GRE HPM20 Manuel D'instructions page 19

WARNING
- Please always keep the heat pump in a well ventilated place and away from anything which could cause fire.
- Do not braze or weld the pipe if there is refrigerant inside machine. Please do not charge the gas when in a
confined space.
- Please always empty the water in heat pump during winter time or when the ambient temperature drops
below 0℃, or else the Titanium exchanger will be damaged because of being frozen, in such case, your
warranty will be lost.
- Please always cut the power supply if you want to open the cabinet to reach inside the heat pump.
- Please well keep the display controller in a dry area to protect the display controller from being damaged
by humidity.
- Action of filling gas must be conducted by professional with R32 operating license.
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