PB Heat MI/MIH series manual 2Manifold Manifold/Gas Train MI Standing Pilot

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REPAIR PARTS

Figure 11.2:Manifold

Table 11.2: Manifold/Gas Train (MI – Standing Pilot)

Item

Description

Part Selection

MI-03

MI-04

MI-05

MI-06

MI-07

MI-08

MI-09

No.

Information

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

Steel Burner

Specify quantity

51537

51537

51537

51537

51537

51537

51537

 

 

 

 

 

 

 

 

 

 

6

Steel Burner w/ Pilot Clip

1 per boiler

51263

51263

51263

51263

51263

51263

51263

 

 

 

 

 

 

 

 

 

 

7

Gas Manifold

 

50978

50979

50980

50981

50954

50955

50956

 

 

 

 

 

 

 

 

 

 

8

Orifice Spud, #48

Natural Gas, 0-2000 ft. (0-610 m)

50894

50894

50894

50894

 

 

 

elevation (specify qty)*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orifice Spud, #49

Natural Gas, 0-2000 ft. (0-610 m)

 

 

 

 

50895

50895

50895

 

elevation (specify qty)*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orifice Spud, #56

LP Gas, 0-2000 ft. (0-610 m)

50899

50899

50899

50899

 

 

 

 

elevation (specify qty)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Orifice Spud, #57

LP Gas, 0-2000 ft. (0-610 m)

 

 

 

 

50900

50900

50900

 

elevation (specify qty)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

Honeywell VR8200A2116 Gas Valve

Natural Gas

50581

50581

50581

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Honeywell VR8200C6040 Gas Valve

LP Gas

50221

50221

50221

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Honeywell VR8300A4003 Gas Valve

Natural Gas

 

 

 

50587

50587

50587

50587

 

 

 

 

 

 

 

 

 

 

 

Honeywell VR8300C4035 Gas Valve

LP Gas

 

 

 

91333

91333

91333

91333

 

 

 

 

 

 

 

 

 

 

10

Honeywell Q314A3505 Pilot

Natural Gas

51688

51688

51688

51688

51688

51688

51688

 

 

 

 

 

 

 

 

 

 

 

Honeywell Q314A3703 Pilot

LP Gas

50555

50555

50555

50555

50555

50555

50555

 

 

 

 

 

 

 

 

 

 

11

Johnson K16BA-24D Thermocouple

 

50838

50838

50838

50838

50838

50838

50838

 

 

 

 

 

 

 

 

 

 

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

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Contents Series MI/MIH Table of Contents Special Attention Boxes Using this ManualInstallation Sequence Clearance from Combustible Construction PreinstallationAccessibility Clearances AIR for Combustion and VentilationAir Openings All Air from Indoors on Different Floors Air Openings All Air from Outdoors through Vertical Ducts Installation Survey Planning the LayoutBoiler SET-UP Water Piping and Controls Boiler Supply and ReturnSafety Relief Valve Parallel Hook-Up with Water ChillerPiping for Zoned Systems Zone Piping with Zone ValvesFreeze Protection Expansion TankINDIRECT-FIRED Water Heater Integral Draft Hood Vent Damper Installation GeneralVenting Vent Piping and Chimney Venting with Vent Damper in Vertical PositionBoiler Removal from Common Venting System Seal any unused openings in the common venting systemGAS Piping Gas Connection to BoilerMIH Boiler Natural Gas Electrical Wiring ControlsZoned System Wiring Sequence of Operation Wiring and Connection Diagram Intermittent Ignition Intermittent Ignition System Operating Sequence Zone Wiring with Zone Valves START-UP Procedures Completing the InstallationValve Tapping and Adjustment Screw Locations Operating Instructions For Your Safety Read Before Lighting Control Descriptions Adjustment of GAS Pressure RegulatorAdjustment of Pilot GAS Flow CHECK-OUT Procedure Checking Burner InputSTART-UP Procedures Troubleshooting Troubleshooting GuidesProblem Possible Causes Corrective Actions Intermittent Ignition System Troubleshooting Sequence Maintenance Weekly with Boiler in USE GeneralDaily with Boiler in USE Monthly with Boiler in USEAnnually Before Start of Heating Season Standing Pilot and Main Burner FlameBoiler Dimensions & Ratings Series MI/MIH Boiler DimensionsRepair Parts Repair Parts Series MI/MIH GAS Boiler2Manifold Manifold/Gas Train MI Standing Pilot 3b Gas Valve and Pilot Intermittent 4Block/Draft Hood 4a Block/Draft Hood 5Jacket 6Controls/Circulator/Vent Damper Series MI/MIH

MI/MIH series specifications

The PB Heat MI/MIH series represents a significant advancement in the realm of cast iron boilers, engineered for high efficiency and reliable performance in both residential and light commercial applications. Crafted with exceptional care, these boilers combine traditional design elements with modern technologies to optimize heating capabilities.

A standout feature of the MI/MIH series is its construction. Made from high-quality cast iron, the boiler body is built to withstand the test of time while providing superior heat retention. This material ensures consistent heating over extended periods, reducing the need for frequent cycling on and off, which enhances overall efficiency.

The MI/MIH series incorporates a versatile design that accommodates various heating systems, including hot water heating and steam applications. This flexibility is a key selling point, as it allows homeowners and business operators to tailor their heating solutions to specific needs. Additionally, the units are compatible with multiple fuels, including oil and natural gas, making them a practical option for diverse environments.

Efficiency is another critical component of the MI/MIH series. The boilers are designed to operate at high efficiency levels, often surpassing industry standards. Many models in this series feature advanced combustion technology that maximizes fuel use while minimizing emissions. This not only supports environmental sustainability but also results in lower utility bills for consumers.

The MIH variant, specifically, offers additional features like an integrated secondary heat exchanger, which enhances heat transfer and further improves efficiency. Maintenance is made simple, thanks to thoughtful engineering. With large clean-out ports and easily accessible components, routine maintenance can be performed with ease, reducing downtime and extending the boiler's lifecycle.

Moreover, safety is a fundamental aspect of the MI/MIH series. These boilers include multiple safety features, such as automatic safety shutdown systems and built-in pressure controls, ensuring safe operation under various conditions.

In summary, the PB Heat MI/MIH series cast iron boilers stand out due to their durability, versatility, high efficiency, and robust safety features. These models cater to a range of heating requirements, making them a reliable choice for those seeking long-term heating solutions that prioritize both performance and sustainability. As homeowners and businesses look for dependable and efficient heating options, the MI/MIH series remains a prominent player in the industry.