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Multi Split Combination Possibility:
o A single outdoor unit enables air conditioning of up to two separate rooms for CU-2Z52VBR.
o A single outdoor unit enables air conditioning of up to three separate rooms for CU-3Z54VBR.
o A single outdoor unit enables air conditioning of up to four separate rooms for CU-4Z71VBR.
CONNECTABLE INDOOR UNIT
OUTDOOR
UNIT
CU-2Z52VBR CU-3Z54VBR
CU-4Z71VBR
ROOM
TYPE
A
B
A
B
C
A
B
C
D
Wall
1.6kW CS-MRZ16VKR
●
●
●
●
●
●
●
●
●
2.0kW CS-MRZ20VKR
●
●
●
●
●
●
●
●
●
2.5kW
CS-RZ25VKRW
CS-Z25UD3RAW
CS-Z25UB4RAW
●
●
●
●
●
●
●
●
●
CS-Z25UFRAW
●
●
– – – – – – –
3.5kW
CS-RZ35VKRW
CS-Z35UD3RAW
CS-Z35UB4RAW
●
●
●
●
–
●
●
●
–
CS-Z35UFRAW
●
●
– – – – – – –
4.2kW CS-RZ42VKRW
●
–
●
●
–
●
●
–
–
5.0kW
CS-RZ50VKRW
CS-Z50UD3RAW
CS-Z50UB4RAW
●
–
●
–
–
●
●
–
–
CS-Z50UFRAW
●
–
– – – – – – –
6.0kW
CS-RZ60VKRAW
CS-Z60UD3RAW
CS-Z60UB4RAW
– – – – – ● – – –
Capacity range of connectable indoor units
From 3.2kW
to
7.7kW
From 4.5kW to 9.5kW From 4.5kW to 11.5kW
Pipe length
1 room maximum pipe length (m) 3 ~
20
3 ~
25
3 ~
25
Allowable elevation (m)
10
15
15
Total allowable pipe length (m)
30
50
60
Total pipe length for maximum
chargeless length (m)
20
30
30
Additional gas amount over
chargeless length (g/m)
15
20
20
Note: “●” :
Available
Remarks for CU-2Z52VBR
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-2Z52VBR. (Total nominal capacity of indoor units is between
3.2kW to 7.7kW)
1) Two CS-Z25UD3RAW only. (Total nominal cooling capacity is 5.0kW)
Remarks for CU-3Z54VBR
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-3Z54VBR. (Total nominal capacity of indoor units is between
4.5kW to 9.5kW)
1) Two CS-Z35UD3RAW only. (Total nominal cooling capacity is 7.0kW)
Remarks for CU-4Z71VBR
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-4Z71VBR. (Total nominal capacity of indoor units is between
4.5kW to 11.5kW)
1) Two CS-Z50UD3RAW only. (Total nominal cooling capacity is 10.0kW)
Note*: Above outdoor unit is contains and operates with refrigerant R32 gas.
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