Fire Alarm Systems | CH70 Multi candela Chime Strobes
CH70 Multi candela Chime Strobes
www.boschsecurity.com
These Wheelock CH70 Multi candela, Wall mount Chime Strobes provide a low current draw, a choice of single stroke or vibrating operation, an adjustable sound level, a chime tone adjustable from 800 Hz to 1200 Hz, and a choice of four light output intensities (15 cd, 30 cd, 75 cd, or 110 cd) in one unit. The strobes can be synchronized using SM (single) or DSM (dual) modules. They also have an attached mounting plate for easy indoor installation on a variety of electrical boxes.
Functions
Sound Mode Settings
The chimes are factory set in single stroke mode. They can be changed to vibrating mode before wiring by moving a jumper.
Single Stroke Mode
The minimum input pulse duration must be at least 160 ms on and 160 ms off. The chime only operates once each time it is pulsed. Use this mode for coded systems.
Vibrating Mode
Continuous input voltage must be applied to the chime to activate the chime at 1 sec intervals.
uLow current draw with temperature compensation to reduce power consumption and wiring costs
u24 VDC, filtered or FWR
uAdjustable volume and tone
uSingle stroke or vibrating tone
uSelectable strobe intensities of 15 cd, 30 cd, 75 cd, or 110 cd
Strobe Settings
The unit comes set at 15 cd. Change the setting using a screwdriver in the slot in the unit's base (setting is visible on indicator plate within the lens).
Volume and Tone Settings
The volume and tone controls are factory set to ensure maximum dBA output. The volume and tone can be tuned to suit a particular application, but appropriate measurements must be taken to ensure the volume meets the listing requirements for private mode fire protective service per UL464.
Certifications and approvals
Cooper Wheelock, Inc. holds these Listings and Approvals:
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USA |
UL |
UCST: Audible Signal Appliances, Gener- |
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al Siganal (UL464), ULSZ: Audible Sig- |
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nal Appliances (UL464), UUKC: Signal- |
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ing Appliances and Equipment for the |
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Hearing Impaired (UL1971) |
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CSFM |
see our website |
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