Troubleshooting Form - Heat Controller HKV Installation, Operation & Mainenance Manual

IOM Instructions
Packaged Unit Refrigeration Schematic
Location: ________________________
Customer: _____________________________________ Antifreeze: ________________________
Model Number: ________________________
Model#: ________________________ Serial#: ________________ Loop type: _______________
Serial Number: ________________________
Complaint: ________________________________________________________________________
Date: ________________________
HEATING CYCLE ANALYSIS -
Refrigerant Type:
R410A
R22
R407C
Voltage: ________
Comp Amps: _______
Total Amps: ________
COAX
*Filter drier not on some units with R22 refrigerant.
COOLING CYCLE ANALYSIS -
°F
FP1
°F
SENSOR
PSI
WATER IN WATER OUT
COAX
°F
Heat of Extraction (Absorption) or Heat of Rejection =
°F
________ flow rate (
PSI
WATER IN WATER OUT
Superheat =
=
Subcooling
Use 500 for water, 485 for antifreeze.
deg. F) x ________ fluid
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.
AIR
COIL
°F
PSI
EXPANSION
°F
°F
FP2: HEATING
LIQUID LINE GAS LINE
HWG
PSI
°F
PSI
Look up pressure drop in
AIR
I.O.M. or spec. catalog to
COIL
determine flow rate.
°F
PSI
EXPANSION
°F
°F
OTHER SIDE
FP2: FLASH
GAS LINE OF FILTR DR
HWG
PSI
°F
gpm) x ________ temp.
PSI
Look up pressure drop in
I.O.M. or spec. catalog to
Suction temperature - suction saturation temp.
determine flow rate.
Discharge saturation temp. - liquid line temp.
factor = _____________
(Btu/hr)
(deg F)
(deg F)
Model Number: ________________________
Serial Number: ________________________
HKV LArge CommerCiAL
°F
SAT
FILTER
VALVE DRIER*
SUCTION
COMPRESSOR
°F °F
FLASH
FP1
SENSOR
DISCHARGE
WATER IN
°F
SAT
°F
SAT
FILTER
VALVE DRIER*
SUCTION
COMPRESSOR
°F
°F
FP1: CLG
DISCHARGE LIQ LINE
WATER IN
°F
SAT
diff. ( deg. F) x ________ fluid
Rev. 12/08
45
Date: ________________________

Troubleshooting Form

COAX
HWG
°F °F
PSI PSI
Look up pressure drop in
WATER OUT
I.O.M. or spec. catalog to
determine flow rate.
COAX
HWG
°F °F
PSI PSI
Look up pressure drop in
WATER OUT
I.O.M. or spec. catalog to
determine flow rate.
factor = _____________
=
(deg F)
=
(deg F)
Heat Controller, Inc.
PSI
SAT
°F
SUCTION
COMPRESSOR
DISCHARGE
°F
PSI
SAT
PSI
SAT
°F
SUCTION
COMPRESSOR
DISCHARGE
°F
PSI
SAT
(Btu/hr)
Rev. 12/08