Ball Valve; Pressure Switch - Fujitsu R407C Service Manual

BALL VALVE

• Review material O-ring, valve core seal for securing suitability with oil.
CAUTION
Check if the valve is suitable for the refrigerant (model) when replacing.
DRYER
• Change desiccant (XH-6
CAUTION
Complete welding within one hour after the package of dryer is opened.

PRESSURE SWITCH

• Adopt the models which can ensure higher reliability.
CAUTION
Check if the pressure switch is suitable for the refrigerant type when replacing.
OTHER PIPING
• Review the water, contaminants controlling level.
• Review thickness of pipes.
CAUTION
During storage, due care must be taken so that foreign matters such as dust and water do not enter.
XH-10). Volume of desiccant is increased.
06-17