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When repairing air conditioners, we often see English on the main board of the air conditioner. The English meaning is now summarized for your reference

by:Rigao      2020-05-07
FUSE: air conditioning circuit board fuse gnd: ground wire FG: DC circuit intermediate connection casing PE: ground 4 V: four-way reversing valve FAN: fan htr: air conditioning auxiliary electric heating ODF: air conditioning outdoor fan lp: air conditioning low voltage protection switch HP: air conditioning high voltage protection switch LF: air conditioning fan low speed MF: air conditioning fan medium speed HF: air conditioning fan high speed L or ACL: Live Wire N or ACN: zero line PRJ: air conditioning circuit board power transformer primary SEC: air conditioning circuit board power transformer secondary CON: air conditioning wire controller port RM: air conditioning indoor temperature sensor OD: air conditioning outdoor coil temperature sensor ID: air conditioning indoor coil temperature sensor, pendulum: SWING
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