Mitsubishi Electric MXZ-2C20NA2 Service Manual page 12

Tools for R410A (The following table shows whether conventional tools can be used or not.)
Tools and materials Use
Gauge manifold
Air purge, refrigerant charge
and operation check
Charge hose
Gas leak detector Gas leak check
Refrigerant recovery equipment Refrigerant recovery
Refrigerant cylinder Refrigerant charge
Apply to flared section
Applied oil
Prevent compressor malfunction
Safety charger when charging refrigerant by
spraying liquid refrigerant
Prevent gas from blowing out
Charge valve
when detaching charge hose
Vacuum drying and air
Vacuum pump
purge
Flare tool Flaring work of piping
Bender Bend the pipes
Pipe cutter Cut the pipes
Welder and nitrogen gas cylinder Weld the pipes
Refrigerant charging scale Refrigerant charge
Check the degree of vacuum.
Vacuum gauge or
(Vacuum valve prevents back
thermistor vacuum
flow of oil and refrigerant to
gauge and vacuum valve
thermistor vacuum gauge)
Charging cylinder Refrigerant charge
: Prepare a new tool. (Use the new tool as the tool exclusive for R410A.)
: Tools for other refrigerants can be used under certain conditions.
: Tools for other refrigerants can be used.
OBH702N
R410A tools
Tool exclusive for R410A
Tool exclusive for R410A
Tool for HFC refrigerant
Tool exclusive for R410A
Tool exclusive for R410A
Ester oil, ether oil and
alkylbenzene oil
(minimum amount)
Tool exclusive for R410A
Tool exclusive for R410A
Tools for other refrigerants can be
used if equipped with adopter for
reverse flow check
Tools for other refrigerants can be
used by adjusting flaring dimension
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants can be used
Tools for other refrigerants
can be used
Tool exclusive for R410A
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Can R22 tools be used? Can R407C tools be used?
Ester oil, ether oil:
Alkylbenzene oil:
minimum amount
(Usable if equipped with
adopter for reverse flow)
(Usable by adjusting
flaring dimension)
(Usable if equipped with
adopter for reverse flow)
(Usable by adjusting
flaring dimension)
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