Heat Controller HP Series Installation, Operation & Maintenance Manual page 49

Packaged Unit Refrigeration Schematic
Customer: _____________________________________ Antifreeze: ________________________
Heat Controller, Inc.
Model#: ________________________ Serial#: ________________ Loop type: _______________
Complaint: ________________________________________________________________________
HEATING CYCLE ANALYSIS -
°F
Refrigerant Type :
R-410A
R22
FP2: HEATING
LIQUID LINE
COOLING CYCLE ANALYSIS -
°F
Heat of Extraction (Absorption) or Heat of Rejection =
________ flow rate (
=
Superheat
=
Subcooling
Note: Never connect refrigerant gauges during startup procedures. Conduct water-side analysis
using P/T ports to determine water flow and temperature difference. If water-side analysis shows
poor performance, refrigerant troubleshooting may be required. Connect refrigerant gauges as a
last resort.
42
TROUBLESHOOTING FORM
AIR
COIL
°F
EXPANSION
VALVE
°F
°F
FLASH
GAS LINE
AIR
COIL
°F
EXPANSION
VALVE
°F
°F
FP2: FLASH OTHER SIDE FP1: CLG
OF FILTR DR
GAS LINE LIQ LINE
gpm) x ________ temp.
Suction temperature - suction saturation temp.
Discharge saturation temp. - liquid line temp.
HP SerieS
COAX
°F
FP1 °F
SENSOR
PSI
WATER IN WATER OUT
COAX
°F
°F
PSI
WATER IN WATER OUT
diff. ( deg. F) x ________ fluid
†
Use 500 for water, 485 for antifreeze.
48
Installation, Operation & Maintenance
PSI
°F
HWG
PSI
°F
PSI
Look up pressure drop in
I.O.M. or spec. catalog to
determine flow rate.
PSI
°F
HWG
PSI
°F
PSI
Look up pressure drop in
I.O.M. or spec. catalog to
determine flow rate.
factor = _____________
†
=
(deg F)
=
(deg F)
Rev. 3/04
SAT
SUCTION
COMPRESSOR
DISCHARGE
°F
SAT
SAT
SUCTION
COMPRESSOR
DISCHARGE
°F
SAT
(Btu/hr)