Mitsubishi Electric Mr.Slim PUZ-HA42NKA Service Manual page 59

Special function
Note: When the DIP SW9-1 on the controller board of the outdoor unit is ON, set DIP SW 9-1 to OFF.
<Low-level sound priority mode circuit>
Insulate this point securely as
this is not used.
Purchased locally
Relay
supply
~
SW1
X
SW1 : Switch
X : Relay (Contact spec. : DC1mA)
Power consumption
SW7-1 SW7-2
OFF OFF 0% (Operation stop)
ON OFF
OFF ON
OCH567
X
Max. 33 ft [10 m] including local wiring
(SW1 on)
50%
75%
Adapter for external
signal input
Outdoor unit
(PAC-SC36NA-E)
controller board
Red 3
Brown 2
Orange 1
CNDM
3
2
1