Webasto Thermosysteme Roof-top air-conditioning system CC4E
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Low pressure gauge indication too low:
– Intake or delivery line restricted, e.g. by kinks
– Expansion valve defective
– Not enough refrigerant (check viewglass)
– Evaporator air flow restricted
6.7. Repairs
IMPORTANT
Refrigerant must never be discharged into the atmosphere (refer to
Section 8 of the regulation dated 6 May 1991 banning the use of CFCs and
halones).
NOTE
The safety precautions and regulations contained in chapter 1.4 and 6.2
must be observed.
Only genuine spare parts may be used for repairs and the original condition
must be restored.
a) Always use genuine spare parts or standard parts for repairs.
b) The system's original condition must always be restored when performing repairs.
IMPORTANT
Refrigerant must never be discharged into the atmosphere (refer to
Section 8 of the regulation dated 6 May 1991 banning the use of CFCs and
halones).
WARNING
The safety instructions for handling refrigerant (see chapter 1.4) must be
observed.
c) Before opening / disassembling components in the refrigerant circuit, the refrigerant must be
drained into the recycling cylinder provided and disposed of properly or reused.
d) After completing repairs on the refrigerant circuit, the system must be
– evacuated with evacuation devices, see operating instructions,
– filled with refrigerant, see chapter 3.1,
– tested, see chapter 6.8.
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