OM-1101 Page 4
3-5. TRANSFORMER INSTALLATION IN AUTO-
MATIC 2 SHUNT CONTROL (Figure 3-3)
WARNING: ELECTRIC SHOCK can kill.
•Do not touch live electrical parts.
•Shut down unit, and disconnect input power
employing lockout/tagging procedures be-
fore installing transformer.
Lockout/tagging procedures consist of pad-
locking line disconnect switch in open position,
removing fuses from fuse box, or shutting off
and red-tagging circuit breaker or other discon-
necting device.
IMPORTANT: All supplied parts may not be required for
every installation. Mounting holes are provided effective
with Serial No. JF880450.
1. Remove wrapper from Shunt Control.
2. Use supplied flux valve transformer T50 as a
template, and position directly behind the 115/36
volts control transformer (see Figure 3-3). Mark
location of mounting holes on bottom of case if
applicable.
CAUTION: METAL FILINGS AND/OR TOOL
CONTACT WITH INTERNAL COMPONENTS
can damage unit.
•Cover internal components.
•Clean unit and remove internal covering ma-
terial before resuming operation.
3. Remove transformer and drill or punch two 5/32
in (4 mm) mounting holes in marked positions if
applicable.
4. Install flux valve transformer with leads to rear of
case, and secure with supplied hardware.
5. Locate 3/16 in (4.7 mm ) predrilled hole located
toward front of shunt control (front of unit is end
with connecting receptacle) between the two
snap-in blanks.
6. Install rectifier SR50 and secure with supplied
hardware.
7. Locate two supplied 10 in (254 mm) long leads
with male and female friction connectors. Install
male ends of friction connectors to secondary
(blue) leads 100 and 101 of installed flux valve
transformer T50 (see Diagram 5-1).
8. Route leads to outside of mounting bracket, and
install female ends of friction connectors to AC
terminals of installed rectifier.
9. Remove snap-in blank directly below 16-pin re-
ceptacle on front panel, and install supplied cable
clamp.
10. Route female friction connector ends of supplied
10 ft (3 m) cord through cable clamp and attach
female friction connector of white lead to positive
(+) terminal and black lead to negative (–) termi-
nal of installed rectifier.
11. Insert connector cord plug PLG50 into flux valve
connector PLG51.
12. Tighten cable clamp.
13. Locate two supplied leads: one, 11 in (279 mm)
long and the other 10-1/4 in (260 mm ) long. The
10-1/4 in (260 mm) lead has a male friction con-
nector at one end and a pin connected on the op-
posite end. The 11 in (279 mm) lead has a male
friction connector at one end and no connector at
the other end.
14. Connect male friction connectors of these two
leads to female friction connectors on primary
(black) leads 4 and 6 installed transformer T50.
3-15/32 in.
12-3/32 in. 8-19/32 in.
Flux Valve
Transformer
Run leads to
outside of
mounting
bracket
ST-099 152-A
Figure 3-3. Shunt Control
