1
Contents
Safety Precautions ..................................... 2
Accessories ................................................. 4
Choosing an Installation Site .................... 4
1. Indoor unit ............................................................ 4
2. Wireless remote controller
(When mounting on a wall etc.) ........................... 5
3. Outdoor unit ......................................................... 5
Precautions for humidifying hose
installation work ......................................... 5
Indoor/Outdoor Unit Installation
Drawings ...................................................... 6
Indoor Unit Installation ............................... 7
1. Installing the mounting plate ................................ 7
2. Boring a wall hole and installing wall
embedded pipe .................................................... 7
3. Installing inter-unit wiring ..................................... 7
4. Humidifying hose installation work ...................... 8
5. Laying piping, hoses, and wiring .......................... 9
6. Wiring .................................................................. 10
7. Drain piping .......................................................... 11
8. Improving installation strength ............................. 11
Outdoor Unit Installation Guidelines ........ 12
Precautions on Installation of
Outdoor Unit ................................................ 12
Outdoor Unit Installation ............................ 12
1. Installing outdoor unit .......................................... 12
2. Drain work ............................................................ 12
3. Flaring the pipe end ............................................. 12
4. Refrigerant piping ................................................ 13
5. Refrigerant piping work ........................................ 13
6. Evacuating the air with a vacuum pump and
checking gas leakage .......................................... 14
7. Wiring .................................................................. 15
8. Connecting the humidifying hose ........................ 16
9. Setting the humidifying hose length ..................... 16
Installation Tips ........................................... 17
Removing and installing the front panel .................. 17
Removing and installing the front grille .................... 17
How to set the different addresses ........................... 18
Connecting to the HA system
(Wired remote controller, central remote
controller etc.) .......................................................... 18
Pump down operation .............................................. 18
Trial Operation and Testing ........................ 19
1. Setting of the position where the indoor unit is
installed ............................................................... 19
2. Installing the air-purifying and
deodorising fi lter
.................................................. 19
3. Trial operation and testing .................................... 19
4. Test items ............................................................. 20
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