Transcript
39214-350/Issue 1
Commissioning It is important that the system be fully tested after installation. Check that the fire detection and alarm system and the system controlled by the relay operate correctly. LED Indicators Never connect a remote LED (or any other device) to the –R and +R terminals. Use the terminals marked R1 and R2. Troubleshooting Before investigating individual units for faults, it is very important to check that the system wiring is fault free. Shield continuity faults on a data loop or any ancillary zone wiring may cause communication errors. Many fault conditions are the result of simple wiring errors. Technical Data Environment Operating temperature Humidity Base material Electrical Supply voltage Relay reset current Relay set current Surge current Contact ratings
indoor, non-icing, non-condensing 0°F (-20°C) to 155°F (54°C) 32°F (0°C) to 100°F (38°C) (UL approved continuous operating range) 0 to 95%RH white polycarbonate V-0 to UL94 17–28V dc plus protocol voltage pulses <1µA 40µA 5mA, 250ms 1A at 30V dc resistive, 0.3A at 75V dc resistive, 0.7A at 50V ac resistive
Alpha Low Power Relay Base Installation Instructions General The Alpha Low Power Relay Base, part no MIX-2001R, is intended for use only with Alpha fire detectors and a compatible control panel. It incorporates a relay to control field equipment. The relay is controlled by the detector and must therefore be fitted with an Alpha detector in order to function. The detector is powered via the base from the normal loop voltage of 17–28V dc. Control panel comptibility The base must be used with Alpha detectors connected to an Alpha compatible control panel. Where local codes allow, they may be used to provide volt-free control signals to an auxiliary system such as an automatic door closer. They are not suitable for use in systems where it is specified or required that operation of the auxiliary system shall be fail-safe.
Canada 25 Interchange Way, Vaughan, Ontario, L4K 5W3 Tel: (905) 660-4655, Fax: (905) 660-4113
Warning These bases must not be connected to a mains supply. The maximum voltage applied to the relay contact terminals must not exceed 50V ac and 75V dc .
USA 60 Industrial Parkway, Cheektowaga, New York 14227 Tel Toll Free: (888) 660-4655, Fax Toll Free: (888) 660-4113
LT-1035
Website: www.mircom.com
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Installation The Alpha Low Power Relay Base must be installed in accordance with the applicable NFPA standards, local codes and jurisdictional authorities. Failure to follow these instructions may result in failure of the detectors to report an alarm condition. Mircom is not responsible for detectors which are improperly installed, maintained and tested.
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Fig 1 Alpha Low Power Relay Base wiring diagram
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© Apollo Fire Detectors Limited 1997–2004/RHD/JDR
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R2 R1 N/O COM N/C
– +
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Remote indicator LEDs are connected between R1 and R2 on the terminal block.
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Teminal block connections
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SHIELD
Remote LED
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To associated system
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Note: The base terminals marked –R and +R must not be used for connections of a remote LED or any other device.
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Wiring CAUTION: Do not use looped wire under terminals L1 and L2. Break wire run to provide supervision of connections. Terminals L1 and L2 are polarity insensitive.
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Use 3” octagonal box for direct connection to the base. 4” octagonal and 4” square boxes may be used with proper UL listed mounting brackets. When mounting on a wall, install 4” to 12” from the ceiling. Use 3M Weatherban 606 Non-Flammable sealing compound (or equivalent) to seal field wiring conduit opening in the electrical box, this will reduce the stack effect. Secure the base to the electrical box with appropriate screws. Do not overtighten the screws. The raised mark on the side of the base indicates the direction of the detector LED when fitted. Connect the shield, if required, to the SHIELD terminal on the base. For information on how to set the address of each device correctly refer to the section ‘Address Setting’.
Select the desired address and remove the pips indicated in black. Remove pips with a small screwdriver.
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Before installing relay bases check the continuity, polarity and insulation resistance of all wiring. Check that siting in accordance with the fire system drawings and conforms to all applicable local codes such as NFPA 72.
Address Setting Refer to the table below for the complete list of address setting
