MDV MDCA3-12HRDN1, Руководство по обслуживанию

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For MDCA3-12HRDN1, MDTB1-12HWDN1, MDFA-12HRFN1:
For 12k models(Excluding MDCA3-12HRDN1, MDTB1-12HWDN1, MDFA-12HRFN1)
Electrical Control Function
190 Electrical Control System
---0 ℃ ≤ T2<4 ℃ , the compressor frequency will be limited and decreased to the lower level every 1 minute till
off.
---4
℃
≤ T2 ≤ 7
℃
, the compressor will keep the current frequency.
---T2>7
℃
, the compressor frequency will not be limited.
For other models: When T2<2
℃
and lasts for 3 minutes, the indoor has no capacity demand and resume
till T2
≥
7
℃
.
1.3.2.4 Condenser high temperature T3 protection
:
---55
℃
<T3<60
℃
, the compressor frequency will decrease to the lower level every 3 minutes till F1 and then
runs at F1.If T3<54 ℃ , the compressor will keep running at the current frequency.
---T3<52
℃
, the compressor will not limit the frequency and resume to the former frequency.
---T3>60
℃
for 5 seconds, the compressor will stop until T3<52
℃
.
--- 61<T3< 66, the compressor frequency will decrease to the lower level until to F1 and then runs at F1 per
minute. If T3<61, the compressor will keep running at the current frequency.
---T3< 58, the compressor will not limit the frequency and resume to the former frequency.
---T3> 66 for 5 seconds, the compressor will stop until T3< TP3-3.
For other models: When T3 ≥ 65 ℃ for 3 seconds, the compressor will shut off. When T3 ＜ 52,the
compressor will restart.
1.3.3 Heating Mode
1.3.3.1 Outdoor fan running rules:
For 12k models:
17
15
Low
High
MOZU-18HFN1-QRC8: