Modine Manufacturing BD Installation And Service Manual

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Summary of BD

  • Page 1

    April, 2002 installation and service manual gas-fired unit heaters models pd and bd 6-553.3 5h73889a (rev. D) contents pages inspection on arrival ................................................................1 installation (including venting)..............................................2-8 opera...

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    2 the installation and maintenance instructions in this manual must be followed to provide safe, efficient and trouble-free operation. In addition, particular care must be exercised regarding the special precautions listed below. Failure to properly address these critical areas could result in prope...

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    In the u.S., the installation of these units must comply with the “national fuel gas code,” ansi z223.1, latest edition (also known as nfpa 54) and other applicable local building codes. In canada, the installation of these units must comply with local plumbing or waste water codes and other applica...

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    The pd 350 and pd 400 have four mounting holes. On all blower units, except the pd 350 and pd 400, two tapped holes are provided in the top of the unit and two holes in the blower support bracket. The pd 350 and pd 400 have four tapped holes in the top of the unit and two in the blower support brack...

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    5 additional venting requirements for venting into an existing masonry chimney or common vent (category i and ii units only) 1. Do not vent a category i or ii unit into a common vent with mechanical draft systems operating under positive pressure (category iii or iv units). 2. When connecting vent t...

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    6 wiring all field installed wiring must be done in accordance with the national electrical code ansi/nfpa 70 – latest edition or canadian electrical code csa c22.1 part 1 or local codes. Unit must be electrically grounded according to these codes. See wiring diagram shipped with unit. The power to ...

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    7 installation installation of blower models (bd units) determining blower speed the drive assembly and motor on all gas-fired blower unit heaters are factory assembled. The adjustable motor sheave has been pre-set to permit operation of this unit under average conditions of air flow and without any...

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    To install (figure 5) 1. Remove and discard the motor tie down strap and the shipping block beneath the belt tension adjusting screw (not used on all models.) 2. Adjust motor adjusting screw for a belt deflection of approximately 3/4" with five pounds of force applied midway between the sheaves (ref...

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    9 prior to operation although this unit has been assembled and fire-tested at the factory, the following pre-operational procedures should be performed to assure proper on-site operation: 1. Turn off all electric power to the unit. 2. Check burner to insure proper alignment. 3. Check fan clearance. ...

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    10 operation lack of primary air will cause soft yellow-tipped flames. Excess primary air produces short, well-defined flames with a tendency to lift off the burner ports. Proper operation with natural gas provides a soft blue flame with a well-defined inner core. To increase primary air, loosen the...

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    11 10 12 14 16 18 20 22 24 26 28 30 35 40 45 50 55 60 70 80 90 100 120 180 150 129 112 100 90 82 75 69 64 60 51 45 40 36 33 30 26 22 20 18 15 360 300 257 225 200 180 164 150 138 129 120 103 90 80 72 65 60 51 45 40 36 30 720 600 514 450 400 360 327 300 277 257 240 206 180 160 144 131 120 103 90 80 72...

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    12 standard model number pd 30 pd 50 pd 75 pd 100 pd 125 pd 150 pd 175 pd 200 pd 250 pd 300 pd 350 pd 400 btu/hr. Input 30,000 50,000 75,000 100,000 125,000 150,000 175,000 200,000 250,000 300,000 350,000 400,000 btu/hr. Output 24,000 40,000 60,000 80,000 100,000 120,000 140,000 160,000 200,000 240,...

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    13 dimensions/performance – bd w x f c m (approx.) n s k ee p filter rack (optional) blower enclosure (optional) a h d (opening) bb e aa b k g j vent pipe 4-5/8'' l (min. Distance to wall) rxt qxv o dimensions (inches) — bd standard blower motor data — bd note: mounting heights and throws for bd mod...

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    A choice of four air discharge nozzles accommodate various heat throw patterns illustrated. Equipped with adjustable louver blades, nozzles are fabricated from galvanized steel and are offered either unpainted or painted to match the finish of the blower unit heaters. Nozzles are flanged for easy at...

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    15 dimensional data dimensions (in inches) a c b / 4 " d b a / 4 " 3 c d b c d a / 4 " 3 40° downward nozzles 90° downward nozzles b a / 4 " 3 c d 40° splitter nozzles 5-way nozzle a 14-13/16 14-13/16 16-13/16 16-13/16 18-9/16 21-1/16 23-3/16 23-3/16 26-3/16 31-1/8 37-1/2 b 13 16 16 20 20 20 24 24 2...

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    Pd 50 pd 75 pd 100 pd 125 pd 150 pd 175 pd 200 pd 250 pd 300 pd 350 pd 400 models s s s s s s s s s s s 8' 10 23 30 34 38 42 36 54 62 58 56 10' 11 20 27 30 34 37 32 48 56 52 50 12' 12 19 24 27 31 34 29 44 51 47 46 14' 17 23 25 29 32 27 41 47 44 42 16' 16 21 24 27 29 25 38 44 41 39 18' 20 22 25 28 24...

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    Bd 50 bd 75 bd 100 bd 125 bd 150 bd 175 bd 200 bd 250 bd 300 bd 350 bd 400 models s s s s s s s s s s s 8' 29 42 56 61 72 79 70 98 113 121 94 10' 26 38 50 55 65 70 63 88 101 108 84 12' 24 35 46 50 59 64 58 80 92 99 77 14' 22 32 43 46 55 60 53 74 85 91 71 16' 21 30 40 43 51 56 50 70 80 85 67 18' 19 2...

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    0.0 static air pressure 0.1 static air pressure 0.2 static air pressure 0.3 static air pressure temp sheave sheave sheave sheave model rise airflow rpm hp drive turns rpm hp drive turns rpm hp drive turns rpm hp drive turns no. (°f) (cfm) no. Open no. Open no. Open no. Open bd 50 bd 75 bd 100 bd 125...

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    40 926 1070 3/4 c61 2.0 1130 3/4 c61 1.5 – – – – 45 823 1020 1/2 c61 2.5 1085 3/4 c61 2.0 – – – – 50 741 985 1/2 c61 3.0 1050 1/2 c61 2.5 – – – – 55 673 955 1/2 c61 3.5 1025 1/2 c61 2.5 – – – – 60 617 935 1/3 c1 3.5 1000 1/2 c61 3.0 – – – – 65 570 915 1/3 c1 4.0 985 1/3 c1 3.0 – – – – 70 529 905 1/3...

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    20 service instructions – safety devices figure 13 service, safety, and other major unit heater components limit control (overheat switch) the limit control, mounted on the left inner side panel (when facing front of unit), will shut off the gas supply to the main burner in the event of overheating....

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    21 service instructions – safety devices figure 14 bvss - troubleshooting flow chart if these changes do not stop the spillage or the installer chooses not to make changes, a power exhauster is really the only recommended fix (see bulletin 6-530). Low ambient installations can also be a cause for ex...

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    22 combustion problem symptoms and diagnosis to realize full gas heating value requires periodic inspections with proper combustion control corrections as outlined and illustrated here. 1. Lifting flames lifting flames rise unevenly above the burner port and may occur on few or all the ports. Someti...

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    23 2. Yellow tipping yellow tipping of a normally blue flame is caused by insufficient primary air, and indicated incomplete combustion producing carbon monoxide, aldehydes, and free carbon (soot). A dirty orifice or one that is out of line, can also reduce primary air and cause yellow tipping. Chec...

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    24 3. Effect of pilot operation on safety controls: possible causes and remedies 3a. A short pilot flame may cause poor ignition and result in the controls not opening the combination gas control or reduce heat on thermocouple to the point where the automatic controls become inoperative, thereby shu...

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    Power code electric power 01 115/60/1 02 230/60/1 04 200/60/3 05 230/460/60/3 07 575/60/3 09 115/60/1 10 230/60/1 12 200/60/3 13 230/460/60/3 15 575/60/3 17 115/60/1 18 230/60/1 20 200/60/3 21 230/460/60/3 23 575/60/3 25 115/60/1 26 230/60/1 28 200/60/3 29 230/460/60/3 31 575/60/3 33 115/60/1 34 230...

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    Blower sheave motor sheave drive belt no. Max. No. Browning pitch dia. Bore pitch dia. Bore c188 a38 7 3/4 2.9 1/2 c189 a39 7 3/4 2.9 5/8 c190 a35 4 3/4 2.9 5/8 c191 a49 11 3/4 2.9 1/2 c192 a40 5 3/4 2.9 5/8 c193 a47 8 3/4 4.4 5/8 c194 a37 8 3/4 2.9 5/8 c195 a33 6 3/4 2.9 5/8 c196 a44 10 3/4 2.9 5/8...

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    27 control options propeller and blower unit heaters – pd and bd models ➀ ➁ ➂ ➃ single-stage, standing pilot, 100% shut-off – utilizes a single-stage combination gas control and thermocouple. Pilot needs to be manually lit initially and stays lit. Two-stage, standing pilot, 100% shut-off – utilizes ...

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    Warranty as modine manufacturing company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Commercial hvac & r division modine manufacturing company 1221 magnolia avenue buena vista, virginia 24416 phone: 1.800.828.4328 (heat) fax...