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Utica Boilers P.O. Box 4729 Utica, NY 13504

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MAGB

MODULAR GAS FIRED BOILERS

FOR FORCED HOT WATER

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Содержание MAGB

Страница 1: ...Utica Boilers P O Box 4729 Utica NY 13504 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MAGB MODULAR GAS FIRED BOILERS FOR FORCED HOT WATER ...

Страница 2: ... Boilers with Refrigeration Systems Pages 13 Connecting Gas Service Page 14 Electrical Wiring Page 15 Thermostat Installation Page 15 Lighting Instructions Pages 15018 Normal Sequence of Operation Page 18 General Instructions Pages 19 21 Checking Gas Input Rate to Boiler Page 21 Controls Page 22 Wiring Diagram Pages 23 Replacement Parts List and General Assembly Pages 24 30 KEEP THIS MANUAL NEAR B...

Страница 3: ...onal injury or the loss of life 4 When this product is installed in the Commonwealth of Massachusetts the installation must be performed by a Licensed Plumber or Licensed Gas Fitter Safety Symbols DANGER DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury WARNING WARNING Indicates a potentially hazardous situation which if not avoided COUL...

Страница 4: ...2 945 17 6 62 250 26 625 13 313 600 2 1065 20 8 70 000 30 500 15 250 750 3 1400 26 4 97 875 26 625 13 313 900 3 1600 31 2 109 500 30 500 15 250 1000 4 1890 35 2 133 500 26 625 13 313 1200 4 2135 41 6 149 000 30 500 15 250 1500 5 2665 52 0 188 000 30 500 15 250 1800 6 3200 62 4 228 000 30 500 15 250 2100 7 3730 72 8 267 500 30 500 15 250 2400 8 4265 83 2 307 000 30 500 15 250 ...

Страница 5: ... 000 820 000 713 000 4 753 4 14 16 X 20 1200 1 200 000 960 000 845 000 5 635 4 16 18 X 20 1500 1 500 000 1 200 000 1 057 000 7 043 5 16 20 X 20 1800 1 800 000 1 440 000 1 268 000 8 452 6 18 20 X 30 2100 2 100 000 1 680 000 1 479 000 9 861 7 20 22 X 30 2400 2 400 000 1 920 000 1 690 000 11 289 8 22 24 X 30 DOE HEATING CAPACITY For elevations above 2000 feet ratings should be reduced at a rate of 4 ...

Страница 6: ...PAGE 5 TYPICAL LAY OUTS FOR GAS FIRED SYSTEMS ...

Страница 7: ...PAGE 6 SUPPLY AND RETURN PIPING ...

Страница 8: ...and other performance criteria with the gas manifold and control assembly on the boiler per the latest revision of ANSI Z21 13 5 The boiler shall be installed such that the gas ignition system components are protected from water dripping spraying rain etc during appliance operation and service circulator replacement condensate trap control replacement etc 6 LOCATE BOILER on level solid base as nea...

Страница 9: ...BTU HR 1000 BTU HR 4000 BTU HR 2000 BTU HR SEE FIG 2 SEE FIG 1 500 2 125 500 125 250 600 2 150 600 150 300 750 3 188 750 188 375 900 3 225 900 225 450 1000 4 250 1000 250 500 1200 4 300 1200 300 600 1500 5 375 1500 375 750 1800 6 450 1800 450 900 2100 7 525 2100 525 1050 2400 8 600 2400 600 1200 Unconfined area A space whose volume is not less than 50 cubic feet per 1000 BTU per hour of all applia...

Страница 10: ...p and one 12 inchesfromthebottomoftheenclosedspace Eachopeningshallhaveaminimumfreearea of1squareinchperonethousand 1000 BTUperhourofthetotalinputratingofallappliances in the enclosed space but must not be less than one hundred 100 square inches These openingsmustfreelycommunicatedirectlywithotherspacesofsufficientvolumesothatthe combined volume of all spaces meets the criteria for an unconfined s...

Страница 11: ...the common flue must be at least equal to the area of the largest flue plus 50 percent of the area of each additional flue PAGE 10 area1squareinchper2 000BTUperhouroftotalinputratingofallappliancesintheenclosed space B Onepermanentopening commencingwithin12inchesofthetopoftheenclosure shall be permitted where the equipment has clearances of at least 1 inch from the sides 1 inch from the back and 6...

Страница 12: ...nector into socket on Damper Motor frame 7 Replace Damper Motor cover 8 Wire Damper in accordance with figure 3 below INSTRUCTIONS 1 Ensure that only the boiler is serviced by the Vent Damper See Figure 4 above 2 Clearance of not less than 6 inches between Vent Damper and combustible material must be maintained Additional clearance should be allowed for service of Vent Damper 3 Vent Damper must be...

Страница 13: ...e building Turn on clothes dryers and any other appliance not connected to the common venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers D Place in operation the appliance being inspected Follow the lighting instructions Adjust thermostat so appliance will operate continuousl...

Страница 14: ... heating cycle open valves A and B close valves C and D B During cooling cycle open valves C and D close valves A and B C Maintain a minimum clearance of one inch to hot water pipes D When the boiler is connected to heating coils located in air handling units where they may be exposed to refrigerated air circulation the boiler piping system MUST BE supplied with flow control valves or other automa...

Страница 15: ...ping use a soap and water solution or other approved method WARNING DO NOT USE AN OPEN FLAME 4 Disconnect the boiler from the gas supply piping system during any pressure testing of the gas piping After reconnecting leak test the gas connection and boiler piping before placing the boiler back into operation 5 Seefigure7belowforatypicalgaslineinstallation andthetablebelowforpipesizes FIGURE 6 FIGUR...

Страница 16: ...Lighting Fixture E Television F A Fireplace or Chimney 4 Check thermostat operation by raising and lowering thermostat setting as required to start and stop the burners 5 Instructions for the final adjustment of the thermostat are packaged with the thermostat adjusting heating anticipator calibration etc PAGE 15 LIGHTING INSTRUCTIONS WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EX ACTLY A FIRE ...

Страница 17: ...y part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS FOR INTERMITTENT PILOT SYSTEMS 1 STOP Read the safety information in the User s Information Manual 2 Set the thermostat to lowest setting 3 Turn off all electric power to the applianc...

Страница 18: ...pliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS FOR CONTINUOUS PILOT 1 STOP Read the safety information at the beginning of these instructions 2 Set the thermostat to the lowest setting 3 Turn off all electric power to the appliance 4 Remove access panel if present and burner door 5 Turn gas control knob clockwise to OFF Se...

Страница 19: ...panel if present 6 Call a qualified service technician NORMAL SEQUENCE OF OPERATION For a single module the thermostat will actuate completing the circuit to the aquastat The completed circuit to the aquastat will first activate the circulator and damper When the damper is fully open it will complete the circuit to the ignition system and ignition will take place In the event the boiler water temp...

Страница 20: ...uld be oiled at the same time for quiet operation Follow the manufacturer s instructions for oiling the shaft bearing The venting system should be inspected at the start of each heating season Check the vent pipe from the boiler to the chimney for signs of deterioration by rust or sagging joints Repair if necessary Remove the vent pipe at the base of the chimney or flue and using a mirror check fo...

Страница 21: ... blue outer mantel Check the burner throats and burner orifices for lint or dust obstruction See figures 12 and 13 below The pilot flame should envelope 3 8 to 1 2 inch of the tip of the pilot thermocouple ignition sensing electrode or mercury sensor See figure 14 on page 21 To adjust the pilot flame remove the pilot adjustment cover screw figures 8 and 9 on pages 16 and 17 and turn the inner adju...

Страница 22: ...ompany This will determine the number of cubic feet of gas required per hour With all other gas appliances off determine the flow of gas through the meter for two minutes and multiply by 30 to get the hourly rate Make minor adjustments to the gas input as described above If the proper rate cannot be obtained contact the manufacturer CHECK SAFETY CONTROL CIRCUIT after burner adjustments are made fo...

Страница 23: ...odules as the outdoor temperature falls below their settings PHASE 6 10 CONTROLS Consist of a microprocessor control W100J capable of sequentially step firing up to 6 heating modules necessary to match the heat load based on outdoor and or indoor air temperature The C7031G outdoor air sensor and C7170A discharge water temperature sensor work in unison to adjust the system water temperature corresp...

Страница 24: ...PAGE 23 FIGURE 16 PHASE 2 CONTROL LOCATIONS AND WIRING ...

Страница 25: ...Y ITEM PART NUMBER DESCRIPTION QTY 4 32622001 PILOT BRACKET ASSY 24V 1 THIS INCLUDES 5 2 SCREWS 5 3261401 PILOT SHIELD 1 6 MS 003 03 PILOTTUBE1 4 X20 1 2 AL 1 1 32623601 PILOT BRACKET ASSY SPARK 1 2 PB 011 01 PILOT SPARK Q381 NAT 1 PB 011 02 PILOT SPARK Q381 LP ITEM PART NUMBER DESCRIPTION QTY ITEM PART NUMBER DESCRIPTION QTY 3 HW 009 01 SCREWS 8 18X1 2 2 4 PB00702 PILOT IGNITION CABLE 30 1 5 MS 0...

Страница 26: ...MGB250 5 BURNER TUBE 1 3 4 MGB300 6 2 5611605 BASE W INSUL MGB250 1 5611606 BASE W INSUL MGB300 3 32621002 BURNER DOOR MGB250 1 32621003 BURNER DOOR MGB300 4 356 2 1 05 MANIFOLD MGB250 1 356 2 1 0 6 MANIFOLD MGB300 5 HW 005 01 SCREW 1 4 20X1 2 SELF TAP 4 6 VG00307 GAS VALVE VR8200H 24V LP 1 VG01103 GAS VALVE VR8304H4 SPARK NAT VG01104 GAS VALVE VR8304 SPARK LP VG01201 GAS VALVE VR8300H4 24V NAT 7 ...

Страница 27: ...ANEL TOP MGB250 1 3162806 PANEL TOP MGB300 2 3162704 PANEL LEFT 1 3 3162505 DRAFT DEFLECTOR MGB250 1 3162506 DRAFT DEFLECTOR MGB300 4 3161105 PNL LWR ACCES MGB250 1 3161106 PNL LWR ACCES MGB300 5 3161205 PANEL BASE MGB250 1 3161206 PANEL BASE MGB300 6 3162703 PANEL RIGHT MGB 1 7 3162605 PANEL REAR MGB250 1 3162606 PANEL REAR MGB300 8 3462105 FLUE COL MGB250 1 3462106 FLUE COL MGB300 9 1182008 DAMP...

Страница 28: ...CTION 1 2 100 2 1 01 B CENTER SECTION MGB250 5 B CENTER SECTION MGB300 6 3 100 2 3 02 B RIGHT SECTION MODU PAK 1 4 HW 011 07 TIE ROD 1 4X23 MGB250 1 HW 011 09 TIE ROD 1 4X27 MGB300 5 HW06901 NUT 5 16 18 WISLOCK 6 6 100 1 1 01 PUSH NIPPLE 3 MACH MAGB250 10 MAGB300 12 7 HW 008 01 WASH 5 16 FLAT STL ZP 4 8 HW 003 02 NUT 1 4 20 HEX STL ZP 2 FULLY ASSEMBLED HEAT EXCHANGERS 100 2 5 04 HEATEXCHANGER6SECT...

Страница 29: ... 37413602 HARNESS IGNITION TO GAS VALVE 1 6 PB00702 PILOT IGNITION CABLE 30 1 FOR SPARK ONLY 7 PB00604 PLT SPARK CTRL S8600M1013 HW 1 FOR SPARK ONLY 8 37413801 WIRE J BOX TO CONTROLS 27 1 9 272 1 3 00 HARNESS TRANSFOMER 30 1 10 AQ 008 00 CONTROL L4006 1827 HW 1 11 37519001 WIRE JUMPER TO TT 8 1 LOCATED UNDER TERM STRIP 12 37413001 WIRE TRANSFORMER BROWN 15 1 13 37413002 WIRE TRANSFORMER WHITE 15 1...

Страница 30: ...PTION QTY 1 PF 006 07 PIPE NPL 1 1 2X4 1 2 NPT 2 2 HW 016 03 DRAIN SHORT 1 3 PF 008 04 PIPE TEE 1 1 2X3 4X1 1 2 2 4 AQ 020 03 WELL 3 4 X1 1 2 1 5 GA 001 00 GAUGE THERALTIMETER 1 6 PF 004 13 PIPE BUSHING 3 4 X 1 4 1 7 VR 001 01 RELIEF VALVE 30 1 8 PF 005 11 PIPE NPL 3 4 X4 1 9 PF 002 04 PIPE ELBOW 3 4 90 1 ...

Страница 31: ...RACKET 1 3 AQ02101 CONTROL FIXED TEMPERATURE 1 THERMO ROLLOUT BLOCKED VENT SWITCH THE ROLLOUT SWITCH IS LOCATED ON THE BASE AND FLUE COLLECTOR NOTE THE QUANTITIES ABOVE ARE FOR EACH SWITCH THERE ARE 2 SWITCHES PER MODULE FIGURE 24 MAGB SERIES REPLACEMENT PARTS ROLLOUT SPILL SWITCH PAGE 30 ...

Страница 32: ...37518701 REV 5 September2002 Utica Boilers P O Box 4729 Utica NY 13504 Date of Installation Boiler Model Installed By ...

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