lassele LRT-23H, Service Manual

Page: 70 / 89

5. ELECTRONIC CONTROL INSTRUCTIONS
5-2-2. FUNCTION TABLE
NO Function Content
1
Power On
-
OFF for 2 sec
-
First 2 sec Ver. ℉ : F8, ℃ : FC
- After 2 sec Present ℃/℉
- Blinks Model name 5 times.
- LED blinks 3 times.
-
Present ℃/℉.
2. Defrost Check
<F Model > : LFT-23S, LFT-49D
- Defrost Sensor Operation
1) COMP On above 38℉(3.5℃)
2) Defrost On, under 38℉(3.5℃)
※ After 5min COMP delay pre-cool operate before defrost.
<R Model > : LRT-23S, LRT-49D
- Room Sensor Operation.
1) COMP On above 41℉(5.0℃)
2) Defrost On, under 41℉(5.0℃)
2
Normal
Operation
- COMP 5min delay (COMP OFF for 5 min)
- COMP ON/OFF by Room Sensor Temp.
3
FRE.
Defrost Period
- Defrost Period can be set to 5/6/7/8/9/10Hr
- Default 8hr
4
REF
Defrost Period
- Defrost every 5 Hr.
5
Defrost System
-FRE.
Defrost System
1. PRE-COOL
- To Lower Room Temp. before HEATER ON
- When Defrost Period, PRE-COOL on before HEATER ON
- HEATER ON if Temp. is under 17℉(-8℃) in 45min
- Maximum PRE-COOL time is 45min
2. HEATER ON
- If the defrost sensor reaches 51℉/11℃ defrost completes and heater goes Off
- Heater on goes maximum 50 min.
- When Defrost SENSOR ERROR, HEATER is on for 20min.
HEATER OFF when Temp. is 28℉(-2℃)
- When Defrost Sensor / Room Sensor error HEATER is on for 20min
- If HEATER ON goes maximum 50min and does not reach the Defrost Return Temp.
ERROR CODE will be saved.
※ This ERROR Occurs Pre-COOL disable