LG ABNW18GBHC0 Engineering Product Data Book page 23

Compact
9. Installation
- With drain pump
① Possible drain head is upto 700mm.
② Keep the drain pipe downward stope upto 1/50~1/100.
Prevent any upward flow or reverse flow in any part.
③ 10mm or thicker insulation should be provided for the
drain pipe.
Drain Pipe
Drain Pump
Unit
5) Checking the drain
① Remove the air filter.
Indoor unit
1/50~1/100 1/50~1/100 1/50~1/100
MAX 700mm
Thermal insulattion
(Local supply)
Drain pipe
(Local supply)
Elbow
Drain pump
② Check the drain.
• Poor eough water on the drain pan.
• Ensure that water flows through the drain pipe from indoor
unit without any leakage.
9.6 Electric wiring work
1) General instructions
① All field supplied parts and materials, electric works must
conform to local codes.
Use copper wire only.
② Follow the "WIRING DIAGRAM" attached to the unit
body to wire the outdoor unit, indoor units and the remote
controller.
③ All wiring must be performed by an authorized electri-
cian.
④ This system consists of multiple indoor units. Mark each
indoor unit as unit A, unit B..., and be sure the terminal
board wiring to the outdoor unit and indoor unit are prop-
erly matched. If wiring and piping between the outdoor
unit and an indoor unit are mismatched, the system may
cause a malfunction.
⑤ A circuit breaker capable of shutting down the power
supply to the entire system must be installed.
Ceiling concealed duct - Middle static pressure
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