Gree Versati III GRS-CQ8.0Pd/NhH-M Owner's Manual page 16

Air-to-water Heat Pump Split Versati
CASE 2: Connecting Sanitary Water Tank and Under-floor Coil
Notes
(a) The two-way valve is very important to prevent dew condensation on the floor while cooling mode
(b) In this case, three-way valve should be installed and should be complied with installation of this manual;
(c) Anitary water tank should be equipped with internal electric heater to secure enough heat energy in the
very cold days.
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SPLIT TYPE