AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL For authorized personnel only. INSTALLATIONSANLEITUNG Nur für autorisiertes Personal. MANUEL D'INSTALLATION Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN Solo para personal autorizado. MANUALE D'INSTALLAZIONE Ad uso esclusivo del personale autorizzato. ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ Για εξουσιοδοτημένο προσωπικό σέρβις. MANUAL DE INSTALAÇÃO Apenas para técnicos autorizados.
INSTALLATION MANUAL Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit. PART NO. 9379342070-02 Use a clean gauge manifold and charging hose for R410A exclusively. Contents During the pump-down operation, make sure that the compressor is turned off before SAFETY PRECAUTIONS ………………………………………………………………...
2. 4. 1. CONNECTABLE INDOOR UNIT CAPACITY TYPE 2. 2. Special tools for R410A CAUTION Contents of change Tool name The total capacity of the indoor units connected must be between 14,000 and 24,000BTU. Pressure is high and cannot be measured with a conventional gauge.
INSTALLATION WORK Please obtain the approval of the customer when selecting the location of installation and installing the unit. 3. 1. Selecting an installation location WARNING Securely install the outdoor unit at a location that can withstand the weight of the unit. Otherwise, the outdoor unit may fall and cause injury.
3. 3. 1. Single outdoor unit installation 3. 2. Drain installation • When there are obstacles at the back side. (Unit : mm) CAUTION Perform drain work in accordance with this Manual, and ensure that the drain water is properly drained. If the drain work is not carried out correctly, water may drip down from the unit, wetting the furniture.
3. 4. Transportation of the unit PIPE INSTALLATION I WARNING 4. 1. Flare connection (pipe connection) Do not touch the ﬁ ns. Otherwise, personal injury could result. CAUTION Do not use mineral oil on a ﬂ ared part. Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.
Detach the caps and plugs from the pipes. WARNING Center the pipe against the port on the outdoor unit, and then turn the ﬂ are nut by hand. Be sure to install a breaker of the speciﬁ ed capacity. When selecting breaker, please comply with the laws and the regulations of each country.
5. 3. Unit wiring • When stripping off the coating of a lead wire, always use a special tool such as a wire Power cable stripper. If there is no special tool available, carefully strip the coating with a knife etc. Connection cable 20 mm Power cable or...
Check that the compound pressure gauge reads -0.1 MPa (76 cmHg), operate the CAUTION vacuum pump for 30 minutes or more in each valve. (10) At the end of pump down, close the valve of the gauge manifold fully and stop the vacuum pump.