RAMVAC OWL, Руководство пользователя и инструкции по установке

Страница: 24 / 28

SOF_7.2.3-02-152
Effective date: 30-May-08
User Gude OWL
Page 22
Adjusting the Vacuum Controller
For typical Vacuum Stabilizer Control Installations, the included Vacuum Pressure Adjustment Compartment Cover
Switch is set from the factory at 6 inches of mercury. For atypical installations
requiring higher vacuum, such as those with overhead piping, you may need to
adjust the switch to a higher setting.
Note: ** Adjust the pressure switch to 1” below the Vacuum Controller pressure setting.
** 1/2 turn of the adjustment screw adjusts switch level approximately 5” Hg.
1. Disconnect “12DE34” connector on S1 Electrols.
2. Open treatment room vacuum devices until the Filtrols’ vacuum gauge indicates a
vacuum setting 1” below the Vacuum Controller setting.
3. Open wiring compartment cover and apply a continuity tester across terminals “C”
and “NC.”
4. Open adjustment compartment cover and adjust pressure switch by turning the
adjustment screw until the C to NC circuit closes as indicated on your tester.
5. Close the adjustment compartment and wiring compartment covers. Wiring Compartment Cover
Do NOT Adjust the Vacuum Controller if:
● Any vacuum devices are open.
● Your system has vacuum leaks.
● Vacuum is weak only when more than 2/3 of the rated number of vacuum devices are open.
WARNING: You can damage equipment by making improper vacuum controller adjustments.
Do not exceed motor full load amperes.
Please contact RAMVAC if you are at all uncertain about this adjustment.
1. Close all vacuum valves (high volume evacuators, saliva ejectors,
surgical suctions) and close any other treatment room vacuum de-
vices (nitrous oxide scavengers, vacuum sinks, vacuum cuspidors).
2. Disconnect inlet line to vacuum unit and cap off inlet.
3. Remove vacuum controller filter and loosen jam-nut.
4. Manually turn vacuum unit on and turn adjustment nut to raise or
lower vacuum pressure.
5. When vacuum gauge reaches desired reading, tighten jam-nut
and replace filter.
6. Manually turn unit off.
7. Uncap inlet and reconnect inlet line to vacuum unit.
8. Repeat steps 1 to 7 for each vacuum unit and then adjust Vacuum Pressure Switch.
Jam-nut
Adjustment-nut
Adjusting The Vacuum Pressure Switch
MULTIPLE UNIT SYSTEMS
Adjusting Vacuum Pressure