Laserfiche WebLink
'''' PVSR <br /> i OTTER VANE TYPE WATERFLOW <br /> ` e The Symbol of Protection ALARM SWITCH WITH 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. <br /> The retard and switch assembly are easily field replaceable.In the unlikely event that either component does not perfonn properly,please order <br /> replacement retard switch assembly stock#1029030(see Fig.6).There is no maintenance required,only periodic testing and inspection. <br /> Retard/Switch Assembly Replacement(See Fig.6) <br /> NOTICE The Retard/Switch Assembly is field-replaceable without draining the system or removing the waterfiow switch from the <br /> pipe <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 waterfiow 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 /> Fig.6 REMOVE(2)ORIGINAL MOUNTING <br /> SCREWS HOLDING RETARD/SWITCH <br /> ASSEMBLY TO BASE <br /> BREAK OUTTHIN SECTION OF COVER <br /> WHEN WIRING BOTH SWITCHES <br /> FROM ONE CONDUIT ENTRANCE. (2)ORIGINAL MOUNTING <br /> I j CREWS <br /> j0I RETARD/SWITCH ASSEMBLY / <br /> • ,;,-:,_-_. 4.2- 7 . ii n <br /> 1, \\%� .I/ ( �cir_III <br /> ill <br /> � � (2)LOCATING PINSVI <br /> I <br /> I <br /> I <br /> •!.�(i (2)LOCATING PIN I <br /> DO NOT REMOVE 1 BOSSES IN BASE \ yy <br /> (2)RETARD HOUSING I •; I� 1 ■ <br /> SCREWS Lr'■r) 4-1 _=_1151Mri ill. <br /> IO • \v , u i <br /> it ,r•;;Z' 4' HAS <br /> , rffi IN <br /> Co--- -------i --as------1"- <br /> Valwilk riici,i, <br /> DWG#1146-10 <br /> Removal of Waterflow Switch <br /> • To prevent accidental water damage,all control valves should be shut tight and the system completely drained before waterflow detectors are <br /> removed or replaced. <br /> • Turn off electrical power to the detector,then disconnect wiring. <br /> • Loosen nuts and remove U-bolts. <br /> • Gently lift the saddle far enough to get your fingers under it. With your fingers,roll the vane so it will fit through the hole while continuing <br /> 0 to lift the waterflow detector saddle. <br /> Lift detector clear of pipe. <br /> PRINTED IN USA MFG.#5401146-REV L PAGE 4 OF 4 <br /> 3109 <br />