INSTALLATION INSTRUCTIONS
FOR 3H, 4H, 4M, and 6H Air Horns
Address all communications and shipments to:
FEDERAL SIGNAL CORPORATION
Electrical Products DivisionService Department2645 Federal Signal DriveUniversity Park, IL 60466-3195
Page 1: ...STRUCTIONS FOR 3H 4H 4M and 6H Air Horns Address all communications and shipments to FEDERAL SIGNAL CORPORATION Electrical Products Division Service Department 2645 Federal Signal Drive University Par...
Page 2: ...otection when testing the horn After installation ensure that all bolts and threaded joints have been tightened Establish a procedure to routinely check the sound system for proper activation and oper...
Page 3: ...o the horn as possible The farther it is located from the horn the longer it will take to obtain full volume when activated and the longer it will take to stop sounding when deactivated 2 Before attac...
Page 4: ...local codes Never alter the unit in any manner Safety in hazardous locations may be endangered if additional openings or alterations are made to the unit in these locations Failure to follow all safe...
Page 5: ...ht Air Valve to A B C lbs Be Used 3H 4 7 8 4 3 4 3 7 8 3 5 EVS 4H 7 7 8 5 5 8 5 5 EVM 4M 11 1 4 5 9 16 5 7 5 EVM 6H 12 3 8 9 1 2 2 3 16 21 EVL Model Pipe Size Air Consumption Frequency dBA in cubic ft...