Asco 911 series, Operator'S Manual

Page 1: ...ote Control RC Switches are factory wired and tested Installation requires mounting and connection of service cables and appropriate control circuits An experienced licensed electrician should install the RC Switch A typical Catalog Number is shown below Catalog Number Identification with Elements Explained Typical Series 911 catalog no for a H design 3 pole 600 ampere 240 volt 60 Hz control open ...

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Page 3: ... any other points Protect the arc barriers at all times from impact Nameplate Rating Label The Series 911 RC Switch contains a nameplate rating label which includes data for that specific RC Switch It defines the loads and fault current withstand closing ratings Refer to the label on the RC Switch for specific values and use the RC Switch only within their limits Do not exceed the values on the na...

Page 4: ...e interphase barriers that have cutouts to access cable terminals These interphase barriers should not be removed Always protect internal components from damage and metal chips and construction debris Do not run cables behind the RC Switch Conductors can be bundled on the right side of the switch Maintain proper electrical clearance between live metal parts and grounded metal inch minimum up to 40...

Page 5: ...n Minimum Fuse for 150 200 225 amp 911 RC Switches Control Voltage Inrush Current Control Line Run distance in feet 1 Minimum Fuse 2 Control Voltage Inrush Current 14 AWG 12 AWG 10 AWG Minimum Fuse 2 120 V 60 Hz 30 amps 395 630 1000 10 amps 240 V 60 Hz 15 amps 1580 2520 4000 5 amps Note 1 Maximum distance between RC Switch and remote control station Note 2 Fuse must be rated fro 100 000 amperes Ba...

Page 6: ...d remove the maintenance handle from the clips on the left side Insert the handle into the hole in the molded hub on the left side of the operator 3 Remove manual operator handle if detachable and store it on the RC Switch in the place provided Verify that maintenance handle has been removed 260 1200 amp switches before proceeding Figure 3 Maintenance Handle screwdriver for 100 225 ampere RC Switc...

Page 7: ...8 240 277 V ac relay not shown has a transformer Figure 6 Accessory 47 auxiliary relay Three Wire Control Optional Accessory 48 Auxiliary Relay This auxiliary relay Figure 7 if furnished is connected and mounted for enclosed RC switches or is supplied loose for open type switches The auxiliary relay can be added later by ordering Catalog 321A36 Specify the control voltage for the relay see Table G...

Page 8: ...A 49 E 277 49 F 12 49 G 24 1 2 49 H 32 1 2 watts 49 I 48 watts 49 J 110 Figure 8 Accessory 49 auxiliary relay Plug in relay and mounting socket Table I Acc 49 Plug In Auxiliary Relay Part Nos Accessory Relay Control Voltages Plug In Relay Accessory ac 60 Hz dc Relay Part Nos 49 A 24 321969 49 B 120 197660 49 C 208 269638 49 D 240 197661 49 E 277 255219 49 F 12 245774 49 G 24 255102 49 H 32 263707 ...

Page 9: ...supplied loose for open type switches The controls can be added later by ordering the appropriate kit listed in Table M below The kits include switch es and nameplate The switches mount in a 1 2 inch diameter hole and have 6 32 terminal screws for control wiring Refer to the Wiring Diagram for proper hookup of control switches Table M Acc 53 Door Mounted Controls Accessory For Use With Control Lin...

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Page 20: ... Switch nameplate Contact your local ASCO Power Technologies sales office or ASI In the United States call 1 800 800 ASCO 2726 or in Canada call 1 888 234 ASCO 2726 TROUBLE SHOOTING Problem Check Control Voltage Check Control Station Wiring Supply RC Switch does not close Load 1 contacts when the control station is closed Measure control voltage between RC switch TB terminals 1 and 2 If no voltage...