Embedding The Tubing And Wiring - Panasonic CS-ME7NKE Manual Técnico Y De Servicio

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install the indoor unit more than 1 meter away from any
antenna or power lines or connecting wires used for
television, radio, telephone, security system, or inter-
com. Electrical noise from any of these sources
may affect operation.
install in a sturdy manner to avoid increased operat-
ing noise.
Table 3
Max. Allowable
Tubing Length
Model
per unit
(m)
* If total tubing length becomes 45 to 80 m (max.), charge additional refrigerant (R410A) by 20 g/m.
No additional charge of compressor oil is necessary.

2-2. Embedding the Tubing and Wiring

Before beginning embedding installation work,
consult fully with agencies or offices related to the
building's foundation, construction, electricity, and
water.
Wait to make connections to the embedded portion.
Each connection step is described later in this
manual.
Securely cover the end of the embedded tubing to
prevent intrusion of dirt or moisture.
If an embedded tube is to be left for a long time, fill
the tube with nitrogen and seal both ends securely.
If a tube is left open for an extended time, moisture
in the air inside the tubing may condense into water
droplets, and lead to water contamination of the
refrigerant circuit.
In order to prevent insulation breakdown and ground
faults, do not allow wiring ends to come in contact
with rainwater, or be subjected to condensation or
dew.
Apply sufficient thermal insulation to the refrigerant
tubing and drain pipes.
All manuals and user guides at all-guides.com
Max. Allowable Total
Tubing Length
Total Tubing Length
at shipment
(L1+L2+L3+L4+L5)
(L1+L2+L3+L4+L5)
(m)
6
Limit of
Limit of Elevation
Difference
(H1, H2, H3, H4, H5)
(m)
(m)
Required Amount
of Additional
Refrigerant
*
(g/m)

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