Tools For R410A - Mitsubishi Electric PUMY-P250YBM Technical & Service Manual

3 Tools for R410A (The following table shows whether conventional tools can be used or not.)
Tools and materials
Gauge manifold
Charge hose
Gas leak detector
Refrigerant recovery equipment
Refrigerant cylinder
Applied oil
Safety charger
Charge valve
Vacuum pump
Flare tool*
Bender
Pipe cutter*
Welder and nitrogen gas cylinder
Refrigerant charging scale
Vacuum gauge or thermistor
vacuum gauge and vacuum
valve
Charging cylinder
: 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.
* Follow the instructions below to prevent abrasive components contained in sandpaper and cutting tools from entering the
refrigerant circuit because those components can cause failures of the compressor and valves.
• To deburr pipes, use a reamer or other deburring tools, not sandpaper.
• To cut pipes, use a pipe cutter, not a grinder or other tools that use abrasive materials.
• When cutting or deburring pipes, do not allow cutting chips or other foreign matters to enter the pipes.
• If cutting chips or other foreign matters enter pipes, wipe them off the inside of the pipes.
OCH760
Use R410A tools
Tool exclusive for R410A
Air purge, refrigerant charge
and operation check
Tool exclusive for R410A
Gas leak check Tool for HFC refrigerant
Refrigerant recovery Tool exclusive for R410A
Refrigerant charge Tool exclusive for R410A
Ester oil, ether oil and
Apply to flared section
alkylbenzene oil
(minimum amount)
Prevent compressor
malfunction when charging
Tool exclusive for R410A
refrigerant by spraying
liquid refrigerant
Prevent gas from blowing
out
Tool exclusive for R410A
when detaching charge
hose
Tools for other refrigerants
Vacuum drying and air can be used if equipped
purge with adopter for reverse
flow check
Tools for other refrigerants
Flaring work of piping can be used by adjusting
flaring dimension
Tools for other refrigerants
Bend the pipes
can be used
Tools for other refrigerants
Cut the pipes
can be used
Tools for other refrigerants
Weld the pipes
can be used
Tools for other refrigerants
Refrigerant charge
can be used
Check the degree of vacuum.
(Vacuum valve prevents back Tools for other refrigerants
flow of oil and refrigerant to can be used
thermistor vacuum gauge)
Refrigerant charge Tool exclusive for R410A
Can R22 tools be used?
(Usable if equipped with
adopter for reverse flow)
(Usable by adjusting
flaring dimension)
5
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)
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