LG ARNH08GK3A2 Installation Manual page 36

System Set-Up
NOTICE
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 unit, Hydro Kit is generally operated 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 deci-
sion.
• Classified Trouble
- Trouble is classified two levels according to the seriousness of the problem : Slight Trouble and
Heavy trouble
- Slight Trouble : Sensor trouble.
- Heavy trouble : Compressor cycle trouble.
- Option Trouble : a problem is found for option operation such as water tank heating. In this
• Emergency operation level
- When the system is faced with trouble, it stops and waits for userʼs decision. : Calling service
center or starting emergency operation.
- To start emergency operation, user simply push ON / OFF button once more.
- Two different levels are prepared for emergency operation : High temperature cycle and low
temperature cycle.
- In emergency operation mode, user can not adjust target temperature.
High temperature
cycle
Low temperature
cycle
36 Hydro Kit
trouble, the troubled option is assumed as if it is not installed at the system.
DIP Switch
(No. 4)
OFF
ON
Target
Leaving Water
Temperature
70℃(158℉)
50℃(122℉)
Target
Room Air Sanitary Water
Temperature Temperature
24℃(75℉) 70℃(158℉)
19℃(66℉) 50℃(122℉)
Target