Panasonic CS-KS18NB4UW & CZ-18BT1U + CU-KS18NKU, Technical & Service Manual

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the flare and union tubes before connecting them, then
tighten the nut with a torque wrench for a leak-free
connection.
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or re-installation, and while repairing refrigeration parts.
Handle liquid refrigerant carefully as it may cause frost-
bite.
When Servicing
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before opening the unit to check or repair electrical
parts and wiring.
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parts.
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that no metal scraps or bits of wiring have been left inside
the unit being serviced.
Others
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the refrigeration system. Escaped refrigerant gas, on
contact with fire or heat, can produce dangerously
toxic gas.
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gas is leaking. If escaped gas comes in contact with a
stove, gas water heater, electric room heater or other heat
source, it can produce dangerously toxic gas.
CAUTION
The illustrations are based on the typical appearance of
a standard model. Consequently, the shape may differ
from that of the air conditioner that you are installing.
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