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MODEL 8694
POSITIVE / NEGATIVE CHANGEOVER SWITCH
INSTALLATION INSTRUCTIONS
Installing with the Model 8670 Room Pressure Controller
The purpose of these instructions is to
guide the installer through the
installation of the optional TSI
Model 8694 Changeover Switch to the
Model 8620 Room Pressure Monitor.
The complete Model 8620 Room
Pressure Monitor installation is
covered in the Model 8620 Room
Pressure Monitor Installation
Instructions.
The changeover switch must be wired
per the figure below. Wire should be 24
AWG or larger (not supplied by TSI).
Any modification to the wiring may
damage the alarm and room pressure
device.
The Model 8694 has the following
electrical characteristics:
Key Position Output
Negative Contact open
Positive Contact closed
This concludes installation of the changeover switch. If you need assistance installing the monitor see the
Model 8620 Room Pressure Monitor Installation Instructions. If you need further assistance contact your local
representative or TSI at 1-800-874-2811.