43
PMEN0643 rev.0 - 04/2023
6
TERMINALBOARDCONNECTIONS
ELECTRICAL AND CONTROL SETTINGS
6.4.2.3 Input terminals (Default input funcons)
◆ Room thermostat communicaon cables
There are two dierent room thermostat types as accessory
Oponal wireless intelligent room thermostat (TB2) ATW-RTU
Only for wireless room thermostat accessory: the receiver is connected to the polarity‑free
terminals 1 and 2.
The Wireless room thermostat and the Intelligent receiver are already congured to communicate
with each other. If the Wireless room thermostat or the Intelligent receiver is replaced or an
addional second temperature circuit thermostat is added, it is necessary to rebind them as
explained in the manual of the Wireless intelligent room thermostat.
The Intelligent receiver is connected to the indoor unit table board as shown in the next picture:
1 2
1
2
H‑LINK
ATW‑RTU
◆ PC-ARFH2E connecon
In cases where another PC‑ARFH2E must be connected as a second thermostat, the connecons
between PC‑ARFH2E and the indoor unit must be done in terminals 3 and 4 and the connecon of the
power supply in terminals 28‑29, as it is shown in the next picture:
3 4
A B
RCS H‑LINK
(PC‑ARFH2E)
OK