Electrolux UNIC AURA User manual

July 2021

https://www.unic-usa.com/en_US/service-center/technical-center

Installation
Start-up
Operation
Cleaning
Programming
Topics:

Simple Heat Exchanger
boiler from our Mira
Design appearance
from our Stella
Solid State internal
electronic controls
Easy to Use/Program touchpads
developed from Pony
Aura Features

Installation

Water
Warranty for scale problems not valid
unless water treatment installed
Power
220Volts 30 Amps
Suitable drain must be within
6’ of machine
Avoid loops or dips in drain line
Drain Line
6’ reinforced drain line
shipped attached to machine
Suitable cord cap must be
supplied by customer
L6-30 Recommended
Installation

Install Legs
Install Allen screw with the
socket facing down.
Easier to remove in the future!

Water Line
Attached Line with
Fiber Washer
Remove Right Side

Start-up

Switch
ON
Flashing: FL
ON
no heat
OFF
3.99 G1 FL
---
Startup Sequence:
Group Assignment Fill ConfirmationSoftware Version
Ready

Switch ON
ON
no heat
OFF
fl
Flashing: FL
Empty Boiler

Fill Boiler
Flashing: FL
ON
no heat
OFF
fl
Boiler Filling:
Autofill Valve Opens

Fill Boiler
Flashing: FL
ON
no heat
OFF
fl
Boiler Filling:
Autofill Valve Open
Fills to Probe Level

Fill Boiler
Flashing: FL
ON
no heat
OFF
fl
Boiler Filling:
Autofill Valve Open
Fills to Probe Level
Pump Runs during Filling

Test Filling Cycle: Activate fill
by disconnecting probe
Fill Boiler
AutoFill Valve Adjustment:
3 turns out for best operation

After 3 minutes without
completely filling
May have to cycle ON OFF to re-start:
1. Machine with empty boiler
2. Low water pressure
3. 3 group machine with large boiler
Filling Time Out Message
to
ON
no heat
OFF

to
ON
no heat
OFF
Briefly Flashes FL
Full Boiler Verification
Starting with a Full Boiler:
The screen will briefly flash FL after the
startup sequence to verify the Boiler is full
fl

Once the Boiler is full the
power switch can be turned to
the Heating position
Start Heating
---
Dashes cycle during heating
Dashes also cycle in switch pos 1
When the boiler is full
ON
no heat
ON Heating
OFF

Check for power to all 3
elements with an ammeter
Boiler should start
getting warm Steam Pressure
starts to climb
Start Heating
Elements 1 & 2
Both on SSR 1
Element 3
SSR 2
ON Heating

•Gauge shows pressure
•Boiler cold
•Air Pressure caused by
rapid filling
Open Steam valve to vent air
Whoosh!!!!
-----Trapped Air------
False Pressure
Open Steam Valve
Shows up to 3 bar!