18
Multi Split Combination Possibility:
o A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E12SBE, CU-2E15SBE,
CU-2E18SBE.
o A single outdoor unit enables air conditioning of up to three separate rooms for CU-3E23SBE, CU-3E18PBE.
CONNECTABLE INDOOR UNIT CU-2E12SBE* CU-2E15SBE* CU-2E18SBE* CU-3E23SBE* CU-3E18PBE*
ROOM A B A B A B A B C A B C
Wall
2.0kW CS-MZ20UD3EA ● ● ● ● ● ● ● ● ● ● ● ●
2.5kW CS-Z25UD3EAW ● ● ● ● ● ● ● ● ● ● ● ●
3.2kW CS-Z35UD3EAW ● – ● – ● ● ● ● ● ● ● –
5.0kW CS-Z50UD3EAW – – – – ● – ● ● – ● – –
6.0kW CS-Z60UD3EAW – – – – – – ● – – – – –
Capacity range of connectable units
From 3.2kW to
5.7kW
From 3.2kW to
5.7kW
From 3.2kW to
7.5kW
From 4.5kW to 11.0kW From 4.5kW to 9.0kW
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-2E12SBE / CU-2E15SBE / CU-2E18SBE
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-2E15SBE. (Total nominal capacity of indoor units is between
3.2kW to 5.7kW)
1) Two CS-MZ20UD3EA only. (Total nominal cooling capacity is 4.0kW)
Remarks for CU-3E23SBE / CU-3E18PBE
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-3E23SBE. (Total nominal capacity of indoor units is between
4.5kW to 11.0kW)
1) Two CS-Z25UD3EAW only. (Total nominal cooling capacity is 5.0kW)
Note*: Above outdoor unit is contains and operates with refrigerant R410A gas.
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