Toyotomi DCT 100HSPi, Руководство по обслуживанию

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Installation
Installation
1. Refrigerant pipe installation
1.1. Measure the necessary length of the connecting pipe, and make it by the following way.
a. Connect the indoor unit at first, then the outdoor unit.
Bend the tubing in proper way. Do not harm them.
CAUTIONS:
z Daub the surfaces of the flare pipe and the joint nuts with frozen oil, and wrench it for 3~4 rounds
z With hands before fasten the flare nuts.
Be sure to use two wrenches simultaneously when you connect or disconnect the pipes.
Tubing size Torque
6.35 1420~1720N.cm(144~176kgf.cm)
9.52 3270~3990N.cm(333~407kgf.cm)
12.7 4950~6030N.cm(504~616kgf.cm)
16 6180~7540N.cm(630~770kgf.cm)
19 9720~11860N.cm(990~12106kgf.cm)
b. The stop value of the outdoor unit should be closed absolutely (as original state). Every time you connect
it, first loosen the nuts at the part of stop value, then connect the flare pipe immediately (in 5 minutes). If the
nuts have been loosened for a long time, dusts and other impurities may enter the pipe system and may
cause malfunction later. So please expel the air out of the pipe with refrigerant before connection.
c. Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit. Then fasten
the nuts at the repair-points.
1.2. Locate The Pipe
a. Drill a hole in the wall (suitable just for the size of the wall conduit), then set on the fittings such as the
wall conduit and its cover.
b. Bind the connecting pipe and the cables together tightly with binding tapes. Do not let air in, which will
cause water leakage by condensation.
c. Pass the bound connecting pipe through the wall conduit from outside. Be careful of the pipe allocation to
do no damage to the tubing.
1.3. Connect the pipes.
1.4. Then, open the stem of stop values of the outdoor unit to make the refrigerant pipe connecting the indoor
unit with the outdoor unit in fluent flow.
1.5. Be sure of no leakage by checking it with leak detector or soap water.
1.6. Cover the joint of the connecting pipe to the indoor unit with the soundproof / insulating sheath (fittings),
and bind it well with the tapes to prevent leakage.
2. Vacuum dry and leakage checking
2.1. Vacuum Dry: use vacuum pump to change the moisture (liquid) into steam (gas) in the pipe and
discharge it out of the pipe to make the pipe dry. Under one atmospheric pressure, the boiling point of
water(steam temperature) is 100
ć
. Use vacuum pump to make the pressure in the pipe near vacuum state,
the boiling point of water falls relatively. When it falls under outdoor temperature, the moisture in the pipe will
be vaporized.