Daikin R410A Split Series- Installation Manual

■ 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 ■ English Outdoor Unit Installation Guideline • Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust 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 ...

■ 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 drain plug for d...

7 ■ English Refrigerant Piping Work 4. Purging air and checking gas leakage 1) When piping work is completed, it is necessary to purge the air and check for gas leakage. WARNING 1) Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle.2) When refrigerant ...

■ English 8 5. Refilling the refrigerant Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the liquid pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal o...

9 ■ English Refrigerant Piping Work 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. (Bending radius should be 30 to 40mm or larger.) Selection of coppe...

■ 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 ■ 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 lid from liquid shut-off valve and gas shut- off valve. 2) Carry out forced cooling operation.3) After five to ten minutes, close the liquid shut-o...

■ English 12 Wiring WARNING 1) Do not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical shock, or fire.2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the term...

13 ■ 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 ...

■ 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 ■ English Test Run and Final Check • 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 shut-off valves are fully open.• Check that piping and wiring all match. The wiring error check can be conven...

■ English 16 2. Test run and final check 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 will not start again (heating o...