OI/LMS100-EN Rev. A |
LMS100 Magnetic Level Gauge Switch 5
5.0 Installation
WARNING!
SERVICE TEMPERATURE OF THE LMS100 IS
DEPENDENT ON PROCESS TEMPERATURE, MOUNTING
METHOD, AND INSULATION USAGE. REFER TO THE TABLE
BELOW TO DETERMINE THE MAXIMUM SAFE PROCESS
TEMPERATURE FOR EACH APPROVED COMBINATION OF
INSULATION AND MOUNTING.
Mounting
Insulation
Max Process
Standard (A1)
None (Y0)
300 °F (148.8 °C)
Rod Mount (A2)
None (Y0)
350°F (176.6 °C)
Standard (A1)
Insulation Pad (P1)
575°F (301.6 °C)
Rod Mount (A2)
Chamber Insulation
800°F (426.6 °C)
CAUTION! TO ENSURE SAFE AND RELIABLE OPERATION,
DO NOT OPERATE THE SWITCH BEYOND THE FOLLOWING
MAXIMUM ELECTRICAL PARAMETERS:
MAX VOLTAGE: 250 V AC/DC
MAX CURRENT: 1 A
MAX POWER: 60 W/VA
5.1 General Installation
CAUTION:
Make sure Circuit is de-energized prior to Installing the
switch. If INstalling in a hazadous location, Read requirements
in 5.2 before proceeding.
1.
To remove the cover, first unlock the cover security bolt
located at the 5 o’clock position of the cover, by turning it
clockwise with an M2.5 hex key. When the bolt head no
longer touches the cover, grip the cover tightly and rotate
it counterclockwise to remove.
2. Remove the terminal plug from the terminal. Connect the
field wires to the terminal plug according to the application.
See the wiring diagram below. (figure 5.1a)
3.
All field wiring that is connected to the LMS100 switch
must comply with NEC, CEC, or any other applicable
regional electrical codes.
Figure 5.1b
GROUND
NORMALLY CLOSED
COMMON
NOMALLY OPEN
GROUND
C
N.C.
N.O.
LMS100: Float Below Switch
C
N.O.
N.C.
LMS100: Float Above Switch
Figure 5.1a:
Contact closure shown for both condi-
tions of the switch relative to the magnetic float.