Conair MPW Especificações descarregar pdf (Página 13)

Actual temperature of water supplied to the mold is

higher than the setpoint deviation limit allows.

1. High deviation temperature is set too low. Increase.

2. Water has stopped flowing between supply outlet and

return inlet. Check for plugged pipe or failed cooling

valve.

3. The heater contact failed. Replace the contactor.

4. The heater and lines may be too

large for this application.

Actual temperature of water supplied to

the mold is higher than the programmed

190˚ F safety limit.

1. Water has stopped flowing between supply outlet and

return inlet. Check for closed valve or plugged line.

2. The heater contactor failed. Replace contactor.

Actual temperature of water supplied to

the mold is below the programmed 20˚ F

safety limit.

1. The cooling valve is stuck open. Clean valve.

2. The heater has failed. Check for a bad heating element,

or a heater contact that failed in the open position.

The incoming power is out of phase. A

leg may have failed or is disconnected.

1. The pump is rotating in the wrong direction. Reverse any

two leads on the power connection.

2. Check fuses or circuits at the main power supply.

The return line temperature probe failed.

Check for loose connections, or replace.

The supply line temperature probe failed.

Check for loose connections, or replace.

The pump fuse failed.

Replace the fuse on the motherboard.

NOTE: See the Thermolator User Guide for additional alarm mes-

sages regarding fuses and controller errors.

TROUBLESHOOTING

Shut down alarms

The Thermolator has shut down automatically to prevent

damage to equipment or personnel. To resume normal

operation, press , fix the problem, then press .

The pump overload has tripped. Contact is open.

1. Verify that the correct voltage is supplied to the motor.

2. Water flow may be more than the pump can handle.

Check current draw against motor rating. Decrease flow

as needed.

The supply water level is low.

1.Verify that the water supply is turned on.

NOTE: The low water pressure alarm does not require manual

reset. It will reset automatically when the water level is sufficient.

The actual temperature of water supplied to the mold

exceeds the 190˚ F temperature safety switch limit.

1. The unit is not running. Start the Thermolator.

2. Water has stopped flowing between supply outlet and

return inlet. Check for closed valve or plugged line.

3. The heater contactor failed. Replace contactor.

If there is a problem, the Thermolator

activates the red Alarm light

and changes the RUN/STOP light from green to flashing red.

Press to silence the optional audible alarm.

Check the indicator lights and messages

to help determine the cause of the problem.

Warning alarms

The Thermolator continues operating, but this problem

could lead to a shutdown condition if not corrected.

Actual temperature of water supplied to the mold is

lower than the setpoint deviation limit allows.

1. Low deviation temperature is set too low. Increase.

2. The heater failed. Check for a bad heating element or a

heater contact that failed in the open position.

3. The cooling valve is stuck open. Clean valve as needed.

Stop Run

WARNING: Before servicing the Thermolator

Allow the unit to cool to below 100˚ F. Disconnect and lockout

the main power source. Disconnect water and air supply lines.

Low Deviation

High Deviation

SPI Communication

FUS

002

PbS

Err

Pbr

Err

SAF

PHS

Err

Pump

High Temp. Safety

Low Water Pressure

Positive/Negative Water

Temperature Controller

with TW-2 Microprocessor

Quick Card

Thermolator

vacuTrac

The Conair Group, Inc.

One Conair Drive

Pittsburgh, PA 15202

Phone: (412) 312-6000

Fax: (412) 312-6001

Basic

Operation

Troubleshooting

Instant Access Parts

& Service:

(800) 458-1960

(814) 437-6861

www.conairnet.com

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