KAESER SIGMA CONTROL 2 User Manual

9.13 Safety relief valve test
Overview
■ Preparing the test
■ Performing the test
■ Correct conclusion of the test
■ Resetting
When the test mode is activated, the threshold value for the blow-off protection fault is in‐
creased and network pressure regulation is switched off.
The parameter pi is used for the test described below; for machines without internal pressure
transducer, the parameter pN is used.
Check box Status
☑ Activated
☐ Deactivated
Tab. 86 Check box status
Danger of injury from pressurised components!
➤ Perform the following actions in the sequence provided.
Preparing the test
1. Determine and record the safety relief valve's actuating pressure (see indicated value pRV in
the controller display or in the machine’s operating manual in chapter “Technical Data”).
2. Calculate and record a value that is 11% higher than the actuating pressure of the safety relief
valve.
3. Press the «Off» key to shut down the machine.
4. Close the user's shut-off valve between the machine and the air distribution network.
5. Log on with password access level 2.
6. Open the 9.1 <Machine test – Inspections> menu.
8 8 p s i 0 8 : 1 5 A M 1 7 6 ° F
Header
9.1 Inspections
Menu
Safety valve : ☐
Active line with check box
pRV: 232psi ¦ pi ⇞ 0.0psi
Safety relief valve actuating pressure (example)
Reset : ☐
·········
ADT ⇞ : ☐
Offset 32°F ¦ ADT ⇞ 32.0°F
Performing the test
1. Using the «Up» or «Down» key, select the line Safety valve .
2. Press the «Enter» key.
The check box Safety valve will flash.
9 Operation
9.13 Safety relief valve test
190
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2 No.: 9_9450 13 USE

KAESER SIGMA CONTROL 2 Specifications

General

Controller Type	Microprocessor-based
Model	SIGMA CONTROL 2
Manufacturer	KAESER
Input Voltage	24 V DC
Protection Class	IP54
Communication Protocols	Modbus, Profibus
Data Logging	Comprehensive data logging
Remote Monitoring	Yes
Communication Interface	Ethernet