LG ACHH017VBAB - Safety Devices and Settings

25
Installation
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SAFETY DEVICES AND SETTINGS
List of Safety Devices and Settings
No. Safety device Setting Function
1
High pressure
switch
551 PSI
Stops operation of the module when the pressure
is above the setting
2 Fuse
250 V 5 A (Main)
250 V 15 A (INV)
Disconnects current when it exceeds the normal
value
3
Compressor cir-
cuit breaker
35 A Measures and stops over-current per compressor
4
Fan motor circuit
breaker
7 A Measures and stops over-current per motor
5
Discharge tem-
perature sensor
230°F Stops compressor in stages
6
High pressure
sensor
551 PSI
Starts protective operation control to reduce the
cycle pressure
7
Low pressure
sensor
32 PSI
Starts protective operation control to raise the
cycle pressure
8
Water pipe tem-
perature sensor
Prevent evaporator from freezing. Not active if
low temperature cooling is activated.
9
Reverse phase
detector
Off
Compares the current of each phase and stops
when it is in reverse phase
10
Liquid compres-
sor prevention
Capacity
Reduction
Discharge over-heating level goes up to prevent
liquid compression
11
Compressor ratio
limit
9 HTZ
Step Reduction
Compressor frequency is reduced when operating
at high compression ratio to prevent the internal
parts within the compressor from being damaged
Off : 37.4°