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Trane PTHC-090 User Manual

Trane PTHC-090
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PTEC-M-1A
24
Refrigeration
System
Refrigeration System Service
WARNING!
Brazing requires high temperatures.
Take precaution to protect against
personal injury or property damage.
To avoid the risk of fire, the
refrigeration system must be kept
free from contamination due to the
presence of air. Follow these
instructions exactly.
To avoid the risk of burns, property
damage, personal injury or death, do
not plug in this product or apply
power to the compressor if the
compressor terminal cover has been
removed or is not firmly in place.
Important Note:
Effective July 1,1992: before opening
any refrigerant system, it is the
responsibility of the service
technician to capture the refrigerant
for safe disposal.
Refer to the cooling and heater
performance charts in this section
for capacity test procedure.
A step-by-step procedure for
determining source of trouble,
suggested method and normal
values are provided in the Diagnosis
Charts.
Service operations requiring
opening of the hermetically sealed
refrigeration system should not be
performed in the home. The unit
must be taken to a well equipped
shop where special equipment for
evacuating, dehydrating, charging
and testing is available. The
following equipment is necessary:
Equipment to use dry nitrogen of
no more than 0.0012 grains of
moisture.
Vacuum pump capable of
evacuating to a minimum of 50
microns.
Micron gauge to check vacuum.
Refrigerant charging cylinder
accurate to within 1/4 oz.
Electronic leak detector
Electrical equipment to test -
compressors, capacitors, voltage
relays and overload protectors
Electrical test board or portable
equipment, including: volt meter,
ammeter, and watt meter £ Silver
soldering and brazing equipment -
Pinch off tools 1/4" to 5/8".
Thermocouple tester.

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Trane PTHC-090 Specifications

General IconGeneral
BrandTrane
ModelPTHC-090
CategoryAir Conditioner
LanguageEnglish

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