MRC PWR-3030 Operation Manual

PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION

3, Hagavish st. Israel 58817 Tel: [phone], Fax: [phone] [e-mail]

MRC.VER.01-2.12

Operation Manual for

Power Supply

PWR-3030

1

Packing list

3:5:

- 1x PWR-3030 Power Supply

- 1x Power Cord

- 1x PWR-3030 Power Supply Instruction Manual

MRC is liable for all missing or damaged parts / accessories
within 7 days after customer receives this instrument package. Please
contact MRC imm ediately reg arding th is issue. If n o respo nse is
received within such a time period from consignee party, it will be the
consignee party’s whole responsibility.

2

Table of contents

Packing list................................................................................................ 1

Warning .................................................................................................... 3

Product Specifications .............................................................................. 6

Product Description .................................................................................. 7

Introduction ............................................................................................... 8

Overview ............................................................................................ 8

Controls and Features ....................................................................... 9

Installation Instructions ........................................................................... 10

Operation Instructions ............................................................................. 10

Display Screen ................................................................................ 11

Constant Setup ................................................................................ 11

Programming Setup ......................................................................... 14

Limiting Parameter Setting .............................................................. 17

Troubleshooting Guide ............................................................................ 18

Maintenance ........................................................................................... 21

Ordering Information ............................................................................... 21

Warranty ................................................................................................. 22

3

Warning

MRC PWR-3030 Power Supply has b een tested and found to comply
with the limits for the CE regulation. Also, PWR-3030 Power Supply series is
RoHS compliant to deliver confident product which meets the environmental
directive. These limits are designed to provide reasonable protection against
harmful interference when the instrument series is operated in a commercial
environment. This instrument series used together with power supply unit
generates, uses, and can radiate radio frequency energy, and if not installed
and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this instrument series in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at their expense. Changes or
modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment. It is strongly
recommended for the user to read the following points carefully before
operating this equipment.

1. Read and follow the manual instr ucti o ns care ful l y.

2. Do not alter the equipment. Failure to follow these directions could result
in personal and/or laboratory hazards, as well as invalidate equipment
warranty.

3. Use a properly grounded electrical outlet with correct voltage and current
handling capacity.

4. Disconnect from power supply before maintenance and servicing. Refer
servicing to qualified personnel.

5. Never use this instrument series without having the safety cover correctly
in position.

6. Do not use the unit if there is any sign of damage to the external tank or
cover. Replace damaged parts.

7. Do not use in the presence of flammable or combustible material; fire or
explosion may result. This device contains components which may ignite
such materials.

8. Refer maintenance and servicing to qualified personnel.

9. Ensure that the system is connected to electrical service according to
local and national electrical codes. Failure to make a proper connection
may create fire or shock hazard.

10. Use appropriate mat er ial s and op er ate correctly t o av oi d pos si bl e ha zards
of explosion, implosi on or r elease o f tox ic or flammabl e gases aris ing from

4

overheated materials.

11. The unit shall be operated only by qualified personnel.

Safety Information

Use high level of precaution against any electrical device. Before connecting
the electrical supply, check to see if the supply voltage is within the range
stated at the rating label, and see to it that the device be seated firmly. Place
the unit in a safe and dry location; it must NOT touch the surrounding. Follow
the safety precautions for chemicals / dangerous materials. If needed, please
contact qualified service representative or [e-mail]

Environmental Conditions

Ensure the instrument is installed and operated strictly in the following
conditions:

1. Indoor use only

2. ≤95% RH

3. 75 kPa – 106 kPa

4. Altitude must not exceed 2000 meters

5. Ambient to 40°C operating temper at ur e

6. Pollution degree: 2

7. Mains supply voltage fluctuati ons up t o ±10% of the normal voltage

Avoiding Electrical Shock

Follow the guidelines below to ensure safe operation of the unit.
PWR-3030 power supply has been designed to use with shielded wires thus
minimizing any poten tial shock h az ard to t he user. MRC recommends
against the use of unshielded wires.

To avoid electrical shock:

1. In the event of solution accidentally spilling into the instrument, it must be

dried out for a period of time (at least 2 hours) and restored to NORMAL
CONDITION before each operation.

2. Never connect or disconnect wires loading from the power jacks when the

red indicator light of power switch is on.

3. WAIT at least 5 seconds after stopping a run before handling output leads

or any connected apparatus.

4. ALWAYS mak e sur e that your hands, work area, and ins t r uments are clean

and dry before making any connections or operating the power supply.

5. ONLY connect the power cord to a properly grounded AC outlet.

5

Avoiding Damage to the Instrument

1. Do not attempt to operate the device if damage is suspected.

2. Protect this unit from physical damage, corrosive agents and extreme
temperatures (direct sunlight, etc.).

3. For proper ventilation and safety concerns, keep at least 10 cm of space
behind the instrument, and at least 5 cm of space on each side.

4. Use high level of precaution against the damages on the unit.

5. Do not operate the unit out of environmental conditions addressed above.

6. Prior to applying any cleaning or decontamination methods other than
manufacturer’s recommendation, users should check with the
manufacturer’s instruct i on to see if the proposed method wil l damag e th e
equipment.

7. When the PWR-3030 power supply is taken into a cold room environment,
the unit can be operated immediately. However, when the PWR-3030
power supply is removed from the cold room environment, let the unit
equilibrate to room temperature for a minimum of 2 hours before using it

.

Equipment Operation

Follow the guidelines below to ensure safe operation of the unit:

1. Check the displayed figures to see if the unit is functioning correctly before
using this unit.

2. NEVER access dang erous ch emic als or ot her ma teri als to prev ent pos sible
hazard of explosion and damage.

3. Do not operate the unit without lids or covers to prevent possible hazards.

4. A tem por ar y c onductivity caused by condensation mig ht occ ur even though
this series is rated Pollution Degree 2 in accordance with IEC 664.

Symbols

The symbols used on PWR-3030 Power Supply are explained below.

Indicates an area where a potential shock hazard may exist.
Consult the manual to avoid possible personal injury or instrument
damage.

Indicates disposal instruction.
DO NOT

throw this unit into a municipal trash bin when this unit has

reached the end of its lifetime. To ensure utmost prote

ction of the

global environment and minimize pollution, please recycle this unit.

Max. voltage: 300V
Max. Current: 3000mA

Max. Watt: 300W

6

Product Specifications

Output Voltage / Inc. 5 - 300V / 1V
Output Current / Inc. 10 - 3,000mA / 10mA
Max. Watt / Inc. 300W / 1W
Operating Mode Voltage or current or power
Control Microprocessor controller
Program Storage 30 programmed files
Program Multi-Step Up to 6 steps
Terminal Pairs 4 pairs
Display 2.6” LCD
Timer Constant mode: 1-9999 min. with alarm, continuous

Programmable mode: 1-999 mi n with alarm,

continuous
Safety Device No Load detection

Leakage detection
Sudden load change detection
Over temperature protection
Over current detection
Over voltage detection

Shrouded plugs and sockets
Crossover Yes
Operating Temperature

Ambient - 40°C
Unit Dimension 190 x 305 x 95 mm (W x L x H)
Construction Material Flame retardant ABS faceplate and aluminu m
Rated Voltages 100 - 240V; 47/60 Hz
Input Rating 360W
Weight approx. 2.5 kg

7

Product Description

The MRC PWR-3030 Power Supply series is a
microprocessor controlled and designed to meet most electrophoresis needs.
This manual describes the setu p and operation of the PWR-3030 Power Supply
including important information on safety and maintenance of the unit. The PWR-3030
power supply is capable of running horizontal & vertical electrophoresis,
SDS-PAGE, native PAGE application, two-dimensional electrophoresis, and
electro-blotting. It comes equipped w ith a timer and al arm function as w el l as a
pause function. Furthermore, the powerful specific ati ons plus four terminal
pairs can be used for multiple electrophoresis units simultaneously.

MRC PWR-3030 power supply provides Constant Voltage or Constant
Current or Constant Power to instruments used in electrophoresis. 4 pairs of
terminals and the powerful specification equipment enable more capabilit y of
the PWR-3030 power supply than other existing similar product on the market.
PWR-3030 also has a 2.6” LCD screen where many parameters are displayed at
the same time, which provides a better aspect of the user friendl y concept to
the user.

Features of 3:5 power supply:

- Compact size

- Advanced capacity: 300W, 3000mA, 300V

- Microprocessor controller

- Constant voltage, constant current, and constant power

- Four outlet terminal pairs

- LCD display

- Timer with alarm function

- Advanced safety devices

- Stackable

- Wide applications for DN A, RN A and protein electrophoresis

10

Insta llation Instructions

The MRC PWR-3030 Pow er Suppl y is actually a pre-installed instrument.
As long as it is placed on a sturdy and level surface in a safe and dry place,
and is further connected with a well-prepared electrophoresis system, it is
ready for operation.

Operation Instructions

*Note: To operate under constant voltage or constant current modes, adjust
the other parameter to the maximum value. For example, to operate under
constant voltage, adjust current to max before running using constant voltage,
and vice versa.

The PWR-3030 Power Supply is designed to operate under two modes: Constant
Mode or Programming Mode, depending on your electrophoresis conditions.

Use the Constant Voltage / Current / Power Operation for applications that
require only one specific voltage limit, current limit, and power limit
continuously during the entire durat ion of electrophoresis.

11

Display Screen

Switch on the power, the screen will first show the version and model name.
After the welcome page you will be able to select the oper ation mode:
Constant or Program mode (Screen shown below)

Constant Setup

Program Setup

Constant Setup

This section gives an instruction for constant mode operation. Constant
Voltage / Current / Power Mode allow you to specify a voltage limit or a

current limit to be used continuously during the entire duration of
electrophoresis. Review the guidelines provided in this manual before
starting electrophoresis using PWR-3030 Power Supply. We recommend reading
the guidelines provided in this manual for best results before starting an
operation.

1. Place the PWR-3030 Power Supply on a s tur d y and level sur face in a safe and

dry place, away from laboratory traffic.

2. Ensure that the AC power switch is OFF, and then plug the three-pronged

power cord into a grounde d thr ee-pro ng AC outlet of the appropriate volt age
(110V to 240V as indicated on the rating sticker near the AC cord on the
back of the unit).

3. Connect the DC output jacks from the electrophoresis unit; insert the red

lead (+) into the red output jack, and the black lead (-) into the black output
jack.

12

4. Turn on the power switch. The version and model name will appear on the screen.

5. Use Key and Key to select , and then press

the Key or to enter the next screen: .

6. Use , , , or to move cursor to the p ar am ete r s such

as voltage (V) or current (mA) or power (W) or time (Min.). Press the
key to set the specified parameter.

7. Use or to set the appropriate value, and then press .

Move to the next parameter until all the parameters are set in the same
operation method.

8. Press Key to start electrophoresis. the LED will light up,

and the screen will show the real time parameter values, .

Press or to see the following screen, . Press

or to go back to

9. Press Key to temporarily interrupt the power to the ongoing

13

electrophoresis without terminating the operation. , the LED is

flashing. Press Key to restart the run.

10. Press t he Key again to stop electrophoresis.

11. When the run is completed, operation stops with alarm and

is shown on the screen. Press Key to terminate a timed run, and
turn the AC power OFF by the switch on the rear.

12. T o change limits of electrophoresis in progress

If you need to make changes to the current running limits, you must stop

electrophoresis by pressing the K ey. Press Key to enter the

setting screen, . Enter the changes and then press
Key once again to restart your operation.

Note: After stopping and restarting an operation, the timer resets to selected
time and does not take into account the time that electrophoresis was in
progress before it was stopped.

14

Programming Setup

Instructions for operating PWR-3030 Power Supply in the Programming
Operation are provided in this section. The Programmable Mode allows you

to vary levels in vol tage ( V) , c ur r ent (mA), and power (W) during specified time
periods as discrete changes (STEP) or as gradients (RAMP) for up to 6 steps,
depending upon your electrophoresis needs. The PWR-3030 power supply is
capable of having storage room for 30 di ffere nt prog r am files for the user’s
convenience. We recommend reading the guidelines provided in this manual
for best results before star ti ng an opera ti on.

1. Place the PWR-3030 Power Supply on a sturdy and level surface in a safe

and dry place, away from laboratory traffic.

2. Ensure that the AC power switch is OFF, and then plug the three-pronged

power cord into a grounded three-prong AC o utl et of the appropriate
voltage (110V to 240V as indicated on the rating sticker near the AC cord
on the back of the unit).

3. Connect the DC output jacks from the electrophoresis unit; insert the red

lead (+) into the red output jack, and the black lead (-) into the black output
jack.

4. Turn on the power switch from the back panel. TheYHUVLRQDQGPRGHOQDPH
will appear on the screen.

5. Use Key and Key to select , and then press

Key or to enter the next screen, .

6. Press Key first and then use or to select appropriate

15

file number, and then press Key to enter the following screen,

.

7. Use , , , or to move cursor to the p ar am ete r s such

as voltage (V), cur rent ( mA), pow er (W), or time (min.). Press Key to
set the specified parameter.

8. Use or to set the appropriate value, and then press ,
and move to the next parameter until all the p aram eters ar e set in th e sam e
operation method.

9. Use Key to move down to for setting Step 4 – 6.

Press Key back to Step 1 – 3 screen, .

10. Press Key to start electrophoresis. , the LED is lit, and the

screen will show the real time parameter values, . Press

or to see the following screen, . Press

or Key back to .

11. Press Key to temporarily interrupt power to ongoing run without

16

terminating the operation. , the LED is flashing. Press Key
to restart the run.

12. W hen electrophoresis is completed, is shown on the screen.

Press the Key again to stop electrophoresis.

13. To change limits of electrophoresis in progress.

If you need to make changes to the current running limits, you must stop

electrophoresis by pressing the Key. Press Key to enter the

setting screen, . Enter the changes and then press
Key once again to restart your operation.

Note: After stopping and restarting an operation, the timer resets to selected
time and does not take into account the time that electrophoresis was in
progress before it was stopped.

17

Limiting Parameter Setting

The PWR-3030 Power Supply is capable of operating under limiting voltage,
limiting current, or limiting power in both Constant Setup mode or
Programming Setup mode. We use Programming Setup mode here as an
example.

Voltage Limiting

1. Use Key, Key, Key, Key, and Key to set

Maximum Current (3A) and Maximum Power (300W), and on the real time

screen “Volt” will be shaded, for instance, .

Current Limiting

1. Use Key, Key, Key, Key, and Key to set

Maximum Voltage (300 V) and Max imum Pow er (300 W), and on t he real tim e

screen “mA” will be shaded, for insta nc e, .

Power Limiting

1. Use Key, Key, Key, Key, and Key to set

Maximum Voltage (300V) and Maximum Current (3A), and on the real time

screen “Wat” will be shaded, for insta nce, .

18

T roubleshooting Guide

Many operating pr oblems may be solv ed by carefully reading a nd following the
instructions in this manual accordingly. Some suggestions for troubleshooting
are given below. Should these suggestions not resolve the problem, contac t
our SERVICE DEPARTMENT or a distributor in your region for assistance. If
troubleshooting service is required, please include a full description of the
problem.

Problem Cause Solution

No Display / lights

No AC power

Check if PWR po

wer supply is unplugged, or

AC

power source problem
AC power cord is not
connected

Check AC power cord connections at both
ends. Use the correct cords.

The fuse has blown Replace the fuse

Repeated fuse
broken

Hardware failure Contact MRC s

ervice department

Operation stops with
alarm: The screen

displays

“

”

Electrophoresis leads are
not connected to the
power supply or to the
electrophoresis unit(s), or

there is a broken circuit in

the electrophoresis cell

Check the connections to the power

supply

and on your electrophoresis

cell to make

sure the connection is

intact; check

condition of wires in electrophoresis unit.
Close the circuit by reconnecting the

cables.

Press START/STOP to restart the run.
High resistance due to
tape left on a pre-cast
gel, incorrect buffer
concentration, or
incorrect buffer volumes
in the electrophoresis cell

Correct the condition by making

sure the

tape is removed from the pre-

cast gel,

buffers are prepared

correctly, and the

recommended volum e of buffer is

added to

the electrophoresis unit.

Operation stops with

alarm:
Display shows

Bad connections for
terminal connectors or
damaged wires or
damaged platinum wires

Check all the connections to terminators,

cables, wires, and gel tanks

19

Operation stops with
alarm:
Display shows

Circuit is interrupted

- Verify that the running buffer is correct.

- Verify the all cables are attached correctly

- Turn the Power switch off and

on again;

restart application.

- If you cannot restart the instrument, turn off
the power, disconnect the power cord from
the outlet, and contact Technical Service.

Operation stops with

alarm:
Display shows

Circuit is interrupted

- Verify that the running buffer is correct.

- Verify the all cables are attached correctly

- Turn the Power switch off and

on again;

restart application.

- If you cannot restart the instrument, turn off
the power, disconnect the power cord from
the outlet, and contact Technical Service.

Operation stops with
alarm:
Display shows

Ground leak detected
during run

Check the electrophoresis system for
improper grounding. Restart the power
supply by turning the Power
switch off and on.

Operation stops with
alarm:
Display shows

Power suppl y is
overheating

- Turn off power supply. Check for sufficient

airflow around the power supply fan. After
cooling down, restart the power supply by
turning the Power switch to the on
position.

- If you cannot restart the instrument, turn off

the power, disconnect the power cord
from the outlet, and contact Technical

Service.
Operation stops with
alarm:
Display shows

and countdown

Power supply is getting
restart ON

- Verify that the electrophoresis condition
and system is correct.

- Pay attention to the own safety.

20

Encountering Problems

1. Check the troubleshooting section.

2. Call Technical Service or e-mail to [e-mail]

3. If the unit must be shipped back for repair, contact MRC or the
distributor for a Return Authorization Number and shipping instructions. The
unit will be repaired as quickly as possible and returned to you.

Replacing the Fuse

For additional fuses, contact MRC co. ltd.

To replace the fuse:

1. Turn off the main power switch at the rear of PWR-3030 Power Supply and

detach the power cord from the rear of PWR-3030 Power Supply.

2. Open the fuse compartment located inside the Power Entry Module by

inserting a small flathead screwdriver into the slot below the ON/OFF
switch. Turn the screw driv er to gent ly pry open the fuse comp artmen t. Note:
the fuse compartment will not open with the power cord in place.

3. Pull the fuse h older out of the compartment and inspect the fuse. I f t h e fuse

is burned or there is a break in the fuse element, replace the fuse with an
identical type of fuse (4A/250V~) as provided in the fuse holder (see figure
below)

4. Place the fuse holder back into the compartment.

5. Snap the cover close.

21

Maintenance

PWR-3030 Power Supply uses all solid-state components and should require no
maintenance or recalibration under normal use. The housing may be cleaned
with a dry cloth. If the unit must be ret urned for repair, contact our SERVICE

DEPARTMENT or your local distributor for shipping instruction.

Ordering Information

PWR-3030 Power Supply

Cat. No. Description

PWR-3030 Power Supply

22

Warranty

MRC warrants apparatus of its manufacture against defects in
materials and workmanship, under normal service, for one year from the
shipping date to purchaser. This warranty excludes damages resulting from
shipping, misuse, carelessness, or neglect. MRC’s liability under the
warranty is limited to the receipt of reasonable proof by the customer that the
defect is embraced within the terms o f th e warranty. All claims made und er t his
warranty must be presented to MRC within one year following the
date of delivery of the product to the customer.