Nibe SPLIT AMS 10, Техническое руководство

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CONDITIONS FOR STOPPING DEFROSTING
If any of the following conditions are met, defrosting stops (does not apply to AMS 10-6).
• 8 minutes and 20 seconds after defrosting start.
• When the evaporation temperature Tho-R1 or -R2 (whichever is the lowest) is higher than 12 °C.
• The outdoor unit goes into protection mode.
Stop conditions AMS 10-6
If any of the following conditions are met, defrosting stops:
• 16 minutes and 35 seconds have passed after the 4-way valve has switched to defrosting.
• When the evaporation temperature Tho-R1 or -R2 (whichever is the lowest) is higher than 10 °C.
• The outdoor unit goes into protection mode.
Defrosting diagram AMS10-6
Compr. speed
FAN
4-way valve
ON
OFF
1rps / 10s
Only in defrost operation
10s
ON
Defrost timing chart (AMS10-6)
Defrost end
condition fulfilled
5s
10s
ON
OFF
Upper limit 55rps
20rps (Tho-A ≥ 0°C)
12rps (Tho-A < 0°C)
90s 10s
100s
Defrost start
Tho-A ≥ 0°C
Tho-A < 0°C
140s or 10s after Tho-R ≥-20°C
0rps
Fan speed 6 th
Fan speed 1 st or 2 nd
Normal
control
Tho-R ≤ 5°C
EEV
5s
120s 60s 60s 60s
470 pulse
pulse 400
pulse 300
pulse 200
pulse 100
0 pulse
120s Max 16.5 min.
Explanation Shortening
Temperature sensor, outdoor air Tho-A
Temperature sensor, hot gas Tho-D
Temperature sensor, evaporation Tho-R
NIBE AMS10 Chapter 4 | Description of functions 22