Table of Contents
Advertisement
3. Test Running
3.1 SPLIT, ART cool, ART cool deluxe Type
• Check that all tubing and wiring have been properly con-
nected.
• Check that the gas and liquid side service valves are fully
open.
3.1.1 Prepare remote controller
❶ Remove the battery cover by pulling it according to
the arrow direction.
❷ Insert new batteries making sure that the (+) and (–)
of battery are installed correctly.
❸ Reattach the cover by pushing it back into position.
NOTE:
• Use 2 AAA(1.5volt) batteries. Do not use rechargeable
batteries.
• Remove the batteries from the remote controller if the sys-
tem is not going to be used for a long time.
3.1.2 Precautions in test run
n The initial power supply must provide at least 90% of
the rated voltage.
Otherwise, the air conditioner should not be operated.
n For test run, carry out the cooling operation firstly
even during heating season. If heating operation is
carried out firstly, it leads to the trouble of compres-
sor. Then attention must be paid.
n Carry out the test run more than 5 minutes without
fail. (Test run will be cancelled 18 minutes later auto-
matically)
n The forced operation is started by pressing button for
2 seconds.
The test run is started by pressing button for 3~6 sec-
onds.
n To cancel the test run, press any button.
3.1.3 Settlement of outdoor unit
n Anchor the outdoor unit with a bolt and nut(ø10mm)
tightly and horizontally on a concrete or rigid mount.
n When installing on the wall, roof or rooftop, anchor the
mounting base securely with a nail or wire assuming the
influence of wind and earthquake.
n In the case when the vibration of the unit is conveyed to
the hose, secure the unit with an anti-vibration rubber.
Bolt
3.1.4 Evaluation of the performance
Operate unit for 15~20 minutes, then check the system
refrigerant charge:
1. Measure the pressure of the gas side service valve.
2. Measure the temperature of the intake and discharge of air.
3. Ensure the difference between the intake temperature and the
discharge is more than 8°C (Cooling) or reversely (Heating).
Discharge air
Discharge
temperature
Discharge air
Discharge air
- 71 -
Copyright © 2016 - 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
4. Test Run
Tubing connection
Chassis cover
Intake temperature
Discharge
temperature
Intake
temperature
Discharge
temperature
Hide quick links:
Advertisement
Chapters
Table of Contents
Troubleshooting
