35
1.00
0.998
0.995
0.993
0.990
0.988
0.985
0.983
0.980
0.978
1.00
0.998
0.995
0.993
0.990
0.988
0.985
0.983
0.980
0.978
1.00
0.998
0.995
0.993
0.990
0.988
0.985
0.983
0.980
0.978
1.00
0.998
0.955
0.993
0.990
0.988
0.985
0.983
0.980
0.978
Heating performance curve(50Hz)
1.4
1.2
1.0
15
20
25
25
20
15
0.8
0.6
0.4
1.4
1.2
1.0
0.8
0.6
0.4
-12 -10
-5
0
5
10
15
INDOOR
D.B.(
°
C)
INDOOR
D.B.(
°
C)
OUTDOOR W.B.(
°
C)
CAP
ACITY
(RA
T
IO)
T
O
T
A
L
INPUT
(RA
T
IO)
Correcting the capacity line influenced by frosting
Not correcting the capactiy line influenced by frosting
1.00
0.981
0.968
0.952
0.940
0.925
0.913
0.900
0.886
0.874
1.00
0.989
0.980
0.970
0.960
0.950
0.940
0.930
0.920
0.910
1.00
0.981
0.968
0.952
0.940
0.925
0.913
0.900
0.886
0.874
1.00
0.975
0.955
0.935
0.918
0.900
0.884
0.869
0.855
0.840
Cooling capacity correction factors
Service Ref.
Refrigerant piping length (one way)
5m
10m
15m
20m
25m
30m
35m
40m
45m
50m
Cooling performance curve(50Hz)
1.4
1.2
1.0
0.8
10
22
20
18
16
22
20
18
16
20
30
46
40
0
-5
1.2
1.0
0.8
0.6
0.4
INDOOR
W.B.(
°
C)
CAP
ACITY
(RA
TIO)
T
O
T
A
L
INPUT
(RA
TIO)
INDOOR
W.B.(
°
C)
OUTDOOR D.B.(
°
C)
Heating capacity correction factors
Service Ref.
Refrigerant piping length (one way)
5m
10m
15m
20m
25m
30m
35m
40m
45m
50m
2. PERFORMANCE CURVE
PLH-P3AAH.UK
PLH-P3AAH
1
.UK
PLH-P4AAH.UIK
PLH-P4AAH
1
.UK
PLH-P5AAH.UK
PLH-P5AAH
1
.UK
PLH-P6AAH.UK
PLH-P6AAH
1
.UK
PLH-P3AAH.UK
PLH-P3AAH
1
.UK
PLH-P4AAH.UK
PLH-P4AAH
1
.UK
PLH-P5AAH.UK
PLH-P5AAH
1
.UK
PLH-P6AAH.UK
PLH-P6AAH
1
.UK
1.3
Correction factors
OC236(181A)---2.qxp 01/9/27 5:31 PM Page 35
