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The Model 310X's circuits are not nonincendive field‑wiring circuits except the foot switches. Wire all circuits
connected to the 310X Intercom using Class I, Division 2 wiring methods specified in Article 501‑4 (b) of the NEC.
F. Service.
Any maintenance must be performed by a trained electrician in accordance with NEC guidelines and local codes.
1. General.
The call signal is substantially louder than normal voice messages being carried on the line.
Do not depress the call switch while carrying on a conversation with someone on the system.
Federal Signal will service your equipment or provide technical assistance with any problems that cannot be
handled locally.
Any units returned to Federal Signal for service, inspection, or repair must be accompanied by a Return
Material Authorization. This R.M.A can be obtained from the local Distributor or Manufacturer's Representative.
At this time a brief explanation of the service requested or the nature of the malfunction, should be given.
Address all communications and shipments to:
Federal Signal Corporation
2645 Federal Signal Drive
University Park, IL 60484‑3167
www.fedsig.com
Customer Support: 1 708‑534‑4756
Technical Support: 1 800‑755‑7621 • 1 708‑587‑3587
Replacement Parts.
Description
PC Board, 310‑MV
Potentiometer
Toggle Switch
Push Button Switch
Knob, Pot
Rubber Boot (Toggle Switch)
Rubber Boot (Volume Control)
310‑MV/310X‑MV Speaker/Housing Assy.
Housing Cover Plate w/microphone conversion
Cover Gasket
Resistor, 1K, 1W
Permanent Secondary Kit
Mini‑jumpers
This will subject the listener to very loud sound levels.
Replace fuse with GMC‑1/2 only. DO NOT substitute.
Part Number
K2001915C
K106A123A
K122A298A
K122A299A
K141A129A
K288801A
K288A542A
K8590217A
K8502016B
K8590013B
K101216A
K8502017A
K139A209B
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