Sanyo KH2442 / CH2442 User Manual download pdf (Page 192)

4. Service procedures

Section

SM830082

IV - 36

(5) PCB Setting

● Setting of outdoor control PCB

(A) Standard control (single outdoor unit)

In case of single outdoor unit installation, even if

in case of twin, triple or quartet type (2, 3 or 4

indoor units), no setting necessary.

Keep factory shipment state (R.C. address is set

in “0”).

In this case, auto. address operation takes place

automatically for the first time when the power is

switched on. This takes about a few minutes.

(B) Group control (Multiple outdoor units)

In case of group control (up to 8 indoor units can

be connected with one remote controller), before

turning the power supply on set the R.C. address

with S2, S3 on the outdoor control PCB.

R.C. address: Refrigerant circuit address 1 ~ 30.

controller)

In case of central control (when using the system

controller,that is, when linking outdoor units in a

network),

(a) Before turning the power supply on, set the

R.C. address with S2, S3 on the outdoor

control PCB.

(b) Remove the short plug (CN006, 2P Black)

from all outdoor units except any one of

outdoor unit.

● Setting of indoor control PCB

No setting necessary.

Each indoor unit address (UNIT No.: R.C. – No.) is decided after auto. address operation.

Indoor unit No.

Refrigerant Circuit No. (R.C. address)

Manual setting for indoor unit address can be performed also by remote controller.

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Sanyo KH2442 / CH2442 User Manual Page 192