
Before You Start
Contacng Ritchie
To order accessories, receive assistance, or
locate the nearest YELLOW JACKET distributor.
Safety Informaon
Use the instrument only as specified in this
manual. Otherwise, the protecon provided by
the instrument may be impaired. Refer to the
safety informaon.
A Warning idenfies condions and acons
that pose hazards to the user. A Cauon
idenfies condions and acons that may
damage the instrument or the equipment
under test.
Warning
To avoid personal injury or death, follow these
guidelines:
Most governments and legal authories
require that HVAC technicians be
trained and cerfied in the safe and
proper operaon of HVAC tools, such as
this instrument. Since this tool may be
connected to many types of equipment
through a limitless combinaon of hoses
and fings, proper training is the most
important element of using this tool
safely.
Read the enre Users Manual before
using the instrument.
Use the instrument only as described in
this Users Manual, otherwise the
protecon provided by the equipment
may be impaired.
Do not use the instrument if it is
damaged. Before you use the
instrument, inspect the case. Look for
cracks or loose components.
The instrument contains no internal
user serviceable parts
Do not open the instrument.
Have the instrument serviced only by
Ritchie Engineering Co. or authorized
service centers.
Do not use the instrument if it operates
abnormally. Protecon may be
impaired. When in doubt, have the
instrument serviced.
Do not operate the instrument around
explosive gas, vapor, or dust.
Various refrigerants have been
intenonally excluded for very
significant safety reasons.
Never use refrigerants in this
instrument that are not listed in the Set-
up menu.
The refrigerant database in this unit
may include refrigerants classified as
flammable. If such refrigerants are
selected, the operator may need
addional cerficaons and/or training.
Consult your government and legal
authority and comply fully with all
requirements.
Always wear eye and skin protecon
when working with refrigerants.
Escaping refrigerant vapors will present
afreezing danger. Do not direct
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