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In COOL operation, the two indoor coil thermistors (one main and one sub) sense temperature ununiformity (super
heat) at the heat exchanger, and when temperature difference have developed, the indoor coil thermistors adjust
LEV opening degree to get approximate 10 degrees lower temperature than the target temperature in the table
above, thus diminishing super heat.
(b) Reference value of LEV standard opening degree
(COOL/ HEAT (MUZ) pulse)
Applied model
A
MUZ-A09/12
130/100
MUZ-A15/17
290/130 300/150 350/220 350/250 370/280 370/300
MUY-A15/17
MUZ-A24
150/130 166/150 186/170 206/196 230/210 260/226
MUY-A24
B
C
D
190/130
240/170
260/210
19
E
F
260/230
260/230
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