Daikin GYEQ20AN Service Manual page 180

SiAUY361411EA
Part 5
Parts Inspection
1. Inspecting the Outdoor Unit ................................................................170
1.1 Safety Precautions for Inspecting or Servicing the Outdoor Unit .........170
1.2 Inspecting the Starter System ..............................................................171
1.3 Inspecting the Fuel Control System .....................................................173
1.4 Inspecting the Mixer System ................................................................174
1.5 Inspecting the Ignition System .............................................................176
1.6 Inspecting the Regulator ......................................................................179
1.7 Inspecting the Valve Clearance............................................................179
1.8 Inspecting the Compression Pressure .................................................180
1.9 Inspecting the Belt................................................................................180
1.10 Inspecting the Air Cleaner ....................................................................181
1.11 Inspecting the Breather Hose...............................................................181
1.12 Inspecting the Engine Oil Level............................................................182
1.13 Inspecting Refrigerating Machine Oil and Refrigerant..........................183
1.14 Inspecting the Cooling Water Filter ......................................................184
1.15 Checking the Cooling Water System for Water Leaks .........................184
1.16 Inspecting the Cooling Water Level......................................................185
1.17 Inspecting the Water Motor-operated Valve.........................................185
1.18 Inspecting the Thermostat....................................................................186
1.19 Inspecting the Cooling Water Concentration........................................187
1.20 Inspecting the Oil Pressure Switch.......................................................187
1.21 Inspecting the Cooling Water Temperature Sensor .............................187
1.22 Inspecting the Exhaust Temperature Sensor .......................................188
1.23 Inspecting the Compressor ..................................................................189
1.24 Inspecting the Compressor Clutch .......................................................190
1.25 Inspecting the Solenoid Valves ............................................................191
1.26 Inspecting the Outdoor Fan Motor........................................................192
1.27 Inspecting the Refrigerant Amount.......................................................193
1.28 Inspecting the Check Valve..................................................................194
1.29 Inspecting the Electronic Expansion Valve ..........................................195
1.30 Checking Stop Valve Operation ...........................................................196
1.31 Inspecting the Four-way Valve .............................................................197
1.32 Inspecting the SC Coil..........................................................................197
1.33 Inspecting the Refrigerant System Sensors .........................................198
1.34 Inspecting the Outdoor Unit's Circuit Boards and
Power Supply System ..........................................................................200
1.35 Inspecting the Communication Cables.................................................200
1.36 Inspecting the Heaters .........................................................................201
169 Parts Inspection