artisan LCF-411-RS, Operating Instructions Manual, Page: 37 / 54

artisan
™
36
3.2.7 Set point temperature alarm: You can adjust “HS” and “LS” to restrict set point temperature
range to avoid set point temperature excess the range of compressor ability or to cause over
temperature by setting mistaken.
3.2.8 Output alarm:
3.2.8.1 When it happens the temperature alarm “UA” , ”LA” , it starts to calculate alarm delay
time ( “Ad” ), when “Ad” time finished, the alarm starts.
3.2.8.2 When alarm failure ( E1.E2.E3.E4.EE.PA.CA.tA ), it starts alarm immediately.
3.2.9 Temp. Display:
3.2.9.1 Evaporator temp. Display: In normal mode - press
[
▲
]
button for 3 seconds can
switch to show evaporator temp. 3 seconds.
3.2.9.2 Condenser temp. Display: In normal mode - press
[
▲
]
button for 6 seconds can
switch to show condenser temp. 3 seconds.
3.2.10 operate compulsorily:
3.2.10.1 In normal mode - press
[LOG]
for 3 seconds to enter/remove operation
compulsorily.
3.2.10.2 Under the condition, compressor On/ fan On and shows FF/indoor temperature
alternate blink : if indoor temp.
≤
“tS” , it ends the compulsory operation.
3.2.10.3 In the period of Compulsory operation, it will not enter defrost mode.
3.2.11External connection display : Connect the display can show indoor temperature/compressor,
defrost, fan condition and failure alarm condition.
3.3 LED indicators :
3.3.1 Compressor indicator
3.3.1.1 The LED is illuminated constantly when compressor is operating.
3.3.1.2 The LED is blinking when compressor is in delay protection/stand by.
3.3.1.3 The LED is off when the compressor is Off or in defrost mode.
3.3.2 Defrost indicator: When the LED is illuminated constantly during defrost period, the power-off
defrost will be active.
3.3.3 Fan indicator: When fan works the indicator illuminates, when fan stops the indicator goes
out.
3.4 Parameter lock :
3.4.1 In normal condition (Except E1.E2.E3.E4,EE,IA,PA ) - press
[SET]
+
[
▼
]
button 3 seconds
can lock “LC” parameter/unlock “UL” (if it shows “Lt” , it means there still have one lock) :
after locking, only set point “tS” can be adjusted, other parameter can’t be changed.
3.4.2 In normal condition (Except E1.E2.E3.E4,EE,IA,PA ) - press
[SET]
+
[
▼
]
button 6 seconds
can lock entirely “Lt” parameter/unlock “UL” : after locking, all parameter can’t be changed.
3.4.3 It means already unlocked when it shows “UL” .
3.4.4 Power cut down will not affect the lock status : after restore the power, lock condition can still
be remained.
3.5 Failure/Alarm :
3.5.1 Indoor temperature sensor failure, “E1” blinks and starts the failure operation.
3.5.2 Board temperature sensor failure, “E3” blinks and closes the output contact.
3.5.3 Condenser temperature sensor failure, “E4” blinks and starts the failure operation.
3.5.4 Memory failure, “EE” blinks and returns to default value, the failure operation starts : if “EE”
can’t be deleted after supplying power again, it means the memory is broken. It needs to be
repaired by our company.
3.5.5 High temperature (indoor) alarm shows “UA” and alternate with indoor temperature.
3.5.6 Low temperature (indoor) alarm shows “LA” and alternate with indoor temperature.
3.5.7 Compressor High-low pressure alarm shows “PA” and alternate with indoor temperature,
close all output contacts.
3.5.8 Condenser temperature alarm shows
“CA”
and alternate with indoor temperature, close
all output contacts.
3.5.9 Board temperature alarm shows “tA” and alternate with indoor temperature, close
all output contacts.
3.6 Return default value : press
[
▲
]
+
[
▼
]
button to supply power, after showing “rS” 3 seconds, it will
turn on the machine again and start to operate.
RS -411E Operational Manual