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GMV6 HR DC Inverter VRF Units Service Manual
④ Please ensure that the antifreeze is used in accordance with local laws and regulations.
⑤ Antifreeze may be toxic and it is strictly forbidden to mix with domestic water.
⑥ If this hydro box is only used for making hot water, the anti-freeze liquid should be added only
when the water-in temperature is less than 5℃.
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