29
3
Refrigerant Cycle Diagram
Indoor unit
CAUTION
MMU-AP0074YH, AP0094YH, AP0124YH type air conditioners have no TC2 sensor.
Explanation of functional parts in indoor unit
Functional part name
Functional outline
Pulse Motor Valve
PMV
(Connector CN082 (6P): Blue)
1) Controls super heat in cooling operation
2) Controls under cool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
Temp. Sensor
1.TA
(Connector CN104 (2P): Yellow)
1) Detects indoor suction temperature
2.TC1
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
3.TC2
(Connector CN101 (2P): Black)
1) Controls PMV under cool in heating operation
4.TCJ
(Connector CN102 (2P): Red)
1) Controls PMV super heat in cooling operation
2) [MMU-AP0074YH to AP0124YH only] Controls PMV under cool in heating operation
Capillary tube
Gas side
Heat exchanger at
indoor side
Pulse Motor
Valve (PMV)
Sensor
(TC2)
Liquid
side
Strainer
Sensor
(TCJ)
Sensor
(TA)
Fan
Fan motor
Sensor
(TC1)
Summary of Contents for A03-009
Page 149: ...148 ...
Page 153: ...152 9 2 1 Way cassette type SH AP015 AP018 AP024 ...
Page 161: ...160 9 4 Slim duct type MMD AP0074SPH AP0094SPH AP0124SPH AP0154SPH AP0184SPH ...
Page 165: ...164 9 5 Concealed duct standard type MMD AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 166: ...165 ...
Page 169: ...168 MMD AP0244BH AP0274BH AP0304BH AP0364BH AP0484BH ...
Page 170: ...169 ...
Page 173: ...172 MMD AP0564BH ...
Page 174: ...173 ...
Page 177: ...176 E Parts ...
Page 179: ...178 9 6 Concealed duct high static pressure type MMD AP0184H AP0244H AP0274H AP0364H AP0484H ...
Page 183: ...182 MMD AP0724H AP0964H ...
Page 184: ...183 ...
Page 187: ...186 9 7 Ceiling type MMC AP0154H AP0184H AP0244H AP0274H ...
Page 190: ...189 MMC AP0364H AP0484H ...
Page 194: ...193 9 8 Floor standing type MMF AP0154H AP0184H AP0244H AP0274H ...
Page 195: ...194 MMF AP0154H AP0184H AP0244H AP0274H ...
Page 198: ...197 MMF AP0364H AP0484H AP0564H ...
Page 199: ...198 MMF AP0364H AP0484H AP0564H ...
Page 203: ...202 9 9 Floor standing concealed type MML AP0074BH AP0094BH AP0124BH AP0154BH AP0184BH ...
Page 206: ...205 MML AP0244BH ...
Page 209: ...208 9 10 Floor standing cabinet type MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 210: ...209 MML AP0074H AP0094H AP0124H AP0154H AP0184H ...
Page 213: ...212 MML AP0244H ...
Page 214: ...213 MML AP0244H ...