Equator 375 service manual Disturbance, Cause, Trouble-shooting, Remedy, Ice blockage in

Models: 375

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Ice blockage in

Disturbance

Cause

Trouble-shooting

Remedy

 

Ice blockage in

Heat injection area on

Blow N2 through system.

 

capillary tube.

evaporator with cloth

Install outsize service

 

 

with hot water. If

filter. Ensure careful

 

 

refrigerant now can be

evacuation. Start

 

 

heard to flow more

compressor. Stop when

 

 

quickly through the

warm. Evacuate system

 

 

system, ice blockage in

again. With heavy

 

 

capillary tube is indicated.

contamination of system

 

 

Alternatively, stop

it is necessary to repeat

 

 

compressor and let

this process several

 

 

evaporator defrost and

times. Filter can be

 

 

start compressor again. In

replaced again.

 

 

case of ice blockage, frost

 

 

 

formation on the

 

 

 

evaporator will increase

 

 

 

initially and then return to

 

 

 

its original level.

 

 

 

 

 

 

No or very little

Mount a service valve on

If volumetric check

 

compressor capacity.

charging pipe and check

indicates insufficient

 

 

suction pressure. Pressure

compressor capacity,

 

 

conditions indicate no or

replace compressor. Note

 

 

very little compressor

that defects in the

 

 

capacity. Test

compressor can be caused

 

 

compressor.

by complete or partial

 

 

 

blockage at another point

 

 

 

in the system. This

 

 

 

situation must be

 

 

 

remedied before a new

 

 

 

compressor is installed.

 

 

 

 

 

Capillary tube

Symptoms resemble those

Replace refrigerating

 

mounted incorrectly

of loss of refrigerant.

evaporator.

 

at injection site (roll-

 

 

 

bond evaporator).

 

 

 

 

 

 

Insufficient

Thermostat is set too

Turn thermostat knob

Replace thermostat.

refrigerating/freezing.

high.

clockwise. Check to

 

 

 

ensure that phial is

 

 

 

correctly installed.

 

 

 

 

 

7.

Page 9
Image 9
Equator 375 service manual Disturbance, Cause, Trouble-shooting, Remedy, Ice blockage in