Bosch CLC6101i-W 50 HE - Page 24

4-4
Climate Class 6100i / 6000i / 8100i / 8000i
Item Mode
Control opera-
tion
When resistance is
low (temperature
judged higher than
actual)
Short-circuit
When resistance is
high (temperature
judged lower than
actual)
Open-circuit
Outside air tem-
perature
thermistor
(TH3)
Auto Operation mode
judgment
Cooling mode is
activated even if room
temperature is low.
Outdoor unit
thermistor
short-circuit error
indication.
Heating mode is ac-
tivated even if room
temperature is high.
Outdoor unit therm-
istor open-circuit
error indication.
Cooling
Dehumidifying
Operation not
affected
Normal operation. Outdoor unit
thermistor
short-circuit error
indication.
Normal operation. Outdoor unit therm-
istor open-circuit
error indication.
Heating Rating control
Defrosting
Defrosting operation is
activated unnecessari-
ly.
Outdoor unit
thermistor
short-circuit error
indication.
Defrosting operation
is not activated, and
frost accumulates
on outdoor unit.
Outdoor unit therm-
istor open-circuit
error indication.
Suction pipe
thermistor
(TH4)
Cooling
Dehumidifying
Expansion valve
control
Compressor operates,
but room does not be-
come cool (expansion
valve is open).
Outdoor unit
thermistor
short-circuit error
indication.
Frost accumulates
on evaporator inlet
section, and room
does not become
cool (expansion
valve is closed).
Outdoor unit therm-
istor open-circuit
error indication.
Heating Expansion valve
control
Compressor operates,
but room does not be-
come warm (expansion
valve is open).
Outdoor unit
thermistor
short-circuit error
indication.
Frost accumulates
on expansion valve
outlet section,
and room does
not become warm
(expansion valve is
closed).
Outdoor unit therm-
istor open-circuit
error indication.
2-way valve
thermistor
(TH5)
Cooling
Dehumidifying
Expansion valve
control
Frost accumulates on
indoor unit evaporator
and room does not be-
come cool (expansion
valve is closed).
Outdoor unit
thermistor
short-circuit error
indication.
Compressor oper-
ates, but room does
not become cool
(expansion valve is
open).
Outdoor unit therm-
istor open-circuit
error indication.
Heating Operation not
affected
Normal operation. Outdoor unit
thermistor
short-circuit error
indication.
Normal operation. Outdoor unit therm-
istor open-circuit
error indication.