Saijo Denki CVIA-80-CPF3, Service Manual

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4. Tools
(1) Required Tools for R410A
2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)
3) Tools commonly used for R410A and for conventional refrigerant (R22)
The table below shows the tools exclusive for R410A and their interchangeability
Explanation of symbols
: Newly prepared (It is necessary to use it exclusively with R410A, separately from those for R22 or R407C.)
: Former tool is available.
Saijo denki International co.,ltd.
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(6) Level vial
(3) Insulation resistance tester
(4) Electroscope
Also prepare the following equipments for other installation method and run check.
(1) Clamp meter
(2) Thermometer
R22 (Existing article) Bender Bending processing of pipes
Refrigerant recovery device Recovering refrigerant Exclusive to R410A
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.
Enter the refrigerate name for identification
Refrigerant canister Charging refrigerant
Welding machine/Nitrogen gas
cylinder
Welding of pipes R22 (Existing article)
Refrigerant charging balance Charging refrigerant R22 (Existing article)
Exclusive to R410A
Vacuum pump with counterflow
Usable if a counter-flow preventive adapter is attached
Vacuum drying R22 (Existing article)
Flare processing of pipes Flare tool Usable by adjusting size
Gas leak detector
Vacuum pump
Exclusive to R410A
Vacuum drying
Checking gas leak
Used tools
Gauge manifold
Charging hose
Charging cylinder
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 R410A (Those which cannot be used for conventional refrigerant (R22))
Proper use of tools/parts
Vacuuming, charging refrigerant Exclusive to R410A
Exclusive to R410A and operation check
Usage
Charging refrigerant Unusable (Use the Refrigerant charging balance.)
Tools exclusive for R410A (The following tools for R410A are required.)
(12)Metal saw (4) Reamer
(5) Pipe bender
(1) Vacuum pump (7) Screwdriver (+,
–)
(8) Spanner or Monkey wrench Use vacuum pump by attaching vacuum pump
adapter.
(2) Torque wrench (10)Hexagon wrench (Opposite side 4mm)
(3) Pipe cutter (11)Tape measure
(9) Hole core drill
Torque wrench Tightening flare nut Exclusive to Ø1/4
” (6.4 mm) to Ø5/8” (15.9 mm)
Pipe cutter Cutting pipes R22 (Existing article)