Astrel Group Power Reducer Manuale di installazione e istruzioni - Pagina 3
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4-noks
Power Reducer
Code
Name
PR
Power Reducer
Read and keep these instructions
General description
The Power Reducer is a control device which, when combined with Elios4you, provides
the facility of producing hot water by maximizing the use of surplus photovoltaic energy
generated on site, without ever drawing power from the grid.
It is suitable for hot water storage tanks / electric immersion heaters rated up to 3.0 kW.
Connected to the Elios4you system by a cable, the Power Reducer will vary the power
consumed by the water heater to take advantage of surplus output produced by the photo-
voltaic system. In this way, it becomes possible to exploit even a few hundred Watts, without
buying energy from the grid.
Minimum requirements
Elios4you
9
Elios4you Smart
9
Elios4you Pro
9
Free "Elios4you" App updated to the latest version available
9
Contents of the pack
1 x Power Reducer
9
Safety warnings
All hardware connections must be made by a person who is suitably qualified and aware of
the risks associated with installation, observing the requisite standards of safety, and with
the equipment isolated from the power supply.
The user accepts all responsibilities and risks connected with the steps of installing, con-
figuring and using products to the end of obtaining the benefits and advantages they afford.
The liability of the Astrel Group in respect of its products is regulated by the Astrel Group
General Conditions of Sale (published on the company's website www.astrelgroup.com).
Do not disassemble, open up or attempt to repair the product. Opening up a sealed compo-
nent has the effect of invalidating the warranty.
Caution
IMPORTANT: The Power Reducer can be connected only to a purely resistive load; it
cannot be used with water heaters having built-in electronic control circuit boards, but must
be connected directly to the heating element and the relative electromechanical thermostat.
Warnings for installation (fig. 3)
WARNING: Use TERMINAL 1 (connector A and B) only to connect the two wires supplying
power to a resistive load. Any other kind of connection (e.g. sharing A or B with L or N) is
likely to cause electrical damage internally, and will invalidate the manufacturer's warranty.
WARNING: install a fuse or thermal magnetic breaker rated 20A to protect the device.
WARNING: Before cutting the cable, ensure that the water heater is not powered up.
WARNING: switch on the Power Reducer only with the cover closed.
4-NOKS is a brand of ASTREL GROUP
ASTREL GROUP SRL
/
Via Isonzo, 21/E
/
34070 Mossa (GO) Italy
/
www.astrelgroup.com
/
www.4-noks.com
Installation and instruction manual
Installation
Prior to installation
1)
Check that the "Elios4you" App installed on the mobile device is communicating
correctly with the Elios4you Smart / Elios4you Pro device
Fixing
2)
Position the Power Reducer in such a way that it will always be properly ventilated.
Install the device vertically (cable glands facing downwards), ensuring a clearance
of at least 7 cm, top and bottom (fig. 2).
3)
Fix the Power Reducer to the wall with Ø 6 mm masonry plugs, using the holes
indicated in fig. 2
Connections
4)
Shut off the electricity supply to the installation site and check that the
water heater / storage tank is not powered up
5)
Make the electrical connections as indicated in the installation diagram (fig. 3 rear)
6)
Refit and secure the protective cover
First power-up
7)
Switch on the Power Reducer
8)
Following power-up, check that the green Led (fig.1) remains permanently alight.
9)
Start the "Elios4you" App to enable the "Power Reducer" function:
A) Menu
System parameters "Peripherals" select "Power Reducer"
> set load parameters (Nominal power of load/heating element)
B) Menu
Preferences Check (9) "Show Power Reducer"and "Show
Power Reducer Detail"
C) For more information:
www.4-noks.com/tutorial
12) When the Power Reducer is connected to the Elios4you system correctly, the
GREEN Led remains permanently alight. The YELLOW and RED Leds indicate
normal operation (see table 1)
Check installation
13) Select Boost mode by pressing the button on the Power Reducer (see fig. 1)
14) Open the "Elios4you" App
15) Verify that the power diverted to the heating element corresponds to that
effectively set via the App.
Indicator LEDs
Button
280 mm
70,5 mm
Fig. 1
16) Press the Power Reducer icon and activate the Timer function
Operation
In use, the response of the Power Reducer depends on the commands received from the
"Elios4you" App
Boost function: forces the connected heating element to switch on at 100% power. Can
be activated:
Pressing the button (fig. 1), the Boost function remains active for one hour, or until
9
the button is pressed again/a new command is received from App.
By way of the App: manually or setting the Timer function
9
(see guided procedure on www.4-noks.com/tutorial)
Timer function
: allows the user to program forced on/off cycles of the resistive load,
irrespective of surplus power from the photovoltaic source.
Response of Leds (table 1)
Led
Status
Meaning
Permanently
Power Reducer active in 0-10V mode for
alight
connection with Elios4you
Green
Power Reducer active in error operating mode
Off
(stand-alone)
Blink
Partial load
Permanently
Yellow
100% load (maximum power consumption)
alight
Off
Load off
Off
Boost function not active
Red
Permanently
Boost function activated by button (load on at
alight
100% for one hour)
1
Ø 6 mm fixing holes
Clearance
7 cm minimum
1
2
3
4
14 cm
Clearance
7 cm minimum
Fig. 2
Operation of button (table 2)
Function
Command
Meaning
Activation of Boost function. In this condition, the
Boost
Press briefly
connected heating element is activated at 100%
load, irrespective of the grid power available.
Power Reducer starts up in a different operating
Press and hold
Change of
mode:
(10 sec.) during
operating mode
/
with Elios4you (1 beep on starting up)
power-up
/
stand-alone (2 beeps on starting up)
+05T407010R2.0 Power Reducer Installation Manual_IT-EN-FR-DE
Astrel Group reserves its rights to make changes or variations to its own products without any prior notice
/
05.12.2016
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