■ Refrigerant pipe installation
1. Examples of the correct refrigerant pipe installation for Heat Recovery
For serial installation
For parallel installation
1)* Direct-connected indoor unit without HR Changer/MCU (for HR only)
- This indoor unit can only be used for cooling operation. (Heating operation is not possible.)
- Connect indoor unit to liquid and low pressure gas pipe.
- Change the installation option for direct-connected indoor unit without HR Changer/MCU.
(refer to the indoor unit installation manual)
- Be sure to combine the cooling only indoor units so that their total capacity becomes 50% or less of the total
capacity of all indoor units.
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