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II-8
SM831148
2. Processes and functions
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Defrost control
Defrost sequence
Heating operation
(25-minute mask)
Frost detection
Defrost start
(reverse cycle defrost)
Defrost in progress
Defrost cancel
Start-up operation
Operating frequency: 61.8 Hz
Outdoor unit fan: OFF
Electronic control valve: step 300
4-way valve: OFF
Indoor unit fan: OFF
Defrost control
(1) Frost detection
1. Outdoor heat exchanger temperature (C1) method (15-minute mask after operation start)
2. Outdoor air temperature is 7°F or above and outdoor heat exchanger temperature (C1) of 0°F or below is
detected continuously for 20 seconds.
3. Outdoor air temperature is below 7°F and outdoor heat exchanger temperature (C1) of below (outdoor air
temperature -10)°F is detected continuously for 20 seconds.
(2) Defrost cancel
• Defrost end conditions
1. Outdoor heat exchanger temperature (C1) rises to 54°F or higher.
2. Outdoor heat exchanger temperature is 45°F or higher continuously for 1 minute.
3. Defrost time of 10 minutes has elapsed.
(3) Startup operation
After defrost ends, the compressors and outdoor unit fan stop for approximately 40 seconds, then operation begins
in heating mode.
Содержание 000 BTU Ductless Single Zone Mini-Split Wall-Mounted Heat Pump
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Страница 77: ...1 2 3 4 5 6 I 73 SM831148 1 Specifications 1 4 Dimensional Data B Outdoor Unit CH4272R C4272R ...
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Страница 119: ...III 1 SM831148 3 Electrical data 1 2 3 4 5 6 3 ELECTRICAL DATA 3 1 Indoor Units III 2 3 2 Outdoor Units III 16 ...
Страница 122: ...1 2 3 4 5 6 III 4 SM831148 3 Electrical data Ceiling Mounted Type TH2672R TH3672R TH4272R Electric Wiring Diagram ...
Страница 123: ...III 5 SM831148 3 Electrical data 1 2 3 4 5 6 Ceiling Mounted Type TH2672R TH3672R TH4272R Schematic Diagram ...
Страница 124: ...1 2 3 4 5 6 III 6 SM831148 3 Electrical data Ceiling Mounted Type THH2672R THH3672R Electric Wiring Diagram ...
Страница 125: ...III 7 SM831148 3 Electrical data 1 2 3 4 5 6 Ceiling Mounted Type THH2672R THH3672R Schematic Diagram ...
Страница 126: ...1 2 3 4 5 6 III 8 SM831148 3 Electrical data Concealed Duct Type UH2672R UH3672R Electric Wiring Diagram ...
Страница 127: ...III 9 SM831148 3 Electrical data 1 2 3 4 5 6 Concealed Duct Type UH2672R UH3672R Schematic Diagram ...
Страница 128: ...1 2 3 4 5 6 III 10 SM831148 3 Electrical data Wall Mounted Type KH2672R ...
Страница 129: ...III 11 SM831148 3 Electrical data 1 2 3 4 5 6 Wall Mounted Type KH2672R Schematic Diagram ...
Страница 130: ...1 2 3 4 5 6 III 12 SM831148 3 Electrical data Wall Mounted Type KH3072R KH3672R Electric Wiring Diagram ...
Страница 131: ...III 13 SM831148 3 Electrical data 1 2 3 4 5 6 Wall Mounted Type KH3072R KH3672R Schematic Diagram ...
Страница 132: ...1 2 3 4 5 6 III 14 SM831148 3 Electrical data Wall Mounted Type KHH2672R Electric Wiring Diagram ...
Страница 133: ...III 15 SM831148 3 Electrical data 1 2 3 4 5 6 Wall Mounted Type KHH2672R Schematic Diagram ...
Страница 134: ...1 2 3 4 5 6 III 16 SM831148 3 Electrical data 3 2 Outdoor Units CH2672R Electric Wiring Diagram ...
Страница 135: ...III 17 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units CH2672R Schematic Diagram ...
Страница 136: ...1 2 3 4 5 6 III 18 SM831148 3 Electrical data 3 2 Outdoor Units C2672R Electric Wiring Diagram ...
Страница 137: ...III 19 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units C2672R Schematic Diagram ...
Страница 138: ...1 2 3 4 5 6 III 20 SM831148 3 Electrical data 3 2 Outdoor Units CH3072R CH3672R Electric Wiring Diagram ...
Страница 139: ...III 21 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units CH3072R CH3672R Schematic Diagram ...
Страница 140: ...1 2 3 4 5 6 III 22 SM831148 3 Electrical data 3 2 Outdoor Units C3072R C3672R Electric Wiring Diagram ...
Страница 141: ...III 23 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units C3072R C3672R Schematic Diagram ...
Страница 142: ...1 2 3 4 5 6 III 24 SM831148 3 Electrical data 3 2 Outdoor Units CH4272R Electric Wiring Diagram ...
Страница 143: ...III 25 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units CH4272R Schematic Diagram ...
Страница 144: ...1 2 3 4 5 6 III 26 SM831148 3 Electrical data 3 2 Outdoor Units C4272R Electric Wiring Diagram ...
Страница 145: ...III 27 SM831148 3 Electrical data 1 2 3 4 5 6 3 2 Outdoor Units C4272R Schematic Diagram ...
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