MANUAL R410A Split Series Installation manual English R410A Split series Installationsanleitung Deutsch Split-Baureihe R410A Manuel d’installation Français Série split R410A Models Montagehandleiding RXS50K2V1B ARXS50G3V1B Nederlands R410A Split-systeem RXS60F4V1B RXS50L2V1B Manual de instalación RXG50K3V1B RXS60L2V1B Español Serie Split R410A RX50G3V1B RX60G4V1B...
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..Failure to observe these instructions properly may result in property damage or personal injury, which may be serious depending on the circumstances.
• 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.
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...
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.
Purging air and checking gas leakage • When piping work is completed, it is necessary to purge the air and check for gas leakage. WARNING • Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle. •...
Outdoor Unit Installation 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. 2) Carry out forced cooling operation. Hexagonal wrench 3) After 5 to 10 minutes, close the liquid stop valve with a hexagonal wrench.
Facility Setting (cooling at low outdoor temperature) This function is designed for facilities such as equipment or computer rooms. It is never to be used in a residence or office where people occupy the space. Cutting jumper 6 (J6) on the circuit board will expand the operation range down to –10°C. However it will stop if the outdoor temperature drops below –18°C and start back up once the temperature rises again.
Page 14
Service lid Power supply terminal block Shape wires so that the service lid and stop valve cover fit securely. Screw Observe the notes mentioned below when wiring to the power supply terminal block. Precautions to be taken for power supply wiring. CAUTION •...
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. For heat pump •...