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Summary of Contents for PeerlessBoilers MI
- Page 1 Series MI/MIH Boilers I n s t a l l a t i o n , O p e r a t i o n & M a i n t e n a n c e M a n u a l...
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Page 2: Table Of Contents
A. GENERAL ......32 B. DAILY (WITH BOILER IN USE) ...32 C. -
Page 3: Using This Manual
Throughout this manual you will see special attention boxes intended to supplement the instructions and make special notice of potential hazards. These categories mean, in the judgment of PB Heat, LLC.: USING THIS MANUAL DANGER Indicates a condition or hazard which will cause severe personal injury, death or major property damage. -
Page 4: Preinstallation
This boiler must be installed by a qualified contractor. The boiler warranty can be voided if the boiler is not installed, maintained and serviced correctly. The equipment must be installed in accordance with those installation requirements of the authority having jurisdiction or, in the absence of such requirements, to the current edition of the National Fuel Gas Code , ANSI Z223.1/NFPA 54 and/or CAN/CSA B149.1, Natural Gas and Propane Installation Code . - Page 5 where: = Input of appliances other than fan other assisted in Btu/hr ACH = air change per hour (percent of the volume of the space exchanged per hour, expressed as a decimal) For fan assisted appliances, calculate the required volume of air using the following equation: Required Volume = Input of the fan assisted appliances in Btu/hr...
- Page 6 PREINSTALLATION Figure 1.4: Air Openings – All Air from Outdoors through Vertical Ducts ii. Where communicating with the outdoors through horizontal ducts, each opening shall have a minimum free area of 1 in Btu/hr (22 cm per 2000 W) of total rated input for all appliances in the space.
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Page 7: Installation Survey
INSTALLATION SURVEY For new and existing installations, a Water Installation Survey is available from PB Heat, LLC. The survey will provide information on how a hot water boiler works with your specific system and will provide an overview of hot water system operation in general. -
Page 8: Boiler Set-Up
4. Separate the wood shipping pallet from the boiler base by removing two (2) hold-down bolts at each end of the boiler base. 5. Move boiler into final position. If using combustible floor pan, install boiler on pan as outlined in the instructions included with the pan. -
Page 9: Water Piping And Controls
4. When system return water temperature will be below 130°F (54°C), pipe the boiler with a bypass arrangement to blend the system return and hot supply to obtain at least 130°F (54°C) entering the boiler. For more information on bypass piping, consult the PB Heat Water Survey. -
Page 10: Safety Relief Valve
WATER PIPING AND CONTROLS 6. Install this boiler so that the gas ignition system components are protected from water (dripping, spraying, etc.) during appliance operation and service (circulator replacement, condensate trap, control replacements, etc.). 7. If this boiler and distribution system is used in... -
Page 11: Piping For Zoned Systems
C. PIPING FOR ZONED SYSTEMS 1. See Figures 3.5 and 3.6 for basic zoned system layouts. 2. Run each zone pipe down then up to zone to prevent air accumulation in piping. 3. If required, provide means to isolate and drain each zone separately. -
Page 12: Expansion Tank
32°F (0°C) to 180°F (82°C), while water expands 3% with the same temperature rise. Allowance must be made for this expansion in system design. 4. For more information, consult the PB Heat Water Installation Survey and the glycol manufacturer. -
Page 13: Venting
4. VENTING A. INTEGRAL DRAFT HOOD 1. The MI/MIH boiler is equipped with a built-in draft hood. This device is designed to: a. provide for the ready escape of flue gases from the boiler in the event of no draft. -
Page 14: Vent Piping And Chimney
VENTING C. VENT PIPING AND CHIMNEY 1. Install vent piping in accordance with Venting of Equipment part of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, sections 7.2, 7.3 or 7.4 of CAN/CSA B149.1, Natural Gas and Propane Installation Code, or applicable provisions of the local building codes. -
Page 15: Boiler Removal From Common Venting System
D. BOILER REMOVAL FROM COMMON VENTING SYSTEM At the time of removal of an existing boiler, follow these steps with each appliance remaining connected to the common venting system placed in operation, while the other appliances remaining connected to the common venting system are not in operation: a. -
Page 16: Gas Piping
2. Determine the volume of gas to be provided to the boiler in cubic feet per hour. To obtain this value, divide the Btu per hour rating (on the boiler rating plate) by the heating value of the gas in Btu per cubic feet. - Page 17 Table 5.1: MI Boiler – Natural Gas Input Model Cubic Feet / Hour Cubic Meters / Hour MI-03 MI-04 MI-05 MI-06 MI-07 MI-08 227.5 MI-09 Table 5.2: MI Boiler – LP Gas Input Model Cubic Feet / Hour Cubic Meters / Hour...
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Page 18: Electrical
Code , ANSI/NFPA 70 and/or the Canadian Electrical Code , Part 1 CSA C22.1, Electrical Code. A. WIRING 1. See Figure 6.1 for location of wiring and controls. Use Figures 6.2 and 6.3 to connect the boiler to a power supply and to connect components to the boiler. -
Page 19: Sequence Of Operation
Figure 6.2: Wiring and Connection Diagram – Standing Pilot (Continuous Ignition) D. SEQUENCE OF OPERATION 1. Standing Pilot (See Figure 6.2 above) a. The vent damper is continuously powered. On a call for heat, limit relay R is energized, which energizes: the circulator (when used) through contact ●... - Page 20 ELECTRICAL Figure 6.3: Wiring and Connection Diagram – Intermittent Ignition 2. Intermittent Ignition (see Figure 6.3 above) a. The vent damper is continuously powered. On a call for heat, limit relay R is energized, which energizes: the circulator (when used) through contact ●...
- Page 21 ELECTRICAL Figure 6.4: Intermittent Ignition System Operating Sequence...
- Page 22 ELECTRICAL Figure 6.5: Zone Wiring with Zone Valves Figure 6.6: Zone Wiring with Circulators...
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Page 23: Start-Up Procedures
(gas manifold). Use the 1/8 NPT tapping provided. 9. Confirm that the gas supply pressure to the boiler is above the minimum and below the maximum values for the gas being used. See the end of Section 5 for these values. - Page 24 START-UP PROCEDURES Figure 7.1: Gas Valve, Manifold and Burner Assembly – Standing Pilot (Continuous Ignition) Figure 7.2: Gas Valve, Manifold and Burner Assembly – Intermittent Ignition Figure 7.3: Valve Tapping and Adjustment Screw Locations...
- Page 25 START-UP PROCEDURES Figure 7.4: Operating Instructions...
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Page 26: Lighting Instructions
START-UP PROCEDURES FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. A. This appliance has a pilot which must be lighted by hand. -
Page 27: Control Descriptions
OR HOT WATER BOILERS INSTALLED ABOVE RADIATION LEVEL) – A level-sensing device (float or probe) located in supply piping near the boiler. If water level in the system drops below the control’s position, it will shut down main burner gas. The control will automatically reset once the water level rises above its position. -
Page 28: Checking Burner Input
2. Check input by use of the following formulas (PB Heat, LLC suggests reading meter for 2 Cu. Ft.): U.S. Customary Units Input (BTU/Hr.)= 3600 x F x H Where: 3600 –... - Page 29 6. Do not allow the system controls to subject the boiler to excessively low water temperatures, which would cause condensation of flue gases and corrosion of the boiler.
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Page 30: Troubleshooting
Do not use this appliance if any part has been under water. Improper or dangerous operation may result. Immediately call a qualified service technician to inspect the boiler and to replace any part of the control system and any gas control which has been under water. - Page 31 2. Reset aquastat to higher setting. 3. Vent air from all points in system. 4. Check circulator, replace if necessary. 5. Shut down and cool boiler, drain and flush system. 6. Adjust heat anticipator. 1. Locate and repair or replace.
- Page 32 TROUBLESHOOTING Figure 8.1: Intermittent Ignition System Troubleshooting Sequence...
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Page 33: Maintenance
MAINTENANCE 9. MAINTENANCE WARNING Product Safety Information Refractory Ceramic Fiber Product This appliance contains materials made from refractory ceramic fibers (RCF). Airborne RCF, when inhaled, have been classified by the International Agency for Research on Cancer (IARC), as a possible carcinogen to humans. After the RCF materials have been exposed to temperatures above 1800°F (980°C), they can change into crystalline silica, which has been classified by the IARC as carcinogenic to humans. -
Page 34: General
4. Test limit as described in Section 7F, “Check-Out Procedure.” 5. Test function of gas safety shut-off features as described by gas valve and ignition control manufacturer. 6. Cycle the boiler at least once and check operation of the vent damper. -
Page 35: Annually (Before Start Of Heating Season)
Refer to the Lighting/Operating Instructions in Figures 7.4 and 7.5 to properly turn off the gas to the boiler. b. Turn off all electrical power to the boiler. c. Remove burners and brush orifice spuds lightly using a soft bristle brush. -
Page 36: Boiler Dimensions & Ratings
MI-09 1 Net I=B=R water ratings based on an allowance of 1.15. 2 Consult factory before selecting a boiler for installations having unusual piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc. 3 Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) ratings are based on U.S. Government test. -
Page 37: Repair Parts
11. REPAIR PARTS SERIES MI/MIH GAS BOILER Repair parts are available from your installer or by contacting PB Heat, LLC, New Berlinville, PA 19545-0447. Use the figures and tables on pages 34-40 to assist in ordering parts. Note: Remember to include boiler model number and serial number when ordering parts. -
Page 38: Manifold/Gas Train
Honeywell VR8300A4003 Gas Valve Honeywell VR8300C4035 Gas Valve Honeywell Q314A3505 Pilot Honeywell Q314A3703 Pilot Johnson K16BA-24D Thermocouple *For elevations over 2,000 feet above sea level contact PB Heat, LLC. Part Selection MI-03 MI-04 MI-05 MI-06 MI-07 MI-08 MI-09 Information Specify quantity... - Page 39 Honeywell SV9501M2064 Gas Valve Honeywell SV9601M4167 Gas Valve Honeywell SV9601M4225 Gas Valve Honeywell Q3480B1025 Pilot Honeywell Q3480B1033 Pilot *For elevations over 2,000 feet above sea level contact PB Heat, LLC. Table 11.3b: Manifold/Gas Train (MIH – Intermittent Ignition) Item Description...
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Page 40: Block/Draft Hood
Block Assembly Flue Collector/Draft Hood Flue Collector Blanket Seal Table 11.4b: Flue Baffles for MIH Only Item Description Flue Baffle - 4″ Flue Baffle - 8″ Part Selection MI/MIH MI/MIH Information 90419 90420 90510 90511 Specify length 50866 50866 Part Selection... -
Page 41: Jacket
Jacket Assembly *Complete Jacket Consists of: Left Side Panel Right Side Panel Rear Panel Top Upper Front Panel Inner Front Baffle Panel Removable Front Panel Part Selection MI/MIH MI/MIH Information Complete jacket* with 90445 90446 insulation and screws REPAIR PARTS MI/MIH... -
Page 42: Controls/Circulator/Vent Damper
Safety Relief Valve, 30 psi*, Conbraco 10-408-05 Safety Relief Valve, 50 psi*, Watts #350 Flame Roll-Out Safety Shut-Off Switch Blocked Vent Shut-Off (Spill) Switch – MI Only Blocked Vent Shut-Off (Spill) Switch – MIH Only Vent Damper *Available from distributor... - Page 43 Series HI Division of gama PB HEAT, LLC PO BOX 447 • NEW BERLINVILLE, PA 19545-0447 ©2005 MI/MIH Boilers I n s t a l l a t i o n , O p e r a t i o n &...
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