M-system 48V Instruction Manual

48V
P. 1 / 4
EM-9311 Rev.5
BEFORE USE ....
Thank you for choosing M-System. Before use, check the contents of package you received as outlined below. If you have any problems or questions on the product, please contact M-System’s Sales Office or representatives.
n PACKAGE INCLUDES:
Bargraph indicator ...................................................... (1)
n MODEL NO.
Check that model No. described on the specification label is exactly what you ordered.
n INSTRUCTION MANUAL
This manual describes necessary points of caution when you use this product, including installation and connection.
POINTS OF CAUTION
n POWER INPUT RATINGS
• Operational range & power consumption: Check the power
rating for the unit on the specification label. AC Ratings
Rating 85 – 132V AC: 85 – 132V, 47 –63 Hz Rating 170 – 264V AC: 170 – 264V, 47 –63 Hz Approx. 3.5VA (48V-1) or 5.5VA (48V-2)
DC Rating
Rating 24V DC: 24V ±15%, approx. 2W (48V-1) or 4W (48V-2)
n INSTALLATION
• A bezel is provided in the pocket inside the package. Push the bezel in behind the front side of the unit as illus-
trated below.
• When installing the meter into a panel, rst remove the
nameplates at the top and bottom of the front panel. Turn the screws behind these nameplates clockwise until the retaining clips come up and are fixed. Turning the screws counterclockwise loosen the retaining clips.
• The acrylic front cover and scaleplate can be removed when
you remove the nameplates.
n ENVIRONMENT
• Indoor use
• When heavy dust or metal particles are present in the air,
install the unit inside proper housing and ventilate it.
• Do not install the unit where it is subjected to continuous
vibration. Do not apply physical impact to the unit.
• Environmental temperature must be within 0 to 50°C (32 to 122°F) with relative humidity within 40 to 80% RH in order
to ensure adequate life span and operation.
• Be sure that the ventilation slits are not covered with cables,
etc. With the vertical mounting, leave at least 5 cm (2 in.) both at the top and bottom of the unit; with the horizontal mount­ing, leave at least 2.5 cm (1 in.) at the both sides of the unit.
n WIRING
• Do not install cables (power supply, input and output) close
to noise sources (relay drive cable, high frequency line, etc.).
• Do not bind these cables together with those in which noises
are present. Do not install them in the same duct.
n AND ....
• The unit is designed to function as soon as power is supplied, however, a warm up for 10 minutes is required for satisfying
complete performance described in the data sheet.
BARGRAPH INDICATOR
MODEL
48V
INSTRUCTION MANUAL
Bezel
Nameplate
Retaining Clip
48V
P. 2 / 4
EM-9311 Rev.5
COMPONENT IDENTIFICATION
n FRONT PANEL CONFIGURATIONS
Nameplate
Acrylic Cover
Scale Plate
Ventilation Slits at the Top and Bottom
(15 cm min.)
Span Adj.
Zero Adj.
50
40
30
20
10
0
10
20
30
40
50
50 40 30 20 1001020304050
50 40 30 20 1001020304050
50
40
30
20
10
0
10
20
30
40
50
°C
°C
m
m3/h
Tag No.
Label
VERTICAL MOUNTING
50
50 40 30 20 10 01020304050
40
30
20
10
0
10
20
30
40
50
Input 1
Input 1
Input 2
Input 2
• Single
HORIZONTAL MOUNTING
• Single
• Dual
• Dual
m3/h
––
°C
Tag No.
Label
*
*Engineering units longer than 3 characters are indicated here.
Remark: If there is only one engineering unit with dual bargraph type, the position and maximum number of characters for single bargraph type are applied.
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