Analytic Systems VTC615 Series Manuel utilisateur

INSTALLATION &

OPERATION MANUAL

VTC615 SERIES

Voltage Converter

8128 River Way, Delta B.C. V4G 1K5 Canada T. 604.946.9981 F. 604.946.9983 TF. 800.668.3884 (US/CANADA)

www.analyticsystems.com

An ISO9001 and AS9100 Registered Company Battery Chargers •Inverters •Power Supplies •Voltage Converters

IMPORTANT & SAFETY INSTRUCTIONS

1. SAVE THESE INSTRUCTIONS — This manual contains important safety and operating

instructions for this voltage converter.

2. Do not expose this voltage converter to rain or snow.

3. Use of an attachment not recommended or sold by the voltage converter manufacturer

may result in a risk of re, electric shock, or injury to persons.

4. Do not disassemble this voltage converter; take it to a qualied serviceman when service

or repair is required. Incorrect reassembly may result in a risk of electric shock or re.

5. To reduce risk of electric shock, disconnect this voltage converter from it power source

before attempting any maintenance or cleaning. Turning off the controls will not reduce

this risk.

6. CONVERTER LOCATION

i. Never place converter directly above battery; gases from battery will corrode and

damage converter.

ii. Never allow battery acid to drip on converter when reading gravity or lling battery.

7. DC CONNECTION PRECAUTIONS

i. Connect and disconnect DC output connections only after setting converter switch to

off position.

Analytic Systems, does not recommend the use of the VTC615 Series Voltage Converters

in life support applications where failure or malfunction of this product can be reasonably

expected to cause failure of the life support device or to signicantly affect its safety or

effectiveness. Analytic Systems does not recommend the use of any of its products in direct

patient care.

Examples of devices considered to be life support devices are neonatal oxygen analyzers,

nerve stimulators (whether used for anesthesia, pain relief, or other purposes), autotransfu-

sion devices, blood pumps, debrillators, arrhythmia detectors and alarms, pacemakers,

hemodialysis systems, peritoneal dialysis systems, neonatal ventilator incubators, ventilators

for both adults and infants, anesthesia ventilators, and infusion pumps as well as any other

devices designated as “critical” by the U.S. FDA.

Introduction

All new Current Mode switching design offers increased power and reliability in a compact

package. Extra input and output ltering reduce EMI to extremely low levels. Reliability

features include an input fuse, thermal shutdown, current limiting, reverse battery hookup

protection and output short circuit shutdown with automatic recovery. The output voltage

is easily adjusted 1.0 volts above or below the standard output voltage. An output overvolt-

age crowbar circuit protects devices connected to the converter. The VTC615 Series Voltage

Converter supplies either 12, 24, 32 or 48 VDC from a 24, 36, 48 or 72 VDC power source.

Other input or output voltages up to 72 volts are also available by special order. High quality

digital meters can be added (factory option) to allow monitoring of output current and output

voltage.

Specications

Input Voltages

Nominal (ip) 24 36 48 72

Actual ** 20 – 35 **30-45 ** 40 – 60 ** 65 – 90

Input Amps (max) 39.5 27.1 20.3 12.6

Input Fuse 3 x ATC-15 2 x ATC-15 1 x ATC-25 1 x ATC-20

Output Voltages

Nominal (op) 12 24 48

Actual 13.6 ± 0.05V 27.2 ± 0.05V 54.4 ± 0.05V

Output Adjustment ± 1.0 Volts

Output Amps (cont) 0 - 40 0 - 20 0 - 10

Output Amps (max) 45 25 12.5

Output Crowbar 16.0 ± 0.5 V 32 ± 1.0 V 63.9 ± 2.0 V

Switching Frequency 60 ± 2 KHz

Idle Power < 10 Watts

Noise on Input < 50 milli-Volts

Noise on Output < 50 milli-Volts

Transient Response < 2V for 50% Surge (Output Amps/2)

Efciency > 85 % @ maximum output

Temp. Range -25 to 40 deg. C @ maximum output

Isolation Input-Output & Input-Case 1500 Vdc (500 Vdc @ 24 V In),

Output-Case 500 VDC (1500Vdc @ 48 V Out)

Dimensions 14.5 x 10 x 4 in / 37 x 25 x 10 cm

Clearance 1 Inch (2.5 cm) all around

Material Marine Grade Aluminum

Finish Black Powder Epoxy

Fastenings 18-8 Stainless

Weight 7.2 lb / 3.3 kg

** Actual startup is at 22, 42, or 67Vdc Input, depending on model

* Specications subjects to change without notice.

Designed and manufactured by: ANALYTIC SYSTEMS WARE (1993) LTD.

8128 River Way

Delta, BC V4G 1K5 Canada

p. 604.946.9981 f. 604.946.9983

tf. 800.668.3884 US/Canada

www.analyticsystems.com [email protected] Revised September 2014

Installation

MOUNTING

Mount the unit in a DRY location. Allow at least 4 inches of clearance around it for adequate

cooling.

POWER CONNECTION

The unit is supplied with power leads about 3 feet long. This should normally be adequate to

connect to a source of power. If you must extend the power leads, be sure to use at least a

good quality (typeTEW) wire of at least the same gauge as supplied with the unit. The wire

colours are

All connections should be made inside an appropriate junction box. Refer to the specications

table for the correct sizing of the circuit breaker in the distribution panel.

A ground stud is provided to bond the chassis to local ground to reduce or eliminate EMI.

OUTPUT CONNECTIONS

Two Positive output terminals and two Negative output terminals are provided. Connect only

one wire to each terminal. Ensure that the total average load connected does not exceed the

continuous current rating of the unit.

LOAD SHARE OPTION

The units may be congured for load sharing if they are equipped with the optional output

isolation diodes. To conrm that your unit has these diodes, use an ohmmeter to

Red - Positive Black- Negative

measure the resistance between the two positive output terminals. If the diodes are present

the terminals will measure as not connected. If the diodes are NOT present, the terminals

will measure as a short circuit. Assuming the output isolation diodes are present, connect one

4 foot piece of #14 AWG red wire to each positive output terminal. Connect all the positive

wires to a distribution bus, or connect them together, and then connect from the common

point to the load using the correct gauge of wire for the total output capability of all the

Operation

Turn the switch on the top of the unit on to energize the outputs. The green ‘Output On’

indicator light will glow to indicate the proper operation of the unit.

OUTPUT ADJUSTMENT

The unit has an adjustment potentiometer to allow up to ± 1.0V adjustment of the output

voltage. This potentiometer is accessed through a small hole in the top of the voltage

converter. As shipped from the factory, the unit is preset for a voltage of 13.6, 27.2, 36.3 or

54.4VDC. If you wish to adjust this voltage, remove the cover plate (secured by 2 screws) to

expose the Output Adjust potentiometer. Reach in with a very small at blade screwdriver

to rotate the potentiometer. Clockwise increases the output voltage and counter clockwise

decreases it. When you are done, replace the cover plate and securely tighten the screws.

METERS

A high quality digital meter can be added to the voltage converter (factory installed only).

The meter shows simultaneous voltage and current on either of the two output terminals. A

toggle switch permits selection between the output terminals. The meter features bright red

LED readouts to permit easy monitoring from many feet or meters away.

supplies running in parallel. Repeat this process for the negative terminals using the same

gauges of wire, but black in colour. These units should now load share. You can conrm this

by watching the output ammeters. A slight difference is negligible, however, if this is not

the case, you can increase the output voltage of the unit that is reading low using the output

adjust potentiometer.

Troubleshooting

This unit provides LED indicators and a buzzer to help diagnose any problems. The unit should

sound the buzzer to alert you prior to shutting itself down. You should immediately check the

indicators to determine the cause of the shutdown.

OVERLOAD Indicates that the output current has exceeded the continuous rating of the unit.

LOW OUTPUT Indicates that the output voltage is below normal because:

The current demanded by the devices connected to the unit exceeds the

maximum output current rating, causing the output voltage to drop to maintain

the current at the maximum level

The input voltage is not high enough for unit to operate,

LOW INPUT Indicates that the input voltage is below normal because:

The input voltage is not in the correct range for proper operation of the unit.

OVERTEMP Indicates that the Battery Charger is running too hot because:

Too much power is being drawn, turn off or unplug some devices.

The Battery Charger is located in a poorly ventilated area.

If the load exceeds the continuous rating for too long a period, the temperature sensor inside

the unit will turn off the outputs. After the unit cools sufciently, it will automatically come

back on. If this happens frequently, remount the unit for increased airow so it cools better.

Remote Control Option

A remote control panel may be connected to the voltage converter using a 9-pin D-connector

that attaches to the side of the voltage converter. The remote control panel and D connector

are part of the remote control option. The remote control panel allows the unit to be operated

remotely as well as duplicating all the diagnostic indicators and audible alarm.

This connector is located on the side of the unit. Important: To prevent the possibility of High

Voltage Electrical Shock, do not power up the Voltage Converter unless all wiring from the unit

to the remote is securely connected. Do not remove the dust cover from the DB-9 connector if

the remote is not being used.

IMPORTANT: This remote is to be used only on

Voltage Converters manufactured by Analytic Systems.

Special Services & Options

Conformal Coating INCLUDED ON ALL UNITS UNLESS REQUESTED NOT TO as of April 1, 2014

Option “c” Ruggedization Package (EXTRA Conformal Coating and RTV Compound)

Option “v” Marine / Industrial Pkg (EXTRA Conformal dipping and RTV Compound)

Option “MS” Military Pkg

(incl. Wide Temp Components, Conformal Dipping and RTV Compound)

Option “w” Wide Temperature Operation (-40 to +55 C, incl)

Option “SM” High Voltage Protection on the DC Input Side

Option “d” Paralleling Diodes

Option “FI” Forklift Modications

Option “F” Open Frame - No chassis just heat sink bars (not for all products)

Special Input There is no charge for nominal output voltages (ie. 12.0, 24.0, 48.0), but this

must be noted at the time of order (Contact Factory for details)

Special Output

Water tight options IP66, IPS67, IPS68

Ce manuel convient aux modèles suivants

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