106636-04 - 8/22
32
X-2
Installation, Operating & Service Manual
DANGER
Explosion Hazard. Electrical Shock Hazard.
Burn Hazard.
This boiler uses flammable gas,
high voltage electricity moving parts, and steam
under pressure. Assure that all gas and electric
power supplies are turned off. Make sure boiler
is not under pressure and temperature is cool
before attempting any disassembly for service.
Do not rely solely on pressure gauge to make
this determination.
CAUTION
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation. Verify
proper operation after servicing.
Annual Inspection
Vent system
Boiler flue passages
Burners
Water piping
Temperature/pressure gauge
Relief valve operation
Gas piping
Air openings
Pilot flame
Main burner flame
Gas inlet pressure
Gas outlet pressure
Annual Test
Gas input rate to boiler
Measure CO in vent
Vent damper operation
LWCO
High limit control
Thermostat operation
CO detector operation
Check ignition system safety shut-off
device.
1. Inspection and service should be conducted
annually. Turn off electrical power and gas supply
while conducting service of maintenance. Follow
instructions TO TURN OFF GAS TO APPLIANCE.
See Figure 10-2.
2. Inspect Vent System.
A. Remove obstructions in vent pipe and
chimney.
B. If masonry chimney is lined, verify lining is in
good condition and there are no openings into
chimney.
C. Remove soot accumulations with wire brush
and vacuum.
D. Repair or replace deteriorated vent pipe and
vent accessories.
E. Inspect piping to determine that it is
adequately supported. Repair sags.
F. Repair leaking joints.
3. Inspect boiler flue passages for blockage or soot
accumulation.
A. Remove vent pipe and vent damper.
B. Remove sheet metal screws securing Jacket
Top Panel. Remove Top Panel.
C. Remove screws securing Canopy to Section
Assembly. Remove Canopy.
D. Using flashlight, examine all flue passageways.
i. If passageways are free of soot and
obstruction, replace canopy, secure and
seal.
ii. If passageways need cleaning, remove
burners as described in Paragraph D.
Using long handle wire or bristle flue brush
and vacuum, brush flueways thoroughly
from top of boiler.
E. Install new gasket material (See Section 16:
Service Parts). Install canopy.
F. Install Jacket Top Panel, Vent Damper, and
vent pipe.
WARNING
This boiler should be serviced by a qualified installer, service agency, or gas supplier. Inspections should be
performed at intervals specified in this manual. Maintain manual in a legible condition.
• Keep boiler area clear and free of combustible materials, gasoline and other flammable vapors and
liquids.
• Do not place any obstructions in boiler room that will hinder flow of combustion and ventilation air.
!
!
!
13
Service and Maintenance
(continued)
