Toshiba MMC-P0151H, Руководство по конструкции

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1-13
3. Cooling/heating capacity characteristics
1. Cooling capacity calculation method :
Required cooling capacity = Cooling capacity x Factor (

,
‚
,
ƒ
,
„
,
*
1
) kW
2. Heating capacity calculation method :
Required heating capacity = Heating capacity x Factor (

,
‚
,
ƒ
,
„
,
*
1 ,
†
*
2 ) kW
Indoor air wet bulb temp. (˚C) Outdoor air dry bulb temp. (˚C)
Capacity correction v
alue
Capacity correction v
alue
Capacity correction v
alue
10 0
50
40
30
20
10
0
–10
–20
–30
20 30 40 50 60 70 80 90 100 110 120
Pipe length (Equivalent length) L (m)
Height of outdoor unit H (m)
Outdoor unit (8 to 46HP)
1 Indoor air wet bulb
temperature vs.
capacity correction value
2 Outdoor air dry bulb temperature vs.
capacity correction value
3 Air flow variation ratio of indoor
unit vs. capacity correction
(For concealed duct type only)
4 Connecting pipe length and lift difference between
indoor and outdoor units vs. capacity correction value
15
1.2
1.1
1.0
0.9
–5 0 5 10 15 20 25 30 35 40 43
1.2
1.1
1.0
0.9
0.8
20 24
98 96 88 86 84 82 80 78 76
%100
94 92 90
1.1
1.0
0.9
80 90 100 110 120
Indoor air dry bulb temp. (˚C)
Capacity correction v
alue
1 Indoor air dry bulb
temperature vs.
capacity correction value
Outdoor unit
Indoor unit
L’ is the longest one of
(l’o + l’a, l’o + l’b, l’o + l’c)
H = ho +
(Largest one of ha, hb, and hc)
A
ha
hb
hc
ho l’o
l’a
l’b
l’c
B
C
Air flow variation ratio (%)
Indoor units total capacity ratio (%)
5 Correction of outdoor unit diversity
0
80
60
40
20
20 40 60 80 100 120 135
Correction (%)
120
100
Standard capacity ratio
Outdoor unit
Indoor unit
L’ is the longest one of
(l’o + l’a, l’o + l’b, l’o + l’c)
H = ho +
(Largest one of ha, hb, and hc)
A
ha
hb
hc
ho l’o
l’a
l’b
l’c
B
C
Indoor units total capacity ratio (%)
5 Correction of outdoor unit diversity
0
80
60
40
20
20 40 60 80 100 120 135
Correction (%)
120
100
Standard capacity ratio
0.8
15 20 24
0.9
1.0
1.1
1.2
Outdoor air wet bulb temp. (˚C)
Capacity correction v
alue
2 Outdoor air wet bulb temperature vs.
capacity correction value
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
–15 –10 –5 0 5 10 15 Capacity correction v
alue
3 Air flow variation ratio of indoor
unit vs. capacity correction
(For concealed duct type only)
Air flow variation ratio (%)
0.9
1.0
1.1
80 90 100 110 120
Pipe length (Equivalent length) L (m)
Height of outdoor unit H (m)
Outdoor unit (8 to 46HP)
4 Connecting pipe length and lift difference between
indoor and outdoor units vs. capacity correction value
–30
–20
–10
0
10
20
30
40
50
10 20 30 40 50 60 70 80 90 100 110 120
99 98 97 96 95 94 93 92 91 90 89
88
100%
*
1 : Coefficient to use for correction of outdoor unit capacity when total capacity of the indoor units are not equal to the
outdoor unit capacity.
*
2 : Refer to item 3 in page 1-14.