ENGLISH
Installation Manual 41
Refrigerant piping installation
WARNING
Regulation for refrigerant leakage
: the amount of refrigerant leakage should satisfy the following equation for human safety.
❐ If the above equation can not be satisfied, then follow the following steps.
- Selection of air conditioning system: select one of the next
1. Installation of effective opening part
2. Reconfirmation of Outdoor Unit capacity and piping length
3. Reduction of the amount of refrigerant
4. Installation of 2 or more security device (alarm for gas leakage)
- Change Indoor Unit type
: installation position should be over 2m from the floor (Wall mounted type → Cassette type)
- Adoption of ventilation system
: choose ordinary ventilation system or building ventilation system
- Limitation in piping work
: Prepare for earthquake and thermal stress
WARNING
Refer to model information since the CF Value of correction factor differs depending on model.
Total amount of refrigerant in the system
0.44 ( kg / m
3
)
Volume of the room at which Indoor Unit of the least capacity is installed
• Cooling Only
• Heat Pump
Note:
Fill in the f-gas Label attached on outdoor about the quantity of the fluorinated greenhouse gases
Manufacturing site (See Model Name label)
Installation site (If possible being placed adjacent to the service points for the addition or removal of
refrigerant)
The total Charge ( + )
HP 5 6 8 10 12 14 16 18 20 22 24 26
Product Charge(kg) 4.5 4.5 4.5 8 8 8 8 12.5 12.5 12.5 16 16
CF(kg) 0 0 -1 0 1 2 3 1 2 3 2 3
HP 28 30 32 34 36 38 40 42 44 46 48
Product Charge(kg) 16 16 16 20.5 20.5 20.5 24 24 24 24 24
CF(kg) 4 5 6 4 5 6 5 6 7 8 9
HP 5 6 8 10 12 14 16 18 20 22 24 26
Product Charge(kg) 4.5 4.5 8 8 8 8 8 12.5 12.5 12.5 16 16
CF(kg) 0 0 -1 0 1 2 3 1 2 3 2 3
HP 28 30 32 34 36 38 40 42 44 46 48
Product Charge(kg) 16 16 16 20.5 20.5 20.5 24 24 24 24 24
CF(kg) 4 5 6 4 5 6 5 6 7 8 9
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