(1)Calculation methed of refrigerating capacity----refrigerating capacity to
be known=refrigerating capacity*(A*B*C*D*E)W
A.Capacity compensation
value of indoor air wet-bulb
temperature condition
B.Capacity compensation
value of outdoor air dry-bulb
temperature condition
Mmcnnq `hq vds3atka sdlodq`stqd .
;
/
748
747
746
64?
64>
7 ;
8 6
8 :
Stscnnq `hq cqx3atka sdlodq`stqd .
;
/
748
747
746
64?
3;
6
;
76
7;
86
8;
96
9;
:6 :9
G`o`bhsx
lnchehb`shnm
u`ktd
G`o`bhsx
lnchehb`shnm
u`ktd
C.Capacity modification value
under air
fl
ow variation rate of indoor
unit group(only fro duct unit)
D.Capacity compensation
suitable for total capability of
indoor unit group
747
746
64?
>6
?6
766
776
786
Xns`k b`o`bhsx ne hmcnnq tmhs fqnto.,/
786
766
>6
<6
:6
86
6
86 :6 <6 >6 766 786 796
G`o`bhsx
lnchehb`shnm
u`ktd
Ws`mc`qc
b`o`bhsx
BJSGMPXWBSJBUJPOSBUF
.,/
E.Fall of refrigerant pipe of indoor and outdoor unit,capacity compensation
value of pipe length
AV08NMSETA
VL
n
JOHZD\SLSHOHQJWK
ď
P
Đ
AV10NMSETA
capacity
modification
value
capacity
modification
value
VL
n
JOHZD\SLSHOHQJWK
ď
P
Đ
Single-way pipe length
m
!6.-3%4!
capacity modification value
liquid pipe
: Φ
12.7
gas pipe:
Φ
22.22
liquid pipe
: Φ
9.52
gas pipe:
Φ
19.05
liquid pipe
: Φ
12.7
gas pipe:
Φ
25.4
liquid pipe
: Φ
12.7
gas pipe:
Φ
22.22
liquid pipe
: Φ
12.7
gas pipe:
Φ
25.4
liquid pipe
: Φ
22.2
gas pipe:
Φ
28.58
8. Performance curves
33