LG AHWRHD Manual Download

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376

Controller accessories

Zone Control

When the area dampers open or close, the static pressure control will open or close the by-pass damper so as to maintain
the adequate static pressure. Dimensions of the by-pass damper depends on the cooling capacity of the unit.

Remarks:

• Turn off the Power before installation or maintenance.

Btu/h

Size of the by-pass (ø)

36K

250 mm

42K

250 mm

48K

300 mm

60K

300 mm

91K

350 mm

120K

350 mm

* Central
Contr oller

* Central
Sub PCB

Indoor Unit

**Main Pcb

** Display PCB

Outdoor Unit

In case of 220V Damper,

attach AC 24V Relay

** Wir ed

Remote

Contr oller

*RF

Remote

Contr oller

* Zone

Contr oller

Sub Pcb

AC 24V

Transformer

Damper

" 1

Damper

" 2

Damper

" 3

Damper

" 4

Array of PCB & Controllers

Local sourcing components

Relay

Thermostat " 1

Thermostat " 2

Thermostat " 3

Thermostat " 4

Installation Procedure:

• The control should be mounted to control panel using 4 screws supplied.

• Fasten it to any holes on control panel as long as there is enough space to install. If necessary drill holes to install on prop-

er position.

• When drilling, ensure that metal f does not foul any electronic components.

Wiring Diagram:

ZONE CONTROLLER WIRING DIAGRAM

Summary of Contents for AHWRHD

Page 1: ...conditioner from any corner of the room Applicable Models Ceiling cassete Ceiling concealed duct Accessory Wireless remote control 1EA Owner s manual 1EA AHWRHS AHWRHD PQWRHSF0 Functions PQWRHSF0 AHWRHD AHWRHS Air circulation Fan operation Room temperature checking Sleep mode operation Temperature settings Operation mode selection Air swing Jet cool Cassette Only On Off Timer settings ...

Page 2: ...e place the cover by sliding it back into position How to use For ceiling cassette Point the signal transmitter towards the front panel of the cassette indoor unit for C D E F Chassis models and press any function key For B chassis point the signal transmitter towards the wired remote control and press any function key For ceiling concealed duct ducted split Single package Point the signal transmi...

Page 3: ...TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature PLASMA OPTIONAL Used to start or stop the plasma purification function HORIZ...

Page 4: ...er set cancel buttons Used to set the timer when the desired time is obtained and to cancel the Timer operation 7 Air flow direction start stop button Used to stop or start louver movement and set the desired up down airflow direction 8 Sleep mode auto button Used to set Sleep Mode Auto operation 9 Air circulation button Used to circulate the room air without cooling or heating turns indoor fan on...

Page 5: ...tton Used to set the timer when the desired time is obtained Then the wired remote controller is set up to 24 hours by an hour but the wireless remote controller is set up to 7 hours by an hour Therefore if you want to set over 7 hours use the wired remote controller 6 Fan speed button Used to set the desired fan speed 7 On Off button Operation starts when this button is pressed and stops when the...

Page 6: ...Defrost Preheat Out door Slo Lo Med Hi Po Room Temp Total on Central Run 120mm 70mm 13 5mm Functional description 1 Simple design 2 Simple easy use 3 Memorize data operation data in case of power failure 4 ON OFF Temperature setting room temperature display Air flow control lock setting Fault diagnosis function operation mode setting basic functions 5 Easy address setting with central control 6 Op...

Page 7: ...line install them at regular intervals of 2cm It may cause the breakdown of the temperature sensor Do not install the cable with a distance of 30 m or longer This can cause communication error When installing the cable check whether the connector between the remote controller and the product is installed prop erly The connector will not be connected when installed in opposite sides o Supply the po...

Page 8: ...sic functions 7 Easy address setting with central control 8 Deluxe with LCD back light applied 9 Vane control child lock optimum air control as deluxe function 10 Back light LED is on during operation 1 Operation Display Panel 2 Room Temperature Button 3 Fan Speed Button 4 Fan Plasma Swirl Swing Button 5 Automatic Power Saving Vane Control Button 6 Timer Mode Button 7 Date Selection Button 8 Hour ...

Page 9: ...y in one location leave a minimum distance apart 2cm This can cause error in the temperature sensor Do not install the cable with a distance of 50 m or longer This can cause communication error When installing the cable check whether the connector between the remote controller and the product is installed prop erly The connector will not be connected when installed in opposite sides J Supply the p...

Page 10: ...ch have been installed at remote areas with same function by same con troller at same time 1 Simple design 2 Simple easy use 3 Memorize data operation data in case of power failure 4 ON OFF Temperature setting room temperature display Air flow control lock setting Fault diagnosis function operation mode setting basic functions 5 Easy address setting with central control 6 Operation LED is on durin...

Page 11: ...ntrol lock setting Fault diagnosis function opera tion mode setting basic functions reservation function Clock function 5 Easy address setting with central control 1 Two types of controller CST DUCT 2 Can control one or multi indoor units which have been installed at remote areas with same function by same controller at same time NOTE PQRCHCS0 FAN SPEED MODE Cooling Heating Auto Dry Fan Defrost Pr...

Page 12: ...scription 1 Operation Summary A device which senses temperature of each zone controls operation of each diffuser so temperature of each zone can be controlled 2 Specific Operation If every zone diffuser is closed Comp and outer fan become turned off to protect compressor Zone controller requires diffuser temperatures and con trollers available locally 3 Operating Scene The temperature of all zones...

Page 13: ... Neutral S Signal Zone Controller PCB AC L AC N Power Input HVAC By pass damper 24 VCA power supply Return Supply Static pressure control 40 VA transformer NC NO Pressure controller Closed Common 3 channel damper motor Open 1 2 3 Spring Return Damper Actuators Non Spring Return Damper Actuators By Pass Damper System To maintain an adequate flow of air and static pressure through the HVAC system a ...

Page 14: ...Pcb Display PCB Outdoor Unit In case of 220V Damper attach AC 24V Relay Wir ed Remote Controller RF Remote Controller Zone Controller Sub Pcb AC 24V Transformer Damper 1 Damper 2 Damper 3 Damper 4 Array of PCB Controllers Local sourcing components Relay Relay Relay Relay Thermostat 1 Thermostat 2 Thermostat 3 Thermostat 4 Installation Procedure The control should be mounted to control panel using ...

Page 15: ...Installation Manual 1EA Lead Wire Assembly 4EA 4 3 2 4 3 2 1 1 2 2 1 1 DRY CONTACT SUB PCB MAIN PCB CN CC CN CC AC 220V PQDSA PQDSB 1 2 3 4 5 6 CN POWER AC 220V Connector CN CC MAIN PCB Connector CN_DRY L DRY CONTROLLER Connector CN_DRY SIG DRY CONTROLLER Connector CN_DRY ERROR CHECK ERROR Check Display Connector CN_DRY OPER STATE Operation Display Connector 1 2 3 4 5 6 4 3 2 4 3 2 1 1 2 2 1 1 DRY...

Page 16: ...ss remote controller 3 times within 3 minutes of starting the unit facing it towards the unit This function availability depends on indoor unit model type 1 Normal mode Factory set Not to turn ON the unit directly from the external source On inserting the key inside the key holder it activates the system Later on the unit can be turned ON by the remote controller 2 Automatic mode To turn ON the un...

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