30 
  Multi Split Combination Possibility: 
o  A single outdoor unit enables air conditioning of up to two separate rooms for CU-2Z35TBE,  
CU-2Z41TBE, CU-2Z50TBE. 
o  A single outdoor unit enables air conditioning of up to three separate rooms for CU-3Z68TBE, CU-3Z52TBE. 
 
CONNECTABLE INDOOR UNIT 
OUTDOOR UNIT 
CU-2Z35TBE  CU-2Z41TBE  CU-2Z50TBE  CU-3Z68TBE  CU-3Z52TBE 
ROOM 
TYPE 
A  B  A  B  A  B  A  B  C  A  B  C 
Wall 
1.6kW  CS-MTZ16ZKE  ● ● ● ● ● ● ● ● ● ● ● ● 
2.0kW 
CS-TZ20ZKEW 
CS-RZ20ZKEW 
●  ●  ●  ●  ●  ●  ●  ●  ●  ●  ●  ● 
2.5kW 
CS-TZ25ZKEW 
CS-RZ25ZKEW 
●  ●  ●  ●  ●  ●  ●  ●  ●  ●  ●  ● 
3.5kW 
CS-TZ35ZKEW 
CS-RZ35ZKEW 
●  –  ●  –  ●  ●  ●  ●  ●  ●  ●  – 
4.2kW  CS-TZ42ZKEW  –  –  –  –  ●  –  ●  ●  –  ●  ●  – 
5.0kW 
CS-TZ50ZKEW 
CS-RZ50ZKEW 
–  –  –  –  ●  –  ●  ●  –  ●  –  – 
6.0kW CS-TZ60ZKEW  – – – – – – ● – – – – – 
Capacity range of 
connectable units 
From 3.2kW to 
6.0kW 
From 3.2kW to 
6.0kW 
From 3.2kW to 
7.7kW 
From 4.5kW to 11.2kW  From 4.5kW to 9.5kW 
Pipe length 
1 room maximum pipe length (m)  20  20  20  25  25 
Allowable elevation (m)  10  10  10  15  15 
Total allowable pipe length (m)  30  30  30  60  50 
Total pipe length for maximum 
chargeless length (m) 
20  20  20  30  30 
Additional gas amount over 
chargeless length (g/m) 
15  15  15  20  20 
Note: “●” : Available 
Remarks for CU-2Z35TBE / CU-2Z41TBE / CU-2Z50TBE 
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-2Z41TBE. (Total nominal capacity of indoor units is between 
3.2kW to 6.0kW) 
1) Two CS-TZ20ZKEW only. (Total nominal cooling capacity is 4.0kW) 
Remarks for CU-3Z68TBE / CU-3Z52TBE 
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-3Z68TBE. (Total nominal capacity of indoor units is between 
4.5kW to 11.2kW) 
1) Two CS-TZ25ZKEW only. (Total nominal cooling capacity is 5.0kW)