Tools exclusive for
R32 or R410A
(The following tools for R32 or R410A are required.)
Tools whose specifications
are
changed for
R32 or R410A
and their interchangeability
R32 or R410A
air conditioner installation
Conventional air
conditioner installation
No.
Used tool
Usage
Existence of
Whether conventional
equipment can be used
Whether
conventional equipment
can be used
new equipment
for
R32 or R410A
Flare tool
Pipe flaring
Yes
Yes
Copper pipe gauge
for adjusting
projection margin
Flaring by
conventional flare tool
Yes
Torque wrench
Tightening of flare nut
Yes
No
No
Gauge manifold
Evacuating, refrigerant
charge, run check, etc.
Yes
No
No
Charge hose
Vacuum pump adapter
Vacuum evacuating
Yes
No
Yes
Electronic balance for
refrigerant charging
Refrigerant charge
Yes
Yes
Yes
Refrigerant cylinder
Refrigerant charge
Yes
No
No
Leakage detector
Gas leakage check
Yes
No
Yes
(Note)
When flaring is carried out for
R32 or R410A
using the conventional flare tools, adjustment of projection
margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.
4.
Tools
1.
Required Tools for
R32 or R410A
Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary,
etc. Accordingly, the tools to be used are classified into the following three types.
1)
Tools exclusive for
R32 or R410A
(Those which cannot be used for conventional refrigerant (R22))
2)
Tools exclusive for
R32 or R410A
, but can be also used for conventional refrigerant (R22)
3)
Tools commonly used for
R32 or R410A
and for conventional refrigerant (R22)
The table below shows the tools exclusive for
R32 or R410A
and their interchangeability.
General tools (Conventional tools can be used.)
In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary
as the general tools.
1) Vacuum pump. Use vacuum pump by
attaching vacuum pump adapter.
7) Screwdriver (+, –)
2) Torque wrench
8) Spanner or Monkey wrench
3) Pipe cutter
9) Hole core drill
4) Reamer
10) Hexagon wrench (Opposite side 4mm)
5) Pipe bender
11) Tape measure
6) Level vial
12) Metal saw
Also prepare the following equipments for other installation method and run check.
1) Clamp meter
3) Insulation resistance tester (Megger)
2) Thermometer
4) Electroscope
* (Note)
* (Note)
* (Note)
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