Siemens 125-2134, Руководство пользователя

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Differential Pressure Monitor Owner’s Manual
Procedure if DO MODE is set to NCLOSE.
1. Set ACTIVE.NTRAL to NTRAL, POS.NEG to POS, and DO MODE to NCLOSE.
2. Connect the meter to pins 9 and 10. See Figure 7.
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The meter should indicate a short circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
3. Set ACTIVE.NTRAL to ACTIVE.
The meter should indicate an open circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
4. Set POS.NEG to NEG.
The meter should indicate a short circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
DPM with a Pressure Mode Key Switch
1. Connect the POT to the monitor’s communication port. If you are unable to establish
communication with the monitor, contact your local Siemens Building Technologies
representative.
2. Select the Start Up report from the Reports Menu.
3. Scroll so that the display shows POS.NEG (Point 25), ACTIVE.NTRAL (Point 10),
and DO MODE (Point 33).
Procedure if DO MODE is set to NOPEN.
1. Release the points POS.NEG and ACTIVE.NTRAL
2. Set DO MODE to NOPEN.
3. Connect the meter to pins 9 and 10 (Figure 7).
4. Turn the key to the Infectious Isolation/Negative Pressure position.
The meter should indicate an open circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
5. Turn the key to the Protective Isolation/Positive Pressure position.
The meter should indicate a short circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
6. Turn the key to the No Isolation/Neutral position.
The meter should indicate an open circuit. If the meter does not change in value,
contact your local Siemens Building Technologies representative.
26 Siemens Building Technologies, Inc.