Charging
Charging
■Each outdoor unit is factory charged (nameplate charge) for the evaporator as well as a 7.5m(25ft) line set for each indoor line.
Any time total line set is used either shorter or longer then the nominal 22.5m(75ft: for
■Whether the line set is made shorter or longer you must adjust the charge based on how many ft of tubing are either added or removed based on 20g(0.22oz) of
| Max total | Max length of | Min length of | Max Elevation | Max elevation | Additional | |
Capacity | between each | between | |||||
length of all | each pipe | each pipe | |||||
(Btu/h) | indoor unit and | indoor units | Refrigerant | ||||
pipes (A+B+C) | (A/B/C) | (A/B/C) | |||||
| outdoor unit (h1) | (h2) |
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24k | 30m(100ft) | 15m(50ft) | 3m(10ft) | 7.5m(25ft) | 7.5m(25ft) | 20g/m(0.22oz/ft) | |
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36k | 45m(150ft) | 15m(50ft) | 3m(10ft) | 7.5m(25ft) | 7.5m(25ft) | 20g/m(0.22oz/ft) |
Example: A 80ft line set is used for tri - zone 5 additional ft X 0.22 ounces per foot= add 1.1 ounces of
Important:(Unit is critically charge)
If you are ever uncertain of the unit charge, reclaim, evacuate and weigh in the correct charge using the unit nameplate charge adjusting for line sets longer or shorter than 7.5m(25ft) for each indoor unit.
Installation Manual 27