1989-Mitsu-Factory Manual · AC system · страница 8 из 42 · Открыть оригинал PDF ↗
motor relay (coil), and then to ground; the
contacts of the condenser blower motor relay
then close, and, at the same time, current
flows to the sub-fusible link, the dedicated
fuse, the condenser blower motor relay (con-
tacts), the condenser blower motor, and
ground, and the condenser blower motor is
activated. When, at this time, current from the
air conditioner relay B (contacts) flows to air
conditioner relay A (coil) and the M.P.I. control
unit (ground), current flow through the sub-
fusible link. the dedicated fuse, air conditioner
relay A (contacts). the magnet clutch and
ground, and the compressor is activated.
l Note that the compressor is stopped under the
following conditions:
I. When the temperature at the evaporator
becomes3”C (37.4”F) or lower . . . detected
by thermistor.
2. When the pressure within the piping be-
comes 21D kPa (30 psi) or lower . . . detected
by the dual pressure switch.
3. When the pressure within the piping be-
comes 2,700 kPa (384 psi) or higher . . .
detected by the dual pressure switch.
4. When the temperature of the coolant be-
comes 115°C (239°F) or higher . . . detected
by the engine coolant temperature switch.
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