LG ARUM160LTE5.EWGBLEU Manuel d'utilisateur télécharger pdf (Page 39)

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3 Selection of the model of HR unit

* Each model is shipped with the switches No.2 and No.3 pre-adjusted

as above in the factory.

(For 2 branches)

PRHR022

PRHR022A

(For 3 branches)

PRHR032

PRHR032A

(For 4 branches)

PRHR042

PRHR042A

Initial

Setting

1 branches

Connected

2 branches

Connected

3 branches

Connected

4 branches

Connected

4 Setting the Valve Group.

WARNING

• If you want to use a PRHR032 or PRHR032A for 2 branches HR

unit after closing the 3rd pipes, set the dip switch for 2 branches

HR unit.

• If you want to use a PRHR042 or PRHR042A for 3 branches HR

unit after closing the 4th pipes, set the dip switch for 3 branches

HR unit.

• If you want to use a PRHR042 or PRHR042A for 2 branches HR

unit after closing the 3rd and 4th pipes, set the dip switch for 2

branches HR unit.

• The unused port must be closed with a copper cap, not with a

plastic cap.

No.1, 2 Valve

No.3, 4 Valve

Control

No.3, 4 Valve

Control

DIP S/W setting

No.2, 3 Valve

Control

No.1, 2 Valve

Control

Not control

Example

Large capacity indoor unit

Indoor Unit

Large capacity indoor unit

Indoor Unit

Large capacity indoor unit

Indoor Unit

Large capacity indoor unit

Indoor Unit

NOTE

If the large capacity indoor units are installed, below Y branch pipe should be

used.

Models Low pressure Gas pipe High pressure Gas pipeLiquid pipe

ARBLB03321

413(16-1/4)

390(15-11/32)

I.D19.05(3/4)

I.D15.88(5/8)

I.D12.7(1/2)

I.D12.7

(1/2)

(2-29/32)

70(2-3/4)

I.D15.88(5/8)

I.D25.4(1)

O.D25.4(1)

80(3-5/32)

110(4-11/32) 110(4-11/32)

332(13-1/16)

321(12-5/8)

(3-9/32)

I.D19.05(3/4)

O.D19.05(3/4)

3 2

1 2

O.D15.88(5/8)

444(17-15/32)

421(16-9/16)

(3-25/32)

I.D15.88

(5/8)

I.D22.2(7/8)

O.D15.88(5/8)

I.D6.35(1/4)

I.D28.58(1-1/8)

I.D19.05(3/4)

I.D9.52(3/8)

Y branch pipe

(Unit: mm [inch])

SW05M (Rotary S/W for addressing HR unit)

Must be set to '0' when installing only one HR unit.

When installing multiple HR units, address the HR units with sequen-

tially increasing numbers starting from '0'.

Ex) Installation of 3 HR units

AB AB AB

S/W No. Setup

No.1 Manual addressing of valve #1

No.2 Manual addressing of valve #2

No.3 Manual addressing of valve #3

No.4 Manual addressing of valve #4

SW03M

Increase in the digit of 10 of valve

address

SW04M

Increase in the last digit of valve ad-

dress

SW01M

SW03M

SW04M

2 Zoning setting

- Set the address of the valve of the HR unit to the central control

address of the connected indoor unit.

- SW01M : selection of the valve to address

SW03M : increase in the digit of 10 of valve address

SW04M : increase in the last digit of valve address

SW05M :Rotary S/W

- Prerequisite for manual valve addressing : central control address

of each indoor unit must be preset

differently at its wired remote control.

SW01M/SW03M/SW04M (Dip S/W and tact S/W for

manual valve addressing)

1 Normal setting (Non-Zoning setting)

- Set the address of the valve of the HR unit to the central control

address of the connected indoor unit.

- SW01M: selection of the valve to address

SW03M: increase in the digit of 10 of valve address

SW04M: increase in the last digit of valve address

- Prerequisite for manual valve addressing : central control address

of each indoor unit must be preset differently at its wired remote

control.

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LG ARUM160LTE5.EWGBLEU Manuel d'utilisateur Page 39

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