CS-TZ20TKEW-1, CS-TZ25TKEW-1, CS-TZ35TKEW-1, CU-TZ20TKE-1, CU-TZ25TKE-1, CU-TZ35TKE-1 - 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 three separate rooms for CU-3E18PBE. 
o  A single outdoor unit enables air conditioning of up to four separate rooms for CU-4E23PBE, CU-4E27PBE. 
o  A single outdoor unit enables air conditioning of up to five separate rooms for CU-5E34PBE. 
 
CONNECTABLE INDOOR UNIT CU-3E18PBE*  CU-4E23PBE* 
CU-4E27PBE* 
CU-5E34PBE* 
ROOM 
A  B  C  A B C D A B C D A B C D E 
Wall
 
2.0kW CS-TZ20TKEW-1  ● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
2.5kW CS-TZ25TKEW-1  ● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
● 
3.5kW CS-TZ35TKEW-1  ● 
● – ● 
● 
● – ● 
● 
● – ● 
● 
● 
● 
● 
4.2kW CS-TZ42TKEW-1  ● 
● – ● 
● – – ● 
● 
● – ● 
● 
● 
● – 
Capacity range of connectable units  From 4.5kW to 9.0kW From 4.5kW to 11.0kW
From 4.5kW to 13.6kW 
From 4.5kW to 17.5kW 
Pipe length 
1 room maximum pipe length (m)
25 
25 
25 
25 
Allowable elevation (m) 
15 
15 
15 
15 
Total allowable pipe length (m) 
50 
60 
70 
80 
Total pipe length for maximum 
chargeless length (m) 
30 30  45 
45 
Additional gas amount over 
chargeless length (g/m) 
20 20  20 
20 
Note: “●” : Available 
Remarks for CU-3E18PBE / CU-4E23PBE / CU-4E27PBE / CU-5E34PBE 
1. 
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-4E27PBE. (Total nominal capacity of indoor units is between 
4.5kW to 13.6kW) 
1) Two CS-TZ25TKEW-1 only. (Total nominal cooling capacity is 5.0kW) 
 
Note*: Above outdoor unit is contains and operates with refrigerant R410A gas. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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