installation, operating and service instructions eva series boiler

Air Filter:
A. Perform a visual inspection of air filter and
replace as necessary
1. Remove upper front fanel
2. Remove red tube from nipple on filter
assembly
3. Remove wing nut
4. Remove filter assembly from boiler
5. Remove foam pre-filter and wash with soap
and water
6. Replace primary filter as necessary
Burner:
A. No maintenance or inspection is required.
Pilot and Main Flame:
A. Perform a visual inspection of pilot burner
flame.
1. Refer to the flame safeguard instruction
manual and conduct a pilot turndown test.
2. Observe pilot operation and record pilot
signal. Flame should be steady medium
hard blue clearly visible through sight glass.
B. Pilot Cleaning and Maintenance
1. Shut off gas supply and disconnect
electrical service.
2. Disconnect scanner, ignition electrode,
loosen and remove pilot gas line and
combustion air line from fan.
3. Remove mounting fasteners and pull pilot
assembly from heat exchanger.
4. Examine pilot electrode and set gap to 1/8”
if needed. Clean as required.
5. Reassemble in reverse order using a new
gasket available from Thermal Solutions.
C. Perform a visual inspection of main burner
flame.
1. Observe main flame and record flame
signal. Flame should be steady deep orange
in color with dark blue checkerboard
pattern throughout.
2. Main burner requires no cleaning or annual
maintenance
Check Combustion and Safety Controls:
A. Check flame failure detection system with
system operating.
1. Pilot
a. Refer to the flame safeguard instruction
manual
b. Manually close pilot fuel supply and
verify lock out of primary control.
2. Main Flame
a. Refer to the flame safeguard instruction
b. Close manual main fuel shut off valve
and verify lockout of primary control.
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