Carrier Aquazone 50RHE 042 - Page 31

31
Heating cycle analysis
Cooling cycle analysis
Heat of extraction (absorption) or heat of rejection =
________ Flow rate (l/s) x ________ Temp. difference (K) x ________ Fluid factor* = ________
(kW)
Superheat = Suction temperature - suction dew point temperature
= ________ (K)
Subcooling = Discharge bubble point temperature - liquid line temperature
= ________ (K)
* Use 4.16 for water, 4.03 for anti-freeze
SUCTION
COMPRESSOR
DISCHARGE
COAX
EXPANSION
VALV E
°C
°C
AIR
COIL
°C
kPa
°C
kPa
LOOK UP PRESSURE DROP IN TABLE 10
TO DETERMINE FLOW RATE
°C
LIQUID LINE
kPa
°C
DEW
POINT
Air
coil
Expansion
valve
Heat
exchanger
Look up pressure drop in Table 10
to determine flow rate
Dew point
Suction
Compressor
Discharge
SUCTION
COMPRESSOR
DISCHARGE
COAX
EXPANSION
VALVE
°C
°C
AIR
COIL
°C
kPa
°C
kPa
LOOK UP PRESSURE DROP IN TABLE 10
TO DETERMINE FLOW RATE
°C
LIQUID LINE
kPa
°C
DEW
POIN
T
Air
coil
Expansion
valve
Water in Water out
Heat
exchanger
Look up pressure drop in Table 10
to determine flow rate
Dew point
Suction
Compressor
Discharge
Liquid line
Liquid line
Water in Water out