Columbia EMG-31 120 Instructions Manual Download

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Available Replacement Parts

Item

Description

Boiler Part Numbers

307120

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

FT Fire Chamber

221750

FT Base Assembly

Boiler Accessory Part Numbers

535030

Taco 007 Circulator Pump

559560

Altitude Gauge 1/4” x 2-1/2” Round

575020

Relief Valve (3/4” Male)

Summary of Contents for EMG-31 120

Page 1: ... ri ie es s B Bo oi il le er rs s 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 ...

Page 2: ...to replace any part of the control system and any gas control which has been under water Operating Instructions Quick Reference 1 Read all instructions prior to operating equipment 2 Set the thermostat to the lowest setting 3 Turnoff all electric power to the appliance 4 This device is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand 5 I...

Page 3: ...instruction manual carefully The information contained within is designed to help you maintain peak performance from your unit Product Features ASME Coded Boiler Registered with National Board Factory Mounted Wired Burner and Controls Fully Insulated Heat Exchanger with Powder Coated Cabinet Packaged with Standard Five Gallon per Minute Tankless Coil Domestic Hot Water Equipped with Triple Aquasta...

Page 4: ...e Size 0 242 11 64 0 250 13 64 0 290 7 32 Fuel Input Rate Cfm 1 95 0 79 2 28 0 95 2 60 1 06 Max Inlet Pressure W C 11 11 11 11 11 11 Min Inlet Pressure W C 5 5 5 5 5 5 Manifold Pressure W C 3 5 3 5 3 5 3 5 3 5 3 5 Head Position Factory Set Factory Set Factory Set Factory Set Factory Set Factory Set Air Shutter 31 30 45 42 65 78 Draft Over Fire W C 0 02 0 02 0 010 0 02 0 005 0 005 Draft in Stack W ...

Page 5: ...dth 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 H Washout 21 1 2 I Jacket Depth Including Flange 21 Depth Front to Rear w Burner 29 3 4 Hydronic Supply Size 1 1 4 Hydronic Return Size 1 1 4 Washout Size 3 4 ...

Page 6: ...ombustion air will result in a shift of the burner s performance curve and may result in the generation of CO gases inside of the heat exchanger Please refer to the Start Up Procedure Annual Maintenance Requirement sections for instructions on setting up and servicing the burner For installations in utility rooms or closets it is necessary to provide two separate ventilation openings in the door o...

Page 7: ...7 Note Installer responsible for ensuring that piping conforms to all applicable codes ...

Page 8: ... boiler has been filled with water until entire system has been purged of air System pressure must not exceed 30 PSI 11 Check burner and install desired orifice See burner manual for instructions All units are shipped from the factory with an orifice for each firing rate and natural gas or LP gas Select the correct orifice for you application from the chart in this manual and install per burner in...

Page 9: ...installing a listed draft inducer or draft regulator 23 Take a CO2 measurement using a combustion analyzer Adjust the air shutter so that the CO2 reading measures 9 0 Increase the air shutter opening to decrease the CO2 value and decrease the air shutter opening to increase the value 24 Use the combustion analyzer to verify that the CO level is below 100 ppm and that the flue temperature is above ...

Page 10: ...highest point of piping Trouble Too Much Heat Source Procedure Causes Remedy Circulator Check to see if Aquastat is operating properly Circulator does not stop running Repair Thermostat Check thermostat settings and calibration Thermostat set too high Reset thermostat Thermostat defective Replace thermostat Thermostat out of calibration Recalibrate thermostat Flow Valve Check to see if flow valve ...

Page 11: ...king in partially closed position Flow valve not opening fully Clean or replace flow valve Radiation Check radiators for air Radiators air bound Bleed radiators Check to ensure radiators are properly sized Radiators inadequate Install alternate radiators Boiler Determine required heat load Boiler too small for application Additional heating capacity required Tankless Coil Check usage of domestic h...

Page 12: ...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 FT Fire Chamber 221750 FT Base Assembly Boiler Accessory Part Numbers 535030 Taco 007 Circulator Pump 559560 Altitude Gauge 1 4 x 2 1 2 Round 575020 Relief Valve 3 4 Male ...

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