Cornelius CH 1502-A Manual del operador descargar pdf (Pagina 10)

92074

WARNING: If repairs are to be made to a product system, remove quick disconnects from

the applicable product tank, then relieve the system pressure before proceeding. If repairs

are to be made to the CO

system, stop dispensing, shut off the CO

supply, then relieve the

system pressure before proceeding. If repairs are to be made to the refrigeration system, make sure

electrical power is disconnected from the unit.

TROUBLESHOOTING

IMPORTANT: Only qualified personnel should service internal components or electrical wiring.

Trouble Probable Cause Remedy

CHILLER DOES NOT

OPERATE

A. Power not hooked up. A. Verify that the power is hooked up

properly.

B. High Pressure Cut-Out has

tripped.

B. Reset High Pressure Cut-Out

If refrigeration pressure gets

above 350 psi, this switch will

shut uint off. Follow procedure

above for removing wrapper.

Then locate the circular punch

out in the cover of the electrical

box. Press button inside this

punch out to reset the high

pressure control. Could result

from a dirty, clogged condenser

or too high of an ambient air

temperature.

C. Low Pressure Cut-Out has

tripped.

C. (Call Service) This has an

automatic reset. In order for

the low pressure safety to cut

out the unit, the low side

pressure must drop below the

settint (44psi). If this happens it

could mean a bad hot-gas

valve or bad low pressure

switch.

D. Freeze Thermostat. D. If the freeze thermostat probe

located in the water discharge line

senses a temperature below 35_F

it will shut the unit off. It will

automatically reset when

temperature rises.

UNIT OPERATES, BUT DOES

NOT COOL.

A. Low refrigeration charge. A. Call service unit could have a

leak.

B. Clogged condenser. B. Clean any dirt or debris from

condenser fins. Open the airway.

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Cornelius CH 1502-A Manual del operador Pagina 10

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