INDOOR UNIT CONTROL CIRCUIT (Continued)

NO.

Item

 

Overview of specifications

Remarks

12

HA control

(1)

When connected to a remote control system (tele-control or

A connector (separately

 

 

 

remote on/off interface), operation ON/OFF can be controlled by

available) is required

 

 

 

the HA signal input.

when using the HA

 

 

(2)

Outputs operation ON/OFF status to the HA output terminal.

terminal CH61 for remote

 

 

(3)

HA signal input/output specifications conform to the JEMA

ON/OFF control.

 

 

 

standard.

 

 

 

 

 

When group operation is

 

 

 

 

in use, connect the

 

 

 

 

connector to either header

 

 

 

 

or follower indoor unit.

 

 

 

 

 

13

Filter sign

(1)

Transmits filter replacement signal to remote controller for

“FILTER” lamp ON

 

indication

 

indication on the LCD when accumulated operation hours of

 

 

(unavailable for

 

indoor unit fan exceeds the specified time (150 hours).

 

 

wireless type)

 

 

 

 

 

(2)

Clears accumulation timer upon receiving the filter reset signal

 

 

 

 

from remote controller. At this time, when the specified time has

 

 

 

 

already passed, the accumulated time is reset and the filter sign

 

 

 

 

disappears from the LCD.

 

 

 

 

 

 

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