Installation - Emerson Fisher 2502 Instruction Manual

2502 Controllers
June 2017
Table 1. Specifications (continued)
Hazardous Area Classification
2502 controllers comply with the requirements of
ATEX Group II Category 2 Gas and Dust
Operative Ambient Temperatures
Standard Construction: -40 to 71_C (-40 to 160_F)
High Temperature Construction: -18 to 104_C (0 to
220_F)
See figure 2
NOTE: Specialized instrument terms are defined in ANSI/ISA Standard 51.1 - Process Instrument Terminology.
1. Control and stability may be impaired if this pressure is exceeded.
2. The pressure/temperature limits in this document, and any applicable standard or code limitation should not be exceeded.
3
3. Normal cubic meters per hour (m /hr) at 0_C and 1.01325 bar. Scfh=standard cubic feet per hour at 60_F and 14.7 psia .
Figure 2. Guidelines for Use of Optional Heat Insulator Assembly
AMBIENT
0 (_C)
-18 -10 10 20
110
0
_
800
HEAT INSULATOR
REQUIRED
400
NO INSULATOR NECESSARY
0
USE INSULATOR (CAUTION! IF AMBIENT DEWPOINT IS ABOVE
PROCESS TEMPERATURE, ICE FORMATION MAY CAUSE INSTRUMENT
MALFUNCTION AND REDUCE INSULATOR EFFECTIVENESS.)
-20
0 20 40 60
AMBIENT TEMPERATURE (_F)
STANDARD CONTROLLER OR TRANSMITTER
B1413‐1

Installation

2502 controllers are used in combination with 249 sensors, and unless ordered separately, the controller will be
attached to the sensor.
WARNING
Wear protective eyewear, gloves and clothing whenever possible when performing any installation operations to avoid
personal injury.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.
4
(2)
TEMPERATURE
71
30 40 50 60 70
593
500
TOO
HOT
400
300
200
100
0
-29
80 100 120 140 160
Declaration of SEP
Fisher Controls International LLC declares this
product to be in compliance with Article 4 paragraph
3 of the PED Directive 2014/68/EU. It was designed
and manufactured in accordance with Sound
Engineering Practice (SEP) and cannot bear the CE
marking related to PED compliance.
However, the product may bear the CE marking to
indicate compliance with other applicable European
Community Directives.
0 10
-18 -10
110
0
_
_
800
HEAT INSULATOR
REQUIRED
400
NO INSULATOR NECESSARY
0
USE INSULATOR (CAUTION! IF AMBIENT DEWPOINT IS ABOVE PROCESS
TEMPERATURE, ICE FORMATION MAY CAUSE INSTRUMENT MALFUNCTION AND
REDUCE INSULATOR EFFECTIVENESS.)
-20
0 20 40
AMBIENT TEMPERATURE (_F)
NOTE: FOR SERVICE BELOW -29_C (-20_F) CONTACT FACTORY.
HIGH‐TEMPERATURE CONTROLLER OR TRANSMITTER
Instruction Manual
AMBIENT TEMPERATURE (_C)
20 30 40 50 60
60 80 100 120 140
D200126X012
93
70 80 90
593
TOO 500
HOT
400
300
200
100
0
-29
160 180 200