Input Terminals (Default Input Functions) - Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual

6.1.2 Input terminals (Default input functions)
◆ Room thermostat communication cables
Optional wireless ON/OFF room thermostat
The heat pump system has been designed to allow the connection of a remote ON/OFF thermostat
to effectively control the home temperature. Depending on the room temperature, the thermostat
will turn the system to ON or OFF.
a. If no thermostat is installed
Terminals 13 and 14 are jumped if there is no ON/OFF receiver connected. When no remote
thermostat is installed the operating condition for the unit (Thermo ON/OFF) will be
controlled by the water calculation control system.
b. Installation of the ON/OFF room thermostat
In case of setting an installation with 2 circuits (circuit 1 and circuit 2) and the same demand
ON/OFF is used for both of them, remove the jumper between terminals 13 and 14 of the
Terminal board 2 and connect the RF receiver as shown in the following picture.
Jumper
13 14

NOTE
• If wireless intelligent thermostat is selected, optional ON/OFF thermostat has no effect.
• Set the configuration in the user's control.
• In case of setting an installation with 2 circuits (Circuit 1 and Circuit 2) and a different Demand
ON/OFF is used for each of them, please refer to
section in this chapter.
PMEN0657 rev.0 - 02/2024
13 14
Common
Line
Thermostat requirements:
Power supply: 230V AC
Contact voltage: 230V

"6.1.2 Input terminals (Default input functions)"

Demand ON/OFF Receiver input 2
6
41