Ferroli BLUEHELIX TECH RRT 28 C Instrucciones De Uso, Instalación Y Mantenimiento página 165

BLUEHELIX TECH RRT 28 C
Accessing the electrical terminal block and fuse
Remove the front panel ( *** 'Opening the front panel' on page 185 ***) to access the terminal block (M) and fuse (F) by
proceeding as follows (fig. 19 and fig. 20). The terminals indicated in fig. 20 must be with voltage-free contacts
(not 230V). The arrangement of the terminals for the various connections is also given in the wiring diagram in fig. 62.
fig. 19
Variable output relay LC32 card (optional)
The variable output relay LC32 consists of a small card with a changeover of free contacts (closed means contact be-
tween C and NO). Operation is managed by the software.
For installation, carefully follow the instructions provided in the kit package and on the wiring diagram of fig. 62.
To use the desired function, refer to the table 2.
Table. 2- Settings LC32
Parameter b07 Function LC32
0 Manages a secondary gas valve (default)
1 Use as an alarm output (warning light comes on)
2 Manages a water loading valve
Manages a solar 3-way valve
3
Manages a Legionella pump (only with b01=2)
4 Manages a second heating pump
5 Use as an alarm output (warning light goes off)
6 Indicates ignition of the burner
7 Manages the trap heater
EN
M
F
Action LC32
The contacts are closed when the gas valve (in the boiler) is pow-
ered
The contacts are closed when there is an error condition (generic)
The contacts are closed until the water pressure in the heating cir-
cuit is restored to the normal level (after manual or automatic top-
ping up)
The contacts are closed when the DHW mode is active
The contacts are closed when the Legionella protection is running
The contacts are closed when the heating mode is active
The contacts are opened when there is an error condition (generic)
The contacts are closed when the flame is present
The contacts are closed when the frost protection mode is active
cod. 3541N260 - Rev. 04 - 04/2018
139
A
138
72
L N
1 2 3 4 5 6 7 8
fig. 20
9
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