Honeywell Eclipse ImmersoPak IP004, Operating Instructions Manual

14

Maintenance and 
Troubleshooting

32-00055—01

This chapter is divided into two sections:

• Maintenance procedures
• Troubleshooting guide

Maintenance

Preventive maintenance is the key to a reliable, safe and
efficient system. The core of any preventive maintenance
system is a list of periodic tasks. The following are
suggestions for a monthly list and a yearly list.

NOTE

: The monthly list and yearly lists are an average

interval. If your environment is dirty, the intervals may be
shorter.

Monthly Checklist

1. Inspect flame-sensing devices for good condition and

cleanliness.

2. Check for proper inlet air/gas ratios.

3. Test all the alarm systems for proper signals.

4. Check ignition spark plugs and check proper gap.

5. Check valve motors and control valves for free, smooth

action and adjustment.

6. Check for proper operation of the ventilating

equipment.

7. Test the interlock sequence of all safety equipment;

manually make each interlock fail, noting that related
equipment closes or stops as specified by the
manufacturer.

8. Test flame monitoring control system by manually

shutting off gas to burner.

9. Test main fuel hand-valves for operation.

10.Clean or replace the combustion air blower filter.

Yearly Checklist

1. Test (leak test) safety shut-off valves for tightness of

closure.

2. Test air pressure switch settings by checking switch

movements against pressure settings and comparing
with actual impulse pressure.

3. Visually check ignition cable and connectors.

4. Inspect impulse piping for leaks.

5. Clean and inspect all the burners.

6. Remove and clean the orifice plates 



.

7. Make sure that the following components are not

damaged or distorted:

• burner nozzle
• spark plugs
• flame sensors
• flame tube or combustion block

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