Watts WFHC 06Z 02 HC RF 24 User Manual page 6

4. INPUTS / OUTPUTS
4.1 Power Supply
WFHC 06Z 02 HC RF 230
WFHC 10Z 02 HC RF 230
4.2 Heating/cooling Input
Purpose:
This input allows switching the regulation mode for the
system: Heating or cooling.
Source of the signal:
A mechanical switch
•
• The Heat Pump
• A BT-WR02 paired on the BT-CT02 central
unit as an ON/OFF device. This solution
allows getting a remote control of the H&C
mode from the application.
Format of the signal:
The input could be free contact or live contact 230V.
Mode Free contact
Heating Opened
Cooling Closed
Only one device is the system should be able to select the
H&C mode. Other possible H&C switch signal source (See
3.3)
Central unit
•
WFC HCM RF which embeds an H&C input
•
Digital thermostat configured as a Master H&C
•
thermostat in manual or automatic mode.
Require to use transformer supplied by Watts (4 cables):
WAT TRF02 230/24
Live contact
No signal
230Vac
6
WFHC 06Z 02 HC RF 24
WFHC 10Z 02 HC RF 24