Sharp R-323T Specifications download pdf (Page 7)

Preventative Maintenance

Check-Out of Flame Failure Safety Device

1. To verify proper operation of the flame failure

safety device, first start the system in the gas

mode and verify the presence of a steady flame.

2. Turn off the gas at the manual gas input shutoff

valve.

3. The flame will go out and within three minutes,

the flame failure safety device should automat-

ically close (A sharp click should be heard as

this device closes.).

4. Turn the gas back on at the manual gas input

shutoff valve.

5. Attempt to relight the burner by pressing the

spark ignitor push-button rapidly in succession

but without pressing the Gas Control Selector in.

6. If the burner cannot be re-ignited without holding

the Gas Control Selector in, the flame failure

safety device has operated correctly.

The service facility should review with the refrigerator owner the preventative maintenance steps which can be

performed by the user. The check list is printed in the Installation and Operating Instructions and repeated here.

Maintenance Check List

A safety and performance check should be made annually. The schedule should include at least the

following:

a. Leak test the gas lines.

b. Check combustion seal; repair or replace, if necessary (Visual check without removing the refrigerator.).

c. Inspect or clean the burner or burner orifice.

d. Check/adjust the electrode spark gap.

e. Insure the Thermocouple tip is clean and secure in the burner bracket.

f. Check/adjust AC and DC voltages and gas supply pressure.

g. Check the Flame Failure Safety Device (See procedure below).

h. Insure that the area around the burner and controls is free of debris, oily rags, etc..

i. Inspect the controls, piping and wiring to insure that they are in good condition.

THESE MAINTENANCE PROCEDURES MUST BE PERFORMED BY A QUALIFIED SERVICE PER-

SON. NORCOLD CANNOT ACCEPT RESPONSIBILITY FOR REPAIRS, ADJUSTMENT, OR MAINTE-

NANCE PERFORMED BY OTHER THAN A QUALIFIED DEALER OR SERVICE CENTER.

Owner’s Check List

1. Keep the food compartment clean (See section on Cleaning the Refrigerator in the Installation and Operating

Instructions).

2. Check for frost build-up (See section on Defrosting in the Installation and Operating Instructions).

3. Check for proper draining of the fins in the fresh food compartment.

4. Insure that the food compartment door is sealing properly (See section on Door Sealing in the Installation and

Operating Instructions).

5. Be alert to noticeable changes in cooling performance, either overcooling or poor cooling. If this happens with-

out changes in other factors such as weather or resetting of thermostat, contact your dealer or Service Center.

6. Insure that your LP gas supply is Propane, not other types such as Butane or Butane mixtures.

7. Check the flame appearance during operation in the GAS mode (See section on Gas Flame Appearance in the

Installation and Operating Instructions).

8. Inspect the floor at the rear of refrigerator (Look through intake vent from outside of coach). If water appears fre-

quently, contact your dealer of Service Center.

9. Insure the ventilation space behind the refrigerator (the area from the bottom intake vent, up the back of the re-

frigerator and to the top exhaust vent) is clear of obstructions (insulation, supports, bird or squirrel nests, etc.).

10. Insure that the area directly behind the refrigerator is not being used for storage, particularly for storage of com-

bustible material.

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Sharp R-323T Specifications Page 7

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