101
Xi. Service and Maintenance
nOTiCE
Warranty does not cover boiler damage or
malfunction if the following steps are not
performed at the intervals specified.
A.
Continuously:
1. Keep the area around the boiler free from
combustible materials, gasoline and other flammable
vapors and liquids.
2. Keep the area around the combustion air inlet
terminal free from contaminates .
3. Keep the boiler room ventilation openings open and
unobstructed.
B.
Monthly Inspections:
1. Inspect the vent piping and outside air intake piping
to verify they are open, unobstructed and free from
leakage or deterioration. Call the service technician
to make repairs if needed.
2. Inspect the condensate drain system to verify it is
leak tight, open and unobstructed. Call the service
technician if the condensate drain system requires
maintenance.
3. Inspect the flue temperature sensor cap to verify that
it is free from leakage and deterioration. Call the
Service Technician to make repairs, if needed.
4. Inspect the water and gas lines to verify they are
free from leaks. Call the service technician to make
repairs if required.
CaUTiOn
Water leaks can cause severe corrosion damage
to the boiler or other system components.
immediately repair any leaks found.
C.
Annual Inspections and Service:
In addition to
the inspections listed above the following should be
performed by a service technician once every year.
1. If equipped, test the low water cutoff by pressing the
“Test” button located at its end. The yellow light
should come on and “Limit Open” will flash in the
Active Faults screen on the display. Push the reset
button to restore normal operation. If yellow light
does not come on, determine why the low water
cutoff is not working properly.
2. Follow the procedure for turning the boiler off per
Figure 51 “Lighting Instructions”.
3. Inspect the wiring to verify the conductors are in
good condition and attached securely.
DangEr
This boiler uses flammable gas, high voltage electricity, moving parts, and very hot water under high
pressure. assure that all gas and electric power supplies are off and that the water temperature is cool
before attempting any disassembly or service.
Do not attempt any service work if gas is present in the air in the vicinity of the boiler. never modify,
remove or tamper with any control device.
Warning
This boiler must only be serviced and repaired by skilled and experienced service technicians.
if any controls are replaced, they must be replaced with identical models.
read, understand and follow all the instructions and warnings contained in all the sections of this
manual.
if any electrical wires are disconnected during service, clearly label the wires and assure that the wires
are reconnected properly.
never jump out or bypass any safety or operating control or component of this boiler.
read, understand and follow all the instructions and warnings contained in aLL of the component
instruction manuals.
assure that all safety and operating controls and components are operating properly before placing
the boiler back in service.
annually inspect all vent gaskets and replace any exhibiting damage or deterioration.
Summary of Contents for Apex APX399
Page 65: ...65 VIII Electrical continued Figure 43 Ladder Diagram ...
Page 66: ...66 VIII Electrical continued ...
Page 67: ...67 Figure 44 Wiring Connections Diagram VIII Electrical continued ...
Page 110: ...110 1P 3 1P 2 1P 1 XIII Repair Parts continued 1C 1D 1E ...
Page 116: ...116 XIII Repair Parts continued ...
Page 118: ...118 XIII Repair Parts continued ...
Page 129: ...129 SERVICE RECORD DATE SERVICE PERFORMED ...
Page 130: ...130 SERVICE RECORD DATE SERVICE PERFORMED ...
