42
11.1
Beginning of Each Heating Season
•
Check boiler area is free from combustible materials,
gasoline, and other flammable vapors and liquids.
•
Visually inspect combustion air and vent piping for
proper operation. Check for and remove any obstruction
to flow of combustion air or vent gases. Immediately
repair or replace pipe showing deterioration or leakage.
Reassemble per instructions in section 6. Ensure proper
reassembly and resealing of system.
•
Visually inspect condensate drain line for proper
operation. Checking for deteriorated or plugged
condensate drain line. Verify condensate trap drains
freely.
•
Test safety relief valve for proper operation. Refer to
valve manufacturer's instructions packaged with relief
valve.
•
Examine flue passages in heat exchanger, burner,
condensate lines, and cleaning (if necessary) by following
instructions in “Annual Examination and Cleaning of Boiler
Components” in this section.
•
Combustion air blower motor furnished with boiler are
permanently lubricated from factory and require no
further lubrication. Lubricate field sourced pumps and/or
motors according to pump and/or motor manufacturer’s
instruction.
•
Check following components are operating properly and
are free of blockages or obstructions:
•
system air vent;
•
check venturi air inlet for blockage and clean as
required;
•
verify pressure test port cap and combustion test port
are in place;
•
return temperature sensor clip must be securely
seated on pipe; Check boiler for any sign of leaks.
•
Check field sourced low water cutoff according to relief
valve manufacturer instructions.
•
Check flame signal with user interface. Should be 8
micro
amps at 100% firing rate ( High fire).
•
Visual inspection of flame through sight glass. Burner
should be fully illuminated. See
figure 11-1.
•
Check heating system expansion tank.
CAUTION
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
dangerous operation.
!
NOTICE
Verify proper operation after servicing.
NOTICE
Perform regular service and maintenance by
qualified service agency at least once every 12
months to assure safe, trouble free operation and
maximum efficiency.
FIGURE 11-1 Sight Glass - 050/075/100/150/200 MBH
DANGER
Before servicing, turn off electrical power to boiler
at service switch. Close manual gas valve to turn
gas supply OFF to boiler. Failure to comply will
result in death or serious injury.
!
11 - GENERAL MAINTENANCE AND CLEANING
Sight Glass
Summary of Contents for VX-050
Page 49: ...49 13 TROUBLE SHOOTING...
Page 51: ...51 13 TROUBLE SHOOTING...
Page 63: ...63 14 1 Connection Diagram 050 075 100 MBH 14 WIRING DIAGRAM...
Page 64: ...64 14 2 Schematic Diagram of Ladder Form 050 075 100 MBH 14 WIRING DIAGRAM...
Page 65: ...65 14 3 Connection Diagram 150 200 MBH 14 WIRING DIAGRAM...
Page 66: ...66 14 4 Schematic Diagram of Ladder Form 150 200 MBH 14 WIRING DIAGRAM...
Page 83: ...83 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Page 84: ...84 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 50 75 100 MBH...
Page 85: ...85 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Page 86: ...86 PRIMARY LOOP EQUIVALENT LENGTH CALCULATION PUMP SELECTION 150 200 MBH...
Page 87: ...87 NOTES...
Page 88: ...DUNKIRK BOILERS 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com...
