How to determine the capacity when greater than 100% indoor model size units are connected in total:
No
Yes
Temporarily select the indoor/outdoor units
Reselect the outdoor units
Reselect the indoor units
Reselect the outdoor units
Reselect the indoor units
Indoor Unit
n
Total Indoor Units Capacity (CT
i
,QGLYLGXDO5DWHG,QGRRU8QLW&DSDFLW\&7
ik
×
k=1
,QGLYLGXDO,QGRRU
Temperature Correction Coef.
Į
k
) (Figure 1, 4)
Outdoor Unit
*1
Maximum Capacity(CT
max
) = CT
o
Yes
Want to change to smaller
indoor units?
Does it fulfill the load of
each room?
CT
o
&7
i
L
&7
o
Maximum Capacity(CT
max
) = CT
i
L
&7
i
Need to select smaller
outdoor unit?
Does it fulfill the load of
each room?
Rated Outdoor Unit Capacity
< Total Indoor Units Capacity
Outdoor Unit Input
= Rated Outdoor Unit Input ×
Outdoor Temperature
Correction Coef.
× (CT
i
)
Determine the load (L) and
the Indoor/Outdoor Temperature
n: Total Number of Indoor Units
k: Indoor Unit Number
Yes
Yes
No
No
No
No
Yes
No
No
No
Yes
Yes
Yes
A
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c
DYH
)
^F
k
× (M
k
0
k
)}
n
k=1
n
k=1
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for reference.
*
c
k
:
2XWGRRUXQLWSRZHULQSXWFRH
fficient of k indoor unit room temp. (Refer to 4-2.)
*
M
k
:
1XPEHUSDUWRIWKHNLQGRRUXQLWPRGHOHJ3ĺ
A
YHUDJH,QGRRUWHPSSRZHULQSXW&RHI
c
DYH
)
c
DYH
^F
k
× (M
k
0
k
)}
n
k=1
n
k=1
Outdoor Unit Input =Rated Outdoor Unit Input ×
c
DYH
Outdoor Unit Input = Rated Outdoor Unit Input ×
c
DYH
× (CT
i
)
&7
im
×
Į
m
)
n
m=1
,QGLYLGXDO,QGRRU8QLW&DSDFLW\&7
ik
= CT
max
×
CT
ik
×
Į
k
Completed Selecting Units
Completed Selecting Units
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than 100% model size units are connected.
Outdoor Unit Capacity (CT
o
) = Rated Outdoor Unit Capacity × ( )
× Outdoor Temperature Correction Coef. (Figure 2, 5)
× Piping Length Correction Coef. (Figure 3, 6) × Defrost Correction Coef. (in heating, Table 1)
[LVWKHDSSUR[LPDWHFRUUHFWLRQIXQFWLRQZKHQJUHDWHUWKDQ
model size units are input as connected.
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100% model size units are input as connected.
CT
i
× (CT
i
)
Input
Calculation
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