21
5 - ELECTRICAL CONNECTIONS
BT3
outside air temperature probe( ductable unit)
SA1
remote ON-OFF
SA2
remote summer - winter
SA3
remote second set
SA4
domestic hot water request
HL1
unit shut-down signal
HL2
unit operating signal
Power supply :
A
Delayed fuses power supplì protection
( see the wiring diagram)
5.9 REMOTE SUMMER - WINTER: SA2
The Summer-Winter operating mode can be chosen by
remote selector .
To enable the selector mode change, set the par 21
RemMode = 0* ; the mode can no more be chosen by keypad
because the corresponding button is disabled.
To allow the change by keypad or supervisor par 21
RemMode = 1* (standard configuration).
5.10 REMOTE SECOND SET : SA3
The second setpoint is used to reduce the energy
consumptions (ex. by night or during the absence periods).
It can be enabled both by remote and by keypad ; it is not
necessary to set any parameter .
The value of the second set can be modified by parameters
45 and 46.
5.11 COMPRESSOR DISABLING : EDS
It is possible to disable the compressor by a remote contact .
For example if the double power supply is available (line at
low cost, reduced line at constant power supply,
normal tariff) the compressor can ne enabled only in the time
bands with a reduced tariff.
In the time bands with a normal tariff, the heating is produced
by the integrative heaters .
*
Parameters accessible through the installer password 115).
The access by pwd is reserved to qualified personnel;
The parameters changes may cause malfunctions.
(1)
OFF= domestic hot water not enabled
5.8 REMOTE ON/OFF: SA1
It allows to activate the unit from a remote control.
Configuration paramenters *
Par.24 Booster-Pumpe
= 0 not present
= 1 on call by HID-H1 set as room chronothermostat
= 2 in function of BT6 storage temperature
Par.25 configure remote input
= 1 ON / OFF
(1)
= 0 thermal request from ambient
XC2
