Panasonic CS-F34DB4E5 Service Manual page 49

Wiring shall be connected securely using specified cables and
fix them securely so that external force of the cables may not
transfer to the terminal connection section.
Imperfect connection and fixing leads to fire, etc.
Carry out Earthing work.
Do not connect the Earth return to the gas pipe,
water line pipe, lightning rod and telephone lines.
Imperfection in Earth return may lead to electric
shock.
Do not install the unit at the place where the possibility of
inflammable gas leakage exists. If such gas leakages should arise
and the gas builds up around the unit, such situation may lead to
ignition.
Mounting of the earth leakage circuit breaker is required.
Omission in mounting of the earth leakage circuit breaker may
lead to electric shock.
10.5.1. Accessories supplied with outdoor unit
• • • • The following parts are supplied as accessories with each outdoor unit.
Check that all accessory parts are present before installing the outdoor unit.
Part name Q'ty Diagram
Protective 2
bushing
Banding 3
strap
10.5.2. Before installation work
• • • • This product is using new refrigeration (R410A). The basic way of installation work is the same as usual, but water and
impurities should be controlled more strictly than before due to characteristic of refrigerating machine oil. Therefore, selection
of materials to use and processing, storing and brazing need appropriate construction and control.
1. Tools and materials
There are tools and materials for both new refrigeration and usual refrigeration you can use together and for either two of
them you can use. Use the below for new refrigeration.
− − − − Vacuum pump (with back flow preventor system)
− − − − Gas leakage detection warning decive
− − − − Gauge manifold
− − − − Charge hose
2. Installation work
a. Brazing work
Brazing work needs replacing air inside pipe with nitrogen gas in order to prevent oxidization scale from occurring. This
is called nitrogen replacement, and one of very important work in brazing refrigerant piping. (Oxidation preventive is not
possible to use)
Warnings
Cautions
Application
For protecting electrical
wires
For tying electrical wires
together
49
CS-F34DB4E5 CU-L34DBE5 / CS-F43DB4E5 CU-L43DBE5
Drain piping should be made to ensure secure drainage
according to the manual for installation work and carry out the
thermal insulation to prevent the occurrence of condensation.
Imperfection in piping work leads to water leakage and may
cause the house and property, etc. to become wet
Position the indoor unit and outdoor unit, power cords and
indoor/outdoor unit connection cables in a way so that they are
at least 1 meter away from televisions and radios.
This is to avoid problem such as interference with picture and/or
sound. (However, note that depending on the electromagnetic
wave conditions, interference may still occur even if the
separation distance is more than 1 meter.)
Heat pump-types only
Part name Q'ty Diagram
Drain elbow AS 1
Application
For connecting the drain
pipe (with ring seat)