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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)
A
130/100
B
190/130
C
240/170
D
260/210
E
260/230
F
260/230
290/130
300/150 350/220
350/250 370/280 370/300
MUZ-A09/12
MUZ-A15/17
MUY-A15/17
150/130
166/150 186/170
206/196 230/210 260/226
MUZ-A24
MUY-A24
Applied model
OBT16--1.qxp 06.3.29 11:20 AM Page 19