Preliminary Testing With No Ac Available; Electrical Testing Of Triple-Single Reclosers: Nova-Ts And Nova Sts - Eaton COOPER POWER Series Installation And Operation Instructions Manual

Service Information S280-42-2 NOVA-TS Recloser
● ●
Installation and Operation Instructions
Service Information S280-44-1 NOVA STS Recloser
● ●
Installation and Operation Instructions
Hazardous voltage . Cable conductors attached to
controls will remain at 53 VDC and 120/240 VAC potential
while connected to the control . Contact with any pins
at the end of the cable directly or indirectly connected
to a control can result in personal injury or equipment
damage . Disconnect battery and external power sources
in the control then remove control cable at control end
before disconnecting from recloser end .
5. Remove any control input and status output wiring from
TB1, TB3, and TB4 (Figure 35).
6. Disconnect any serial communications ports and IRIG-B
timing connections (Figure 35).
7 . Disconnect the ground from the control.
8. Carefully transport the control to a suitable
service facility.

Preliminary testing with no AC available

If the Form 6 control is not in service and requires
energization for preliminary testing, it can be powered up
with (connected) battery power only.
N otee: Controls with expanded memory require battery
voltage to be 23 VDC minimum.
1. Open the rear door of the Form 6-TS pole-mount
control cabinet and locate terminals TM1 and TM2 on
the power supply circuit board (Figure 36).
Figure 35 . Location of terminals TM1 and TM2 on the
power supply circuit board
2. Momentarily jumper terminals TM1 and TM2 together.
(The control will power up.)
3. To power down the Form 6 control, unplug the battery
(disconnect the black/red battery connector).
Form 6 triple-single microprocessor-based pole-mount recloser control
CAUTION
INSTALLATION AND OPERATION INSTRUCTIONS MN280080EN July 2018
4. Perform a battery charging cycle. Refer to Battery
charging in the Battery test and charging procedures
section of these instructions.
While the Form 6 control is powered in this manner, the
control battery is being continuously discharged. When
the battery voltage drops to 22 VDC, the control will
automatically power down.
If the battery is left in a discharged condition, the battery(s)
will sustain permanent irreversible damage. Therefore, a
battery charging cycle should always be performed after
this procedure to bring the battery(s) back up to full charge.
T312 .3
CI1 CI2 CI3 SS1 CO1
1 3 5 7 9 11 13
TB1
2 4 6 8 10 12
CI1 CI2 CI3 SS1 CO1 CO2 CO3 CO4
CI4 CI5 CI6 CI7 CI8 CI9 CI10 CI11 CO5
1 3 5 7 9 11 13
TB3
2 4 6 8 10 12
CI4 CI5 CI6 CI7 CI8 CI9 CI10 CI11 CO5 CO6
Figure 36 . Back view of top half of Form 6-TS recloser
control
Electrical testing of triple-single reclosers: NOVA-TS
and NOVA STS
Hazardous voltage . Solidly ground all equipment . Failure
to comply can result in death, severe personal injury,
and equipment damage .
Each phase in the triple-single recloser utilizes an interface
circuit located in its mechanism housing. The electronic
interface circuit controls the opening and closing signals to
the magnetic actuator.
Figure 37 shows a test circuit for NOVA-TS reclosers with
the Form 6-TS control.
N otee: The same test circuit set-up can applied to each
phase when testing the NOVA STS recloser, except
connection is direct from the control to the recloser.
No junction box is required.
To ensure proper operation for the NOVA-TS recloser,
always verify that the three cables between the junction box
and the NOVA-TS reclosers are connected when the control
is in single-phase trip, three-phase lockout mode or three-
phase trip, three-phase lockout (ganged) mode.
Use this circuit to simulate load current and for testing
minimum trip operation and sequencing the mechanism
with the Form 6-TS control for each phase.
NOTICE
RS-485 C + –
CO2 CO3 CO4
15 17 19
J1-RS-232
RS-232 DTE
14 16 18
CO7 CO8 CO9 CO10
CO6 CO11 CO12
15 17 19 21 1 3 5 7 9 11 13
14 16 18 20 2 4 6 8 10 12
CO7 CO8 CO9 CO10 CO11 CO12
WARNING
IMPORTANT
IRIG-B
TB4
T223 .2
37