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Summary of Contents for Columbia MPH SERIES
- Page 1 COLUMBIA MULTI-PASS HORIZONTAL BOILER MPH SERIES INSTALLATION, OPERATION and MAINTENANCE MANUAL COLUMBIA BOILER COMPANY POTTSTOWN, PENNSYLVANIA...
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Page 3: Table Of Contents
Table Of Contents PARTS WARRANTY ............2 INTRODUCTION . - Page 4 4. All state and local codes take precedence over any recommendations given in this manual. 5. Columbia Boiler performed testing on the MPH boiler line using specific makes and models of burners. Should you choose to supply your own burn- er, please contact the burner manufacturer to confirm compatibility with the MPH boiler design.
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Page 5: Parts Warranty
390 Old Reading Pike, Pottstown PA 19464. The use of the Columbia returned goods form is mandatory when returning defective material. c. Columbia is not responsible for any labor cost for the removal and replacement of equipment. d. Equipment which is repaired or replaced will carry a warranty equal to the unexpired portion of the original equipment warranty. -
Page 6: Introduction
No. 2 fuel oil, and/or natural, manufactured, or liquid propane (LP) gas, and are powered by standard AC electrical service. Columbia MPH hot water and low pressure steam boilers are typically shipped knocked down (unassembled), but are also available factory packaged. All boilers are furnished with a burner and boiler trim (the jacket is factory installed). -
Page 7: Service Policy
Date Installed _______________________________________________________ Burner Type and Model ________________________________________________ Primary Burner Control Type ____________________________________________ Installer's Name ______________________________ Phone (___)____________ Address ____________________________________________________________ Distributors Name ____________________________ Phone (___)_____________ Address ____________________________________________________________ Sales Representative __________________________ Phone (___)_____________ Address ____________________________________________________________ Specific Problem - Detailed MPH COLUMBIA BOILER COMPANY... -
Page 8: Installation
See page 4 for draft regulator installation on multiple boilers with common breaching. All Columbia boiler models utilize a pressure fired burner and need only to be properly vented. For situations where unusual conditions may exist, consult the factory for proper venting. -
Page 9: Jacket Assembly
COLUMBIA BOILER COMPANY OF POTTSTOWN SHALL NOT BE HELD LIABLE FOR DAMAGE TO THE BOILER CAUSED BY INCORRECT VENT CONDITIONS AND/OR INSUFFICIENT BURNER MAKEUP AIR. JACKET ASSEMBLY The jacket for the MPH boiler is factory installed and should not have to be removed for instal- lation of the boiler. -
Page 10: Boiler Connections
Drains All Columbia Boiler MPH units have (2) 1-1/4" drains. These are located in the front and rear of the boiler below the fire chamber. Install a pipe nipple and ball valve in a least one for use as a drain. - Page 11 Steam Gauge using the supplied steam syphon to the 1/2" NPT fittings on the front of the boil- Aquastat Controllers ® Aquastat Controllers are used to regulate boiler water temperature. Columbia supplies an ® Operating Control and a Safety Limit Aquastat with all hot water boilers and water heaters. An ®...
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Page 12: Fuel Connections
10 feet and a two stage pump when lift exceeds 10 feet. Both conditions require the use of a return line which purges the fuel pump of air, returning it to the fuel tank. The “by-pass” plug must be inserted into the fuel pump when installing a return line. (Two Pipe) MPH COLUMBIA BOILER COMPANY... - Page 13 The minimum gas supply pressure required by the burner is seven inches water column for all Power Flame MPH Series burners. The maximum gas supply pressure to the Power Flame burner is fourteen inches water column. Gas pressure greater than fourteen inches water col- umn will require an additional gas pressure regulator to prevent damage to the primary gas reg- ulator.
- Page 14 Vent lines, if required, are to be run outside the building, stopping clear of windows or fresh air intakes. The vent should terminate in a way that will not allow the possibility of water, dirt, insects, animals, and other matter from entering and clogging the vent pipe. MPH COLUMBIA BOILER COMPANY...
- Page 15 In situations where a boiler room experiences a negative pressure, use a direct air intake. A direct air intake uses an adapter over the burner fan intake housing to draw in outside air through duct work, from an external source. Consult burner manufacturer for parts and availabil- ity. MPH COLUMBIA BOILER COMPANY...
- Page 16 34 X 34 MPH 60 2,520,000 1260 36 X 36 MPH 70 2,940,000 1470 40 x 40 MPH 80 3,360,000 1680 42 X 42 MPH 90 3,780,000 1890 44 X 44 MPH 100 4,200,000 2100 46 X 46 MPH COLUMBIA BOILER COMPANY...
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Page 17: Cleaning And Filling A New Steam Boiler
1. Fill the boiler to the normal waterline. 2. Remove the safety valve. 3. Provide a boilout compound of caustic soda and trisodium phosphate in the proportions of 2-1/2 lbs. of each chemical per 120 gallons of water. MPH COLUMBIA BOILER COMPANY... - Page 18 11. Fill the boiler to the normal waterline. 12. Add boiler water treatment as prescribed by a water treatment specialist. 13. Boil or bring water temperature to at least 180°F immediately. 14. The boiler is ready to put into service or on standby. MPH COLUMBIA BOILER COMPANY...
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Page 19: Operating The Boiler
It is important to have the proper test equipment in order to adjust the combustion and pilot if equipped. Those items that may be required include a manometer, micro ammeter, multimeter, vacuum gauge, 0-300 PSI pressure gauge, carbon dioxide or oxygen analyzer, carbon monox- ide tester, smoke gun, and stack thermometer. MPH COLUMBIA BOILER COMPANY... -
Page 20: Starting The Boiler
Follow the adjustment procedures outlined in the burner section of this manual to set up the burner for proper operation. STOPPING THE BOILER To stop the boiler turn the main disconnect to the OFF position. MPH COLUMBIA BOILER COMPANY... -
Page 21: Burner Start Up And Test Information
Aux LWCO______________________q Flame Safeguard________________q Safety Limit_____________________q Low Gas Pressure_______________q Ignition Failure Low Water Cut Off_______________q High Gas Pressure_______________q Flame Failure Interlock Set Points ____________ q Motor Amps ____________________q Damper Position_________________q Comments ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ MPH COLUMBIA BOILER COMPANY... -
Page 22: Control Descriptions
CONTROL DESCRIPTIONS STEAM BOILERS Pressure Controllers All Columbia steam boilers are controlled by both operating Pressure Controllers. Both devices are adjustable. These switches open when pressure reaches the main scale set point value, cycling the boiler off. The operating Pressure Control also has an adjustable differential feature. Differential settings values are subtractive from the main scale set point value, indicating the change in pressure for when the boiler will refire. - Page 23 Always maintain a proper operating gap between the set pressure of the safety valve and the maximum operating pressure of the boiler. If the valve discharges on its own, contact a qualified service technician to determine the cause. This may be an indication of equipment or system malfunction. MPH COLUMBIA BOILER COMPANY...
- Page 24 HOT WATER BOILERS Aquastat Controllers ® All Columbia water boilers and indirect water heaters are controlled by both operating and safe- ty limit Aquastat Controllers. The safety limit should always be adjusted higher than the oper- ® ating limit under normal operating conditions. If for any reason the water temperature would exceed the operating limit and not trip the control, the safety limit should break the circuit to the burner.
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Page 25: Maintenance
A. Gas boilers: Close fuel supply to pilot and main gas and check shut down timing. B. Oil boilers: Remove cad cell leads and check shut down timing. 2. Check fuel valves; Open limit switch and make aural and visual check. 3. Check ignition system flame signal. MPH COLUMBIA BOILER COMPANY... -
Page 26: Monthly Boiler Check & Maintenance List
WARNING: DO NOT OPERATE THE BOILER WITHOUT THE GAUGE GLASS PROTEC- TOR INSTALLED. NEVER ATTEMPT TO WORK ON THE GAUGE GLASS WHILE THE BOILER IS UNDER PRESSURE. ALWAYS CLOSE GAUGE VALVES PRIOR TO TIGHTENING GASKETS ON WATER LEVEL GAUGE GLASS. SERIOUS INJURY COULD RESULT. MPH COLUMBIA BOILER COMPANY... - Page 27 Then go back to the boiler blowdown valve, open and close the valve, very fast, two more times. Repeat this procedure with the low water cut off valve. This will rid the boiler of most precipitated sediment. DO NOT EMPTY THE BOILER OF ALL ITS WATER. MPH COLUMBIA BOILER COMPANY...
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Page 28: Water Treatment
The pH should be maintained between a minimum of 10.5, and a maximum of 11.0 to prevent acidic corrosion of boiler tubes and plates, and to provide for the precipitation of scale forming salts before scale is deposited. MPH COLUMBIA BOILER COMPANY... - Page 29 High boiler solids will lead to foaming, priming, surging and carry over. These problems can be overcome by proper, daily blowdown of the boiler. MPH COLUMBIA BOILER COMPANY...
- Page 30 If oil does get into the boiler, the boiler should be taken out of service immediate- ly, and thoroughly cleaned. MPH COLUMBIA BOILER COMPANY...
- Page 32 MET -224...
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