Kaysun KPC-52 DR13 - Page 7

Safety
Precautions
WARNING for Using R-32 Refrigerant
When ammable refrigerant are employed, appliance shall be stored in a well -ventilated area
where the room size corresponds to the room area as specifiec for operation.
For R-32 frigerant models:
Appliance shall be installed, operated and stored in a room with a oor area larger than X m² .
Appliance shall not be installed in an unvertilated space, if that space is smaller than X m²
(Please see the following form) .
Reusable mechanical connectors and ared joints are not allowed indoors.
(EN Standard Requirements).
Mechanical connectors used indoors shall have a rate of not more than 3g/year at 25%
of the maximum allowable pressure. When mechanical connectors are reused indoors,
sealing parts shall be renewed. When ared joints are reused indoors, the are part
shall be re-fabricated. (UL Standard Requirements)
When mechanical connectors are reused indoors, sealing parts shall be renewed. When
ared joints are reused indoors, the are part shall be re-fabricated.
(IEC Standard Requirements)
Mechanical connectors used indoors shall comply with ISO 14903.

Page 7

Amount of refrigerant
to be charged (kg)
maximum installation
height (m)
Minimum room
area (m²)
< 2.048 1.8m 4
< 2.048 0.6m 35
2.048-3.0 1.8m 8
2.048-3.0 0.6m 80
>3.0 1.8m 9
>3.0
Model
(Btu/h)
< 30000
< 30000
30000-48000
30000-48000
>48000
>48000 0.6m 80