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ClimateMaster DC Series Installation Manual Page 49

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  • TROUBLESHOOTING
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49
Residential H&V - 60Hz R22 &R410A
Rev.: 22 Dec, 2008
climatemaster.com
Troubleshooting Form
Packaged Unit Refrigeration Schematic
Customer: _____________________________________
Antifreeze: ________________________
Model#: ________________________ Serial#: ________________ Loop type: _______________
Complaint: ________________________________________________________________________
COAX
COMPRESSOR
DISCHARGE
SUCTION
HWG
COOLING CYCLE ANALYSIS -
COAX
COMPRESSOR
DISCHARGE
SUCTION
HWG
HEATING CYCLE ANALYSIS -
PSI
SAT
PSI
SAT
°F
°F
AIR
COIL
°F °F
FP2: HEATING
LIQUID LINE
°F
EXPANSION
VALVE
AIR
COIL
°F °F
PSI
SAT
PSI
SAT
°F
°F
°F °F
WATER IN WATER OUT
PSI PSI
°F °F
WATER IN WATER OUT
PSI PSI
Look up pressure drop in
I.O.M. or spec. catalog to
determine flow rate.
Look up pressure drop in
I.O.M. or spec. catalog to
determine flow rate.
FILTER
DRIER*
FLASH
GAS LINE
°F
FP1
SENSOR
°F
EXPANSION
VALVE
FILTER
DRIER*
FP2: FLASH
GAS LINE
°F
OTHER SIDE
OF FILTR DR
°F
FP1: CLG
LIQ LINE
°F
*Filter drier not on some units with R22 refrigerant.
Refrigerant Type:
R410A
R22
R407C
Heat of Extraction (Absorption) or Heat of Rejection =
________ flow rate ( diff. ( factor = _____________
(Btu/hr)
Superheat
Subcooling
Suction temperature - suction saturation temp.
Discharge saturation temp. - liquid line temp.
=
=
=
=
(deg F)
(deg F)
gpm) x ________ temp. deg. F) x ________ fluid
†
Date: ________________________
Voltage: ________
Comp Amps: _______
Total Amps: ________
Note: Never connect refrigerant gauges during startup procedures. Conduct water-side analysis using P/T ports to determine
water fl ow and temperature difference. If water-side analysis shows poor performance, refrigerant troubleshooting may be
required. Connect refrigerant gauges as a last resort.
Section 10 - Packaged IOM 49 4/24/09 3:16:56 PM
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