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UTICA BOILERS Gas-fired Boiler Operating Instructions Manual Download Page 26

MGB SERIES REPLA

MGB SERIES REPLA

MGB SERIES REPLA

MGB SERIES REPLA

MGB SERIES REPLACEMENT P

CEMENT P

CEMENT P

CEMENT P

CEMENT PAR

AR

AR

AR

ARTS

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"

2

2

37413602

HARNESS IGN TO G/V 18"

1

3

PB00702

PILOT IGNITION CABLE 30"

1

4

PF-006.07

PIPE - NPL 1.1/4X4.1/2 NPT

1

5

HW-016.03

DRAIN - SHORT

1

6

PF-008.03

PIPE - TEE 1.1/4X3/4X1.1/4

1

7

PF-006.01

PIPE - 1.1/4" CLOSE NPL

1

8

375-1-14.01

WIRE LOW VOLTAGE/DAMPER

1

9

37519501

HARNESS CIRCULATOR 72"

1

10

1010002

CONTROL L8148E1257 (AQUASTAT)

1

11

VR-001.01

RELIEF VALVE 30#

1

12

AQ-020.01

WELL 3/4"X3"

1

13

GA-001.00

GAUGE - THERALTIMETER

1

14

PF-005.11

PIPE - NPL 3/4"X4"

1

15

PF-002.04

PIPE - ELBOW 3/4" 90°

1

16

EF03601

CLAMP #3600 WHITE

2

17

PB00604

PLT SPARK CTRL S8600

1

Summary of Contents for Gas-fired Boiler

Page 1: ... TION MANU TION MANUAL AL AL AL AL AND OPERA AND OPERA AND OPERA AND OPERA AND OPERATING INSTR TING INSTR TING INSTR TING INSTR TING INSTRUCTIONS UCTIONS UCTIONS UCTIONS UCTIONS MGB MGB MGB MGB MGB GAS FIRED BOILERS FOR FORCED HOT WATER Utica Boilers P O Box 4729 Utica NY 13504 ...

Page 2: ...lectrical Wiring Page 13 ThermostatInstallation Page 13 LightingInstructions Pages 13 16 Normal Sequence of Operation Page 16 GeneralInstructions Pages 17 19 Checking Gas Input Rate to Boiler Pages 19 20 Replacement Parts Lists Pages 20 25 Ratings and Data Page 26 Dimensions Page 27 KEEP THIS MANUAL NEAR BOILER RETAINFORFUTUREREFERENCE SERIES MGB CAST IRON GAS FIRED BOILERS INSTALLATION MANUAL AND...

Page 3: ...NS OF BOILERS AND ALL INSTALLATIONS OF BOILERS AND ALL INSTALLATIONS OF BOILERS AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND IN ACCORDANCE WITH THE APPROPRIATE UTICA BOILE...

Page 4: ...d in the United States In Canada refer to the CAN1 B149 1 and or B149 2 Installation Codes for Gas Burning Equipment Also refer to applicable provisions of the local building codes 4 This boiler has met safe lighting and other performance criteria with the gas manifold and control assembly on the boiler per the latest revision of ANSI Z21 13 CGA 4 9 5 Theboilershallbeinstalledsuchthatthegasignitio...

Page 5: ...ed area A space whose volume is not less than 50 cubic feet per 1000 BTU per hour of all appliances installed in that space cubic feet of space height x width x length Confined area A space whose volume is less than 50 cubic feet per 1000 BTU per hour of all appliances installed in that space cubic feet of space height x width x length 1 Ventilation of the boiler room must be adequate to provide s...

Page 6: ...permanent openings according to methods A or B When ducts are used they shall be of the same cross sectional area as the free area of the area of the openings to which they connect The minimum dimension of rectangular air ducts shall be not less than 3 x 3 inches or 9 square inches A Wheninstallingtwoopenings onemustcommencewithin12inchesfromthetopand theotherwithin12inchesfromthebottomoftheenclos...

Page 7: ...in the open position or interlocked with the boiler so they are opened automatically during the boiler operation CONNECTING SUPPL CONNECTING SUPPL CONNECTING SUPPL CONNECTING SUPPL CONNECTING SUPPLY Y Y Y Y AND RETURN PIPING AND RETURN PIPING AND RETURN PIPING AND RETURN PIPING AND RETURN PIPING IMPORTANT Circulators in the following illustrations are mounted on the system supply side but mounting...

Page 8: ...conditionoftheinstallation Thismethodofpiping however is not typically required for baseboard heating systems Typical installations where bypass piping is used are as follows A This method is used to protect boilersfromcondensationformingduetolow temperaturereturnwater Generallynoticedin largeconvertedgravitysystemsorotherlarge water volume systems See figure 6 above B These methods are used to pr...

Page 9: ...lators 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 FIGURE9 FIGURE8 PRIMARY SECONDARY PIPING WITH BY PASS ...

Page 10: ...LLATIONS OF BOILERS AND ALL INSTALLATIONS OF BOILERS AND ALL INSTALLATIONS OF BOILERS AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND VENTING SHOULD BE DONE ONLY BY A QUALIFIED EXPERT AND IN ACCORDANCE WITH THE APPROPRIATE UTICA...

Page 11: ...een the space in which the appliances remaining connected to the common venting system are located and other spaces of the 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 Placeinoperation...

Page 12: ...knut onto Damper wire harness connector 6 Plug Damper connector into socket on Damper Motor frame 7 Replace Damper Motor cover 8 Wire Damper in accordance with figure 11below INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS INSTRUCTIONS 1 Ensure that only the boiler is serviced by the Vent Damper See Figure 12 above 2 Clearance of not less than 6 inches between Vent Damper and combustible mater...

Page 13: ...te size to prevent undue pressure drop and never smaller than the pipe size of the main gas control valve See chart below 3 To check for leaks in gas piping 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...

Page 14: ...ENT CODING ElectricalwiringmustconformwiththeNationalElectricalCode ANSI NFPANo 70 1990 when installed in the United states the CSA C22 1 Canadian Electrical Code Part 1 when installed in Canada and or the local authority having jurisdiction WARNING WARNING WARNING WARNING WARNING 1 When an external electrical source is utilized the boiler when installed MUST BE MUST BE MUST BE MUST BE MUST BE ele...

Page 15: ...qualified service technician Force or attempted repair may result in a fire or explosion D Donotusethisapplianceifanyparthasbeenunderwater Immediatelycallaqualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERA OPERA OPERA OPERA OPERATING INSTR TING INSTR TING INSTR TING INSTR TING INSTRUCTIONS FOR UCT...

Page 16: ...a fire or explosion E Donotusethisapplianceifanyparthasbeenunderwater Immediatelycallaqualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS FOR LIGHTING INSTRUCTIONS FOR LIGHTING INSTRUCTIONS FOR LIGHTING INSTRUCTIONS FOR LIGHTING INSTRUCTIONS FOR CONTINUOUS PIL CONTINUOUS PIL CONTINU...

Page 17: ...FORCE NOT FORCE NOT FORCE NOT FORCE NOT FORCE 5 Call a qualified service technician NORMAL SEQ NORMAL SEQ NORMAL SEQ NORMAL SEQ NORMAL SEQUENCE OF OPERA UENCE OF OPERA UENCE OF OPERA UENCE OF OPERA UENCE OF OPERATION TION TION TION TION On a call for heat the thermostat will actuate completing the circuit to the aquastat The completed circuit to the aquastat will first activate the circulator and ...

Page 18: ...ators like the one pictured in figure 17 below require periodic servicing The motorusuallyhasopeningsateachendtolubricatethebearings Putaboutonehalfteaspoon of SAE 20 or 30 non detergent motor oil in each opening twice a year CAUTION DO NOT OVER OIL Manycirculatorshaveanoilopeningfortheshaftbearing Thisshouldbeoiledatthesame time for quiet operation Follow the manufacturer s instructions for oilin...

Page 19: ... of the boiler puttyorsiliconeusedtosealbetweenthecastingsandfluecollector Makecertainthatchips are not lodged in the flue passageways When the cleaning process is complete restore the boiler components to their original position Use boiler putty or IS 808 GE silicone available from a Utica Boilers distributor to seal around the flue collector and boiler castings A visual check of the main burner ...

Page 20: ...igures 14 15 16 on pages 14 15 and turning the screw clockwise to increase input and counterclockwise to decrease input Natural gas manifold pressure should be set at approximately 3 5 inches water column Propane gas manifoldpressureshouldbesetatapproximately11 0incheswatercolumn Thesemanifold pressures are taken at the outlet side of the gas valve See figures15 17 on pages14 15 To check for prope...

Page 21: ... boiler water temperature exceeds the control temperature setting the control will open the circuit closing the automatic main gas valve ITEM PART NO NO DESCRIPTION OTY 1 3262001 TEMP SENSOR BRACKET 1 2 AQ02101 CONTROL FIXEDTEMPERATURE 1 THERMO ROLLOUT SWITCH 3 HW06501 SCREW 6 X1 4 HEX HD 2 THE ROLLOUT SWITCH IS LOCATED ON THE BASE AND FLUE COLLECTOR NOTE THE QUANTITIES ABOVE ARE FOR EACH SWITCH F...

Page 22: ... NAT 1 PB 011 04 PILOT STDG Q380 LP ITEM PART NUMBER DESCRIPTION OTY ITEM PART NUMBER DESCRIPTION OTY 4 32622001 PILOT BRACKET ASSY 24V 1 THIS INCLUDES 5 2 SCREWS 5 3261401 PILOTSHIELD 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 OTY ITEM PART NUMBER DESCRIPTION OTY 3 HW 0...

Page 23: ...3 BURNERDOORMGB300 4 356 2 1 01 MANIFOLDMGB50 1 356 2 1 02 MANIFOLDMGB75 100 356 2 1 03 MANIFOLDMGB125 150 356 2 1 04 MANIFOLDMGB175 200 356 2 1 05 MANIFOLDMGB225 250 356 2 1 0 6 MANIFOLDMGB275 300 5 HW 005 01 SCREW 1 4 20X1 2 SELF TAP 4 ITEM PART NUMBER DESCRIPTION OTY ITEM PART NUMBER DESCRIPTION OTY 6 VG 003 05 GASVALVEVR8200H 1 MGB50 15024VNAT VG00307 GASVALVEVR8200H MGB50 30024VLP VG01101 GAS...

Page 24: ...LLWRACCESMGB275 300 5 3161201 PANEL BASEMGB50 1 3161202 PANEL BASE MGB75 100 3161203 PANEL BASE MGB125 150 3161204 PANEL MGB175 200 3161205 PANEL BASEMGB225 250 3161206 PANEL BASE MGB275 300 ITEM PART NUMBER DESCRIPTION OTY ITEM PART NUMBER DESCRIPTION OTY 6 3162705 PANEL RIGHTMGB50 200 1 3162703 PANEL RIGHTMGB225 300 7 3162601 PANEL REARMGB50 1 3162602 PANEL REAR MGB75 100 3162603 PANEL REAR MGB1...

Page 25: ...MGB75 100 2 HW 011 03 TIE ROD 1 4X15 1 2 MGB125 150 HW 011 05 TIE ROD 1 4X19 1 2 MGB175 200 HW 011 07 TIE ROD 1 4X23 MGB225 250 HW 011 09 TIE ROD 1 4X27 MGB275 300 5 HW06901 NUT5 16 18WISLOCK 6 6 43300976 PUSHNIPPLE2 MACH MGB50 2 MGB75 4 MGB100 4 MGB125 6 MGB150 6 MGB175 8 MGB200 8 MGB225 10 MGB250 10 MGB275 12 MGB300 12 7 3461601 BAFFLE USED ON MGB75 MGB175 ONLY MGB75 4 2perflueway MGB175 4 1 per...

Page 26: ...RNESS IGN TO G V 18 1 3 PB00702 PILOT IGNITION CABLE 30 1 4 PF 006 07 PIPE NPL 1 1 4X4 1 2 NPT 1 5 HW 016 03 DRAIN SHORT 1 6 PF 008 03 PIPE TEE 1 1 4X3 4X1 1 4 1 7 PF 006 01 PIPE 1 1 4 CLOSE NPL 1 8 375 1 14 01 WIRELOWVOLTAGE DAMPER 1 9 37519501 HARNESSCIRCULATOR72 1 10 1010002 CONTROLL8148E1257 AQUASTAT 1 11 VR 001 01 RELIEF VALVE 30 1 12 AQ 020 01 WELL 3 4 X3 1 13 GA 001 00 GAUGE THERALTIMETER 1...

Page 27: ...on24VoltGasControl includes automaticgasvalve gaspressureregulator automaticpilot safetyshutoff pilotflowadjustment pilotfilter A S M E Relief Valve Drain Cock Spill Switch Rollout Switch Automatic Vent damper Not shown are a wiring harness thermocouple and non linting safety pilot OPTIONAL EQUIPMENT Intermittent Electric Ignition Pilot System EXPLANATORYNOTES All boilers are design certified for ...

Page 28: ...3 4 38 3 4 7 1 1 4 MGB 200 1 2 22 3 4 11 3 8 8 30 3 4 38 3 4 8 1 1 4 MGB 250 3 4 265 8 13 1 4 8 32 3 4 40 3 4 8 1 1 4 MGB 300 3 4 30 1 2 15 1 4 9 32 3 4 42 3 4 10 1 1 4 MGB SERIES MGB SERIES MGB SERIES MGB SERIES MGB SERIES DIMENSIONS FOR N DIMENSIONS FOR N DIMENSIONS FOR N DIMENSIONS FOR N DIMENSIONS FOR NA A A A ATURAL GAS TURAL GAS TURAL GAS TURAL GAS TURAL GAS AND PR AND PR AND PR AND PR AND P...

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