R-407c R-22
1. Refrigerant charging procedure
2. Refrigerant composition
3. Partial refrigerant charge
4. Leak detector
5. Temperature trend in evaporate
6. Temperature trend in condenser
NOT PERMITTED!
Only complete refrigerant charge
YES!
Possible partial refrigerant charge
Use only HFC detector
Use only HCFC detector
2 Main differences between R-407c and R22 refrigerant
R-407c
{
R32 23%
R125 25%
R-134a 52%
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