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Eclipse ThermJet Self-Recuperative, V5, Installation Guide 208, 2/4/2013
Maintenance &
Troubleshooting
Introduction
This section is divided into two parts:
•
The first part describes the maintenance
procedures.
• The second part helps identify problems that may
occur, and gives advice on how to solve these
problems.
Maintenance
Preventive maintenance is the key to a reliable, safe and
efficient system. The core of any preventive maintenance
program is a list of periodic tasks.
Following are suggestions for a monthly list and a yearly
list.
NOTE:
The monthly list and the yearly list are an average
interval. If your environment is dirty, then the intervals may
be shorter. Other standards may take precedence for your
particular application.
Monthly Checklist
1.
Inspect flame-sensing & ignition devices for good
condition and cleanliness.
2.
Check for proper inlet air:gas ratios
3.
Check exhaust temperature
4.
Test all the alarm systems for proper signals
5.
Check ignition spark plugs
6.
Check valve motors and control valves for free,
smooth action and adjustment
7.
Check for proper operation of the ventilating
equipment
8.
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
9.
Test flame monitoring control system by manually
shutting off gas to the burner
10. Test main fuel hand-valves for operation
11.
Clean or replace the combustion air blower filter
Yearly Checklist
Perform all monthly checklists plus:
1.
Leak test 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.
Remove, clean and inspect all the burners
6.
Make sure that the following components are not
damaged or distorted
• the burner nozzle
• the spark plugs
• the flame sensors
• the combustor
• the recuperation tube
7.
If applicable, remove and clean all the orifice plates
8.
Clean gap in eductor assembly
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