Columbia WL-60 User manual

Columbia/Shenandoah®™
Waste Oil-Fired Boiler
Owner's Manual
WL-60 / L-24 Boiler
All Installations Must Be In Accordance With State and Local Codes and it is
the responsibility of the installer to assure all codes are met
For service, call your dealer or installer at:
or Columbia Boiler at [phone] to find the distributor for your area
Date Installed: ____________________________
WARRANTY NOTICE
Use of Columbia Boiler Company equipment on equipment not manufactured or designed for use by
Columbia Boiler, VOIDS the warranty - property or personal damage could occur.
Sizing of the boiler is the responsibility of the purchaser.
A complete heat loss calculation for the structure or process is necessary to select the proper unit size.
Columbia Boiler Company
P O Box 1070
Pottstown, PA 19464 USA

TABLE OF CONTENTS
SUBJECT PAG E
PACKING LIST 3
SPECIFICATIONS WL 60 / L 24 4-6
BOILER CONTROLS 9
BOILER FLAME & BRICK INSTALLATION INSTRUCTIONS 10-11
CONTROL LOCATIONS & PORTS WL 60 13
NOTES 17
CONTROL LOCATIONS & PORTS L 24 18-19
COIL INSTALLATION L24/WL60 20
BASIC BOILER & RADIANT HEAT INFORMATION 21
CABINET / JACKET ASSEMBLY 23
WATER TREATMENT 23-25
BOILER MAINTENANCE and MODEL 24 SWING DOOR OPERATION 26-28
BURNER / PUMP / CHIMNEY , AIR & OIL SUPPLY 28-34
ELECTRICAL / WIRING DIAGRAMS 34
START UP 40
BURNER MAINTENANCE 42
TROUBLE SHOOTING GUIDE 49
PA RT S 51
APPENDICIES A/B : WARRANTIES A/B
ATTACHMENTS : OEM CONTROLS INSTRUCTIONS

3
PACKING LIST
1 Boiler (coils installed if ordered)
1 Carton of cabinet panels
1 Temp/Pressure Gage
1 ASME Relief Valve (15 psi steam or 30 psi water)
1 Operating Aquastat w/ Thermowell or Steam Control
1 High Limit Aquastat w/ Thermowell or High Limit Steam Control
1 Low Water Cutoff w/ remote sensor (manual reset unless specified)
1 Water Level Gauge (glass) When boiler ordered as steam
1 Boiler Manual
1 3/4 X 1/2 FPT Swivel
1 Shenandoah Logo Label, white
1 Electric Junction Box w/ inner Bracket and Cover
1 Terminal Strip
1 Model Label (WL 60 / L 24) white
1 1/4 x 1/4 x 1/8 tee
1 1/4 NPT Hex Nipple
1 1/4 Nipple
1 1/2 Nipple
1 Suction Screen
1 Oil Filter w/ Gage
1 3/4 Check Valve
1 Vac/Air Gage
1 Oil Pump
24 Fire Brick
12 Split Firebrick (Model 24 series only)
1 Burner
1 Burner Swing Door (mounted)
1 Burner Cord (Quick Connect)
1 Boiler Cleaning Brush
1 Relay

4
COLUMBIA WL-60 WASTE OIL-FIRED BOILERS
Product Specifications
1. Boiler Construction:
1. Boiler shall meet EPA exemption guidelines for safe disposal (40 CFR 266) of used oil.
2. The boiler shall be ASME, I.B.R., ETLM approved and stamped to conform with the National Board of
Boiler and Pressure Vessel Inspectors.
3. The boiler shell and tubes shall be designed for burning #1, #2 fuel oil, used crank case oils, used
transmission, hydraulic and gear oils and any weight combinations up to SAE #50.
4. The cabinet shall be constructed of a minimum of 20 gauge galvaneal steel with a heat and
mar-resistant finish.
5. The boiler shall be of an inclined water tube design for self cleaning action.
6. Tankless coils shall be available and field replaceable.
2. Burner Construction:
1. U.S. and Canadian patented burner with slide out gun assembly providing a 36" oil preheat.
2. Burners shall be of the low pressure, air atomizing type using a thermostatically controlled combustion
air and oil preheat gun assembly.
3. The burner oil gun must have an automatic pre and post flame purge cycle.
4. The preheat assembly shall prevent overheating and over-pressurization of both air and oil. This design
must also limit internal carbonization and nozzle plugging associated with overheated fossil fuel
mixtures.
5. Access shall be provided to easily remove the gun assembly and allow routine maintenance without
removing the burner.
6. Burner shall be supplied to fire at the input rate specified.
7. Burner shall have a non-condensing exhaust.
8. Air for atomization must be designed to connect into an existing pressurized air source.
9. A quick disconnect cord shall be provided for electrical service to the burner.
3. Heat Exchanger:
1. Heat exchanger shall be of a multi water tube design.
2. Firing chamber shall be a welded construction with a minimum of 1/4" boiler plate.
3. Flame target area shall be refractory or brick and shall be replaceable. Replacement materials shall be
available.
4. The heat exchanger shall have welded multi path 2" minimum diameter ERW ASTM 176.66 tubes with
a minimum of 3/16 inch wall.
5. Three easy access, clean out panels shall be provided for exterior tube cleaning maintenance.
6. Must have a flame inspection port for visual inspection of flame without opening door or disturbing
draft.
7. Flue is 10" with a minimum 11 gauge connector.
8. Shall have a removable hinged burner mount for fire chamber access.
9. Shall have a minimum of (4) 2" washouts.
10. Shall have available a 4" supply and 3" return water connection.
11. Hinged Burner Extension factory attached to Boiler.
12. Combustion chamber modifications include field installation of firebrick on back wall and sides of
firing chamber.