Initiating Device Circuits Installation Procedure
RP-1001 15150:F 05/24/2001 15
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Wire all alarm initiating devices sequentially for proper supervision. Initiating devices include
manual pull stations, waterflow alarm devices, and heat-, photoelectric-, and ionization-type detec-
tors. Refer to the Device Compatibility Document for compatible devices.
Notes:
1. Observe polarity when connecting polarized devices.
2. All circuits are supervised and power-limited.
3. Leave dummy load resistor (provided) on all unused circuits.
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Figure 2.2 Initiating Device Circuits
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,1 ,1 ,1 ,1
Smoke
Detector
Style B (Class B)
Initiating Device
Circuit
Style B (Class B)
Supervisory
Circuit
Normally Open
Waterflow
Devices or
Pressure Switches
Normally Open
Tamper Switches
or Pressure
Switches
4.7K, 1/2-Watt
(part # 71252,
UL listed)
Style D (Class A) or Style B (Class B)
Initiating Device Circuits
Heat
Detector
Manual
Pull Station
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