LG Electronics LP121CEM-Y8 manual Remote/Local Control, Energy Saver, Front Desk Control

Models: LP121CEM-Y8

1 48
Download 48 pages 50.4 Kb
Page 7
Image 7
•REMOTE/LOCAL CONTROL

REMOTE/LOCAL CONTROL

When remote/local switch #1 is on, it allow the unit to operate by the control of Remote Wall Thermostat. The unit control by knobs are not available.

ENERGY SAVER

The energy saver switch #2 is on. This switch is set at continuous fan to provide continuous fan operation in cool or heat modes. When the switch is off the continuous fan allows continuous circulation of room air and make the more balanced temperature of the room. When the switch is on the fan is on or off with the compressor or with the heater.

FRONT DESK CONTROL

When the pair wire is connected to the connector LOand LI, the unit can be turned ON or OFF with a switch located at the Front Desk Control panel. When the front desk switch is ON, the fan operate according to the condition of setting without working compressor and heater. When the front desk switch is OFF, the unit can operate according to the setting of controls.

Wire # AWG

Maximum Length

#22

600ft(180m)

#20

900ft(270m)

#18

1500ft(450m)

#16

2000ft(610m)

LO LI GL GH O W Y R C

Front Desk Switch

REMOTE WALL THERMOSTAT

When the wires are connected, the unit will be controlled by a remote wall thermostat.

The thermostat connections supply the 24 Volt AC. When you install the digital / electronic thermostat, you must set it to the 24 Volt AC. See the installation Instruction in this manual for the Remote Wall Thermostat.

24Volt-N

24Volt-L

Compressor

Heater

Reversing Valve

High Fan

Low Fan

LO LI GL GH O W Y R C

(Molex Housing Spec 396-09V)

Note:The following figures show wiring schematics for heat pump and straight cool units with electric heat, respectively.

Wiring Schematic for

Remote Heat Pump

Wiring Schematic for

Straight Cool Unit.

Copyright ©2008 LG Electronics. Inc. All right reserved.

- 7 -

Only for training and service purposes

LGE Internal Use Only

 

Page 7
Image 7
LG Electronics LP121CEM-Y8 manual Remote/Local Control, Energy Saver, Front Desk Control, Remote Wall Thermostat