Curve Proportional Pressure Constant Pressure Change pump operating mode The display shows the current operation status. 1) Press the button for more than 2 seconds and the circulator switches to "setting selection". -
Page 25: Fault Finding Pump
Alfa Laval Mini ECO Installation, service and operating instruction Fault finding pump Before starting any work at the pump, switch off the power supply. Make sure that the power supply cannot be switched on accidentally. Be aware that capacitors will be live up to 30 seconds after the power supply has been switched off. -
Page 26: Electrical Connections
Alfa Laval Mini ECO Installation, service and operating instruction 7 Electrical connections Picture 13... -
Page 27: Schematic Diagram, Main Components
Alfa Laval Mini ECO Installation, service and operating instruction 8 Schematic diagram, main components Mini ECO F1 Picture 14 Mini ECO F2 Picture 15... -
Page 28: Mini Eco F3
Alfa Laval Mini ECO Installation, service and operating instruction Mini ECO F3 Picture 16 Mini ECO F4 Picture 17... -
Page 29: Mini Eco F5
Alfa Laval Mini ECO Installation, service and operating instruction Mini ECO F5 Picture 18... -
Page 30: Service Instructions
Alfa Laval Mini ECO Installation, service and operating instruction 9 Service instructions To avoid the risk of scalding, make sure that no-one draws any water while servicing the substation. Grey marked service actions must be carried out by an authorized service technician. -
Page 31: Heating System Service Instructions
Alfa Laval Mini ECO Installation, service and operating instruction Heating system service instructions Hand manoeuvre of the heating actuator The room thermostat must be without current when manoeuvring the actuator by hand. NOTE: if manually adjusting the actuator, the operator control panel must be restarted before use. - Page 32 Alfa Laval Mini ECO Installation, service and operating instruction radiator valves. Reconnect the power supply cable. Check and change to recommended operating Pump runs with incorrect operating mode mode 6.2 Change pump operating mode Let the pump run Air in the pump The pump vents itself over time.
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Page 33: Service Actions For The Installer
The temperature should be minimum 50°C. It takes about 20 seconds to get stable tap water temperature. Picture 19 Alfa Laval recommends that the primary inlet temperature is at least 10º higher than the tap water temperature.. NOTE: Make sure that no cold water is mixed with the hot water while making this adjustment. -
Page 34: Check The Function Of The Valve For Hot Water
Alfa Laval Mini ECO Installation, service and operating instruction 10.3 Check the function of the valve for hot water Service actions must be carried out by an authorized service technician. Check the function of the valve for hot water. Release the actuator from the valve. -
Page 35: Check The Function Of The Heating Actuator And Valve
Alfa Laval Mini ECO Installation, service and operating instruction 10.4 Check the function of the heating actuator and valve Service actions must be carried out by an authorized service technician. Hand manoeuvre of the heating actuator The room thermostat must be without current when manoeuvring the actuator by hand. -
Page 36: Maintenance And Repairs
Alfa Laval Mini ECO Installation, service and operating instruction 11 Maintenance and repairs When carrying out repairs, please contact your local service partner. 11.1 Change the hot water actuator and exchanger Maintenance and repairs must be carried out by an authorized service technician. -
Page 37: Change The Heating Actuator
Alfa Laval Mini ECO Installation, service and operating instruction 11.3 Change the heating actuator Maintenance and repairs must be carried out by an authorized service technician. 1. Disconnect the electrical power supply. 2. Unscrew the heating actuator from the valve. -
Page 38: Change Pump Components Or The Complete Pump
Alfa Laval Mini ECO Installation, service and operating instruction 11.5 Change pump components or the complete pump Maintenance and repairs must be carried out by an authorized service technician. Before starting out repairs always close the primary supply and return shutoff valves and drain the system.. -
Page 39: Change The Differential Pressure Control Valve
Alfa Laval Mini ECO Installation, service and operating instruction 11.8 Change the differential pressure control valve Maintenance and repairs must be carried out by an authorized service technician. Before starting out repairs always close the primary supply and return shutoff valves and drain the system After finishing repair;... -
Page 40: Operating Data And Performance
Alfa Laval Mini ECO Installation, service and operating instruction 12 Operating data and performance 12.1 Operating data Mini ECO Primary side: Primary side Heating Design pressure PS 16 Bar 10 bar 10 Bar Design temperature TS 120°C 90°C 90°C Relief pressure safety-valve... -
Page 41: Technical Data
Alfa Laval Mini ECO Installation, service and operating instruction 12.2 Technical Data Main measures See Measure sketch • 560x240x850 (mm, WxDxH) With cover • 560x220x850 (mm, WxDxH) Without cover Weight 26kg, cover 2kg Electrical data 230 V, 1-phase, 50 W Transportation Total weight 32 kg, 0.2 m³... -
Page 42: Options
Alfa Laval Mini ECO Installation, service and operating instruction 13 Options The mounting instructions are described for a new installation. If the kits are to be installed on an already installed subsystem, release the water pressure and disconnect the electrical power supply before starting. The options must be installed by an authorized installation contractor. -
Page 43: Under Floor Heating Thermostat
Picture 35 13.2.1 Parameters and recommended settings for under floor heating The following changes must be done before starting up Mini ECO with an under floor heating thermostat. 1) Change the pump operating mode to constant pressure. 6.2 Change pump operating mode. -
Page 44: Service Bypass
Alfa Laval Mini ECO Installation, service and operating instruction 13.3 Service bypass The Service bypass makes it possible to flush the pipes Heating Network media, supply and return, when the substation is mounted. 1) Connect the service bypass between connection Heating Network media, supply and return. -
Page 45: Declaration Of Conformity
Alfa Laval Mini ECO Installation, service and operating instruction 14 Declaration of conformity...
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