Safety Precautions Read the precautions in this manual This appliance is filled with R32. carefully before operating the unit. • 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. •...
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- name, address and day & night telephone numbers for obtaining service. In Europe, EN378 provides the necessary guidance for this logbook. • Only use accessories, optional equipment and spare parts made or approved by DAIKIN. Accessories Accessories supplied with the outdoor unit:...
Operation limits Use the system in the following temperature and humidity ranges for safe and effective operation. Cooling Heating Outdoor temperature –10~46°C –15~24°C Indoor temperature 18~32°C 10~30°C Indoor humidity ≤80% To avoid condensation and water dripping out of the unit. If the temperature or the humidity is beyond these conditions, safety devices may be put in action and the air conditioner may not operate.
Outdoor Unit Installation Drawings Max. allowable piping length Min. allowable piping length Max. allowable piping height Additional refrigerant required for refrigerant 20g/m pipe exceeding 10m in length. Gas pipe O.D. 15.9mm Liquid pipe O.D. 6.4mm Be sure to add the proper amount of additional refrigerant. Failure to do so may result in reduced performance.
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.
Outdoor Unit Installation 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 (R32) into the refrigeration cycle. •...
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Outdoor Unit Installation Refilling the refrigerant Check the type of refrigerant to be used on the machine nameplate. Fill from the gas pipe in liquid form. Important information regarding the refrigerant used This product contains fluorinated greenhouse gases. factory refrigerant charge of the The filled out label must be adhered in the product: Do not vent gases into the atmosphere.
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Outdoor Unit Installation 7-3 Piping diagram Piping diagram for RXM71M2V1B, RXP71K3V1B PED categories of equipment - High pressure switches: category IV; Compressor: category II; Other art. 4§3 equipment. NOTE: When the high pressure switch is activated it must be reset manually by a qualified person.
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 3 to 4 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 –15°C. However it will stop if the outdoor temperature drops below –20°C and start back up once the temperature rises again.
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Wiring Power supply Service lid 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 •...
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Wiring Wiring diagram Unified Wiring Diagram Legend For applied parts and numbering refer to the wiring diagram sticker supplied on the unit. Part numbering is realized by Arabic numbers in ascending order for each part and is represented in the overview below by symbol “*” in the part code. CIRCUIT BREAKER PROTECTIVE EARTH CONNECTION...
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 •...