10
Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
Chapter 2: Installation and Removal Procedures and Notes
You will need the following tools to install your MPX level sensor:
•
Wrench sized appropriately for MPX mounting
•
Wrench sized appropriately for conduit connections
•
Flat-head screwdriver for wire terminals
•
Channellock pliers for tightening compression fitting
•
3/32” hex Allen wrench for 1-piece MPX-E float stops
•
1/8” hex Allen wrench for 1-piece MPX-R float stops
•
3/16” hex Allen wrench for 2-piece MPX-R float stops
• Tools Needed
The MPX should be installed in an area--indoors or outdoors--which meets the following conditions:
•
Ambient temperature between -40°C and 85°C (-40°F to +185°F)
•
Relative humidity up to 100%
•
Altitude up to 2000 meters (6560 feet)
•
IEC-664-1 Conductive Pollution Degree 1 or 2
•
IEC 61010-1 Measurement Category II
•
No chemicals corrosive to stainless steel (such as NH
3
, SO
2
, Cl
2
etc.)
•
Ample space for maintenance and inspection
Additional care must be taken to ensure:
•
The probe is located away from strong magnetic fields, such as those produced by motors, transform-
ers, solenoid valves, etc.
•
The medium is free from metallic substances and other foreign matter.
•
The probe is not exposed to excessive vibration.
•
The float(s) fit through the mounting hole. If the float(s) does/do not fit, it/they must be mounted on
the stem from inside the vessel being monitored.
•
The float(s) is/are oriented properly on the stem (See Figure 2.1). MPX-E floats will be installed by the
factory. MPX-R floats are typically installed by customer.
• Physical Installation Notes
DANGER:
WARNING -- POTENTIAL ELECTROSTATIC CHARGING HAZARD - CLEAN ONLY WITH A DAMP
CLOTH;
AVERTISSEMENT -- DANGER DE CHARGE ELECTROSTATIQUE POTENTIEL - NETTOYER SEULEMENT AVEC UN
CHIFFON HUMIDE.
IMPORTANT
: MPX level sensor MUST be installed according to drawing 9003468 on
page 32 to meet listed approvals. For Class I, Division 1 and Class I, Zone 1 approvals,
seal required within 18 inches of the enclosure. Faulty installation will invalidate all safety
approvals and ratings.
