Servomex DF-310E, Руководство оператора

Страница: 60 / 130

56 DF-310E Connecting to External Devices
7.5.6 Z-Purge Protection on R4 Enclosure
Before applying power to the to the analyzer, the Z-Purge unit must be installed and operating
properly. For loss of purge protection, wire the Z-Purge alarm contacts to a customer provided
alarm. Normally open and normally closed contacts are provided. Alternatively the contacts can
be used to interrupt the input power to the analyzer.
The switch requires either AC or DC input power, as indicated on the faceplate. For installation
and wiring instructions, see the manufacturers information included with the switch.
NOTE: All electrical connections to the switch must be made according to applicable local and
safety standards.
A supply of air or N2 regulated between 25 – 250 psig is required.
16.50 [419.10]
5.00 [127.00]
7.00 [177.80]
9.00 [228.60]
11.25 [285.62]
12.50 [317.50]
12.66 [321.61]
1.25 [31.75]
1.00 [25.40]
1.93 [49.02]
2.75 [69.85]
7.00 [177.80]
7.00 [177.80]
SAMPLE INLET
1/4" COMPRESSION (STD)
1/4" VCR COMPATIBLE (OPTIONAL)
SAMPLE OUTLET
1/4" COMPRESSION
PURGE PROTECTION
STYSTEM (OPTIONAL)
REQUIRES 25-30 psig
INSTRUMENT AIR OR N
7.60 [193.15]
1.41 [35.86]
1.41 [35.93]
3.14 [79.82]
2.00 [50.80]
Figure 31: Z-Purge Protection on R4 Sensor Enclosure