Related Manuals for Columbia EMG-31 120
Summary of Contents for Columbia EMG-31 120
- Page 1 Available in Natural Gas & Propane Rev 12012 Columbia Boiler Company PO Box 1070 • Pottstown, PA 19464 • Tel (610) 473-8457 • Fax (610) 367-6800 Website www.columbiaboiler.com • Email cbcsales@ptd.net...
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Page 2: Safety Instructions
Safety Instructions - Read Before Installing & Operating Equipment If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life A) This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. -
Page 3: Table Of Contents
Parts Over fifty years of engineering and product development have gone into your new Columbia boiler. Its quality and design are unsurpassed. Properly installed and maintained, it will provide many years of efficient and dependable operation. Please read this instruction manual carefully. The information contained within is designed to help you maintain peak performance from your unit. - Page 4 • EMG-31 120 EMG-31 140 EMG-31 160 Input (Btu/Hr)* 120,000 140,000 160,000 IBR Heat Capacity (Btu/Hr) 88,000 101,000 114,000 Valve Capacity (Lbs/Hr) Max Water Pressure (Psi) Burner Model Carlin EZ-Gas Carlin EZ-Gas Carlin EZ-Gas Nat. L.P. Nat. L.P. Nat. L.P.
- Page 5 Boiler Dimensions Water Content 21 Gallon Coil Capacity 5 GPM A) Jacket Height 45” B) Jacket Width 21” C) Hydronic Supply Height 43” D) Coil Supply Height 41” E) Burner Height 8-1/2” F) Hydronic Return Height 21-1/2” G) Flue Pipe Diameter 6”...
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Page 6: Installation Procedure
Installation Procedure Unit installation must be performed only by a qualified serviceman that is familiar with state and local codes. 1) Inspect the boiler package to ensure that no damage occurred during shipment. Please contact the distributor immediately if there is any sign of damage. 2) Maintain the boiler package in its protective crate as long as possible to prevent any damage when positioning the boiler. - Page 7 Note: Installer responsible for ensuring that piping conforms to all applicable codes...
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Page 8: Start Up Procedure
6) Wire 120 VAC to the aquastat control. Ensure that the hot wire (black) is connected to the L1 connector, the neutral wire (white) to the L2 connector and the grounding wire (bare) to the green screw in the control panel. The burner, circulator and control are installed at the factory and do not require any additional wiring. - Page 9 18) Attach a 1/8” NPT nipple and stop cock to the outlet side of the gas valve. Regulator Adjustment Screw 19) Attach a manometer to the nipple / stop cock assembly and take a reading of the gas pressure. 20) Make sure the manifold pressure is set at 3.5” W.C. Adjustments can be made to the manifold pressure by turning the set screw located on the gas valve.
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Page 10: Trouble Shooting
Trouble Shooting the System See burner manual for trouble shooting burner related problems. Draft Take a draft reading; draft Down drafts Install a listed vent cap should be -0.02” for chimney vent Insufficient draft Install a listed draft inducer Excessive draft Install a listed draft regulator Trouble: Boiling Noise in Top of Boiler... - Page 11 Trouble: Insufficient Heat Source Procedure Causes Remedy Circulator Check if circulator is Coupling worn or broken Replace coupling operational Pump binding Replace pump Circulator motor burned Replace circulator motor Wiring from operating Repair wiring control defective Thermostat Check thermostat settings Settings too low Increase setting Check thermostat location...
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Page 12: Parts
FT Baffle (8 Required) 305712 FT 6” Flue Box 337070 Gasket Material for Flue Box (25’ spool) 790330 Columbia Blank Coil Plate with 1/8” and 3/4” Tapping 481011 Columbia Coil Gasket 530675 Columbia 5 Gallon Coil Assembly with Gasket (Boxed) 337350...