Hitachi YUTAKI M R32 Series Installation & Operation Manual page 71

Jumper
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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.
• 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:
PMML0600 rev.0 - 06/2022
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Common
Line
Thermostat requirements:
Power supply: 230V AC
Contact voltage: 230V
"6.1.2 Input terminals (Default input functions)"
3 4
A
B
OK
RCS H-LINK
Demand ON/OFF Receiver input 2
6
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