AGEON A108 Quick Start Manual

A108

Product description

A108 is a differential temperature controller for
standard solar thermal systems. The on/off control of
the water pump is done by the temperature differ-
ence between the collector and the reservoir, and the
maximum reservoir set temperature.

Technical characteristics

Supply voltage 110 or 220 Vac, 50-60Hz
Maximum power 4 VA
Pump relay output 10 A / 250 Vac
Measure range -20 to +105 °C
0 to 40 °C and 10 to 80 %RH
Operating conditions
(no condensation)
Recommended
70 x 29 mm
Panel cutout
Front panel protection IP 65
NTC sensor Ø6 mm, L=15 mm
(IP68) Cable length 1,5 m
Display
A108
Digital temperature controller

Installation guide

Display icons

Icon Description
- Off during normal operation.
- On if the controller is in ther-
mometer or Stand-by mode.
- On when using the program-
ming key;
- Blinks while exchanging data
with ArcSys.
- On when the circulation
pump is on.
- Off when the circulation
pump is deactivated.
- Blinks during power-up delay
or when the pump is started
in manual mode.
- On if the information shown
on the display is a tempera-
ture in degrees Celsius.

Key functions

Key Description
- Used to increment values;
- If pressed together with the
"down" key for 4 seconds,
the user will access or exit
the parameters table;
- If pressed on the main
screen, the display will show
Up
which protection function is
working on the pump.
- Function defined according
to the value set in parameter
"FP":
0 – Key disabled
1 – Turn on/off the standby
mode
On/Off
2 – Turns on/off the display.
- Used to decrement values.
- If pressed together with the
"up" key for 4 seconds, the
controller will enter or exit
the parameters table.
- If pressed on the main
screen, displays the system
Down
temperatures, t1 (collector),
t2 (reservoir), and dd (t1-t2)).
- If pressed on the main
screen for 2 seconds, the
controller will manually acti-
vate the pump and it will be
activated during the time set
in P8
- If pressed when Cd = 97, it
will reset all parameters to
the factory default values.
- Used to show the Setpoint
on the main screen and the
values in the parameters ta-
ble.
- Together with the "up" and
"down" keys, it adjusts val-
ues, whether of the Setpoint
or parameters.
- If pressed on the main
screen, the display will show
the highest and lowest tem-
perature values registered
(tH and tL). If pressed again,
tH and tL are reset.
- If pressed while in the pa-
rameters table, the firmware
version will display.

Dimensions (mm)

authorised skilled personnel.
electrical works.
system installer or qualified personnel named by the
system installer.
connections are correct.
the operating range (0 to 40 °C for the controller and
-50 to 100 °C for the NTC sensors), this could lead to
irreversible damage.
Vx.x.5
Rev. 03

Fixing

Recommendations and warnings

These instructions are exclusively addressed to
Only qualified electricians are allowed to carry out
Initial commissioning must be effected by the
Before powering up the device make sure all
Never expose the product at temperature outside