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1.
Continuously
:
a.
Keep the area around the boiler
free from combustible materials, gasoline and other
flammable vapors and liquids.
b.
Keep the area around the combustion air inlet terminal
free from contaminates.
c.
Keep the boiler room ventilation openings
open and unobstructed.
2.
Monthly Inspections
:
a.
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.
b.
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.
c.
Inspect the water and gas lines
to verify they are free from leaks. Call the service technician to make
repairs
if
required.
3.
Annual Inspections and Service
: In addition to the inspections listed above, the following should be performed by a
service technician once every year.
a.
Follow the procedure
for turning the boiler off found in the Operating Instructions, Section XI “Start-
up
and
Checkout”.
b.
Turn off all power
to the boiler.
c.
Inspect the wiring
to verify the conductors are in good condition and attached securely.
d.
Verify that the gas shutoff
shown in Figure 8.1 is closed.
e.
Disconnect the gas line
at the gas pipe union connection (Figure 13.1).
f.
Unplug the electrical connection
to the gas valve.
g.
Disconnect the air proving switch tube
from the gas valve outlet tap.
h.
Unplug the power and speed control cables
from the blower.
NOTICE
Warranty does not cover boiler damage or malfunction if the following steps are not performed at the
intervals specified.
CAUTION / ATTENTION
Electrical Shock Hazard. Label all wires prior to disconnection when servicing controls. Wiring errors can
cause improper and dangerous operation. Verify proper operation after servicing.
Au moment de l´entretien des commandes, étiquetez tous les fils avant de les débrancher. Les erreurs de
câblage peuvent nuire au bon fonctionnement et être dangereuses. S´assurer que l´appareil fonctionne
adéquatement une fois k´entretien terminé.
WARNING
Fire Hazard. Explosion Hazard. Always use a back-up wrench on the flare connection when making
or breaking this connection as shown in Figure 13.1. Failure to do so can cause adjacent threaded
connections to loosen or damage to the gas valve. Check all internal gas piping for leaks any time it is
disconnected or disturbed during servicing.
NOTICE
Water leaks can cause severe corrosion damage to the boiler or other system components. Immediately
repair any leaks found.
XIII. Service and Maintenance
(continued)
Summary of Contents for ASPEN ASPN-320
Page 88: ...88 107750 01 9 17 Figure 10 4 Proper Installation of Header Sensor X Wiring continued ...
Page 89: ...89 107750 01 9 17 Figure 10 5 Internal Wiring Ladder Diagram X Wiring continued ...
Page 90: ...90 107750 01 9 17 X Wiring continued CONDENSATE FLOAT SWITCH ...
Page 91: ...91 107750 01 9 17 X Wiring continued Figure 10 6 Internal Wiring Connections Diagram ...
Page 100: ...100 107750 01 9 17 Operating Instructions XI Start Up and Checkout continued ...
Page 145: ...145 107750 01 9 17 XV Service Parts continued ...
Page 147: ...147 107750 01 9 17 XV Service Parts continued All Models ...
Page 149: ...149 107750 01 9 17 XV Service Parts continued All Models ...
Page 151: ...151 107750 01 9 17 XV Service Parts continued All models ...
Page 157: ...157 107750 01 9 17 ...
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