CS-E7RKDW, CS-E9RKDW, CS-E12RKDW, CS-E15RKDW, CS-E18RKDW, CS-E24RKDW, CS-E28RKDS, CU-E7RKD, CU-E9RKD, CU-E12RKD, CU-E15RKD, CU-E18RKD, CU-E24RKD, CU-E28RKD - Panasonic Air Conditioner Service Manual (repair manual). Page 17

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17 
  Multi Split Combination Possibility: 
o
  A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E15PBD, CU-2E18PBD. 
o
  A single outdoor unit enables air conditioning of up to three separate rooms for U-3E18JBE. 
o
  A single outdoor unit enables air conditioning of up to four separate rooms for U-4E23JBE, CU-4E27PBD. 
o
  A single outdoor unit enables air conditioning of up to five separate rooms for CU-5E34PBD. 
 
CONNECTABLE 
INDOOR UNIT 
OUTDOOR UNIT 
CU-2E15PBD CU-2E18PBD
U-3E18JBE 
U-4E23JBE 
CU-4E27PBD 
CU-5E34PBD 
ROOM 
A  B  A  B  A B C A B C D A B C D A B C D E 
TYPE 
 
 
 
 
 
 
Wall
 
2.2kW CS-E7RKDW 
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2.8kW CS-E9RKDW 
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3.2kW CS-E12RKDW 
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4.0kW 
CS-E15RKDW 
– – – – ● 
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5.0kW 
CS-E18RKDW 
– – – – ● 
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6.0kW 
CS-E21RKDW 
– – – – – 
– 
– 
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7.0kW 
CS-E24RKDW –  –  –  –  – – – – – – – ● 
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Capacity range of 
connectable indoor units 
From 4.5kW 
to 5.6kW 
From 4.4kW 
to 6.4kW 
From 5.0kW 
to 9.0kW 
From 5.0kW 
to 11.0 kW 
From 5.0kW 
to 13.6 kW 
From 5.0kW 
to 17.4 kW 
Pipe length 
1 room maximum  
pipe length (m) 
20 20  25 
25 
25 
25 
Allowable elevation 
(m) 
10 10  15 
15 
15 
15 
Total allowable 
pipe length (m) 
30 30  50 
60 
70 
80 
Total pipe length 
for maximum  
chargeless length (m) 
20 20  30 
30 
45 
45 
Additional gas 
amount over 
chargeless length 
(g/m) 
15 15  20 
20 
20 
20 
Note: “●” : Available 

Remarks for CU-2E15PBD / CU-2E18PBD 
1.  At least two indoor units must be connected. 
2.  The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor 
unit. (as shown in the table above) 
Example: The indoor units’ combination below is possible to connect to CU-2E15PBD. (Total nominal capacity of indoor units is between 
4.4kW to 5.6kW) 
1) Two CS-E7RKDW only. (Total nominal cooling capacity is 4.4kW) 
2) One CS-E7RKDW and one CS-E9PKEW. (Total nominal cooling capacity is 5.0kW) 

Remarks for U-3E18JBE / U-4E23JBE 
1.  At least two indoor units must be connected. 
2.  The total nominal cooling capacity of indoor unit that will be connected to outdoor unit must be within connectable capacity range of indoor 
unit. (as shown in the table above) 
Example: The indoor units’ combination below is possible to connect to U-3E18JBE. (Total nominal capacity of indoor units is between 
5.0kW to 9.0kW) 
1) Two CS-E9RKDW only. (Total nominal cooling capacity is 5.6kW) 
2) Three CS-E12RKDW. (Total nominal cooling capacity is 9.6kW) 

Remarks for CU-4E27PBD / CU-5E34PBD 
1.  At least two indoor units must be connected. 
2.  The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor
unit. (as shown in the table above) 
Example: The indoor units’ combination below is possible to connect to CU-4E27PBD. (Total nominal capacity of indoor units is between 
5.0kW to 13.6kW) 
1) Two CS-E9RKDW only. (Total nominal cooling capacity is 5.6kW) 
2) Three CS-E12RKDW. (Total nominal cooling capacity is 9.6kW) 
 
 
 
 
 
 
 
 
 

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