Daewoo FR-521NB, Руководство по обслуживанию

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11
3 Defrosting
Period
1. Total Run-time
of COMP
2. Running-rate of
COMP
3. Total time of
Door openings
4. RT-
Temperature
Defrosting
Mode
1. What to be considered in determing Defrosting Period
1) Total Run-time of COMP : 6, 8, 10, 12, 14 hours
2) Running-rate of COMP (each 2hours’ running-rate) :
more than 80%
3) Total time of Door openings : 10 minutes
4) Total Time (COMP-On + COMP Off ) : 60 hours
5) Ambient Temperature : more than 35
6) In each Error : R1, F1, D1, F3, RT-S, Door-SW Error
2. Terms to start Defrosting Period
1) The Defrosting starts with the following conditions, in
case total COMP-run time passes 6, 8, 10 or 12hours
- when an Error occurs
- when running-rate of COMP is more than 80%
- when total Door-opening time is more than 10minutes
- when the ambient temperature is more than 35
2) Defrosting starts unconditionally when total COMP-
run time passes 14 hours, under the condition taht
terms of 1) are not satisfied.
3) Defrosting starts immediately when Total-time
(COMP-On + Off time) is more than 60 hours, under
the condition that terms of 1) and/or 2) are not satis
fied.
4 Defrosting
Mode
Defrosting Period 1. COMP
2. R-FAN
3. HEATER
1.Defrosting Mode
1) Time : 25minutes
2) COMP and R-Fan are On, and HTR is off
3) Pre-cool turns off when R-Sensor 2.5
1) Heater turns off when D-Sensor 10
2) Limit time : 80minutes
3) Heater continues to be On for 40 minutes of limit time
when D-Sensor is in Error
4) Limit time
30seconds : Heater continues to be On after
Defrosting regardless of D-Sensor temperature.
40minutes : in case of D1-Error
80minutes : in normal control state
1) Time : 4minutes
2) COMP and R-Fan are Off.
1) Time : 5minutes
2) Only COMP is On, While R-Fan is Off.
2. Output Control and Limit Time of each Defrosting Mode
C-Fan and
COMP are co-
working.
NO CONTROL
FUNCTION
INPUT CONTROL
OBJECTS
CONTENTS REMARK
Pre-Cool
Pause
Fan Delay
Heater
Defrosting
Pre-Cool Heater Defrosting Pause Fan Delay
COMP ON OFF OFF ON
F-FAN ON OFF OFF OFF
R-FAN CONTROL OFF OFF OFF
HETER OFF ON OFF OFF
Limit Time 50MINUTES (1) 80 MINUTES
(2) 40 MINUTES
in case of D-Sensor Error
4MINUTES 5MINUTES
OPERATION AND FUNCTIONS