PB Heat MI User Manual

MI/MIHBoilersSeriesGasInstallation,Operation &MaintenanceManual

86. Install this boiler so that the gas ignition systemcomponents are protected from water (dripping,spraying, etc.) during appliance operation andser

9C. PIPING FOR ZONED SYSTEMS1. See Figures 3.5 and 3.6 for basic zoned systemlayouts.2. Run each zone pipe down then up to zone toprevent air accumula

10D. EXPANSION TANK1. Consult the tank manufacturer’s instructions forspecific information relating to tank installation. Sizethe expansion tank for t

11A. INTEGRAL DRAFT HOOD1. The MI/MIH boiler is equipped with a built-in drafthood. This device is designed to:a. provide for the ready escape of flue

12Figure 4.2: Venting with Vent Damper in Vertical PositionFigure 4.3: Venting with Vent Damper in Horizontal PositionC. VENT PIPING AND CHIMNEY1. Ins

D. BOILER REMOVAL FROM COMMONVENTING SYSTEMAt the time of removal of an existing boiler, follow thesesteps with each appliance remaining connected to

141. Size and install the gas supply piping properly inorder to provide a supply of gas sufficient to meetthe maximum demand without undue loss ofpres

15Table 5.4: Pipe CapacityCapacity of pipe of different diameters and lengths in cubic feetper hour [cubic meter per hour] with a pressure drop of 0.3

A. WIRING1. See Figure 6.1 for location of wiring and controls.Use Figures 6.2 and 6.3 to connect the boiler to apower supply and to connect component

17D. SEQUENCE OF OPERATION1. Standing Pilot (See Figure 6.2 above)a. The vent damper is continuously powered. On acall for heat, limit relay R is ener

USING THIS MANUAL 1A. INSTALLATION SEQUENCE . . . . . . . . . . . . .1B. SPECIAL ATTENTION BOXES . . . . . . . . . . . .11. PREINSTALLATION 2A. ACCE

18ELECTRICAL2. Intermittent Ignition (see Figure 6.3 above)a. The vent damper is continuously powered. On acall for heat, limit relay R is energized,

19Figure 6.4: Intermittent Ignition System Operating SequenceELECTRICAL

ELECTRICALFigure 6.5: Zone Wiring with Zone ValvesFigure 6.6: Zone Wiring with Circulators20

A. COMPLETING THE INSTALLATION1. Confirm that all water, gas and electricity areturned off.2. Inspect the boiler combustion chamber for foreignobjects

22Figure 7.1: Gas Valve, Manifold and Burner Assembly – Standing Pilot (Continuous Ignition)Figure 7.2: Gas Valve, Manifold and Burner Assembly – Inte

23START-UP PROCEDURESFigure 7.4: Operating Instructions

24Figure 7.5: Lighting InstructionsSTART-UP PROCEDURESH24V VR8200/VR8300 9177R If you cannot reach your gas supplier, call the fire department.C

B. CONTROL DESCRIPTIONSSee Figure 6.1 in Section 6 (Electrical) for locations ofthese devices.1. FLAME ROLL-OUT SAFETY SHUT-OFF SWITCH(FLAME ROLL-OUT

26E. CHECKING BURNER INPUT1. Refer to rating label mounted on the jacket top panelto obtain the rated BTU per hour input. In no caseshall the input to

27b. Intermittent Ignition System:i) Turn gas supply off.ii) Set thermostat or controller above roomtemperature to call for heat. Watch for igniterglo

1A. INSTALLATION SEQUENCEFollow the installation instructions provided in thismanual in the order shown. The order of theseinstructions has been set i

A. SHUT-DOWN CAUSED BY PILOT OUTAGE, BLOCKED VENT SHUT-OFFSWITCH OR FLAME ROLL-OUT SAFETY SHUT-OFF SWITCHIn the event of a shut-down caused by a pilo

29TROUBLESHOOTINGTable 8.1: Boiler Troubleshooting GuidePROBLEM POSSIBLE CAUSES CORRECTIVE ACTIONS1. No power.2. Limit (Aquastat) not working.3. Flame

30Figure 8.1: Intermittent Ignition System Troubleshooting SequenceTROUBLESHOOTING

31MAINTENANCE9. MAINTENANCEWARNINGProduct Safety InformationRefractory Ceramic Fiber ProductThis appliance contains materials made from refractory cer

A. GENERAL1. Disconnect this boiler from the gas supply pipingduring any pressure testing of the gas system.2. Check pipes adjacent to cold walls or

33E. ANNUALLY (BEFORE START OF HEATINGSEASON)1. Check flueways and burners for cleanliness and cleanif necessary. Use the following procedure if clean

BOILER DIMENSIONS & RATINGS10. BOILER DIMENSIONS & RATINGSTable 10.2: Series MI/MIH Boiler Ratings1 Net I=B=R water ratings based on an allowa

35REPAIR PARTSREPAIR PARTSSERIES MI/MIH GAS BOILERRepair parts are available from your installer or by contacting PB Heat, LLC, NewBerlinville, PA 195

REPAIR PARTS36Table 11.2: Manifold/Gas Train (MI – Standing Pilot)*For elevations over 2,000 feet above sea level contact PB Heat, LLC.ItemNo.Descript

*For elevations over 2,000 feet above sea level contact PB Heat, LLC.*For elevations over 2,000 feet above sea level contact PB Heat, LLC.37REPAIR PAR

2A. ACCESSIBILITY CLEARANCESInstall boiler not less than 24″ (610 mm) between theleft side, top, and front of the boiler and adjacent wall orother app

REPAIR PARTS38Figure 11.4:Block/Draft HoodTable 11.4a: Block/Draft Hood121314Block AssemblyFlue Collector/Draft HoodFlue Collector Blanket SealItemNo.

39REPAIR PARTSFigure 11.5:JacketTable 11.5: JacketItemNo.DescriptionPart SelectionInformationMI/MIH-03MI/MIH-04MI/MIH-05MI/MIH-06MI-07 MI-08 MI-0916 J

REPAIR PARTSTable 11.6: Controls/Circulator/Vent Damper40Figure 11.6:Controls/Circulator/Vent DamperItemNo.DescriptionMI/MIH-03MI/MIH-04MI/MIH-05MI/MI

MI/MIHBoilersSeriesGasInstallation,Operation &MaintenanceManualTO THE INSTALLER:This manual is the property of the owner and mustbe affixed near t

3where:Iother= Input of appliances other than fanassisted in Btu/hrACH = air change per hour (percent of thevolume of the space exchanged perhour, exp

4ii. Where communicating with the outdoorsthrough horizontal ducts, each opening shallhave a minimum free area of 1 in2per 2000Btu/hr (22 cm2per 2000

5c. Each of the appliances served shall beinterlocked to the mechanical air supply toprevent main burner operation when themechanical air supply syste

6BOILER SET-UP1. Provide a sound, level foundation. Locate boiler asnear to the chimney or outside wall as possible andcentralized with respect to the

7A. BOILER SUPPLY AND RETURN1. Size the supply and return to suit the system. Atypical piping arrangement is shown in Figure 3.1.Refer also to the I=B