Daikin EKHWET-BV3, Installer'S Reference Manual

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7 | Unit installation
Installer reference guide
36
E120B
R32 Split series – Domestic hot water tank
4P680077-1A – 2022.11
A
nv-min
(minimum bottom opening area for natural ventilation)
The minimum bottom opening area for natural ventilation between the
unoccupied room and the outside depends on the total refrigerant in the system.
For intermediate refrigerant charges, use the row with the higher value.
Example:
If the refrigerant charge is 2.55 kg, use the row of 2.6 kg.
Total refrigerant charge (kg) A
nv-min
(dm²)
2.20 7.5
2.30 7.7
2.40 7.9
2.50 8.0
2.60 8.2
7.2 Opening and closing the units
7.2.1 About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover is removed.
7.2.2 To open the indoor unit
1 Remove the bottom cover to be able to guide the cables to the switch box.
6×
2 Remove the top cover.
4×
3 Remove the switch box cover.