Emergency Operation - LG Therma V series Owner's Manual

EMERGENCY OPERATION

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EMERGENCY OPERATION
• Definition of terms
- Trouble : a problem which can stop system operation, and can be resumed temporally under
limited operation without certificated professional's assist.
- Error : problem which can stop system operation, and can be resumed ONLY after certificated
professional's check.
- Emergency mode : temporary heating operation while system met trouble.
• Objective of introducing 'Trouble'
- Not like airconditioning product, Air-to-Water heat pump is generally operation in whole winter
season without any system stopping.
- If system found some problem, which is not critical to system operating for yielding heating
energy, the system can temporarily continue in emergency mode operation with end user's
decision.
• Classified trouble
- Trouble is classified two levels according to the seriousness of the problem. : Slight trouble and
Heavy trouble
- Slight trouble : Sensor trouble. In most case, this trouble is concerned with sensor problems.
The unit is operating under emergency mode operation(level 1).
- Heavy trouble : Compressor cycle trouble. Emergency mode operation(level 2) is performed by
optional electric heater.
- Option trouble : a problem is found for option operation such as water tank heating. In this
trouble, the troubled option is assumed as if it is not installed at the system.
• Emergency operation level
When the AWHP has any trouble,
(1) If there is not a function to judge possibility of operation : Once an error occurs mainly in
indoor unit, AWHP stops. On the other hand, Remocon allows the product to activate On/ Off
operation.(On : emergency operation)
- Slight / Heavy trouble : Heating Operable only
- Critical trouble : Full stop
- Treatment priority : Critical > Heavy > Slight
(2) If there is a function to judge possibility of operation : Depending on the status of slight /
heavy / critical trouble, pop-up phrase is guided separately on display.
- Slight trouble : Heating/Cooling Operable
- Heavy trouble : Heating Operable only
- Critical trouble : Service center request
- AWHP operates when user pressed OK button on pop-up window.