MEES21K108
PU
H
Y-H
P-T
(S
)N
U
-A
, Y
(S
)N
U
-A
31
8. CAPACITY TABLES
Hyper Heating Inverter Y-Series
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
,QGLYLGXDO1RPLQDO,QGRRU8QLW&DSDFLW\&7
ik
×
k=1
,QGLYLGXDO
Indoor Temperature Correction Coef.
Į
k
) (Fig.1)
Outdoor Unit
Maximum Capacity(CT
x
) = CT
o
Yes
Want to change to smaller
indoor units?
Does it fulfill the load of
each room?
CT
o
&7
i
L
CT
o
Maximum Capacity(CT
x
) = CT
i
L
CT
i
Need to select smaller
outdoor unit?
Does it fulfill the load of
each room?
Nominal Outdoor Unit Capacity
< Total Indoor Units Capacity
Outdoor Unit Input
= Nominal Outdoor Unit Input ×
Outdoor Temperature
Correction Coef. (Fig.2-2)
× (CT
i
/ Nominal Outdoor Capacity)
(Fig.3)
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
$YHUDJH,QGRRUWHPSSRZHULQSXW
Coef. (
c
DYH
)
=
{c
k
× (M
k
/
M
k
)}
n
k=1
n
k=1
[LVWKHDSSUR[LPDWHFRUUHFWLRQIXQFWLRQZKHQJUHDWHU
than 100% model size units are connected (Fig.3)
Fig.3 Correction by total indoor
Fig.4 Correction of refrigerant piping length
7KHSXUSRVHRIWKLVIORZFKDUWLVWRVHOHFWWKHLQGRRUDQGRXWGRRUXQLWV)RURWKHUSXUSRVHVWKLVIORZFKDUWLVLQWHQGHGRQO\IRUUHIHUHQFH
$YHUDJH,QGRRUWHPSSRZHULQSXW
Coef. (
c
DYH
)
c
DYH
=
{c
k
× (M
k
/
M
k
)}
n
k=1
n
k=1
Outdoor Unit Input =Nominal Outdoor Unit Input ×
c
DYH
× (Model Size Ratio) (Fig.3)
(x)
(x)
[LVWKHDSSUR[LPDWHFRUUHFWLRQIXQFWLRQZKHQJUHDWHUWKDQ
model size units are input as connected.
(x)
&7
im
×
Į
m
)
n
m=1
,QGLYLGXDO,QGRRU8QLW&DSDFLW\&7
ik
= CT
x
×
CT
ik
×
Į
k
Completed Selecting Units
Completed Selecting Units
Outdoor Unit Capacity (CT
o
) = Nominal Outdoor Unit Capacity × (Model Size Ratio)
× Outdoor Temperature Correction Coef. (Fig.2-1)
× Piping Length Correction Coef. (Fig.4) × Defrost Correction Coef. (in heating)
*
c
k
:
2XWGRRUXQLWSRZHULQSXWFRHIILFLHQWRINLQGRRUXQLWURRPWHPS)LJ
*
M
k
:
1XPEHUSDUWRIWKHNLQGRRUXQLWPRGHOHJ3ĺ
Outdoor Unit Input = Nominal Outdoor Unit Input ×
c
DYH
× (CT
i
/Nominal Outdoor Capacity) (Fig.3)
[LVWKHDSSUR[LPDWHFRUUHFWLRQIXQFWLRQZKHQOHVVWKDQRUHTXDO
100% model size units are input as connected.
0.4
0.6
0.8
1.0
1.2
0.4
0.8
20
40
60
80
100
30
50
70
90
1.2
0.6
1.0
3LSLQJHTXLYDOHQWOHQJWK
1
0.90
0.80
0.95
0.85
0.75
0.65
0.70
Cooling capacity correction factor
Total capacity of indoor unit
Total capacity of indoor units
Ratio of capacity
Ratio of input
Cooling
Heating
P72
0
100
200
300
400
500
600 ft.
0
31
61
92
122
153
183 m
36
54
72
94
0000006537.BOOK 31 ページ ２０２２年４月１４日 木曜日 午前１０時４１分
