Vanguard CT-3500 - Manual (Page 9)

Model CT-3500

Operating Procedures
5
4.0 PRETEST SETUP
4.1
Operating Voltage
Primary input-power operating voltage is
selectable between 90 to 120 Vac and 220 to
240 Vac.
Unless specified differently at the time of
purchase, the CT-3500 is configured to
operate from a 90 to 120 Vac (default) input.
Changing jumper links on the primary
power strip selects alternate (refer to Table
3) voltage levels
Table 3. Input-Voltage-Selection Jumper Configurations
VOLTAGE SELECTION J1 JUMPERS
90 to 120 Volts, ac Pin 1-2 and Pin 3-4
220 to 240 Volts, ac Pin 2-3
4.2 CT-3500 Printer Paper
The CT-3500 printer uses 2.5-inch wide
thermal paper for printing test results. We
recommend that to maintain the highest
quality printing and to avoid paper jamming,
use paper supplied by our factory. Paper
can be ordered from two sources, as follows:
Vanguard Instruments Co, Inc.
1710 Grevillea Court
Ontario, CA 91761
Tel: 909-923-9390
Fax: 909-923-9391
Part Number: TP-3 Paper
OR
BG Instrument Co.
13607 E. Trent Avenue
Spokane, WA 99216
Tel: 509-893-9881
Fax: 509-893-9803
Part Number: TP-3 paper
4.3 Test Cable Connections
Typical connection of a CT-3500 to a circuit
breaker is shown in Figure 2.0.
Note
Always connect CT-3500 ground to
the substation ground before connect
any hook up cables to the circuit
breaker.
4.3.1 Contact Cable Connection
CT-3500 contact cable contains 3 red clips
and one black clip. The red clips are marked
A, B, C for phase A, B, and C. The black
clip is common of the sense cable.
4.3.2 Trigger Cable Connection
Trigger cable contains 3 leads. The leads are
marked OPEN, CLOSE, COM. The CT-
3500 timers are started by sensing the OPEN
or CLOSE coil voltages. The trigger
connection is shown in figure 3.0.