Service manual

6-4
PRESSURE CURVES
SM CINCO 1-A.1 GB
6.5 Calculation Example
Outdoor Unit
Cinco DCI
Indoor Combination
LEX009+LEX009+LEX009+CK009+LEX018
Operation Mode
Cooling Mode
Conditions Indoor
22°CDB/15°WB
Conditions Oudoor
30°CDB
Tubing length
20m+10m+10m+5m+15m
Cooling Pressure calculation:
Pressure [Barg] = Nominal x F
C
x F
T
Unit Code
Room A – LEX009 1.0
Room B – LEX009 1.0
Room C – LEX009 1.0
Room D – CK009 1.0
Room E – LEX018 2.0
ODU Code (Total) 6.0
Nominal Pressure
[Barg]
ODU
Code
Factor
(F
C
)
Tubing
Length
Factor
(F
T
)
Corrected Pressure [Barg]
Discharge 24.5 1.02 1.005 Pd= 24.5 x 1.02 x 1.005 = 25.11
Suction 9.0 1.07 0.988 Ps= 9.0 x 1.07 x 0.988 = 9.51