Mitsubishi Electric Mr.Slim SEZ-M25DA2 Manual De Instalación página 19

8. Electrical work
(2) Seal the Signal Receiving Unit cord lead-in hole with putty in order to
prevent the possible entry of dew, water droplets, cockroaches, other
insects, etc.
[Fig. 8-4-9] (P.7)
Ⓐ 150 mm (5 - 15/16 inch)
Ⓑ Remote controller wire (Accessory)
Ⓒ Wiring pipe
Ⓓ Locknut
Ⓔ Bushing
Ⓕ Switch box
Ⓖ Seal around here with putty
• When installing on the switch box, seal the connections between the switch
box and wiring pipe with putty.
[Fig. 8-4-9] (P.7)
Ⓗ Seal around here with putty
Ⓘ Remote controller wire
Ⓙ Seal around here with putty
• When opening a hole using a drill for Signal Receiving Unit wire (or taking the
wire out of the back of the Signal Receiving Unit), seal that hole with putty.
• When routing the wire via the portion cut off from the upper case, equally seal
that portion with putty.
(3) Install the remote control wire to the terminal block.
[Fig. 8-4-10] (P.8)
Ⓐ Insert the minus screwdriver toward the arrow pointed and wrench it to remove the cover.
A flat screwdriver whose width of blade is between 4 and 7 mm (5/32 - 9/32 inch) must
be used.
(4) Installing hole when the Signal Receiving Unit is installed on the wall
direct.
[Fig. 8-4-11] (P.8)
Ⓐ Thin-wall portion
Ⓑ Bottom case
Ⓒ Remote controller wire
Ⓓ Conducting wire
• Cut the thin-wall portion inside the bottom case (oblique section) by a knife or
a nipper.
• Take out the connected remote controller wire to the terminal block through
this space.
(5) Install the lower case on the switch box or directly on the wall.
[Fig. 8-4-12] (P.8)
Ⓐ Screw (M4 × 30)
* When installing the lower case directly on the wall or the ceiling, use wood screws.
Mounting the cover
[Fig. 8-4-13] (P.8)
① Hang the cover to the upper hooks (2 places).
② Mount the cover to the lower case
Ⓐ Cross-section of upper hooks
Caution:
• Insert the cover securely until the clicking sound is made. If not doing so,
the cover may fall.
8.5. Service menu
Note: Maintenance password is required.
Press Setting on the Main window, and select "Service" to set the maintenance
settings.
When the Service menu is selected, a window will appear asking for the password.
[Fig. 8-5-1] (P.9)
To enter the current maintenance password (4 numerical digits), move the cursor
to the digit you want to change with the [ F1] or [ F2] button, and set each number (0
through 9) with the [ F3] or [ F4] button. Then, press the [ SELECT] button.
Note:
• The initial maintenance password is "9999." Change the default password
as necessary to prevent unauthorized access. Have the pass ord available
for relevant personnel.
• If you forget your maintenance pass ord, you can initialize the pass ord
to the default password "9999" by pressing and holding the [F1] button for
ten seconds on the maintenance password setting screen.
• Air conditioning units may need to be stopped to make certain settings.
There may be some settings that cannot be made when the system is
centrally controlled.
8.6. Function settings
8.6.1. By ired remote controller
Make the settings for the indoor unit functions via the remote controller as
necessary.
Select "Function setting" from the Settings menu to bring up the Function setting
screen. [Fig. 8-6-1] (P.9)
① [Fig. 8-6-2] (P.9)
• Set the indoor unit refrigerant addresses and unit numbers with the [ F1] through
[F4] buttons, and then press the [SELECT] button to confirm the current setting.
• When data collection from the indoor units is completed, the current settings will
appear highlighted. Non-highlighted items indicate that no function settings have
been made. Screen appearance varies depending on the "Unit No." setting.
② [Fig. 8-6-3] (P.9)
• Use the [ F1] or [ F2] button to move the cursor to select the mode number, and
change the setting number with the [ F3] or [ F4] button.
③ [Fig. 8-6-4] (P.9)
• When the settings are completed, press the [ SELECT] button to send the setting
data from the remote controller to the indoor units.
• When the transmission is successfully completed, the screen will return to the
Function setting screen.
8.6.2. By ireless remote controller
Refer to the installation manual included with the wireless remote controller.
19