Operation Control Function By The Remote Controller; Parts Layout On Remote Controller Pcb - Mitsubishi Heavy Industries KX6 series Service Manual

1.3 Operation control function by the remote controller

(1) Switching sequence of the operation mode switches of remote controller
(2) [CPU reset]
When the "CHECK" and "GRILL" buttons on the remote controller are pressed at the same time, this function is activated.
This function is same as power supply reset.
(3) [Power failure compensation function]
• This function becomes effective when "POWER FAILURE COMPENSATION SET" is valid by setting the remote controller
functions.
• The remote controller's status is always stored in memory, and after recovery of power, operation is resumed according to
the memory contents. However the auto swing stop position and timer mode are cancelled, but the weekly timer setting is
restored with the holiday setting through all weekdays.
By resetting the clock and cancelling the holiday setting for each weekday after recovery of power, weekly timer setting
becomes effective.
• Contents stored in memory for power failure compenstion are as follows.
Note (1) Item ➅➆ and ➇ are stored in memory regardless of whether the power failure compensation setting is valid or invalid, and silent mode setting is
cancelled regardless of whether the power failure compensation setting is valid or invalid.
Running or Stopping status just before power failure
➀
If it had been operating under OFF timer mode or simple timer mode, memorzed status is as stopping (At the
recovery of power, the timer mode is cancelled but weekly timer setting is changed to the holiday setting through all
weekdays
Operation mode
➁
Fan speed mode
➂
Room temperature setting
➃
Louver auto swing/stop
➄
However, the stop position (position 4) is cancelled and is becomes the level position (position 1).
"Remote control function items", set with the remote controller function setting ("Indoor unit function items" are
➅
stored in the inoor unit's memory.)
Upper limit value and lower limit value set by temperature setting control.
➆
Clock timer setting and weekly timer setting (Other timer settings are not sotred in memory).
➇

[Parts layout on remote controller PCB]

SW2
SW2
A
B
親
M
SW1
S
子
SW1
X Y
Dehumidifying Cooling
Master/ slave setting when more than one remote controllers are used
A maximum of two remote controllers can be connected to one indoor unit (or one group of indoor units.)
Caution
8
-
Fan Heating
Switch
Indoor units
SW1
Note (1) Don't change SW2 because it is not used normally.
Remote controller cord (no polarity)
Remote controller Remote controller
SW1 "Master" SW1 "Slave"
When using multiple remote controllers, the following dispiays or settings
cannot be done with the slave remote controller. It is available only with
the master remote controller.
Louver position setting (set upper or lower limit of swinging range)
Setting indoor unit functions
Setting temperature range
Operation data display
Error data display
Silent mode setting
Test operation of drain pump
Change the address set by autamatic address setting method (Kx multi only)
➈ Address setting of master indoor unit (Kx multi only)
➉ Remote controller sensor setting
Remote controller sensor setting
-
'10 • KX-SM-148
Setting Contents
M Master remote controller
S Slave remote controller