Optional Functions - Hitachi PC-ARF Technical Catalogue

4 Individual remote controls
Receiver kit for wireless remote control

4.5.9 Optional functions

D A N G E R
Turn OFF the power source completely before performing the dip switch setting for receiver kit. If not, it may cause an electric
shock.

DIP switch for optional functions (SW3)
Open the cover by removing the two screws in order to access the following functions.
PC-ALH(N) and PC-ALHC
Dip Switch
(SW3: Factory Supplied)
PC-ALHZ
Outlet for
connecting cable
EMERGENCY
COOL
ON
HEAT
1 2 3 4 5 6
Dip switch (DSW1)
(Factory-setting)
Operational function
Secondary receiver adjustment.
Identifying of indoor units
Remove the screw
Rear side of Indoor unit
PCB
Cover
DIP switch adjustment
1 2 3 4 5 6
1 2 3 4 5 6
214
TCGB0106 rev.0 - 12/2014
PC-ALHD
Dip Switch
(SW3: Factory Setting)
Hole for cable
Cover
(1) Remove the fixing bracket.
(2) Remove 2 fixing screws to
open the case.
Case Fixing braket
Change the Main (OFF setting) / Sub (ON setting) remote
control switch used for two remote control system.
In case of ON setting, it performs as B mode (Identifying of
indoor unit) of wireless remote control switch.
Printed circuit board
Cover
Details
Remove two
screws and
open the case
Case