1Contents11. SPECIFICATIONS ........................................................................................................................212. OUTLINE AND DIMENSIONS .....................................................................................................613. OPERATION ................................................................................................................................714. WIRING DIAGRAM .................................................................................................................... 2915. REFRIGERANT CYCLE ............................................................................................................ 3316. CONTROL BLOCK DIAGRAM ................................................................................................... 3517. ELECTRIC CIRCUIT DIAGRAM ................................................................................................ 3718. KEY COMPONENTS OF ELECTRONIC CIRCUIT ................................................................... 5019. CHECKING AND REPAIRING OF ELECTRIC PARTS .............................................................. 5510. TROUBLE SHOOTING .............................................................................................................. 5911. DISASSEMBLY INSTRUCTIONS ...................................................................................... 6112. EXPLODED DIAGRAM AND PARTS LIST ........................................................................ 6313. EXTENDING RATINGS ..................................................................................................... 7114. DIP SWITCH CONFIGURATION FOR ETO ...................................................................... 87