Air Conditioning Control System
Centralized Controller
EW-50A/EW-50E
Before installing the controller, please read this Installation Manual carefully to ensure proper operation.
Retain this manual for future reference.
Installation and Instructions Manual
Safety notes are marked with
WARNING
or
CAUTION
, depending on the severity
of possible consequences that may result
when the instructions are not followed
exactly as stated.
Proper installation is important for your
safety and proper functioning of the units.
Thoroughly read the following safety
precautions prior to installation.
Contents
1. Safety precautions ..................................................... 2
1-1. General precautions ..............................................................2
1-2. Precautions for unit installation .............................................3
1-3. Precautions for electrical wiring ............................................3
1-4. Precautions for relocating or repairing the unit .....................4
1-5. Additional precautions ...........................................................4
2. Introduction ................................................................ 6
2-1. Part names ............................................................................6
3. Package contents ....................................................... 8
4. Specifications ............................................................. 9
4-1. Product specifications ...........................................................9
4-2. External dimensions ............................................................10
5. Installation .................................................................11
5-1. Items not included ...............................................................12
5-2. Items sold separately ..........................................................12
5-3. Installation space ................................................................13
5-4. Installation procedures ........................................................14
6. Wiring connections ................................................... 17
6-1. Removing/reinstalling the service cover ..............................17
6-2. Connecting AC power cables and M-NET transmission
cables ..................................................................................19
6-3. Connecting the LAN cable ..................................................21
6-4. Confirming the LAN transmission delay time ......................21
7. Initial settings ........................................................... 23
7-1. Logging in to the Web Browser for Initial Settings ..............23
7-2. Initial settings on the Web browser .....................................23
7-3. Quick IP address (LAN1) setting .........................................24
7-4. Network settings on the Web browser ................................25
8. Test run .................................................................... 26
8-1. Collective operation ON/OFF ..............................................26
9. External input/output ................................................ 27
9-1. External signal input/output function ...................................27
9-2. Pulse signal input function ..................................................29
10. Maintenance ............................................................. 30
10-1. Inspection and maintenance .............................................30
10-2. Back up/import settings data .............................................31
10-3. Software update ................................................................33
10-4. Software information .........................................................36
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Summary of Contents for EW-50A
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