Carrier 38LUVH055N, Руководство по обслуживанию

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8. Electronic function
8.1 Abbreviation
T1: Indoor ambient temperature
T2: Pipe temperature of indoor heat exchanger
T3: Pipe temperature of outdoor heat exchanger
T4: Outdoor ambient temperature
8.2 Display function
8.2.1 Icon explanation on indoor display board.
42/38VHC121713G 42/38VHC124713G 42/38VHC128713G
①
Auto indicator
This indicator illuminates when the air conditioner is in AUTO operation.
②
Timer indicator
This indicator illuminates when TIMER is set ON/OFF.
③
PRE.-DEF. Indicator
This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is
activated in heating mode.
④
TEMPERATURE indicator
Usually it displays the temperature settings. When change the setting temperature, this indicator begins to flash, and
stops 20 seconds later. It displays the room temperature when the air conditioner is in FAN only operation, and the range
of that is 0~50
℃
. When the unit stops operation, it returns to original factory settings.
Displays the malfunction code or protection code.
⑤
Frequency indicator
This indicator appears only when the compressor is in operation and indicates the current operating frequency.
8.2.2 LED display control function.
Pressing
“LED display” button on remote controller will turn off all displays on indoor unit, while pressing once again, all
displays will resume.
8.3 Protection
8.3.1 Three Minutes Delay at restart for compressor.
8.3.2 Temperature protection of compressor top.
If the temperature of compressor top is too high(higher than 115
℃
and the Over-load Protector is cut, the units stop.
When the Over-load Protector restore and close(lower than 100
℃
), the compressor will restart( in this case the
compressor is restricted by Three Minutes Delay protection.
8.3.3 Temperature protection of compressor exhaust.
If the exhaust temperature of compressor is higher than 115
℃
and lasts for 5 seconds, the compressor stops and does
not resume until the exhaust temperature is lower than 90
℃.
8.3.4 Inverter module Protection,