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ADOPTION OF R32 REFRIGERANT
This air conditioner adopts the HFC refrigerant (R32) which does not destroy the ozone layer.
This outdoor unit is designed exclusively for use with R32 refrigerant. Be sure to use in combination with a
R32 refrigerant indoor unit.
Contents
Original instruction
Please read this Installation Manual carefully before installing the Air Conditioner.
• This Manual describes the installation method of the outdoor unit.
• For installation of the indoor unit, follow the Installation Manual attached to the indoor unit.
1 Precautions for safety ................................................................................................... 3
2
Precautions of equipment using R32 refrigerant ....................................................... 9
General (Installation space / area) ............................................................................... 9
(1) Installation conditions for each requirement ...................................................... 16
1) Outdoor unit installation .................................................................................... 16
2) Indoor unit installation ....................................................................................... 16
[ 1 ] [Con
fi
rmation of installation space and
fl
oor area] ............................... 16
[ 2 ] [Safety measures] ..................................................................................... 17
[ 3 ] [Leak detector installation] ...................................................................... 18
[ 4 ] [Safety Shut-off valve installation] .......................................................... 19
[ 5 ] [To determine the limit on the amount of additional refrigerant] ......... 21
3 Accessory
parts........................................................................................................... 23
4 Installation of R32 refrigerant air conditioner ........................................................... 23
5 Selection of installation place .................................................................................... 24
6 Carrying in the outdoor unit ....................................................................................... 25
7 Installation of the outdoor unit ................................................................................... 26
8 Refrigerant
piping
........................................................................................................ 27
9 Electric
wiring
.............................................................................................................. 43
10 Address setting ........................................................................................................... 49
11 Communication setting
............................................................................................... 53
12 Applicable control settings ........................................................................................ 69
13 How to set up the cooling only indoor unit ............................................................... 70
14 Test run ......................................................................................................................... 70
15 Troubleshooting .......................................................................................................... 74
16 Machine card and logbook ......................................................................................... 75