Charge Verification
WARNING
REFRIGERANT UNDER PRESSURE!
•Do not overcharge system with refrigerant.
•Do not operate unit in a vacuum or at negative pres-
sure.
Failure to follow proper procedures may cause property damage, personal injury or death.
CAUTION
Use refrigerant certified to AHRI standards. Use of used refrigerant may cause compressor damage that is not covered under warranty. Most portable machines cannot clean used refrigerant to meet AHRI standards.
NOTICE
CAUTION
Operating the compressor with the suction valve closed may cause serious compressor damage.
Final Charge Adjustment
The outdoor temperature must be 60°F or higher. Set the room thermostat to COOL, fan switch to AUTO, and set the tem- perature control well below room temperature.
After system has stabilized per startup instructions, check subcooling and superheat as detailed in the following section.
VIOLATION OF EPA REGULATIONS MAY RESULT IN
FINES OR OTHER PENALTIES
SYSTEM SUPERHEAT
Outdoor |
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Dry Bulb |
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55 | 57 | 59 | 61 | 63 | 65 | 67 | 69 | 71 | ||
Temperature, °F | ||||||||||
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60 | 10 | 13 | 17 | 20 | 23 | 26 | 29 | 30 | 31 | |
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65 | 8 | 11 | 14 | 16 | 19 | 22 | 26 | 27 | 29 | |
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70 | 5 | 8 | 10 | 13 | 15 | 19 | 23 | 24 | 25 | |
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75 | 6 | 9 | 11 | 15 | 20 | 21 | 23 | |||
80 | 7 | 12 | 17 | 18 | 20 | |||||
85 | 8 | 13 | 15 | 16 | ||||||
90 | 5 | 10 | 11 | 13 | ||||||
95 | 5 | 8 | 10 | |||||||
100 | 5 | 8 | ||||||||
105 | 5 | |||||||||
110 | ||||||||||
115 | ||||||||||
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