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P83932 D 

Sheet 5 of 8 

WIRING INFORMATION: 
 

1.  The chime is factory set in single stroke (SS) mode.  It can be changed to vibrating (VIB) mode before wiring the appliance with the 

provided jumper.  Refer to PC Board layout shown in Figure 4.  (SS = single stroke, VIB = vibrating) 

 

SINGLE STROKE OPERATION:  The minimum input pulse duration must be at least 160 milliseconds "on" time and 160 milliseconds 
"off" time.  The chime will only operate once each time it is pulsed.  This mode is recommended for coded systems. 

 

VIBRATING OPERATION:  Continuous input voltage must be applied to the chime to activate the chime at one second intervals. 

 
2. 

The volume and tone controls have been adjusted at the factory to insure maximum dBA output.  However, once the mode is 
selected, the installer may want to fine tune the appliance to better suit the application. 

 
 

Figure 1. 

Chime Appliance and Strobe Appliance operate independently.  
Recommended for coded systems where the chime is set on single 
stroke (SS) mode and is cycled on and off while the strobe flashes 
continuously.

 

 

Figure 2. 

Chime Appliance and Strobe Appliance operate in unison.  Red and 
black wires are supplied.  The chime must be set for vibrating mode 
(VIB).  (Use of Sync Module is not recommended in this wiring 
option)

 

 

 

 

 

 

 

 

 

 

*  Refer to Sync Module instruction sheets SM (P83123), DSM (P83177) or PS-12/24-8 (P83862) for additional information. 

 
 

Figure 3.

 

 

 

 

 

1.  The Chime  Strobe model has in-out wiring terminals that accept two #12 to #18 

American Wire Gauge (AWG) wires at each screw terminal.  Strip leads 3/8 inches and 
connect to screw terminals. 

 

2.  Break all in-out wire runs on supervised circuits to assure integrity of circuit 

supervision as shown in Figure 3.  The polarity shown in the wiring diagrams is for 
operation of the appliances.  The polarity is reversed by the FACP during supervision. 

 
GROUNDING: 

 Install the appliance to a grounded backbox

 

(Per NFPA 70, the National Electrical  Code) using the lockwashers 

provided in hardware bag under the head of each mounting screw for the appliance. 
 
 

Figure 4:  PC Board Layout

 

 

 
 
 

 

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Summary of Contents for CH70-24MCW Series

Page 1: ...ied by the symbol All warnings are printed in bold capital letters WARNING READ THESE INSTRUCTIONS CAREFULLY FAILURE TO COMPLY WITH ANY OF THE FOLLOWING INSTRUCTIONS CAUTIONS AND WARNINGS COULD RESULT...

Page 2: ...APACITY OR THE CURRENT RATINGS OF ANY FUSES ON THE CIRCUITS TO WHICH THESE APPLIANCES ARE WIRED OVERLOADING POWER SOURCES OR EXCEEDING FUSE RATINGS COULD RESULT IN LOSS OF POWER AND FAILURE TO ALERT O...

Page 3: ...75 4 5 12 9 0 23 22 5 54 33 0 76 80 4 5 10 9 0 17 22 5 47 33 0 64 85 3 8 5 7 5 10 18 8 25 27 5 33 90 3 8 7 7 5 15 18 8 39 27 5 52 Table 3B Vertical Plane Vertical 15cd 30cd 75cd 110cd Angle in deg UL...

Page 4: ...P83932 D Sheet 4 of 8 www PDF Zoo com...

Page 5: ...stems where the chime is set on single stroke SS mode and is cycled on and off while the strobe flashes continuously Figure 2 Chime Appliance and Strobe Appliance operate in unison Red and black wires...

Page 6: ...niques to position the field wires in the backbox so that they use minimum space and produce minimum stress on the product This is especially important for stiff heavy gauge wires and wires with thick...

Page 7: ...TIONS SPECIAL ATTENTION SHOULD BE GIVEN TO THE LOCATION OF THE STROBES SO THAT THEIR OPERATING EFFECT CAN BE SEEN BY ALL INTENDED VIEWERS WITH THE INTENSITY NUMBER AND TYPE OF STROBES BEING SUFFICIENT...

Page 8: ...ons on wiring and or locating Notification Appliance Circuits NAC and notification appliances Some system communication circuits and or audio circuits for example may require special precautions to as...

Page 9: ...ATION ABUSE ACCIDENT OR OTHER OPERATING CONDITIONS BEYOND WHEELOCK S CONTROL SOME WHEELOCK PRODUCTS CONTAIN SOFTWARE WITH RESPECT TO THOSE PRODUCTS WHEELOCK DOES NOT WARRANTY THAT THE OPERATION OF THE...

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