ASCO POWER TECHNOLOGIES 7000 Series Скачать руководство пользователя страница 9

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TESTING & SERVICE

(continued)

2--3

handle

shaft extension

frame

UP opens the

Emergency source

contacts

DOWN closes the

Emergency source

contacts

UPPER SHAFT

Figure 2–2. Maintenance handle operation for Emergency source contacts (upper shaft).

handle

shaft externsion

frame

UP closes the

Normal source

contacts

DOWN opens the

Normal source

contacts

LOWER SHAFT

Figure 2–3. Maintenance handle operation for Normal source contacts (lower shaft).

Table C. Maintenance handle positions.

ALL POWER MUST BE OFF !

Transfer Switch Position

Interlocked Shafts

Maintenance Handle

Shaft Indicators

Normal

t t h ft

shaft

extension

E = O

upper contacts open

Normal

link

contact shafts

shaft

extension

N = C

lower contacts closed

Load

E = O

upper contacts open

Load

Disconnected

down

N = O

lower contacts open

Emergency

down

E = C

upper contacts closed

Emergency

down

N = O

lower contacts open

* Link between contact shafts prevents closing both N and E contacts. The shaft extension and contact shaft turn in opposite

directions through a cam–follower mechanism. If Normal and Emergency connectios are reversed this operation is also reversed.

Содержание 7000 Series

Страница 1: ...installation and connection details and accessories Refer to Group 5 Controller User s Guide 381333 126 for ATS status display messages time delays pickup dropout settings and adjustments An experienced licensed electrician must install the 7ADTB Rating Label Each 7000 Series 7ADTB contains a rating label to define the load and fault circuit withstand closing ratings Refer to the label on the Tran...

Страница 2: ...00 amp 480 V ATS in Type 1 enclosure J7ADTB C 3 600 N 5 C Phase Poles Neutral A solid Amperes Voltage Controller Enclosure B switched 5X if accessories ordered 5 standard G type 4 C type 1 F type 3R L type 12 3 three Ø 2 single Ø D 220 C 208 E 230 K 415 M 460 J 400 L 440 N 480 G 277 F 240 H 380 Q 575 P 550 R 600 600 400 260 blank none blank open type 150 A 115 B 120 Transfer Switch inside Bypass H...

Страница 3: ...ne connections are in proper phase rotation Place engine gen erator starting control in the OFF position Make sure engine generator is not in operation Testing Power Conductors Do not connect the power conductors to the transfer switch until they are tested Installing power cables in conduit cable troughs and ceiling suspended hangers often requires considerable force The pulling of cables can dam...

Страница 4: ...ttom of the assembly Be sure to reconnect plug J3 to the P3 receptacle for automatic transfer switch operation Auxiliary Circuits Connect auxiliary circuit wires to appropriate terminals on transfer switch terminal block TB as shown on the wiring diagram provided with this automatic transfer switch engine start connections on customer terminal block TB Figure 1 1 Customer terminal block on the top...

Страница 5: ...lack square means light is on White square means light is off If necessary adjust voltage regulator on generator per the manufacturer s recommendations The 7ADTB will respond only to rated voltage specified on the nameplate Now continue to 2 Electrical Operation on next page 1 Close the normal source circuit breaker The Transfer Switch Connected To Normal and the Normal Source Accepted lights shou...

Страница 6: ...Isolation Handle clockwise to the CONN connected position 4 Turn Bypass Handle clockwise to the OPEN position This completes the Functional Test of the 7ADTB 1 Turn and hold Transfer Control switch clockwise to Transfer Test until the engine starts and runs within 15 sec The Emergency Source Accepted light should come on Load Disconnect Active 2 Transfer switch CN opens and the Transfer Switch Con...

Страница 7: ...ee page 3 4 Maintain transfer switch lubrication If switch is subjected to severe dust or abnormal operating conditions renew factory lubrication on all movements and linkages Relubricate solenoid operator if TS coil is replaced Don t use oil order lubrication kit 75 100 Check all cable connections retighten them REPLACEMENT PARTS Replacement parts are available in kit form When or dering parts pr...

Страница 8: ...witches Gen does not stop after load retransfer to normal source Wait for Feature 2E time delay to time out Starting control must be in the automatic position Load Disconnect Active light comes on Wait for load disconnect time delay to time out Explanation Transfer switch in delayed transition transfer mode Load disconnect time delay is adjustable from 0 to 5 min 59 sec Load Disconnect Active ligh...

Страница 9: ...positions ALL POWER MUST BE OFF Transfer Switch Position Interlocked Shafts Maintenance Handle Shaft Indicators Normal E t t h ft shaft extension up E O upper contacts open Normal N link contact shafts shaft extension up N C lower contacts closed Load E up E O upper contacts open Load Disconnected N down N O lower contacts open Emergency E down E C upper contacts closed Emergency N down N O lower ...

Страница 10: ...that the Transfer Switch is connected Solenoid interlock prevents incorrect operation 1 Observe which Transfer Switch Connected To light is on Normal or Emergency on the door This is the position of the transfer switch see Figure 3 2 2 Follow the directions on next page to Bypass to the same source as connected to transfer switch select Normal or Emergency Window indicator shows green when the ATS...

Страница 11: ... Bypass to Normal diagram BYPASS SWITCH BYPASSED TO NORMAL BYPASSED TO EMERGENCY Upper green light comes on Lower window indicator NORMAL shows yellow Figure 3 6 Status light and window indicator for Bypassed to Normal Source Turn the Bypass Handle clockwise until Bypass Switch Position shows closed on EMERGENCY yellow window indicator The red lightBypassed toEmergency willcome on and the amber li...

Страница 12: ...on TS TEST TS ISOLATED position window CONN TEST ISOLATE counterclockwise draws out the transfer switch Figure 3 10 Isolation Handle turned to TEST NOTE In the TEST position the transfer switch solenoid operator circuit is energized through secondary disconnects Hazardous voltage capable of causing electrical shock burns or death do not touch any control circuit terminals 3 Continue turningIsolati...

Страница 13: ...ould be checked annually Discoloration is normal Do not file contacts because it wastes material Instead use light emery paper to clean up the contact surfaces The non replaceable main contacts are designed to last the life of the transfer switch To prevent the possibility of fatal electrical shocks and burns bypass isolate and withdraw the transfer switch before working on it 1 Deenergize transfe...

Страница 14: ...n the transfer switch Figure 3 17 Isolation Handle turned to TEST 3 TheATScan betested nowwithout loadinterruption see page 2 1 Solenoid interlock prevents you from closing the isolation contacts until the ATS is in the same position as the Bypass Switch 4 ObservewhichBypass Switch Position windowindica tor is yellow NORMAL or EMERGENCY at the Bypass Switch Handle This indicates the source connect...

Страница 15: ...tch handle continue turning the Isolation Handle clockwise about 8 turns until the window shows CONN connected E L N Automatic Transfer Switch Bypass Switch Turn crank clockwise until window shows TEST Figure 3 18 TEST to CONN connected position TS CONNECTED Upper amber light should be on TS TEST TS ISOLATED position window CONN clockwise draws in the transfer switch Figure 3 19 Isolation Handle t...

Страница 16: ...Emergency Source Load connected to Normal Source The Transfer Switch Connected To Normal light is on and Transfer Switch Connected To Emergency light is off Load connected to Emergency Source The Transfer Switch Connected To Emergency light is on and Transfer Switch Connected To Normal light is off Turn the handle clockwise Turn the handle counterclockwise Turn the Bypass Handle clockwise until th...

Страница 17: ... emergency 1 3 load connected to normal 1 3 Load Disconnect Active light 1 4 lubrication 2 1 M maintenance preventive 2 1 maintenance handle 2 3 warning 2 3 manual load transfer 2 3 warning 2 3 N nameplate 1 1 Normal Source Accepted light 1 3 O operation electrical 1 4 manual 2 3 warning 2 3 optional accessories see Controller User s Guide P parts 2 1 phase rotation check 1 3 preventive maintenanc...

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