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Table of contents for the manual
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Page 1
INST INST INST INST INST ALLA ALLA ALLA ALLA ALLA TION MANU TION MANU TION MANU TION MANU TION MANU AL AL AL AL AL AND OPERA AND OPERA AND OPERA AND OPERA AND OPERA TING INSTR TING INSTR TING INSTR TING INSTR TING INSTR UCTIONS UCTIONS UCTIONS UCTIONS UCTIONS MGB MGB MGB MGB MGB GAS FIRED BOILERS FOR FORCED HOT W A TER Utica Boilers, • P .O. Box [...]
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Page 2
T T T T T ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS Safety Symbols & Warnings ........................................................................ Page 2 Installation Procedure .................................................................................. Page 3 Ventilation and Combustion Air .[...]
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Page 3
IMPOR IMPOR IMPOR IMPOR IMPOR T T T T T ANT! ANT! ANT! ANT! ANT! READ ALL INSTRUCTIONS BEFORE INSTALLING. WARNING: WARNING: WARNING: WARNING: WARNING: 1. Keep boiler area clear and free from combustible materials, gasoline and other flammable vapors and liquids. 2. DO NOT obstruct air openings to the boiler room. 3. Modification, substitution or el[...]
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Page 4
INST INST INST INST INST ALLA ALLA ALLA ALLA ALLA TION PR TION PR TION PR TION PR TION PR OCEDURE OCEDURE OCEDURE OCEDURE OCEDURE WARNING: Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. 1. The installation must conform to the requirements of the authority having jurisdiction or, in the abs[...]
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Page 5
PAGE 4 COMB COMB COMB COMB COMB USTION USTION USTION USTION USTION AIR REQ AIR REQ AIR REQ AIR REQ AIR REQ UIREMENTS UIREMENTS UIREMENTS UIREMENTS UIREMENTS (MINIMUM SQUARE INCHES OPENING) * * * * * UNCONFINED AREA ** ** ** ** ** CONFINED AREA OUTSIDE INSIDE OUTSIDE COMBUSTION AIR MODEL COMBUSTION COMBUSTION VERTICAL HORIZONTAL NUMBER AIR 1 SQ. IN [...]
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Page 6
PAGE 5 construction, air for combustion and ventilation must be obtained from outdoors or from spaces freely communicating with the outdoors. A permanent opening or openings having a total free area of not less than 1 square inch per 5,000 BTU per hour of total input rating of all appliances shall be provided. Ducts may be used to convey makeup air[...]
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Page 7
FIGURE 3 FIGURE 4 shall be permitted where the equipment has clearances of at least 1 inch from the sides, 1 inch from the back, and 6 inches from the front of the boiler. The opening shall directly communicate with the outdoors or shall communicate through a vertical or horizontal duct to the outdoors or spaces (crawl or attic) that freely communi[...]
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Page 8
PAGE 7 FIGURE 7 FIGURE 6 BYPASS PIPING MIXING VALVE PIPING 3. Hot water boilers installed above radiation level must be provided with a low water cut- off device. 4. When a boiler is connected to a heating system that utilizes multiple zoned circulators, each circulator must be supplied with a flow control valve to prevent gravity circulation. 5. H[...]
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Page 9
PAGE 8 7. Installation using circulators is shown in figure 9 below. 8. Installation using zone valves is shown in figure 10 on page 9. 9. For further piping information refer to the I=B=R Installation and Piping Guide. FIGURE 9 FIGURE 8 PRIMARY SECONDARY PIPING WITH BY PASS[...]
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Page 10
PAGE 9 VENT INST VENT INST VENT INST VENT INST VENT INST ALLA ALLA ALLA ALLA ALLA TION TION TION TION TION WARNING: WARNING: WARNING: WARNING: WARNING: This boiler shall not be connected to any portion of a mechanical draft system operating under positive pressure. 1. The vent pipe must slope upward from the boiler not less then 1/4 inch for every [...]
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Page 11
VENT SY VENT SY VENT SY VENT SY VENT SY STEM MODIFICA STEM MODIFICA STEM MODIFICA STEM MODIFICA STEM MODIFICA TION TION TION TION TION When an existing boiler is removed from a common venting system, the common venting system is likely to be too large for the proper venting of the appliances remained connected to it. If this situation occurs, the f[...]
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Page 12
VENT D VENT D VENT D VENT D VENT D AMPER INST AMPER INST AMPER INST AMPER INST AMPER INST ALLA ALLA ALLA ALLA ALLA TION TION TION TION TION AND INSTR AND INSTR AND INSTR AND INSTR AND INSTR UCTIONS UCTIONS UCTIONS UCTIONS UCTIONS INSTALLATION INSTALLATION INSTALLATION INSTALLATION INSTALLATION NOTE: Refer to Figure 11for steps 1 - 7. 1. Place Vent [...]
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Page 13
CONNECTING GAS SERVICE CONNECTING GAS SERVICE CONNECTING GAS SERVICE CONNECTING GAS SERVICE CONNECTING GAS SERVICE 1. Connect gas service from meter to control assembly in accordance with ANSI Z223.1 and local codes or utility. A ground joint union should be installed for easy removal of gas control for servicing. A drip leg or trap must be install[...]
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Page 14
LIGHTING INSTRUCTIONS LIGHTING INSTRUCTIONS LIGHTING INSTRUCTIONS LIGHTING INSTRUCTIONS LIGHTING INSTRUCTIONS WARNING: WARNING: WARNING: WARNING: WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. Before any procedures are attempted on this appliance, it[...]
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Page 15
FIGURE 14 PAGE 14 LIGHTING PROCEDURE FOR BOILER WITH LIGHTING PROCEDURE FOR BOILER WITH LIGHTING PROCEDURE FOR BOILER WITH LIGHTING PROCEDURE FOR BOILER WITH LIGHTING PROCEDURE FOR BOILER WITH INTERMITTENT PIL INTERMITTENT PIL INTERMITTENT PIL INTERMITTENT PIL INTERMITTENT PIL O O O O O T SY T SY T SY T SY T SY STEMS STEMS STEMS STEMS STEMS . . . .[...]
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Page 16
LIGHTING PROCEDURE FOR BOILER LIGHTING PROCEDURE FOR BOILER LIGHTING PROCEDURE FOR BOILER LIGHTING PROCEDURE FOR BOILER LIGHTING PROCEDURE FOR BOILER WITH CONTINUOUS PIL WITH CONTINUOUS PIL WITH CONTINUOUS PIL WITH CONTINUOUS PIL WITH CONTINUOUS PIL O O O O O T T T T T FOR YOUR SAFETY READ BEFORE LIGHTING FOR YOUR SAFETY READ BEFORE LIGHTING FOR YO[...]
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Page 17
9. Push in gas control knob or reset button if so equipped, all the way in and hold. Immediately light the pilot with a match. Continue to hold the gas control knob or reset button in for about 1 minute after the pilot is lit. Release knob or button, and it will pop up back up. Pilot should remain lit. If it goes out, repeat steps 5 through 9. * If[...]
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Page 18
GENERAL INSTRUCTIONS GENERAL INSTRUCTIONS GENERAL INSTRUCTIONS GENERAL INSTRUCTIONS GENERAL INSTRUCTIONS Before seasonal start-up, have a competent service agency check the boiler for soot and scale in the flues, clean the burners and check the gas input rate to maintain high operating efficiency. CA CA CA CA CA UTION: UTION: UTION: UTION: UTION: L[...]
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Page 19
FIGURE 19 FIGURE 20 PAGE 18 the mirror positioned above the burners, the flue gas passageways can be checked for soot or scale. The following procedure should be followed to clean the flue gas passageways: 1. Remove the burners from the combustion chamber by raising the burners up from the manifold orifices and pulling toward the front of the boile[...]
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Page 20
The burners and pilot should be checked for signs of corrosion, rust or scale buildup. The area around the boiler must be kept clear and free of combustible materials, gasoline and other flammable vapors and liquids. The free flow of combustion and ventilating air to the boiler and boiler room must not be restricted or blocked. It is recommended th[...]
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Page 21
PAGE 20 CHECK SAFETY CONTROL CIRCUIT, after burner adjustments are made, for satisfactory operation. 1. Pilot: With main burner operating, turn the pilot gas adjusting screw clockwise until pilot gas is turned off. See figures 14, 15, & 16 on pages 14 & 15. Within 90 seconds the main gas control should close, shutting off the gas to the mai[...]
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Page 22
MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA CEMENT P CEMENT P CEMENT P CEMENT P CEMENT P AR AR AR AR AR TS - PIL TS - PIL TS - PIL TS - PIL TS - PIL O O O O O TS TS TS TS TS FIGURE 25 PAGE 21 1 1520001 THERMOCOUPLE Q309A 1 2 HW-009.01 SCREW #8-18X1/2 4 3 PB-011.03 PILOT STDG Q380 NAT 1 PB-011.04 PILOT STDG Q[...]
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Page 23
MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA CEMENT P CEMENT P CEMENT P CEMENT P CEMENT P AR AR AR AR AR TS - B TS - B TS - B TS - B TS - B ASE ASE ASE ASE ASE FIGURE 26 PAGE 22 1 3352401 BURNER TUBE 1.3/4" MGB50 (1) MGB75 (2) MGB100 (2) MGB125 (3) MGB150 (3) MGB175 (4) MGB200 (4) MGB250 (5) MGB300 (6) 2[...]
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Page 24
MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA CEMENT P CEMENT P CEMENT P CEMENT P CEMENT P AR AR AR AR AR TS - J TS - J TS - J TS - J TS - J A A A A A CKETS CKETS CKETS CKETS CKETS FIGURE 27 PAGE 23 1 31621501 PANEL - TOP MGB50 1 31621502 PANEL - TOP MGB75 & 100 31621503 PANEL - TOP MGB125 31621504 PANEL -[...]
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Page 25
MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA CEMENT P CEMENT P CEMENT P CEMENT P CEMENT P AR AR AR AR AR TS TS TS TS TS HEA HEA HEA HEA HEA T EX T EX T EX T EX T EX CHANGER CHANGER CHANGER CHANGER CHANGER FIGURE 28 PAGE 24 ITEM NO P /N DESCRIPTION QTY. 1 100-2-2.01 B-LEFT HAND SECTION 1 2 100-2-1.01 B-CENTER [...]
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Page 26
MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA MGB SERIES REPLA CEMENT P CEMENT P CEMENT P CEMENT P CEMENT P AR AR AR AR AR TS TS TS TS TS PIPING & CONTROLS PIPING & CONTROLS PIPING & CONTROLS PIPING & CONTROLS PIPING & CONTROLS FIGURE 29 PAGE 25 ITEM NO P/N DESCRIPTION QTY. 1 37513301 WIRE ROLLOUT/SPILL 28&[...]
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Page 27
§ § § ** † ∆ ∆ ∆ ∆ ∆ Natural Propane Boiler A.G.A. Heating I=B=R NetRating No. Recommended Gas Orifice Water No. Input Capacity NetOutput S q . F t. H W o f Air Cushion Orifice Drill Content Btu/Hr. Btu/Hr. Btu/Hr @ 1 70 o Burners Tank Drill Size Size (Gals.) MGB 50 50,000 42,000 37,000 24 3 1 15 30 47 2.4 MGB 75 75,000 63,000 55,000[...]
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Page 28
* Pump size Boiler Natural Dimensions Supply & No. Ga s Return Inlet A B C D E F Tappings MGB 50 1/2" 11.1/8" 5.1/2" 4" 30.3/4" 36.1/4" 6" 1.1/4" MGB 75 1/2" 15 7.1/2" 5" 30.3/4" 37.3/4" 6" 1.1/4" MGB 100 1/2" 15 7.1/2" 6" 30.3/4" 37.1/4" 6.1/2&q[...]