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Introduction; User Interface; User Terminal; Buttons General Functions - Mitsubishi Electric s-MEXT 006-044 Bedienungshandbuch

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UM_s-MEXT_ME18relC_00_11_18_ML
1

INTRODUCTION

The software described in this document was designed for use with precision air-conditioning units such as "Close Control" units (for data processing
centres).
Below is a non-exhaustive list of the functions of the application:
Adjustment of room temperature and humidity according to the setpoints entered using the user terminal.
Complete visualisation of the operating status of the unit.
Possibility of setting the main adjustment parameters with the "User" type password.
Management and acoustic and visual signalling (visual only by default) of faults (alarms), events and maintenance, with memorisation up to
200 events.
Possibility of serial control and management.
Possibility of operating up to 10 units connected together in a local network LAN, also with one or two time-switched backup units.
2

USER INTERFACE

2.1

USER TERMINAL

The connection between the microprocessor board and the user terminal involve a 4-pole telephone cable equipped with RJ11 connector. The terminal is
fed directly from the control board.
2.1.1

Buttons general functions

Key
/
/
+
+
USER MANUAL
Figure 2-1: User terminal
Name
[ALARM]
[PRG]
[ESC]
[UP] / [DOWN]
[ENTER]
[ALARM + PRG + UP / DOWN]
Table 2: List of keys and related functions
Key
Displays the alarms and resets
normal operating conditions.
Accesses the main menu.
Goes back one level in the mask
tree if you are in the header masks,
or returns to the main mask.
Move around the masks and set
control parameter values.
Confirms entered data.
Increase or decrease screen
contrast.
TRANSLATION OF THE ORIGINAL INSTRUCTIONS
29
Description
Led
Fixed in case of alarm and flashing in
case of signal.
Once the [ALARM] key is pressed, the
led becomes fixed.
In lack of alarms/signals, the led is off.
When the unit is operating (ventilation
ON).
Upon turning on the unit, when
pressing any key or activating an
alarm/signal.
It will disengage after three minutes of
inactivity on the keyboard of the user
terminal.

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