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NOTES:
•
The connectable indoor unit capacity ratio can be calculated as follows.
Connectable Indoor Unit Capacity Ratio = Total Indoor Unit Capacity / Total Outdoor Unit Capacity
•
For the system under which all the indoor units are supposed to operate simultaneously, the total
indoor unit capacity should be less than outdoor unit capacity. Otherwise, it may cause a decrease of
operating performance and operating limit in overload operation.
•
For the system under which all the indoor units are not supposed to operate simultaneously, the total
indoor unit capacity is available up to 130%, 150%, 180% or 200% depending on the indoor unit type
and capacity.
•
Maximum number of connectable indoor units differs depending on the model, capacity, environment
and installation place of connected indoor units. Refer to the Technical Catalog for the selection.
•
The air flow volume for indoor units of 0.6 to 1.3HP is set higher than that for indoor units of 1.5HP or
more.
•
Total Length between Each I.U. and Expansion Valve Kit (*): This is the summation of the piping length
between each wall mounted type without expansion valve and expansion valve kit in the refrigerant
system.
The load capacity per hour or the possibility of all indoor units simultaneous operation is unknown at the
design stage, the total capacity of combined indoor units should be not over 100% against the outdoor
unit capacity.
2.4 Piping Connection Kit (Optional) between Outdoor Units
MC - NP 21 SA 1
Type of Generation
Applicable System
SA, TA: for Heat Pump and
Corresponding Outdoor Units
Capacity
[ Standard ]
21: 32 - 48 HP
22: 50 - 60 HP
31: 62 - 90 HP
40: 92 - 120 HP
Refrigerant Type
NP: R410A
Unit Type
MC: Multi Connection Kit for
Outdoor Units
Cooling Only System
(2 Pipes)
Connection
Applicable Outdoor Unit
Item
Cooling Only
32 - 48
50 - 60
Piping
62 - 90
Kit
92 - 120
2. Before Installation
Model
Remarks
No. of
ODU
2
MC-NP21SA1
for Gas: 1
for Liquid: 1
2
MC-NP22TA
for Gas: 2
3
MC-NP31TA
for Liquid: 2
for Gas: 3
4
MC-NP40TA
for Liquid: 3
13
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