Correction of cooling and heating capacities according to
the connecting pipe length.
The data of cooling capacities (marked on the name plate)
are based on 7.5 metres connecting pipe and horizontal
installation.
(Cooling)
Equivalent Length = actual pipe length +
number of elbow x ELE + number of oil
trap x ELO
ELE: equivalent length of elbow.
ELO: equivalent length of oil trap.
10.2. REFRIGERANT ADDITIONAL
CHARGE
•
• •
•
The piping length exceeds 30 metres.
APPLICABLE FOR ALL MODELS
Before shipment, this air conditioner is filled with the rated
amount of refrigerant subject to 30m piping length. (The
rated amount of refrigerant is indicated on the name plate.)
But when the piping length exceeds 30m, additional charge
is required according to the following table.
For other pipe length of other installation multiply
by the following correction factor to determine the
revised cooling capacity.
(Heating)
Outer diameter of gas
side pipe mm (inch)
9.52 0.18
12.7 (1/2) 0.20
15.88 (5/8) 0.25
19.05 (3/4) 0.35
Model Ref. Charge
2.5HP 20g per 1m
3~5HP 50g per 1m
Example:
CS-W24BD2P
In case of 30 m long pipe (one-way), the
amount of refrigerant to be replenished is:
(30 - 30) x 20 = 0g
CS-W43BD2P
In case of 50m long pipe (one-way), the
amount of refrigerant to be replenished is:
(50 - 30) x 50 = 1,000g
10 PIPE LENGTH
10.1. CORRECTION OF COOLING AND HEATING CAPACITIES
48
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