User Guide

27
SERIES 2E
Installation, Operating & Service Manual
109443-01 - 6/19
DANGER
Explosion Hazard. Electrical Shock Hazard.
Burn Hazard. 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 turned
off and that water temperature is cool before
attempting any disassembly for service.
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
A. General. 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 9-2.
B. Inspect Vent System.
1. Remove obstructions in vent pipe and
chimney.
2. If masonry chimney is lined, verify lining is in
good condition and there are no openings into
chimney.
3. Remove soot accumulations with wire brush
and vacuum.
4. Repair or replace deteriorated vent pipe and
vent accessories.
5. Inspect piping to determine that it is
adequately supported. Repair sags.
6. Repair leaking joints.
C. Inspect boiler flue passages for blockage or soot
accumulation.
1. Remove vent pipe, vent damper, draft hood
and blocked vent switch.
2. Remove sheet metal screws securing Jacket
Top Panel. Remove Top Panel.
3. Remove screws securing Canopy to Section
Assembly. Remove Canopy.
4. Using flashlight, examine all flue passageways.
a. If passageways are free of soot and
obstruction, replace canopy, secure and
seal.
b. 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.
5. Install new gasket material (See Section 15:
Service Parts). Install canopy.
6. Install Jacket Top Panel, Blocked Vent Switch,
Vent Damper, and vent pipe.
12 Service and Maintenance (continued)
WARNING
Service on this boiler should be undertaken only by trained and skilled personnel from a qualified service
agency. 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.
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