49
10.2. Refrigerant additional charge
1. Piping installation by standard piping
• At the time of shipment from the factory, this unit is charged with enough refrigerant for an equivalent pipe length of 30 m.
(Refer the following table)
But when the piping length exceeds 30m, additional charge is required according to the following table.
Example:
CU-B24DBE5
In case of 50m long pipe (one way), the amount of refrigerant to be replenished is: (50 - 30) x 50 = 1,000g
Model Name Standard piping specification
Liquid piping
(dia.mm)
Gas piping
(dia.mm)
Gas chargeless
length (m)
Additional gas
volume (g/m)
CU-B24DBE5 9.52 15.88 30 50
CU-B28DBE5 9.52 15.88 30 50
CU-B28DBE8
CU-B34DBE5 9.52 15.88 30 50
CU-B34DBE8
CU-B43DBE8 9.52 15.88 30 50
CU-B50DBE8 9.52 15.88 30 50