Sysyem Settings; System Settings; If Not Used Together With System Controller - Mitsubishi Electric LMAP03U Installation Manual

4. System Settings

This chapter only describes the system settings of this product.
For the installation work and electrical work, refer to the last chapter " 3. Installation ".
<Notes>
Read and understand the contents of Chapter 1 "Safety Precautions " before performing the installation.
The system setting is different depending on the system configuration connected.
Check the system configuration.
1. When the system controllers are not used together.
2. When the system controllers are used together.

4-1 If not used together with system controller.

Switch the short-circuit connector
from CN41 to CN40.
LM ADAPTER
TB2
CN41
CN40
M-NET address 201 to 250 [factory setting 247]
(* Setting of position 100 not required.)
M-NET address of LM ADAPTER
LM ADAPTER power switch connector
Combined switch for LM ADAPTER / system controller
OC central control (SC) on/off switch
OC power supply connector
(Note 1) Change the LM ADAPTER power supply switch connector CN41 to CN40.
(Note:2)When connecting LOSSNAY, settings must be made in the LM ADAPTER.
1) Do not sequence LOSSNAY to the air conditioner. (Independent LOSSNAY)
Or when operation is to be controlled from L
LOSSNAY selection switch. (SW1-5)[ON]
2) When sequencing LOSSNAY to the air conditioner (sequenced LOSSNAY), and not controlling operation
from L
LOSSNAY selection switch. (SW1-5)[OFF]
When sequencing LOSSNAY to the air conditioner, the indoor unit and LOSSNAY sequence must be
registered from the remote controller.(Refer to the remote controller installation manual for details on registering.)
(Note 3)When changing the system configuration, such as the M-NET address, always carry out the following steps.
1) Turn the LM ADAPTER service switch (SW2-1) [ON].
Change the LM ADAPTER system information delete switch (SW3-2) from [OFF] to [ON].
2) When erasing the system information, the maintenance LED "System Information Erase LED (LED001)" will turn ON.
3) When the system information has been erased, the maintenance LED "System Information Erase LED (LED001)"
will turn OFF, and the maintenance LED "System Information Erase Complete LED (LED002)" will turn ON.
4) Turn the LM ADAPTER service switch (SW2-1) [OFF].
Change the LM ADAPTER system information delete switch (SW3-2) from [ON] to [OFF].
5) Turn the LM ADAPTER power OFF.
6) Make changes to change the unit system.(Addition of indoor unit, change of M-NET address, change of group, etc.)
7) To change the LM ADAPTER M-NET address and settings, carry out the changing work.
8) Turn the LM ADAPTER power ON.
(Note 4) Refer to the "System Design and Construction Manual" for the outdoor unit for details on the M-NET wiring length.
(Note 5) Set the M-NET address so that it is not duplicated with other units.
M-NET transmission line
(Centralized control line)
E
Shielded line ground
SW1-2 [OFF]
ON
OFF
1 2 3 4 5 6 7 8 9 10
Iteam
®
W . (BMS etc.)
ON ORKS
as is
OC
CN41
OFF
TB7 TB3
as is
OC
CN41
OFF
TB3
TB7
Setting
SWU2, 1 [201 to 250]
CN41 to CN40 (supplies power)
SW1 - 2 [OFF] (Not used together with system controller)
SW2 -1 [OFF] (No central control)
CN41 as is (power not supplied)
®
W (BMS etc.) connected to the LOSSNAY remote controller.
ON ORKS
10
OC : Outdoor Unit
: Switch Position
SW2-1 [OFF]
ON
1 2 3 4 5 6 7 8 9 10
M-NET transmission line
(Indoor/outdoortransmission line)
SW2-1 [OFF]
ON
1 2 3 4 5 6 7 8 9 10
M-NET transmission line
(Indoor/outdoortransmission line)
Factory setting
247
CN41
OFF
OFF
CN41