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Evacuation Instructions
9. Leak Test and Air Evacuation
Super Slim Four-Way Cassette
Note on Adding Refrigerant
CAUTION
• Refrigerant charging must be performed after wiring, vacuuming and the leak test.
•
DO NOT
exceed the maximum allowable quantity of refrigerant or overcharge the system. Doing so can damage or
impact the unit’s function.
• Charging with unsuitable substances may cause explosions or accidents. Ensure that the appropriate refrigerant is used.
• Refrigerant containers must be opened slowly. Always use protective gear when charging the system.
•
DO NOT
mix refrigerants types.
• Some systems require additional charging depending on pipe lengths. The standard pipe length is 15m
• The additional refrigerant to be charged can be calculated using the following formula:
Additional Refrigerant Per Pipe Length
Model
URC-071AS /
CRE-071AS
URC-100AS /
CRE-100AS
URC-110AS /
CRE-110AS
URC-140AS /
CRE-140AS
Refrigerant Type
Refrigerant Charge (grams)
2900
3800
4500
4900
Pre-charged Length (metres)
15
Additional Refrigerant per meter
(grams/metres)
30
Liquid Pipe
9.52mm (3/8")
9.52mm (3/8")
9.52mm (3/8")
9.52mm (3/8")
Gas Pipe
15.9mm (5/8")
15.9mm (5/8")
15.9mm (5/8”)
15.9mm (5/8”)
Summary of Contents for Cascade CRE-071AS
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