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(E) POTTER VS R <br /> The Symbol of Protection Vane Type Waterflow Alarm Switch W/Retard <br /> Maintenance <br /> Inspect detectors monthly. If leaks are found,replace the detector. The VSR waterflow switch should provide years of trouble-free service. The retard <br /> and switch assembly are easily field replaceable.In the unlikely event that either component does not perform properly,please order replacement retard <br /> switch assembly stock#1029030(see Fig.8).There is no maintenance required,only periodic testing and inspection. <br /> Retard/Switch Assembly Replacement (See Fig.8) <br /> 1. Make sure the fire alarm zone or circuit connected to the waterflow switch is bypassed or otherwise taken out of service. <br /> 2. Disconnect the power source for local bell(if applicable). <br /> 3. Identify and remove all wires from the waterflow switch. <br /> 4. Remove the(2)mounting screws holding retard/switch assembly to the base.Do not remove the(2)retard housing screws. <br /> 5. Remove the retard assembly by lifting it straight up over the tripstem. <br /> 6. Install the new retard assembly.Make sure the locating pins on the retard/switch assembly fit into the locating pin bosses on the base. <br /> 7. Re-install the(2)original mounting screws. <br /> 8. Reconnect all wires.Perform a flow test and place the system back in service. <br /> 1 <br /> The Retard/Switch Assembly is field-replaceable 7pipe <br /> g <br /> the system or removing the waterflow switch fro <br /> Fig.8 REMOVE(2)ORIGINAL MOUNTING <br /> SCREWS HOLDING RETARD/SWITCH <br /> ASSEMBLY TO BASE <br /> BREAK OUT THIN SECTION OF CO V ER <br /> WHEN WIRING BOTH SWITCHES <br /> FROM ONE CONDUIT ENTRANCE. (2)ORIGINAL MOUNTING <br /> CREWS <br /> RETARD/SWITCH ASSEMBLY <br /> Li <br /> (2)LOCATING PINS <br /> i <br /> o � � <br /> (2)LOCATING PINS <br /> DO NOT REMOVE BOSSES IN BASE <br /> (2)RETARD HOUSING <br /> SCREWS <br /> m <br /> BASE <br /> a <br /> 0 <br /> O O <br /> DWG#1146-10 <br /> Potter Electric Signal Company, LLC St. Louis, MO Phone: 800-325-3936 www.pottersignal.com <br /> 5401146-REV N 10/21 PAGE 4 OF 5 <br />