71
PMML0600 rev.0 - 06/2022
6
OPTIONAL UNIT WIRING FOR ACCESSORIES
ELECTRICAL AND CONTROL SETTINGS
Thermostat requirements:
Power supply: 230V AC
Contact voltage: 230V
13 14
13 14
Jumper
Common
Line
Demand ON/OFF Receiver input 2
NOTE
• If wireless intelligent thermostat is selected, optional ON/OFF thermostat has no eect.
• Set the conguration in the user’s control.
• In case of setting an installation with 2 circuits (Circuit 1 and Circuit 2) and a dierent Demand
ON/OFF is used for each of them, please refer to “6.1.2 Input terminals (Default input functions)”
section in this chapter.
• Auxiliary power supply is available for thermostats and central devices (28 and 29 terminals of
TB2).
◆ Unit controller connection
In those cases where the unit controller is ordered as a required accessory, or those cases where
another unit controller must be connected as a second thermostat, the connections between
unit controlelr and the indoor unit must be done in terminals 3 and 4, as it is shown in the next
picture:
3 4
A
B
RCS H-LINK
OK