Daikin 3MXS-E - User Manual

n English 4 Installation • Install the unit horizontally.• The unit may be installed directly on a concrete verandah or a solid place if drainage is good.• If the vibration may possibly be transmitted to the building, use a vibration-proof rubber (field supply). 1. Connections (connection port) Inst...

5 n English Outdoor Unit Installation Guideline • 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 below installation patterns, the wall height on the exhaust side should be 1200mm or less. Selecting a ...

n English 6 Refrigerant Piping Work 1. Installing outdoor unit 1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Indoor/Outdoor Unit Installation Drawings”. 2) If drain work is necessary, follow the procedures below. 2. Drain work 1) Use the drain plug f...

7 n English 4. Purging air 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.• R410A, as well as other refrigerants, should alway...

n English 8 Refrigerant Piping Work 5. Refilling the refrigerant Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410AFill 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,...

9 n English 7. Refrigerant piping work Cautions on pipe handling 1) Protect the open end of the pipe against dust and moisture.2) All pipe bends should be as gentle as possible. Use a pipe bender for bending. Selection of copper and heat insulation materials When using commercial copper pipes and fi...

n English 10 How to Use Reducers Use the reducers supplied with the unit as described below. 1) Connecting a pipe of φ 12.7 to a gas pipe connection port for φ 15.9: 2) Connecting a pipe of φ 9.5 to a gas pipe connection port for φ 15.9: 3) Connecting a pipe of φ 9.5 to a gas pipe connection port fo...

11 n English 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.3) After five to ten minutes, close the liquid stop valve with...

n English 12 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 ...

13 n English Priority Room Setting • To use priority room setting, initial settings must be made when the unit is installed. Explain the priority room setting, as described below, to the customer, and confirm whether or not the customer wants to use priority room setting.Setting it in the guest and ...

n English 14 Night Quiet Mode Setting • If night quiet mode is to be used, initial settings must be made when the unit is installed.Explain night quiet mode, as described below, to the customer, and confirm whether or not the customer wants to use night quiet mode. About night quiet mode The night q...

15 n English Trial Operation and Testing • Before starting the test run, measure the voltage at the primary side of the safety breaker. Check that it is 220-240V.• Check that all liquid and gas stop valves are fully open.• Check that piping and wiring all match. The wiring error check can be conveni...

n English 16 Trial Operation and Testing 2. Trial operation and testing 1) To test cooling, set for the lowest temperature. To test heating, set for the highest temperature. (Depending on the room temperature, only heating or cooling (but not both) may be possible.) 2) After the unit is stopped, it ...