Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A
Installation Operation Repair Parts
Read all instructions carefullybefore starting the installation
Gas- Fired Cast Iron HOT WATER BOILER
LIMITED 20 YEAR WARRANTY ON HOT WATER CAST IRON BOILERS
KENNMORE CAST IRON BOILERS
FULL ONE YEAR WARRANTY ON HOT WATER AND GAS STEAM CAST IRON BOILERS
LIMITED 12 YEAR WARRANTY ON STEAM CAST IRON BOILERS
31 ?
r ErPPLE
BOILERS FOR USE AT HIGH ALTITUDE
FIG, 2 - MINIMUM CLEARANCE DTMENSIONS
VOLUME
Cu.Ft
6-9SECT
L All Air from Inside the BuildingTheconfinedspaceshall bepro
V,¢ Wire
EXAMPLE1 Boiler Locatedin UnconfinedSpace
EXAMPLE2 Boiler Locatedin ConfinedSpace
FOR USE WITH COOUNG UNITS
LOW DESIGN WATER TEMPERATURE SYSTEMS
SEATS AND SEALS. OVERHEATING THIS VALVE
MAY CAUSE PREMATURE FAILURE
REMOVING EXISTING BOILER FROM COMMON VENTING SYSTEM
CONNECTING THE VENT DAMPER AND VENT CONNECTOR
As An Option
MINIMUM VENT PIPE CLEARANCE
HORIZONTAL INSTALLATION
Forsafe,efficientoperation,the vent damper and all flue
iIi6010
MANUAL OPERATION OF THE VENT DAMPER
CONNECTING THE GAS PIPING
CHECK GASSUPP
CHECKING THE GAS PIPING
INSTALL YOUR THERMOSTAT
ELECTRIC POWER SUPPLY
FOLLOW LOCAL ELECTRICAL CODES
Connect Circulator Pump Wiring
THIS PAGE INTENTIONALLY LEFT BLANK
THIS PAGE INTENTIONALLY LEFT BLANK
SHUT OR=
BE REPLACE WITH TYPE 105 C THERMOPLASTIC WIRE OR ITS EQUIVALENT
T w
L BK
PROTECTED
D-L--I
m-o4
BE REPLACE WITH TYPE 105 C THERMOPLASTIC W.TREOR ITS EQUIVALENT
AIR ELIMINATING FITTING AIR PURGER
RELIEF VALVE
EXPANSION TANK
DIAPHRAGM TYPE EXPANSION TANK
L7148F ELECTRONIC AQUASTAT CONTROL
ROLLOUT SWITCH FLAME ROLLOUT SAFETY SHUTOFF
SPILL SWITCH BLOCKED VENT SAFETY SHUTOFF
VENT DAMPER
HOW A HOT-WATER SYSTEM OPERATES
FILLING SYSTEM WITH WATER
WARNING - Never run water into a hot empty boiler
instructions
causing
If you do
not follow these
RELIGHT
SAFETY PILOT
TO TURN OFF GAS TO APPLIANCE t. Set the thermostat to lowest setting
AUTOMATIC GAS VALVE
Setting
ADJUST PILOT BURNER
1. Remove screw cover over pilot adjusting screw
ADJUST LIMIT CONTROLS
EXPANSION TANK
CLEANING YOUR BOILER AND BURNERS
BURNERS
RELIEF VALVE
PWX WITH STANDING PILOT
INITIAL SERVICE CHECKS
FIG.19
STATUS LIGHTS
BURNER
SYMPTOM
POSSIBLE CAUSE
ACTION
FOR YOUR SAFETY
JACKET- SECTION AND BASE PARTS
THIS IS A REPAIR PARTS LIST - NOT A PACKING LIST
GAS-FIRED HOT WATER BOILERS
READ THESE INSTRUCTIONS BEFORE ORDERING
3ACKET - SECTION AND BASE PARTS
JACKET PARTS
LED & COVER PANEL ASSEMBLY
RO£S
COVER PANEL / CONTROL BOX ASSEMBLY
WIRING MARNSS
CONTROL BOX ASSEMBL Y
GAS TRAIN - NATURAL
NATURAL GAS BURNER AND MANIFOLD ASSEMBLY
7 1/2 Nipple
BOILER CONTROLS AND PIPING
DESCRIPTION
Part Number
HONEYWELL L7148F TROUBLE SHOOTING GUIDE
Page
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A
Gas - Fired Cast Iron HOT WATER BOILER