Sanyo 26KHHS72R Service Manual - Page 179

Indicating marking the indoor and outdoor unit combination number

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Indicating (marking) the indoor and outdoor unit combination number Indicate (mark) the number after automatic address setting is completed. 6. Test run (1) So that the combination of each indoor unit can be easily checked when multiple units are installed, ensure that the indoor and outdoor unit numbers correspond to the system address number on the outdoor unit control PCB, and use a magic marker or similar means which cannot be easily erased to indicate the numbers in an easily visible location on the indoor units (near the indoor unit nameplates). Example: (Outdoor) 1 - (Indoor) 1-1...(Outdoor) 2 - (Indoor) 2-2... (2) These numbers will be needed for maintenance. Be sure to indicate them. * Use the remote controller to check the addresses of the indoor units. Press and hold the button and button for 4 seconds or longer (simple settings mode). Then press the button and select the indoor address. (Each time the button is pressed, the address changes as follows: 1-1, 2-1, ....) The indoor unit fan operates only at the selected indoor unit. Confirm that correct fan is operating, and indicate address on the indoor unit. Press the button again to return to the normal remote controller mode. For details, refer to the separate handbook. Main-sub remote controller control Control using 2 remote controller switches Main-sub remote controller control refers to the use of 2 remote controllers to control 1 indoor unit. (A maximum of 2 remote controllers can be connected.) Connecting 2 remote controllers to control 1 indoor unit Remote controller Remote controller 1 switch (main) switch (sub) Optional Optional 1 2 1 2 Remote controller wiring Terminal plate 2 1 2 for remote controller wiring Indoor unit U1U2 Ground 1 2 Outdoor unit 3 Ground (Setting procedure) (1) Set 1 of the 2 connected remote controllers as the main remote controller. Remote controller Remote controller address connector (2) On the other remote controller (sub remote controller), change the remote controller address connector on the reverse side of the remote controller switch PCB from Main 4 RCU check Sub the Main position to the Sub position. The remote controller will now function as the sub RCU. ADR remote controller. Fig. 6-8 5 6 VI-9 SM831148

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VI-9
SM831148
6
6. Test run
Indicating (marking) the indoor and outdoor unit combination number
Indicate (mark) the number after automatic address setting is completed.
(1) So that the combination of each indoor unit can be easily checked when multiple units are installed, ensure that
the indoor and outdoor unit numbers correspond to the system address number on the outdoor unit control PCB,
and use a magic marker or similar means which cannot be easily erased to indicate the numbers in an easily
visible location on the indoor units (near the indoor unit nameplates).
Example: (Outdoor) 1 - (Indoor) 1-1...(Outdoor) 2 - (Indoor) 2-2...
(2) These numbers will be needed for maintenance. Be sure to indicate them.
*
Use the remote controller to check the addresses of the indoor units. Press and hold the
button and
button for 4 seconds or longer (simple settings mode). Then press the button
and select the indoor
address. (Each time the button is pressed, the address changes as follows: 1-1, 2-1,
....
) The indoor unit fan
operates only at the selected indoor unit. Confirm that correct fan is operating, and indicate address on the
indoor unit.
Press the
button again to return to the normal remote controller mode.
For details, refer to the separate handbook.
Main-sub remote controller control
Control using 2 remote controller switches
Main-sub remote controller control refers to the use of 2 remote controllers to control 1 indoor unit.
(A maximum of 2 remote controllers can be connected.)
Connecting 2 remote controllers to
control 1 indoor unit
(Setting procedure)
(1) Set 1 of the 2 connected remote controllers as the
main remote controller.
(2) On the other remote controller (sub remote controller),
change the remote controller address connector on the
reverse side of the remote controller switch PCB from
the Main position to the Sub position.
The remote controller will now function as the sub
remote controller.
1 2
1 2
1 2
U1U2
1 2
Remote controller wiring
Optional
Optional
Remote controller
switch (sub)
Remote controller
switch (main)
Indoor unit
Outdoor unit
Ground
Ground
for remote
controller wiring
Terminal plate
Fig. 6-8
Remote controller
Remote controller
address connector
RCU. ADR
Main
Sub
RCU check