Fondital FORMENTERA KC 24, Инструкция по эксплуатации

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AST 14 C 257/00
PROVISION FOR OPENTHERM REMOTE CONTROL
The control board is provided with an internal interface that allows the connection of an
OpenTherm protocol-based remote control. Besides serving as an ambient thermostat for
its zone, it is used for setting some of main boiler parameters. The remote control must be
connected to the board using two non-polarised wires, and when the connection is
completed, the word “Con” is displayed on the boiler LCD. Instead of the remote control,
you can use an ambient thermostat connection (clean contact). When the contact is
closed for more than 10 seconds, a heating request is generated for the remote control
area. It finishes when the contact remains open for more than one second. When the
remote control is not connected and/or does not communicate, all settings are made from
boiler. Communication between the board and remote control takes place in any operating
mode: DHW, DHW+HEATING, HEATING or STANDBY.
If communication fails, continuous attempts will be made for 1 minutes to restore it, after
which the board will resume operation in local mode until connection is restored. If this
happens, the system temporarily ignores all heating requests generated by a possible
OpenTherm contact. When the connection is active, the remote control takes priority over
the boiler switch, and it totally enables/disables DHW and CH functions.
The remote control can request from the boiler and display the flow DHW and external
probe temperatures, the DHW and heating temperature settings, the current modulation
level, and the error code. It can also display the different operating statuses (DHW,
heating, flame ignition, fault presence or shutdown) and it can reset the boiler after a
shutdown for a limited number of times and period (max 3 times in 24 hours).
Important. The remote control only allows access to the first 29 parameters.
PROGRAMMABLE MULTIFUNCTION RELAY
The boiler is equipped with a multifunction relay (230V AC, 10A cos
ϕ
1) that can be
associated with another function by programming parameter P17:
•
P17=0 Alarm reference
The relay is energised with each shutdown or fault
Electrical connections:
REMOTE CONTROL AMBIENT THERMOSTAT
ALARM
21 22 23
21 22 23