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