ABB NGC8206, User Manual

Page: 99 / 239

2101510 Rev. AG Page 3–39
Figure 3-40 Carrier Gas Low Pressure Switch Wiring Instruction
5) Using a small flat blade screw driver, loosen DI2 pins 3 and 4.
6) Insert the red wire into the (+) terminal (pin 3).
7) Retighten pin 3.
8) Insert the black wire into the (-) terminal (pin 4).
9) Retighten pin 4.
10) Replace the termination connector in the J2 board connector.
3.20 ENC82L Calibration Gas Bottle Installation
The calibration gas bottle mounting rack is used to hold the
calibration gas bottle when located inside of the large
environmental enclosure. Refer to
Figure 3-41 .
A gas regulator should be installed on each gas bottle.
3.20.1 Materials
•
Strapping material (shipped with environmental enclosure)
•
Calibration gas blend bottle
3.20.2 Instructions
1) Locate the bottle bracket in the right front area of the environmental enclosure
(see
Figure 3-41 ).
2) Set the calibration bottle inside of the enclosure, situated against the bottle
bracket.
3) Thread the strap through the holes in the bracket and around the bottle. Insert
the end of the strap into worm gear.
4) Using a flat blade screw driver, turn the screw on worm gear until strap is snug.
ASSY
REGULATOR
CARRIER
CYLINDER
J2
(-) (+)
(-) (+) (-) (+) (-) (+)
INPUTS OUTPUTS
1
1 2
2
DIGITAL I/0
NGC TERMINATION BOARD
BARRIER REQUIRED FOR ALL
INSTALLATIONS OTHER THAN
NON-HAZARDOUS