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Model
Max. height
difference
Additional refrigerant charging amount (kg/oz)
A12, A18 30 m, 100 ft 30 m, 100 ft 0 – – – – – – –
0.06 kg 0.11 kg 0.17 kg
2 oz 4 oz 6 oz
A24, A30, A36 50 m, 165 ft 30 m, 100 ft 0
0.17 kg 0.34 kg 0.51 kg 0.68 kg 0.85 kg 1.02 kg 1.19 kg 1.36 kg 1.53 kg 1.70 kg
6oz 12 oz 18 oz 24 oz 30 oz 36 oz 42 oz 48 oz 54 oz 60 oz
A42 50 m, 16 5 ft 30 m, 100 ft 0 0 0 0
0.17 kg 0.34 kg 0.51 kg 0.68 kg 0.85 kg 1.02 kg 1.19 kg
6oz 12 oz 18 oz 24 oz 30 oz 36 oz 42 oz
Max. pipe
length
20 m 25 m 27 m 30 m 33.5 m 36.6 m 40 m 43 m 45.5 m 48.8 m 50 m
70 ft 80 ft 90 ft 100 ft 110 ft 120 ft 130 ft 140 ft 150 ft 160 ft 165 ft
7-4. ADDITION OF REFRIGERANT
• Additional charging is not necessary if the pipe length does not exceed 20 m(70 ft) for A12-A36 or 30 m(100 ft) for A42.
• If the pipe length exceeds the specified length above, charge the unit with additional R410A refrigerant according to the
permitted pipe lengths in the chart below.
* When the unit is stopped, charge the unit with the additional refrigerant through the liquid stop valve after the pipe
extensions and indoor unit have been vacuumized.
* When the unit is operating, add refrigerant to the gas check valve using a safety charger. Do not add liquid refrigerant
directly to the check valve.
* After charging the unit with refrigerant, note the added refrigerant amount on the service label (attached to the unit).
• Be careful when installing multiple units. Connecting to an incorrect indoor unit can lead to abnormally high pressure and have
a serious effect on operation performance.
8-1. OUTLET AIR SPEED AND COVERAGE RANGE
CFM
ft/sec.(m/sec.)
ft(m)
Air flow
Air speed
Coverage range
CFM
ft/sec.(m/sec.)
ft(m)
Air flow
Air speed
Coverage range
CFM
ft/sec.(m/sec.)
ft(m)
Air flow
Air speed
Coverage range
CFM
ft/sec.(m/sec.)
ft(m)
PLA-A30BA PLA-A36BA PLA-A42BA
1060
17.4(5.3)
26(8.0)
1090
17.7(5.4)
26(8.2)
Air flow
Air speed
Coverage range
740
12.1(3.7)
18(5.6)
530
8.5(2.6)
13(4.1)
640
10.5(3.2)
15(4.8)
640
10.5(3.2)
15(4.8)
PLA-A12BA PLA-A18BA
PLA-A24BA
PCA-A24KA
PCA-A30KA
PCA-A36KA
PCA-A42KA
990
11.8(3.6)
41(12.5)
705
10.5(3.2)
33(10.1)
670
10.2(3.1)
32(9.6)
1025
12.1(3.7)
42(12.9)
425
20.0(6.1)
35(10.8)
PKA-A12HAL
PKA-A12HA
PKA-A18HAL
PKA-A18HA
425
20.0(6.1)
35(10.8)
775
19.7(6.0)
47(14.3)
775
19.7(6.0)
47(14.3)
PKA-A24KAL
PKA-A24KA
PKA-A30KAL
PKA-A30KA
PKA-A36KAL
PKA-A36KA
920
22.3(6.8)
53(16.1)
The air coverage range is the distance to which the 0.8 ft/sec. air can reach, when air is blown out horizontally from the unit at
the High notch position.
The coverage range should be used only as a general guideline since it varies according to the size of the room and the furni-
ture inside the room.
8
AIR FLOW DATA