RHOSS ELECTA-ECO THAITI 106 Instrucciones De Uso página 38

The support is compatible with the three-module recessed boxes
(Bticino 503E type).
Electrical connection
The supplied cable with connectors must be used on both sides. It is
15m long.
Remove the roof of the unit and the cover of the electrical panel and
identify the AP1 electronic board.
Comply with the following wiring diagram:
Probe features: NTC 15KΩ at 25°C ±3% -30°C/+105°C.
 2-way valve
The 2-way valve allows a part of the system to be excluded. Refer to
the system diagrams in this manual.
The 2-way valve control is always enabled – refer to the control panel
manual to define the control logic.
The 2-way valve is not supplied with the unit.
A normally open (NO) or normally closed (NC) 2-way two-wire valve
can be used.
A 2-way 3-wire SPDT valve can also be used.
The valve must be suitable for 230V 50Hz supply.
2-way valve connection normally open NO (2-wire):
2-way valve connection normally closed NC (2-wire):
2-way SPDT valve connection (3 points):
 3-way diverter valve
The 3-way valve is required when there is a domestic hot water tank. It
diverts the water flow to the heating/cooling circuit (Heat/Cool) or to the
domestic hot water circuit (DHW). The 3-way valve control is always
enabled – refer to the control panel manual to define the control logic.
The 3-way valve is not supplied with the unit. A 3-way valve with three
points (SPDT) must also be used. The valve must be suitable for 230V
50Hz supply. The following electric connection is used:
Valve energised by 10-11 => water flow diverted to the DHW tank
Valve energised by 9-11 => water flow diverted to the system
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ELECTA-ECO