Mitsubishi Electric AE-200A Service Handbook page 33

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[IV Product specifications and functions]
(3) Front of EW-50
LED
Lit in green
Power
Unlit
Lit in green
ON/OFF
Blink in green
Unlit
Blink in orange
Status
Blink in blue
Blink in pink
LINK/ACT1
Blink in orange
LINK/ACT2
*1
The statuses of other related equipment are not indicated.
Item
Push switch
ON/OFF
Reset
USB port
SW1
Simple address setting
LAN1
LAN connection
LAN2
CN7
PI
CN6
CN4
CN5
External I/O
CN21
M-NET power jumper
TB3
M-NET A,B,S (M3.5)
TB1
Power source AC L/L1, L/L2
(M3.5)
Ground
(M4)
Power ON
Power OFF
One or more air conditioning units are ON.*1
One or more air conditioning units or other related equipment are in error.
All air conditioning units are OFF.*1
Startup error
Software update in progress
Software update failed
Data transmission in progress (LAN1)
Unused (planned to be used with BACnet)
Collectively runs/stops air-conditioning units that have their own M-NET
connected.
The operation becomes the collective stop operation if even one
air-conditioning unit is operating, and the collective run operation if they are all
stopped.
Used to reboot the EW-50. (This will not affect the operation status of the air
conditioning units.)
Unused
IP addresses can be easily set with SW1.
Connects to other units of equipment over the LAN via a HUB.
Planned to be used with BACnet
Connects to metering devices using the supplied connector.
Unused
Unused
Connects to an external input/output adapter (PAC-YG10HA) by cutting out the
knockout hole.
Connects to the M-NET power jumper to supply power (default).
If another system controller is connected to the same M-NET system and the
equivalent power consumption is 6 or above, disconnect the M-NET power
jumper to supply power from the separately-sold power supply unit.
M-NET transmission terminal block
Connects to M-NET transmission lines from the outdoor unit.
(A, B: Non-polarized, S: Shield)
Connects to the power cable.
Connects to the protective ground wire.
29
Description
Description

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