USING THIS MANUAL USING THIS MANUAL ⚠ DANGER A. INSTALLATION SEQUENCE Follow the installation instructions provided in this Indicates a hazardous situation, which, if not avoided, manual in the order shown. The order of these will result in death or serious injury and major instructions has been set in order to provide the installer property damage.
PREINSTALLATION 1. PREINSTALLATION WARNING This manual is intended for use by Qualified Heating Professionals only. Installation, service, or adjustment of this heating appliance by anyone other than a Qualified Heating Professional can cause significant property damage, personal injury, or death. Read carefully, study these instructions before beginning work.
PREINSTALLATION C. AIR FOR COMBUSTION & 3. Indoor Air Opening Size and Location: Openings connecting indoor spaces shall be sized and located VENTILATION as follows: 1. Adequate combustion air and ventilation air must a. Combining spaces on the same floor: be provided for this appliance in accordance with Provide two permanent openings communicating the section of the National Fuel Gas Code entitled,...
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PREINSTALLATION 4. Outdoor Combustion Air: Outdoor combustion air ii. Where communicating with the outdoors is to be provided through one or two permanent through horizontal ducts, each opening shall openings. The minimum dimension of these air have a minimum free area of 1 in per 2000 openings is 3 inches (76 mm).
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PREINSTALLATION 5. Combination Indoor and Outdoor Combustion Air: ii. Where the free area through a louver or grille If the required volume of indoor air exceeds the is not known, it shall be assumed that wooden available indoor air volume, outdoor air openings louvers will have 25% free area and metal or ducts may be used to supplement the available louvers and grilles will have 75% free area.
PREINSTALLATION D. INSTALLATION SURVEY F. BOILER WATER TREATMENT For new and existing installations, a Water Installation If the boiler water quality is outside the criteria shown Survey is available from PB Heat, LLC. The survey will below, consult a qualified water treatment specialist to provide information on how a hot water boiler works bring the water quality within the criteria shown.
BOILER SET-UP 2. BOILER SET-UP 1. Provide a sound, level foundation. Locate boiler as 4. Separate the wood shipping pallet from the boiler near to the chimney or outside wall as possible and base by removing two (2) hold-down bolts at each centralized with respect to the heating system.
WATER PIPING & CONTROLS 3. WATER PIPING & CONTROLS A. BOILER SUPPLY & RETURN 3. Supply Piping: Pipe the supply to the 1-1/2 NPT supply tapping at 1. Size the supply and return to suit the system. A the top and rear of the boiler. typical piping arrangement is shown in Figure WARNING 3.1.
5. Install this boiler so that the gas ignition system components are protected from water (dripping, WATER PIPING & CONTROLS spraying, etc.) during appliance operation and service (circulator replacement, condensate trap, control replacements, etc.). CHECK VALVE SUPPLY LINE BOILER 6. If this boiler and distribution system is used in conjunction with a refrigeration system, pipe the chilled medium in parallel with the boiler and install the proper valve to prevent the chilled medium from...
WATER PIPING & CONTROLS D. 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.
WATER PIPING & CONTROLS E. EXPANSION TANK G. FREEZE PROTECTION For new or existing systems that must be freeze- 1. Consult the tank manufacturer’s instructions for protected: specific information relating to tank installation. Size the expansion tank for the required system volume WARNING and capacity.
VENTING 4. VENTING A. INTEGRAL DRAFT HOOD B. VENT DAMPER INSTALLATION – GENERAL ® 1. The Series MI-e boiler is equipped with a built-in draft hood. This device is designed to: 1. Do not use one vent damper to control two or more heating appliances.
VENTING C. VENT PIPING & CHIMNEY 6. Do not alter boiler draft hood or place any obstruction or non-listed damper in the vent system. WARNING 7. Install vent pipe to slope upward at least 1/4” per lineal foot (21 mm per meter) between the draft hood outlet and the chimney.
VENTING D. BOILER REMOVAL FROM COMMON d. Place in operation the appliance being inspected. Follow the lighting instructions. Adjust thermostat so VENTING SYSTEM appliance will operate continuously. At the time of removal of an existing boiler, follow these Mettre en service l’appareil à inspecter. Suivre steps with each appliance remaining connected to the les instructions concernant l’allumage.
GAS PIPING 5. GAS PIPING 1. Size and install the gas supply piping properly in To Gas Supply order to provide a supply of gas sufficient to meet the maximum demand without undue loss of Service Valve pressure between the meter and the boiler. 2.
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GAS PIPING ® Table 5.1: Series MI-e Boiler – Natural Gas Input Model Cubic Feet / Hour Cubic Meters / Hour MI-e-03 MI-e-04 MI-e-05 MI-e-06 MI-e-07 MI-e-08 MI-e-09 ® Table 5.2: Series MI-e Boiler – LP Gas Input Model Cubic Feet / Hour Cubic Meters / Hour MI-e-03 MI-e-04...
ELECTRICAL 6. ELECTRICAL Install all electrical wiring in accordance with the National Electrical Code and local requirements. NOTICE This unit when installed must be electrically grounded in accordance with the requirements of the authority having jurisdiction or, in the absence of such requirements, with the current edition of the National Electrical Code, ANSI/NFPA 70 and/or the Canadian Electrical Code, Part 1 CSA C22.1, Electrical Code.
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ELECTRICAL HYDROSTAT DHW/ZONE 2 TERMINALS BOILER JUNCTION BOX SUPPLY 120V 60HZ CONNECT DHW/ZONE 2 CH CIRCULATOR THERMOSTAT TO SCREW TERMINALS ON BACK DHW/ZONE 2 OF HYDROSTAT CONTROL CIRCULATOR (WHERE USED) (WHERE USED) RELAY REQUIRED WHEN WIRING TO PV PARTNER CONTROL CH THERMOSTAT DHW/ZONE 2 KNOCKOUT...
START-UP PROCEDURES 7. START-UP PROCEDURES A. COMPLETING THE INSTALLATION 1. Confirm that all water, gas and electricity are turned off. 2. Inspect the boiler combustion chamber for foreign objects and remove if present. 3. Check physical condition of burners and pilot. Make certain that there are no unusual bends or perforations in the burners or pilot.
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START-UP PROCEDURES FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury, or loss of life. Immediately call your gas supplier from a A. This appliance is equipped with an ignition device neighbor’s phone.
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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 is equipped with an ignition device Immediately call your gas supplier from a which automatically lights the pilot.
START-UP PROCEDURES B. CONTROL DESCRIPTIONS 2. To adjust gas pressure, turn adjusting screw of gas pressure regulator counterclockwise to decrease See Figure 6.1 in Section 6 (Electrical) for locations of pressure, clockwise to increase pressure. Refer to these devices. Figures 7.2 thru 7.4 for location of gas pressure regulator.
START-UP PROCEDURES Table 7.1a: Meter Conversion – Natural Gas E. AIR SHUTTERS (U.S. Customary Units) Air shutters are factory installed on burners of LP gas Burner inputs in Btu/hr for various meter timings and heat modelsof MI-e-06 thru MI-e-09. Shutters may be adjusted values.
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START-UP PROCEDURES 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. Operate the boiler at a temperature above 130°F (54°C). Adjust the boiler limit as required to maintain boiler temperature above this level.
TROUBLESHOOTING 8. TROUBLESHOOTING DANGER A. SHUT-DOWN CAUSED BY PILOT OUTAGE, BLOCKED VENT SHUT-OFF When servicing or replacing items that communicate SWITCH OR FLAME ROLL-OUT SAFETY with the boiler water, be certain that: SHUT-OFF SWITCH There is no pressure on the boiler. In the event of a shut-down caused by a pilot outage, The boiler is not hot.
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TROUBLESHOOTING Table 8.1: Boiler Troubleshooting Guide PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Burners not 1. No power to limit control display. 1. Check line voltage wiring and fuses. Check transformer. functioning. 2. No call for heat (no decimal after 3-digit display). 2.
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.
MAINTENANCE A. GENERAL D. MONTHLY (WITH BOILER IN USE) 1. Disconnect this boiler from the gas supply piping 1. Check boiler room floor drains for proper during any pressure testing of the gas system. functioning. 2. Check pipes adjacent to cold walls or in unheated 2.
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MAINTENANCE WARNING c. Remove burners and brush gas outlet ports lightly using a soft bristle brush. If there is extensive corrosion in outlet ports, replace A deteriorated or incorrect vent system can result in burners. flue gas spillage and carbon monoxide emissions. d.
BOILER DIMENSIONS & RATINGS 10. BOILER DIMENSIONS & RATINGS Figure 10.1: Boiler Views ® Table 10.1: Series MI-e Boiler Dimensions ® SERIES MI-e BOILER DIMENSIONS Jacket Height to Height to Rear of Jacket Left of Jacket Vent Size Return Gas Inlet to c/l of Vent to c/l of Vent Length (Depth)
REPAIR PARTS 11. REPAIR PARTS REPAIR PARTS SERIES SERIES MI-e GAS BOILER ® Repair parts are available from your local PB Heat, LLC distributor or from Parts To Your Door at 1 (610) 916-5380 (www.partstoyourdoor.com). Note: Remember to include the boiler model number and serial number when ordering parts. Figure 11.1: Boiler Parts...
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Series MI-e ® Boilers Installation, Operation & Maintenance Manual TO THE INSTALLER: This manual is the property of the owner and must be affixed near the boiler for future reference. TO THE OWNER: This boiler should be inspected annually by a Qualified Service Agency.