OPERATING PROCEDURES for the UPS-S2 Universal Power Supply Series 2 Vanguard Instruments Co., Inc. 1520 S. Hellman Ave. Ontario, California 91761 TEL: 909-923-9390 FAX: 909-923-9391 November 2013 REV.
Operating Procedures UPS-S2 SAFETY SUMMARY Follow Exact Operating Procedures Any deviation from the procedures described in this operator’s manual may create one or more safety hazards and damage the UPS-S2. Vanguard Instruments Co., Inc. assumes no liability for unsafe or improper use of the UPS-S2. The following safety precautions must be observed during all phases of test set-up, test hookups, testing, and test-lead disconnection.
Operating Procedures UPS-S2 TABLE OF CONTENTS Safety Summary 1.0 INTRODUCTION ................................................................................................................... 2 1.1.General Description .............................................................................................................. 2 1.4 Furnished Test Accessories................................................................................................... 2 2.0 UPS-S2 Specifications .................
Operating Procedures UPS-S2 1.0 INTRODUCTION 1.1.General Description The Vanguard Universal Power Supply Series 2 (UPS-S2) is designed and produced to meet a utility company’s substation need for an independent AC/DC power source. Both the AC and DC voltage sources are capable of supplying 10 amperes continuously. The variable output DC power supply (1-300Vdc) is ideal for use as a substitute primary power source when station batteries are not available.
Operating Procedures UPS-S2 2.0 UPS-S2 SPECIFICATIONS Table 1 UPS-S2 Specifications MODEL ................................................... UPS-S2 TYPE ....................................................... Special-purpose test equipment, Universal AC/DC power supply POWER ................................................... 85 to 132Vac or 200-240Vac (factory preset), 50/60 Hz SIZE (inches) .......................................... 21”W by 17”H by 9”D (53cm x 43cm x 24cm) WEIGHT ..................
Operating Procedures UPS-S2 3.0 CONTROLS AND INDICATORS 3.1 UPS-S2 Controls & Indicators The UPS-S2 controls and indicators are shown in a panel illustration (see Figure 1). Pointing leader lines reference each item in the figure with an index number. Each index number is crossreferenced to a functional description in Table 2.0, which describes the purpose of each item on the control panel.
Operating Procedures UPS-S2 Table 2 EZCT™ Controls and Indicators Fig. 1 PANEL MARKING Index FUNCTIONAL DESCRIPTION 1 (No Marking) Input power connector with third wire safety ground. 2 (no marking) Power Switch 3 FUSE 10A Main input power protection fuse. 250 Vac/10 Ampere slow-blow. 4 VOLTAGE CONTROL Test voltage control knob 5 HIGH RANGE LOW RANGE 6 GROUND 7&8 AC OUTPUT 9 DC VOLTAGE AC VOLTAGE 10 & 11 POS 12 FUSE 10A 13 POWER Output voltage range selection.
Operating Procedures UPS-S2 4.0 PRETEST SETUP 4.1 Operating Voltages The UPS-S2™ operating voltages are pre-set for 90-130Vac, 50/60Hz or 210-240Vac, 50/60Hz. at the factory. To set the UPS-S2 for 120Vac operation, the High Range jumper is connected to terminal 7 of the variac. To set the UPS-S2 for 240Vac operation, the high Range jumper is connected to terminal 6 of the variac. 120Vac Setting 240Vac Setting Figure 3 Variac Terminals 4.
Operating Procedures UPS-S2 5.0 UPS-S2 CABLE CONNECTIONS Always connect the UPS-S2 to the substation ground before connecting any test cables. A typical connection is shown in figure 3 Figure 3 Typical UPS-S2 Cable Connection 6.0 UPS-S2 OPERATIONAL PROCEDURES 6.1 UPS-S2 DC Supply Setting The following steps are recommended for a typical circuit breaker operation: 1. Ground the UPS-S2 to a substation safety ground. 2. Make sure theUPS-S2 power switch is in the off position. 3.
Operating Procedures UPS-S2 6.2 UPS-S2 AC Supply Setting The following steps are recommended for a typical circuit breaker operation: 1. Ground the UPS-S2 to a substation safety ground. 2. Make sure theUPS-S2 power switch is in the off position. 3. Turn the Voltage Control knob to zero output. 4. Set the Voltage Range switch to “LOW RANGE”. 5. Connect AC power to the UPS-S2. 6. Connect an AC volt-meter to the UPS-S2 AC output. 7. Select the AC voltage output on the UPS-S2. 8.
Operating Procedures UPS-S2 APPENDIX A UPS-S2 Troubleshooting Guide Item Symptom 1 No output. 2 Operating voltage is 120Vac. Cannot get output voltage above 120Vac Possible Problem 1. Power Switch is not on. 2. Voltage selection AC/DC in is the wrong position 3. Variac is not set. 4. Output fuse is blown Output voltage range switch is probably in “LOW RANGE” 9 Solution 1. Check Power switch. 2. Check voltage selection switch. 3. Turn Variac to increase voltage. 4. Check output fuse.
1520 S. Hellman Ave, Ontario, CA 91761, USA Phone: 909-923-9390 Fax: 909-923-9391 www.vanguard-instruments.
