Mitsubishi P336 Manuale Utente
[
I Read Before Servicing ]
- 4 -
HWE09120
GB
[2] Necessary Tools and Materials
Prepare the following tools and materials necessary for installing and servicing the unit.
Tools for use with R410A (Adaptability of tools that are for use with R22 or R407C)
1. To be used exclusively with R410A (not to be used if used with R22 or R407C)
2. Tools and materials that may be used with R410A with some restrictions
3. Tools and materials that are used with R22 or R407C that may also be used with R410A
4. Tools and materials that must not be used with R410A
Tools for R410A must be handled with special care to keep moisture and dust from infiltrating the cycle.
Tools/Materials
Use
Notes
Gauge Manifold
Evacuation and refrigerant charging
Higher than 5.09MPa[738psi] on the
high-pressure side
high-pressure side
Charging Hose
Evacuation and refrigerant charging
The hose diameter is larger than the
conventional model.
conventional model.
Refrigerant Recovery Cylinder
Refrigerant recovery
Refrigerant Cylinder
Refrigerant charging
The refrigerant type is indicated. The
cylinder is pink.
cylinder is pink.
Charging Port on the Refrigerant Cylinder Refrigerant charging
The charge port diameter is larger
than that of the current port.
than that of the current port.
Flare Nut
Connection of the unit with the pipes
Use Type-2 Flare nuts.
Tools/Materials
Use
Notes
Gas Leak Detector
Gas leak detection
The ones for use with HFC refrigerant
may be used.
may be used.
Vacuum Pump
Vacuum drying
May be used if a check valve adapter
is attached.
is attached.
Flare Tool
Flare processing
Flare processing dimensions for the
piping in the system using the new re-
frigerant differ from those of R22. Re-
fer to I [3] Piping Materials
piping in the system using the new re-
frigerant differ from those of R22. Re-
fer to I [3] Piping Materials
Refrigerant Recovery Equipment
Refrigerant recovery
May be used if compatible with
R410A.
R410A.
Tools/Materials
Use
Notes
Vacuum Pump with a Check Valve
Vacuum drying
Bender
Bending pipes
Torque Wrench
Tightening flare nuts
Only the flare processing dimensions
for pipes that have a diameter of
ø12.70 (1/2") and ø15.88 (5/8") have
been changed.
for pipes that have a diameter of
ø12.70 (1/2") and ø15.88 (5/8") have
been changed.
Pipe Cutter
Cutting pipes
Welder and Nitrogen Cylinder
Welding pipes
Refrigerant Charging Meter
Refrigerant charging
Vacuum Gauge
Vacuum level check
Tools/Materials
Use
Notes
Charging Cylinder
Refrigerant charging
Prohibited to use