Page 1
Manual de instalación RXS20L2V1B Español Serie Split R410A RXS25L2V1B Manuale d’installazione RXS35L2V1B Italiano Serie Multiambienti R410A ARXS25L2V1B ARXS35L2V1B Εγχειρίδιο εγκατάστασης Ελληνικά ∆ιαιρούμενης σειράς R410A Manual de Instalação Portugues Série split R410A Руководство по монтажу Русский Серия R410A с раздельной установкой...
Safety Precautions • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding safety. Be sure to observe all precautions without fail. • Meaning of WARNING and CAUTION notices WARNING ..Failure to follow these instructions properly may result in personal injury or loss of life. CAUTION ..
• Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals. Small animals making contact with electrical parts can cause malfunctions, smoke or fire. Please instruct the customer to keep the area around the unit clean.
Outdoor Unit Installation Drawings Max. allowable piping length Min. allowable piping length 1.5m Max. allowable piping height Wrap the insulation pipe with Additional refrigerant the finishing tape from bottom required for refrigerant pipe 20g/m to top. exceeding 10m in length. Gas pipe O.D.
Installation Guidelines • Where a wall or other obstacle is in the path of outdoor unit’s inlet or outlet airflow, follow the installation guidelines below. • For any of the following installation patterns, the wall height on the outlet side should be 1200mm or less. Wall facing one side Wall facing two sides More than 100...
Page 8
Outdoor Unit Installation Flaring the pipe end 1) Cut the pipe end with a pipe cutter. (Cut exactly at right angles.) Remove burrs. 2) Remove burrs with the cut surface facing downward so that the chips do not enter the pipe. Flaring Set exactly at the position shown below.
Page 9
4-1 Cautions on pipe handling Wall Be sure to 1) Protect the open end of the pipe against dust and moisture. place a cap. 2) All pipe bends should be as gentle as possible. Use a pipe bender Rain If no flare cap is for bending.
Page 10
Outdoor Unit Installation Evacuating the air with a vacuum pump and checking gas leakage WARNING • Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle. • When refrigerant gas leaks occur, ventilate the room as soon and as much as possible. •...
Refilling the refrigerant Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the gas pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation. 1) Before filling, check whether the cylinder has a siphon attached or not.
Pump Down Operation In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 1) Remove the valve cap from liquid stop valve and gas stop valve. Hexagonal wrench Liquid 2) Carry out forced cooling operation. stop valve Close 3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.
Page 13
Wiring WARNING • Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating, electrical shock, or fire. • Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the terminal block.) Doing so may cause electric shock or fire.
Page 14
Wiring diagram Terminal strip Field wiring Connector Relay connector Connection Terminal Black Orange Blue Brown White Green Yellow Notes Refer to the nameplate of the unit for power requirements. TO INDOOR UNIT To indoor unit POWER SUPPLY Power supply IN CASE OF COOLING ONLY TYPE In case of cooling only type OUTDOOR Outdoor...
Trial Operation and Testing Trial operation and testing 1-1 Measure the supply voltage and make sure that it falls in the specified range. 1-2 Trial operation should be carried out in either cooling or heating mode. • In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature.
Need help?
Do you have a question about the ARXS35L2V1B and is the answer not in the manual?
Questions and answers