10.1. Pipe length
10 INSTALLATION INSTRUCTION
10.1.1. Correction of capacities
Correction of capacities according to the connecting pipe length.
The data of rated capacities (marked on the name plate) are based on 7.5 metres connecting pipe and horizontal
installation.
CS-F14DD3E5, CS-F18DD3E5
Piping Size / Length & Elevation
Model No. Piping size Piping
length (A)
Piping
elevation
(B)
Piping
elevation
(C)
Piping
Chargeless
Add
Refrigerant
Liquid/High Valve Gas/Low Valve Max (m) Max (m) Max (m) Max (m) (g/m)
R
HIDE 4 CS-F14DD3E5
AWAY 1 (Lo) 6.35 3-ways 12.7 3-ways 30 20 20 20 20
TYPE 0 CS-F18DD3E5
A
10.1.2. Refrigerant additional charge
• The piping length exceeds 20 metres.
Before shipment, this air conditioner is filled with the rated amount of refrigerant subject to 20m piping length. (The rated
amount of refrigerant is indicated on the name plate.) But when the piping length exceeds 20m, additional charge is required
according to the following table.
Example :
CS-F14DD3E5
In case of 21m long pipe (one-way), the amount of refrigerant to be replenished is: (21 - 20) x 20 = 20g
Model Name Standard piping specification
Liquid piping
(dia. mm)
Gas piping
(dia. mm)
Gas charge-
less length
(m)
Additional
gas volume
(g/m)
CU-B14DBE5 6.35 12.7 20 20
CU-B18DBE5 6.35 12.7 20 20
32
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