Kidde VM-1 Technical Reference Manual

Chapter 6: Preventive maintenance and testing
P/N 3101890-EN • REV 006 • ISS 21JUN18 111
Detector cleaning procedures
There are two cleaning procedures: one for GSA detectors and one for V-PCOS detectors.
Note: In order to avoid false alarms, disable the detector being cleaned before cleaning.
Cleaning GSA detectors
Cleaning GSA detectors requires a conventional vacuum cleaner equipped with the detector-cleaning tool from
the GSA Service Tool Kit (P/N GSA-ST). The tool is installed on the end of the suction hose (nominal 1.5 in. (3.8
cm) ID). This creates a high velocity vortex scrubbing action around the detector to remove loose dust and debris.
Without using the detector-cleaning tool, it is not possible to verify the dirtiness levels after cleaning. If the
cleaning tool is not used, clean the detector per instructions below, operate the detectors for a minimum of two
hours, and then restart the loop controller. If the detectors are cleaned properly, the maintenance indicators return
to normal condition.
To clean GSA detectors:
1. Disable the detector to prevent false alarms (see “Disabling and enabling devices” on page 43).
2. Use a conventional vacuum cleaner brush attachment to remove any visible dirt and debris from the
immediate area of the detector.
3. Connect the detector-cleaning tool to the vacuum hose. See Figure 38 below.
4. Place the detector-cleaning tool over the detector head for approximately 10 seconds.
5. After the detector has been cleaned, restore it to proper operation (see “Disabling and enabling devices” on
page 43).
6. Run the detector sensitivity report to print a list of detector sensitivity and compensation readings, and to
verify the effectiveness of the cleaning.
Figure 38: Using the GSA detector-cleaning tool
(1) Vacuum hose
(2) Detector cleaning tool
(3) Detector head
(1)
(2)
(3)

Kidde VM-1 Specifications

General

Brand	Kidde
Model	VM-1
Category	Fire Alarms
Language	English