Model
Max pipe
length
Max height
difference
Additional refrigerant charging amount *2
21 m 24 m 27 m 30 m 34 m 37 m 40 m 43 m 46 m 49 m 50 m 52 m 55 m 58 m 61 m 64 m 67 m 70 m 73 m 75 m
70 ft 80 ft 90 ft 100 ft 110 ft 120 ft 130 ft 140 ft 150 ft 160 ft 165 ft 170 ft 180 ft 190 ft 200 ft 210 ft 220 ft 230 ft 240 ft 245 ft
HA24
50 m, 165 ft *1 30 m, 100 ft
0
0.2 kg
7 oz
0.4 kg
14 oz
0.6 kg
21 oz
0.8 kg
28 oz
1.0 kg
35 oz
1.2 kg
42 oz
1.4 kg
49 oz
1.6 kg
56 oz
1.8 kg
63 oz
1.9 kg
67 oz
–
–
–
–
–
–
–
–
–
HA30, 36 75 m, 245 ft *1 30 m, 100 ft
0
0
0
0
0.2 kg
7 oz
0.4 kg
14 oz
0.5 kg
18 oz
0.7 kg
25 oz
0.9 kg
32 oz
1.0 kg
35 oz
1.1 kg
39 oz
1.2 kg
42 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
1.4 kg
49 oz
HA42
75 m, 245 ft
30 m, 100 ft
0
0
0
0
0.2 kg
7 oz
0.4 kg
14 oz
0.5 kg
18 oz
0.7 kg
25 oz
0.9 kg
32 oz
1.0 kg
35 oz
1.1 kg
39 oz
1.2 kg
42 oz
1.4 kg
49 oz
1.5 kg
53 oz
1.7 kg
60 oz
1.9 kg
67 oz
2.0 kg
71 oz
2.2 kg
78 oz
2.3 kg
81 oz
2.4 kg
85 oz
*1. If outdoor unit is connected to the A-COIL indoor unit (PAA-A24, 30, 36), pipe length is “Max. 30 m, 100 ft”.
*2. This additional refrigerant chart is used only when connected to an indoor unit other than A-COIL indoor unit (PAA-A24, 30, 36). Additional charging is not necessary if the
pipe length does not exceed 30 m 100 ft for HA24-HA36 connected to the A-COIL indoor unit (PAA-A24, 30, 36).
8
4.6. Addition of refrigerant
• Charge the unit with additional R410A refrigerant according to the permitted pipe
lengths in the chart below.
• Additional charging is not necessary if the pipe length does not exceed 30 m 100
ft for HA24-HA36 connected to the A-COIL indoor unit (PAA-A24, 30, 36).
* 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 vacu-
umized.
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).
Refer to the “1.5. Using R410A refrigerant air conditioners” for more information.
• 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 per-
formance.
4. Installing the refrigerant piping
4.7. For twin combination
Refrigerant piping limitation of length, height difference are shown in the figure. (Fig.
4-8)
A
Indoor unit
B
Outdoor unit
C
Multi distribution pipe (option)
D
Height difference (Indoor unit-Outdoor unit) Max. 30 m, 100 ft
E
Height difference (Indoor unit-Indoor unit) Max. 1 m, 3 ft
A: Main piping
B,C: Branch piping Max. 20 m, 65 ft
Fig. 4-8
D
E
A
A
C
B
C
A
B
HA24: A+B+C
[
50 m, 165 ft
HA30/36/42: A+B+C
[
75 m, 245 ft
| B–C |
[
8 m, 26 ft
Outdoor unit drainage pipe connection
When drain piping is necessary, use the drain socket or the drain pan (option).
Drain socket *
PAC-SG61DS-E
Drain pan *
HA24
PAC-SG64DP-E
HA30/36/42
PAC-SH97DP-E
* Do not use the drain pipe in cold climates as it may freeze.
6. Electrical work
6.1. Outdoor unit (Fig. 6-1, Fig. 6-2)
1
Remove the service panel.
2
Wire the cables referring to the Fig. 6-1 and the Fig. 6-2.
Fig. 6-1
A
C
C
E
E
E
E
E
S3
S3
S2
S1
S2
S1
L1 L2 GR
A
Indoor unit
B
Outdoor unit
C
Remote controller
D
Main switch (Breaker)
E
Earth
For Power
For Power
A
B
B
D
D
A
L1
GR
L2
S1 S2 S3
A
B
C
D
E
5. Drainage piping work
A
Earth terminal
B
Terminal block
C
Clamp
D
Service panel
E
Wire the cables so that they do
not contact the center of the
service panel or the gas valve.
CONDUIT PLATE : accessory
Fig. 6-2
en
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