DESCRIPTION
First of all we would like to thank you for your purchase and we hope that the Allegro 576 meets the needs of
your installation.
The Allegro 576 is a thermal solar energy regulator with six 5A 250V~ relay outputs and seven PT1000 probe
inputs (three 1.5 metre probes are included, each with a range of -50 ºC to +200 ºC), in addition to a pulse input.
The relays are potential-free contacts, which means that they only act as switches and the devices connected to
the relay need to be powered.
When programming the Allegro 576 you will find different predefined installation systems that will help you to
quickly and easily configure your installation. Depending on the system you have chosen, you may activate
additional functions, such as unit heater, independent thermostat, return increase, double pump, anti-frost,
calorimeter and tubular sensors, provided that the resources (relays) required for the functions are not being
used by the system chosen to configure your installation.
Assembly on DIN rail
TECHNICAL SPECIFICATIONS
DIMENSIONS
R 1
(230 Vac)
N
L
105
90
Input power
Outputs
Inputs
Wiring
Environment
Operation
Tests
230 Vac +10% -15% 50/60 Hz max. 2 VA.
6 SPDT relays max. 250 V~, 5 A. Potential-free contacts (acting as switches).
7 PT1000 probes / Range: -50 ºC to +200 ºC + 1 calorimeter (pulses)
.
Min. power section = 0.75 mm² / Min. relay section = 1.5 mm² / Max. section = 2.5 mm² / Type = H05v-k.
Temperature = 0º C to 40 ºC / Humidity = 20% to 85% / Pollution = 2.
Software class A; Action type 1.B.
Assigned pulse voltage: 2500 V.
Temperatures for high-pressure ball valve:
100ºC (
parts supporting voltage conductors
).
75ºC (accessible plastic parts).
W
843 922 1000 1078 1155 1232 1309 1385 1461 1536 1611 1685 1758
ºC -40 -20 0 +20 +40 +60 +80 +100 +120 +140 +160 +180 +200
26
22
10
58
14
14
45
62
ESC
OK
Allegro
576
Sonder
S
E
T
%
R 2
R 3
R 4
R 5
R 6
Probe1
Probe2
Probe3
Probe4
Probe5
Probe6
Probe7
Cal. / GND
INSTALLATION AND CONNECTION
6
Operation of the priorities
When an accumulator is below its priority temperature, it is charged
exclusively until it reaches the temperature. If another accumulator
falls below its priority temperature while the former is charging, both
become priority and are both charged at once until one of them
reaches its minimum temperature.
In winter
If the temperatures of AC1 and AC2 are below 65 and 40,
the installation heats them both at once. When AC2
reaches 40, only AC1 is heated until it reaches 65. Once it
reaches this temperature there are no other accumulators
in priority mode and it heats all three accumulators until
they reach 70, 45 and 35, respectively.
If one of them falls below its priority temperature, its priority
is activated again and only the one below its priority value
is heated.
In the case of excess heat: When AC1 has reached 70 and
AC has reached 45, the swimming pool is heated to
dissipate the excess heat instead of accumulating it in the
collectors, thus preventing the installation from
overheating.
Example with system 6.2
Accumulator priority ºC
AC 1
AC 2 AC 3
65
40 5
H. W.
U. H. Swimming
pool
In summer
Tank alarm ºC
AL 1
AL 2
AL 3
70
45
35
Since the underfloor heating does not need to be activated
during the summer, its priority can be set to 5 ºC and its
alarm to 5 ºC to deactivate it, and AC3 can be set to 5 ºC
with its alarm to 35 ºC so it is not priority. The system then
heats AC1 until it reaches 65 ºC, and once it reaches this
temperature it heats AC1 and AC3 at the same time until
they reach their alarm temperature, at which point the
system stops charging the accumulators.
T3
T4
T2
T1
R3
R2
R1
AC3
AC2
AC1
Accumulator priority ºC
AC 1
AC 2 AC 3
65
5
5
Tank alarm ºC
AL 1
AL 2
AL 3
70
5
35
31
SETTINGS
Sequential priority OFF
When accumulator number 1 is below its priority temperature, it is
charged exclusively until it reaches its priority temperature. If
number 2 falls below its priority temperature while number 1 is
charging, it cannot be charged until accumulator 1 reaches its
minimum temperature (priority temperature).
Sequential priority ON
Example of operation
Sequential priority OFF
Sequential priority ON
If the temperatures of AC1 and AC2 are below 65 and 40,
the installation
only
heats AC1 (numerical order) until it
reaches 65 ºC. Once it has reached this temperature it is
no longer priority and the system then exclusively heats
accumulator 2 until it reaches 40. As there are no other
priority accumulators, the two accumulators are heated at
once until their temperature alarms are triggered.
Since the underfloor heating does not need to be activated
during the summer, its priority can be set to 5 ºC and its
alarm to 5 ºC to deactivate it, and AC3 can be set to 28 ºC
with its alarm to 35 ºC. The system then heats AC1 until it
reaches 65 ºC, and once it reaches this temperature it
heats AC3 until it reaches 28 ºC, then it charges AC1 and
AC3 at the same time. If AC1 falls below 65 ºC while AC3 is
charging, the system stops charging AC3 so it can charge
AC1 until it reaches 65 ºC.
H. W.
U. H. Swimming
pool
MENU
When a system uses several accumulators (tanks, heating, swimming pools, etc.) it can set a priority for charging them
(accumulator priority setting on page 28). Their minimum temperature is configured and these temperatures are classified as
priority and non-priority when charging. The tanks with the lower temperatures are given priority until they reach the
temperature when they become non-priority.
When the sequential priority parameter is activated, it assigns the charge order in accordance with the numerical order and the
temperatures.
The numerical order assigned to the accumulators is the numerical order of the relays.
Accumulator priority ºC
AC 1
AC 2 AC 3
65
5
28
Tank alarm ºC
AL 1
AL 2
AL 3
70
5
35
H. W.
U. H. Swimming
pool
Содержание Allegro 576 BOX
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