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