User manual TOSHIBA RAS-10LKH-X SERVICE MANUAL

[. . . ] WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS OF ELECTRICAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANT CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTROL BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · A place which is not exposed to a strong wind. · A place free of a leakage of combustible gases. · A place which does not block a passage. · When the outdoor unit is to be installed in an elevated position, be sure to secure its feet. · This air conditioner accepts a connection piping length of up to 25 m. · There is no need to add refrigerant as long as the length of the connection piping is 15 m or less. · You will need to add 20g of refrigerant per meter of added connnection piping for installations requiring connection piping to be between 16 m to 25 m. · An allowable height level is up to 10 m. · A place where the drain water does not raise any problem. Hook here 1 Installation plate 2 Hook Push (unhook) Fig. 9-2-17 · For detaching the indoor unit from the installation plate, pull the indoor unit toward you while pushing its bottom up at the specified parts. Push Push Fig. 9-2-18 Precautions for adding refrigerant · Use a scale having a precision with at least 10 g per index line when adding the refrigerant. of copper pipe 6. 35 9. 52 R410A tool used 0 to 0. 5 0 to 0. 5 Conventional tool used 1. 0 to 1. 5 1. 0 to 1. 5 9-3-3. Evacuating After the piping has been connected to the indoor unit, you can perform the air purge together at once. AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using vacuum pump. Do not use the refrigerant in the outdoor unit. For details, see the manual of vacuum pump. A Imperial (Wing nut type) Outer dia. of copper pipe 6. 35 9. 52 Use a vacuum pump R410A 1. 5 to 2. 0 1. 5 to 2. 0 Die Pipe Fig. 9-3-3 Tightening Connection Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers. Then tighten the nut with a spanner and torque wrench as shown in the figure. Half union Externally threaded side Use a wrench to secure. Flare nut Internally threaded side Use a torque wrench to secure. Fig. 9-3-4 CAUTION · Do not apply excess torque. Otherwise the nut may crack depending on the conditions. [. . . ] Check that all the hooking claws are fixed to the specified positions. ­ 78 ­ No. 11 Part name Replacement of temperature sensor for servicing only Common service parts of sensor TO, TS, TE, TD Procedure 1) Cut the sensor 100 mm longer than old one. 2) Cut the protective tube after pulling out it (200 mm). 3) Move the protective tube toward the thermal sensor side and tear the tip of lead wire in two then strip the covering part. 4) Pass the stripped part through the thermal constringent tube. [. . . ]