I have a Crozier Instalarm panel with worn markings. What I need to identify is what the two on/off switches do. Switch "A" I'll identify as the one in the center of the panel, switch "B" I'll identify as the one directly below the black rotary switch. The panel needs new bulbs for the bilge and oil plus the cover for the bilge alarm bulb. I also need to know how to test the panel with the switches. I did find an archive post about this but the 2nd switch is not mentioned. Thanks for your help!
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11-25-2020 09:55 AM #1
Instalalarm switch identification
Robert Moore
Lagniappe
'73 53' Hatteras Classic
Hull 391
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11-25-2020 10:13 AM #2Senior Member
- Join Date
- Jun 2018
- Posts
- 1,069
Re: Instalalarm switch identification
The bottom switch is to turn off the oil alarm when the engine is not running. The test rotary knob simply closes the circuit to each function, thereby checking the bulb and alarm. Mine does not have that second switch, but it should be easy to figure out once you get all of the bulbs working.
Prometheus
1978 53' MY Hull #529
Viera, FL
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Re: Instalalarm switch identification
I have no idea, mine has only one toggle switch. Sams has new face plates for those units, however they only have one hole for the toggle switch. Looks like someone added a switch at some point. John
Mahalo V
1974 53 Motoryacht
Hull Number 406
San Diego, Ca. Ready 32 Nordic Tug, Brunswick Ga.
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11-25-2020 11:10 AM #4
Re: Instalalarm switch identification
OK, further investigation (opened it up) shows that the additional switch appears to be a defeat switch for the audible alarm. With it in its off position only the lights illuminate when the Test switch is rotated. Based on what I see with the wiring, it may/may not be factory. Whether or not it performs an additional function is still unclear. Anyway, on to replacing the bad bulbs and the plastic bulb cover. Thanks for the replies.
Robert Moore
Lagniappe
'73 53' Hatteras Classic
Hull 391
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11-25-2020 12:33 PM #5Senior Member
- Join Date
- Jun 2018
- Posts
- 1,069
Re: Instalalarm switch identification
that makes sense, but probably not in a good way. I tripped the high water alarm once while cleaning the bilge and there is no way to turn the damn thing off. It stays on for awhile. I resorted to disconnecting the fuse, but I suspect the po added a switch.
Prometheus
1978 53' MY Hull #529
Viera, FL
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11-25-2020 01:02 PM #6
Re: Instalalarm switch identification
One final question; Looking for replacements, the CM 1825 bulb apparently comes in a couple of different voltages. What voltage is the panel?
Robert Moore
Lagniappe
'73 53' Hatteras Classic
Hull 391
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