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Necessary Tools And Materials - Mitsubishi Electric CAHV-P500YA-HPB Service Handbook

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[ I Read Before Servicing ]

[2] Necessary Tools and Materials

Prepare the following tools and materials necessary for servicing the unit.
Tools for use with R407C (Adaptability of tools that are for use with R22 or R410A)
1. To be used exclusively with R407C (not to be used if used with R22 or R410A)
Tools/Materials
Gauge Manifold
Charging Hose
Refrigerant Recovery Cylinder
Refrigerant Cylinder
Charging Port on the Refrigerant Cylinder Refrigerant charging
2. Tools and materials that may be used with R407C with some restrictions
Tools/Materials
Gas Leak Detector
Vacuum Pump
Refrigerant Recovery Equipment
3. Tools and materials that are used with R22 or R410A that may also be used with R407C
Tools/Materials
Vacuum Pump with a Check Valve
Bender
Torque Wrench
Pipe Cutter
Welder and Nitrogen Cylinder
Refrigerant Charging Meter
Vacuum Gauge
4. Tools and materials that must not be used with R407C
Tools/Materials
Charging Cylinder
Tools for R407C must be handled with special care to keep moisture and dust from infiltrating the cycle.
HWE10060
Use
Evacuation and refrigerant charging
Evacuation and refrigerant charging
Refrigerant recovery
Refrigerant charging
Use
Gas leak detection
Vacuum drying
Refrigerant recovery
Use
Vacuum drying
Bending pipes
Tightening water pipes
Cutting pipes
Welding pipes
Refrigerant charging
Vacuum level check
Use
Refrigerant charging
- 4 -
Notes
Higher than 4.82MPa on the high-
pressure side
The refrigerant type is indicated. The
cylinder is Gray
Notes
The ones for use with HFC refrigerant
may be used.
May be used if a check valve adapter
is attached.
May be used if compatible with
R407C.
Notes
Notes
Prohibited to use
GB

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