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DEALER:
PHONE #:
PROBLEM:
MODEL #:
SERIAL #:
COOLING CYCLE ANALYSIS
AIR
°F
°F
COIL
Heat of Extraction/Rejection = GPM x 500 (485 for water/antifreeze) x ∆T
Note: DO NOT hook up pressure gauges unless there appears to be a performance problem.
HEATING CYCLE ANALYSIS
AIR
°F
°F
COIL
DATE:
Unit Amp Draw:
Line Voltage:
EXPANSION
VALVE
°F
LIQUID LINE
°F
PSI
BRINE IN
Unit Amp Draw:
Line Voltage:
EXPANSION
VALVE
°
F
LIQUID LINE
°F
PSI
BRINE IN
ASTON LOW SILL SERIES INSTALLATION MANUAL
Startup/Troubleshooting Form
Loop:
Open
Closed
COAX
SOURCE
°F
PSI
BRINE OUT
Loop:
Open
Closed
COAX
SOURCE
°F
PSI
BRINE OUT
41
PSI
=
SAT °F
°F
SUCTION
COMPRESSOR
REVERSING
VALVE
DISCHARGE
°
F
PSI =
SAT F
Superheat
Subcooling
PSI
=
SAT °F
°F
SUCTION
COMPRESSOR
REVERSING
VALVE
DISCHARGE
°
F
PSI =
SAT F
Superheat
Subcooling
°
°
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