Modine PDP350 Use and Care Manual
Contents
1. Gas Connections 3 4 Fan Diameter 22 Approx Weight 338 Do not use propeller units with duct work Diameter of round vent pipe to fit oval opening PDP 30 through PDP 300 2 holes and the level hanging adjustment feature PDP 350 through PDP 400 4 holes Listed is the hole diameter and threads per inch to accept threaded rod Dimension equals overall plus 6 For natural gas may vary depending on control availability 15 MAINTENANCE All heating equipment should be serviced before each heating season to assure proper operations The following items may be required to have more frequent service schedule based on the environment in which the unit is installed and the frequency of the equipment operation General Unit When providing annual maintenance for the unit heater keep the unit free from dust dirt grease and foreign matter Pay particular attention to 1 The combustion air and exhaust vent piping 2 The burner ports and pilot burner orifices avoid the use of hard sharp instruments capable of damaging surfaces for cleaning these ports To check the burner port and pilot burner orifice see Burner and Pilot Assembly Removal 3 The air shutters and main burner orifices avoid the use of hard sharp instruments capable of damaging surfaces for cleaning these orifices To check the air shutters and2. 20 22 22 22 28 30 30 30 S 12 16 19 21 23 25 22 29 32 20 29 Q Data Based on unit fired at full rated input 60 80 F entering air temperature and a 40 F temperature rise through unit Maximum mounting heights higher versus units without outle devises 30 and 60 THROW FLOOR COVERAGE la 30 DOWNTURN NOZZLE s 60 DOWNTURN NOZZLE Ao t i 30 MounTING I SN e 60 00909996 HEIGHT i Su e ILL 1 1 H enr eed eo eoo eee LN eessasee X 60 NOZAE Y z 30 HOOD 60 HOOD 90 HOOD x 30 NOZZLE gt 14 DIMENSIONAL DATA Propeller Units Model PDP Figure 15 1 Dimensional Drawings Table 15 1 Dimensions inches PDP Dimension Model Number Symbol PDP 100 PDP 125 PDP 150 PDP 175 PDP 200 250 PDP 300 PDP 350 PDP 400 14 3 4 20 20 22 22 25 25 25 14 13 16 14 13 16 16 13 16 16 13 16 21 1 16 23 3 16 26 3 16 31 3 16 13 16 16 20 20 24 24 24 9 1 4 11 11 12 12 13 1 2 14 5 146 5 11 16 5 11 16 7 5 8 6 9 16 7 1 2 13 5 8 13 5 8 15 5 8 15 5 8 19 7 8 22 25 30 J 3 or 4 4 5 5 6 6 K Mounting Holes 3 8 16 3 8 16 3 8 16 3 8 16 3 8 16 3 8 16 Lo 28 7 16 33 1 16 35 13 16 35 9 16 40 3 4 44 3 16 22 716 27 116 29 13 16 29 9 16 34 11 16 38 3 16 5 16 16 8 8 9 7 1 4 3 3 8 32 7 8 35 1 2
3. Drafts across burner Misalignment of burner Cracked heat exchanger Wavering Flames See Figure 18 1 Possible Remedy Open manual gas valve Turn on main power Purge gas line Check for plugged pilot orifice and clean with compressed air if necessary Adjust to a maximum of 14 W C Minimum for Natural Gas 6 W C Minimum for Propane Gas 11 W C Check wiring for 24 volts to valve a Replace ignition controller b Replace gas valve a Check all ignition controller wiring b Replace sensor if cracked or worn c Replace ignition controller Check all safety devices High limit pressure switch blocked vent safety switch etc Determine and correct problem Reset if necessary Turn gas control knob or lever on combination gas control to pilot position Be sure thermocouple contact is clean If problem persists replace thermocouple Find source and re direct airflow away from unit Tighten pilot orifice Flame impingement on thermocouple may cause thermocouple to become inoperative Replace valve Check wiring to gas valve Replace pilot sensor Replace ignition controller Verify wiring compared to wiring diagram Reduce primary air Adjust to a maximum of 14 W C Check orifice size with those listed on the serial plate Increase primary air Check orifices and clean with compressed air if necessary Check manifold replace if necessary Eliminate drafts Align bu
4. 100 shut off with continuous retry On a call for heat the system will attempt to light the pilot for 70 seconds If the pilot is not sensed for any reason the ignition control will wait for approximately six minutes with the combination gas control closed and no spark After six minutes the cycle will begin again After three cycles some ignition controllers lockout for approximately one hour before the cycle begins again This will continue indefinitely until the pilot flame is sensed or power is interrupted to the system 3 Time Delay Relay STD The time delay relay is factory installed in electrical junction box The time delay relay allows the gas controls to operate Table 13 1 Electrical Details Propeller Units Power Building Supply Unit Power Voltage As found on Serial Plate Voltage Phase Voltage Control Code Selected 115 11 25 30 59 63 81 83 85 87 89 for approximately 30 to 90 seconds before the blower starts This allows the heat exchanger a warm up period so that the initial delivered air is not cool The time delay relay also keeps the motor running for approximately 30 90 seconds after the call for heat has been satisfied to remove the residual heat from the heat exchanger For single phase units below 2 Hp the time delay relay controls the motor directly For single phase units 2 Hp and greater and all three phase units the time delay relay controls the motor starter 4 Low Voltage
5. When servicing Or repairing this equipment use only Dimensions Unit etos tere dee t 15 factory approved service replacement parts A complete Maintenance 222 M p E E 16 replacement parts list may be obtained by contacting Service amp Troubleshooting 17 Modine Manufacturing Company Refer to the rating Model Nomenclature Serial Plate 19 plate on the appliance for complete appliance model Commercial Warranty Back Page number serial number and company address Any substitution of parts or controls not approved by the factory will be at the owners risk 9 To reduce the opportunity for condensation the minimum sea level input to the appliance as indicated on the serial plate must not be less than 5 below the rated input or 5 below the minimum rated input of duel rated units 10 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than the rated voltage SI METRIC CONVERSION FACTORS UNIT LOCATION SI METRIC CONVERSION FACTORS Table 3 1 To Convert Multiply By To Obtain 0 24 To Convert Multiply By To Obtain CFH 1 699 6 893 Btu ft 0 0374 F 32 x 0 555 pound 0 453 inches 25 4 Btu hr 0 000293 feet 0 305 meters gallons 3 785 11 In aircraft hangars keep the bottom of the unit at least 10 feet from the highest surface of t
6. 14 W C a gas pressure regulator must be added upstream of the combination gas valve 19 Open the field installed manual gas shut off valve 20 Open the manual main gas valve on the combination gas valve Call for heat with the thermostat and allow the pilot to light for intermittent pilot ignition For standing pilot systems manually light the pilot prior to call for heat If the pilot does not light purge the pilot line If air purging is required disconnect the pilot line at outlet of pilot valve In no case should line be purged into heat exchanger Check the pilot flame length See Pilot Flame Adjustment 21 Once the pilot has been established check to make sure that the main gas valve opens Check the manifold gas pressure See Main Gas Adjustment and flame length See Air Shutter Adjustment while the supply fan blower is operating 22 Check to insure that gas controls sequence properly See Control Operating Sequence Verify if the unit has any additional control devices and set according to the instructions in the Control Options 23 Once proper operation of the unit has been verified remove any jumper wires that were required for testing 24 Replace the electrical junction box cover Pilot Burner Adjustment The pilot burner is orificed to burn properly with an inlet pressure of 6 7 W C on natural gas and 11 14 W C on propane gas but final adjustment must be made after installation If the pilot flame i
7. 2 Then increase the primary air until yellow tips diminish and a clean blue flame with a well defined inner cone appears It may also be necessary to adjust the manifold position in addition to adjusting air shutters to obtain proper flame Follow the instructions under Natural Gas Flame Control for adjusting the manifold START UP PROCEDURE Table 11 1 Manifold Pressure amp Gas Consumption BTU Cu Ft Specific Gravity Natural Propane 1050 0 60 2500 1 53 No of Orifices Manifold Pressure In W C PDP 30 CFH Gal Hr Propane Orifice Drill Size 3 5 PDP 50 BDP 50 CFH Gal Hr Propane Orifice Drill Size PDP 75 BDP 75 CFH Gal Hr Propane Orifice Drill Size PDP 100 BDP 100 CFH Gal Hr Propane Orifice Drill Size PDP 125 BDP 125 CFH Gal Hr Propane Orifice Drill Size PDP 150 BDP 150 CFH Gal Hr Propane Orifice Drill Size PDP 175 BDP 175 CFH Gal Hr Propane Orifice Drill Size PDP 200 BDP 200 CFH Gal Hr Propane Orifice Drill Size PDP 250 BDP 250 CFH Gal Hr Propane Orifice Drill Size PDP 300 BDP 300 CFH Gal Hr Propane Orifice Drill Size PDP 350 BDP 350 CFH Gal Hr Propane Orifice Drill Size PDP 400 CFH Gal Hr Propane Orifice Drill Size Above gases based on average standards Units can be furnished for gases of different values and specific gravities Gal Hr based
8. 4 1 Adjustable Mounting Brackets To Adjust NRW 22 1 Remove outer side panels 2 Set screws loosen and position bracket where needed then tighten set screws 3 Re attach outer side panels L J Figure 4 2 Suspension Methods Li Threaded Rod Suspension 3 U4 Suspension with Pipe Adaptor Kit INSTALLATION Venting 1 2 A WARNING Gas fired heating equipment must be vented do not operate unvented A built in power exhauster is provided additional external power exhausters are not required or permitted Note A vent is the vertical passageway used to convey flue gases from the unit or the vent connector to the outside atmosphere A vent connector is the pipe which connects the unit to a vent or chimney Vent connectors serving Category appliances shall not be connected into any portion of mechanical draft systems operating under positive pressure General Venting Air Instructions 1 Installation of venting must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 Latest Edition In Canada installation must be in accordance with CAN CGA B149 1 for natural gas units and CAN CGA B149 2 for propane units All vertically vented units are Category All horizontally vented units are category Ill The installation must conform to the requirements
9. A MODINE 6 579 2 5H78211A Rev C February 2004 INSTALLATION AND SERVICE MANUAL WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death and could cause exposure to substances which have been determined by various state agencies to cause cancer birth defects or other reproductive harm Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment A CAUTION To prevent premature heat exchanger failure do not locate ANY gas fired units in areas where chlorinated halogenated or acid vapors are present in the atmosphere gas fired unit heaters model PDP All models approved for use in California by the CEC when equipped with IPI in New York by the MEA division and in Massachusetts Unit heater is certified for non residential applications FOR YOUR SAFETY If you smell gas 1 Open windows 2 Don t touch electrical switches 3 Extinguish any open flame 4 Immediately call your gas supplier FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous IMPORTANT The use of this manual is specifically intended for a qualified installation and service agency A qualified installation and service agency must perform all installation and service of these appliances Inspec
10. ELEVATION ABOVE SEA LEVEL 1 SET THERHOSTAT TO LOWEST SETTING MOVE GAS CONTROL 1 SET THERMOSTAT TO LOWEST SETTING MOVE GAS CONTROL LUBRICATE MOTOR EVERY 2000 HOURS OF OPERATION WITH SAE 20 OIL KNOB OR LEVER TO OFF AND WAIT 5 MINUTES KNOB OA LEVER TO OFF AND WAIT 5 MINUTES FILTERS WHEN USED ON BLOWER UNIT HEATERS MUST BE INSTALLED EXTERNAL TO 2 MOVE GAS CONTROL KNOB OR LEVER TO ON 2 MOVE GAS CONTROL KNOB TO PILOT OR MOVE GAS CONTROL V THE TESTER CASING 3 SET THERMOSTAT TO DESIRED SETTING PILOT AND MAIN ae BAUER 1 INFE pilis ea PROPELLER UNIT HEATERS ARE NOT FOR USE WITH FILTERS BURNER WILL LIGHT AUTOMATICALLY WHEN THERMOSTAT CALLS INSTALLATIONS IN AIRCRAFT HANGARS PARKING STRUCTURES AND REPAIR GARAGES FOR HEAT 3 MOVE GAS CONTROL KNOB OR LEVER TO ON SHALL BE IN ACCORDANCE WITH THE STANDARD ON AIRCRAFT HANGARS ANSI NFPA 4 SET THERMOSTAT TO DESIRED SETTING 409 THE STANDARD FOR PARKING STRUCTURES ANSI NFPA 88A THE STANDARD FOR REPAIR GARAGES ANSI NFPA 88B AND IN CANADA WITH THE CANI B149 CODES SHUT DOWN INSTRUCTIONS TURN OFF PONER amp CLOSE ALL GAS VALVES ERAL POUR UNITE EQUIEE D UNE VEILLEUSE INTERMITTENTE TOUTES LES 2000 HEURES DE FONCTIONNEEMENT LUERIFIER LE POUR UNITE EQUIEE D UNE VEILLEUSE INTERMITTENTE POUR UNITE EQUIPEE D UNE VEILLEUSE PERMANENTE MOTEUR AVEC DE L HUILE SAE 20 1 R GLER LE THERMOSTAT SUR LE DEGR LE PLUS BAS 1 R GLER LE THERMOSTAT SUR LE DECR LE PLUS BAS TOURNER LA LORSCUTLS
11. SONT UTILIS S SUR LES APPAREILS DE CHAUFFAGE TORNER LA MOLETTE OU LE LEVIER DE COMMANDE MOLETTE OU LE LEVIER DE COMMANDE DU GAZ SUR OFF ET SOUFFLANTE LES FILTRES DOIVENT ETRE INSTALL S A L EXT RIEUR DU GAZ SUR OFF ET ATTENDRE 5 HINUTES ATTENDRE 5 MINUTES DU BO TIER DE L APPAREIL 2 TOURNER LA MOLETTE OU LE LEVIER DE COMMAMDE 2 TOURNER LA MOLETTE DE COMMANDE DU GAZ SOR PILOT OU TOURNER NE PAS UTILISER DE FILTERS AVEC LES APPAREILS DE CHAUFFAGE DU GAZ SUR ON LE LEVIER DE COMMANDE SUR SET ET EN ALLIANT LA PROPULSION 3 LA VEILLEUSE ET LE BR LEUR PRINCIPAL S ALLIMERONT MET BERE PERT L INSTALLATIONS DANS LES HANGERS D AEROMEFS DOIT CONFORMER AUTOMATIQUEMENT QUAND LE THERMOSTAT LES AUX EXIGENCIES DES AUTORITES COMPETENTES ET DANS LES DECLENCHERA 3 TOURNER LA NOLETTE QU LE LEVIER DE COMMANDE DU GAZ SUR ON GARAGES PUBLICS DOIT CONFORMER AUX CODES CAN 1 B149 4 R GLER LE THERHOSTT SUR LE DEGR DESIRE INSTRUCTIONS DE FER METURE COUPER LE COURANT ET FERMER TOUTES LES ROBIMETS A GAZ Combination Gas Control 24V Control Trensformer Hain Burner COMMON REPLACEMENT PARTS For parts ordering contact the parts wholesaler or the manufacturer s representative serving SH73117B1 5 71956 1 393307387 your area ee parts always provide Rind number serial number description and part Non E 2F30095 None number ordering parts provide part m Tisted rr For service contact your local qualified ins
12. WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER For Seller s High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY BURNER WHICH SHALL WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 126 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER All Other Components Excluding Heat Exchanger Condenser Burner and Sheet Metal For all Seller s products except Direct Fired Heaters and High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY PART OR PARTS WHICH SHALL WITHIN TWO YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TW
13. sis MIN BTU HEURE SERIAL NUMBER MIN INLET PRESS FOR PURPOSE OF CATEGORY sm 15201022498 0045 INPUT ADJUSTMENT PRESSION 6 I DESIGN COMPLIES WITH UNIT HEATER STANDARD D ALIMENTATION EN GAZ MIN ADMISE PO CD E ANSI 283 8b 2000 TYPE OF GAS MANIFOLD PRESSURE APPROVALS Natural PRESSION LA TUBULURE 3 5 mur CGA 2 6b M00 D ALIHENTATICN PO CD E ACCEPTED BY CITY MAXIMUM EXTERNAL STATIC PRESSURE OF NEM YORK PRESSION STATIGE EXTERIEUR 0 0 i HEA 293 96 E 0 TO 2000 FT IN CANADA MINIMUM CLEARANCE TO COMBUSTIBLE MATERIAL PENNSYLVANIA 0 ET 610 M 2000 TO A600 FT D BAGEMENT MINIMUM POUR MATI RES COMBUSTBLES M 610 ET 1370 M INPUT BTU RR war coro 200000 180000 REDENHENT 160000 144000 12 APPROVED FOR USE IN MASSACHUSETTS SR APPROVED FOR USE IN CA BY THE CEC WHEN CONNECTEUR W rone wrni IPI D AERATION PO SERIES UNIT HEATER IS FOR USE WITH DUCTS AT A IN COT DROIT 18 m ORIFICE SIZE LEFT SIDE DIM DE L INJECTEUR 25 27 com couche 1B N X TEMPERATURE RISE RANGE SERIE AEOTHERME FONCTIONNE X F X p AVECS DES CONDUITS A UNE ELEVATION DE TEMPERATURE DE GENERAL LIGHTING INSTRUCTIONS IN USA FOR INSTALLATIONS ABOVE 2000 FEET DERATE 4 PERCENT FOR EACH 1000 FOR UNITS WITH INTERMITTENT PILOT FOR UNITS WITH STANDING PILOT FEET OF
14. the opportunity for condensation the minimum sea level input to the appliance as indicated on the serial plate must not be less than 596 below the rated input or 596 below the minimum rated input of duel rated units A CAUTION Purging of air from gas supply line should be performed as described in ANSI Z223 1 latest edition National Fuel Gas Code or in Canada in CAN CGA B149 codes IMPORTANT To prevent premature heat exchanger failure the input to the appliance as indicated on the serial plate must not exceed the rated input by more than 5 1 Installation of piping must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 Latest Edition In Canada installation must be in accordance with CAN CGA B149 1 for natural gas units and CAN CGA B149 2 for propane units 2 Piping to units should conform with local and national requirements for type and volume of gas handled and pressure drop allowed in the line Refer to Table 13 1 to determine the cubic feet per hour cfh for the type of gas and size of unit to be installed Using this cfh value and the length of pipe necessary determine the pipe diameter from Table 8 1 Where several units are served by the same main the total capacity cfh and length of main must be considered Avoid pipe sizes smaller than 1 2 Table 8 1 allows for a 0 3 W C pressure drop in the supply pr
15. vent connector for category vent systems A unit located within an unoccupied attic or concealed space shall not be vented with single wall vent pipe Single wall vent pipe must not pass through any attic inside wall concealed space or floor Do NOT vent this appliance into a masonry chimney When condensation may be a problem the venting system shall not terminate over public walkways or over an area where condensation or vapor could create a nuisance or hazard or could be detrimental to the operation of regulator relief openings or other equipment 5 INSTALLATION Figure 6 1 Unit Venting Category I pitched roof Listed d Terminal Roof Flashing 12 Roof Pitch is x 12 Use Thimble 1 4 Through Ceiling ano H Slope 1 4 to N Drip Leg with The Foot Cleanout Cap Unit Table 6 1 Vent Pipe Diameters Transitions and Total Equivalent Vent Pipe Lengths for Horizontal Vent Systems Figure 6 2 Unit Venting Category I obstructed Maximum Eqv Length Model Vent Transition Vent Pipe Minimum Size Included Diameter Eqv Length 30 4 to 3 3 2 25 30 Not Required 4 2 35 50 4 to 3 3 2 30 50 Not Required 4 2 40 75 Not Required 4 2 40 100 125 Not Required 4 2 55 150 175 4 to 5 5 2 60 200 6 to 5 5 2 60 250 400 Not Required 6 2 70 Listed Termin
16. 0 890 11 00 1180 11 50 1330 11 50 All motors used are produced rated and tested by reputable manufacturers in accordance with NEMA standards and carry the standard warranty of both the motor manufacturer and Modine All motors are totally enclosed and all single phase motors have built in thermal overload protection Q Ratings shown are for elevations up to 2 000 ft For elevations above 2 000 feet ratings should be reduced at the rate of 496 for each 1 000 feet above sea level In Canada see rating plate Reduction of ratings requires use of a high altitude kit pata taken at 55 F air temperature rise At 65 F ambient and unit fired at full rated input Mounting height as measured from bottom of unit and without deflector oods Table 14 3 Performance Data 30 60 and 90 Downward Deflector Hoods Hood Model Size NOTE Type X FEED FROM HEATER TO START OF Max MTG HGT FLOOR COVERAGE P Y FEET TO END OF 30 FLOOR COVERAGE Z FEET TO END OF 17 21 THROW Max MTG HGT 10 14 16 18 18 18 18 22 24 24 24 l 60 X 0 0o 0 0 0 0 0 0 0 0 0 A Se Y 14 10 13 12 13 23 12 16 19 16 16 N E s S 2 19 14 19 17 19 32 17 23 28 24 23 ipo d 90 Max MTG HGT 12 16 20
17. 3 The pilot valve opens and the spark ignitor sparks in an attempt to light the pilot 4 Once the pilot is lit the flame sensor proves the pilot and stops the spark ignitor from sparking 5 The main gas valve is opened and the main burner is lit to 100 full fire The air mover starts after 30 to 90 seconds The unit continues to operate until the thermostat is satisfied at which time both the main and pilot valves close 100 8 The air mover starts after 30 to 90 seconds 11 Sus START UP PROCEDURE Two Stage Gas Controls intermittent pilot Utilizes a two stage combination gas control an ignition control and a two stage low voltage thermostat The unit fires at 50 fire on low stage and 100 fire on high stage 1 The thermostat calls for low stage heat 2 The power exhauster relay is energized starting the power exhauster motor Once the motor has reached full speed the differential pressure switch closes 3 The pilot valve opens and the spark ignitor sparks in an attempt to light the pilot 4 Once the pilot is lit the flame sensor proves the pilot and stops the spark ignitor from sparking Table 12 1 Propeller Unit Heaters PDP Model Control System Description The main gas valve is opened and the main burner is lit to 50 fire The air mover starts after 30 to 90 seconds If the temperature at the thermostat continues to fall the thermostat will call for high stage heat The main gas valve is
18. Adjust to a maximum of 14 W C Check orifice size with those listed on the serial plate Clean correct venting system Clean correct duct system Adjust to a maximum of 14 W C Check correct to insure blower motor operates within 45 seconds of when gas controls are energized Adjust belt tension Check correct blower drive settings for proper rpm Check correct venting system g Replace air distribution baffle h Replace high limit switch Adjust main gas pressure Minimum for Natural Gas 6 W C Minimum for Propane Gas 11 W C Adjust outside air damper to decrease outside air percentage if possible Check replace thermostat Check unit wiring against the wiring diagram Check design conditions If unit is undersized an additional unit s or other heat source must be added Check replace thermostat a Check unit wiring against the wiring diagram b Check for loose or worn wires Adjust to a maximum of 14 W C Replace gas valve Lifting Flame Condition limit switch that will shut off the gas should the discharge air temperature become excessive See Figure 15 1 indicator for the location of either the standard automatic high limit switch The switch should operate only when something is seriously wrong with the unit operation Anytime the switch operates 0000000000000 correct the difficulty immediately or serious damage may result If the switch cuts off the
19. D BY THE BUYER As Modine Manufacturing Company has a continuous product improvement program it reserves the right to change design and specifications without notice opu Modine Manufacturing Company 2004 Commercial HVAC amp R Division Modine Manufacturing Company 1221 Magnolia Avenue Buena Vista Virginia 24416 Phone 1 800 828 4328 HEAT Fax 540 261 1903 Service amp Parts www modine com 2 04 5M Litho in USA
20. O YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN THIRTY MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER For Seller s Direct Fired Heaters and High Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE SELLER S OPTION ANY PART OR PARTS WHICH SHALL WITHIN A PERIOD OF ONE YEAR FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 18 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF THE SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE BUYER AGREES THAT IN NO EVENT WILL SELLER BE LIABLE FOR COSTS OF PROCESSING LOST PROFITS INJURY TO GOODWILL OR ANY OTHER CONSEQUENTIAL OR INCIDENTAL DAMAGES OF ANY KIND RESULTING FROM THE ORDER OR USE OF ITS PRODUCT WHETHER ARISING FROM BREACH OF WARRANTY NONCONFORMITY TO ORDERED SPECIFICATIONS DELAY IN DELIVERY OR ANY LOSS SUSTAINE
21. RE NO OTHER WARRANTIES INCLUDING WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE WHICH EXTEND BEYOND THE PRODUCT DESCRIPTION CONFIRMED BY BUYER AND SELLER AS OF THE DATE OF FINAL AGREEMENT This warranty is void if the input to the product exceeds the rated input as indicated on the product serial plate by more than 5 on gas fired and oil fired units or if the product in the judgment of SELLER has been installed in a corrosive atmosphere or subjected to corrosive fluids or gases been subjected to misuse negligence accident excessive thermal shock excessive humidity physical damage impact abrasion unauthorized alterations or operation contrary to SELLER S printed instructions or if the serial number has been altered defaced or removed Heat Exchangers For Seller s non separated combustion Gas Fired Unit Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER WHICH SHALL WITHIN TEN YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN TEN YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN ONE HUNDRED TWENTY SIX MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE E
22. TEST GAGE CONNECTION SEDIMENT TRAP Manual shut off valve is in the OFF position when handle is perpendicular to pipe INSTALLATION Table 8 1 Gas Pipe Capacities Gas Pipe Capacities Up to 14 W C Gas Pressure through Schedule 40 Pipe Cubic Feet per Hour with Pressure Drop of 0 3 W C Natural Gas Specific Gravity 0 60 Propane Gas Specific Gravity 1 50 Pipe Diameter 1 2 1 1 1 4 1 1 2 2 Natural Propane Natural Propane Natural Propane Natural Propane Natural Propane Natural Propane Electrical Connections A WARNING 1 Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage 2 All appliances must be wired strictly in accordance with wiring diagram furnished with the appliance Any wiring different from the wiring diagram could result in a hazard to persons and property 3 Any original factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105 C 4 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 greater than rated voltage A CAUTION 1 Ensure that the supply voltage to the appliance as indicated on the serial plate is not 5 less than the rated voltage 1 Installation of wiring must conform with local bui
23. Terminal Board STD The low voltage terminal board is located in electrical junction box The terminal board is labeled to match the electrical wiring diagram provided with the unit All low voltage field wiring connections should be made to the exposed side of the terminal board exterior of electrical junction box to prevent miswiring by modifying the factory wiring which is inside the electrical junction box 5 Control Step Down Transformer STD The control step down transformer is located in the electrical junction box The transformer is used to step down the supply power 115V 208V 230V 460V 575V to 24V This transformer is used to control the gas controls fan delay relay field Supplied motor starter etc All unit heaters are supplied with a 40VA control step down transformer To determine the control transformer supplied as well as any accessory field supplied transformers required reference the supply voltage listed on the serial plate and reference tables 16 1 and 16 2 6 High Limit Switch STD The automatic reset high limit switch is factory installed on the left side air blowing you in the face of the unit heater If the limit temperature is exceeded the gas controls are de energized until the switch is cooled 7 Pressure Switch STD A automatic reset vent pressure switch is supplied on all Power vented unit heaters and is designed to prevent operation of the main burner in the event there is rest
24. XCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER FOR GAS FIRED PRODUCTS INSTALLED IN HIGH HUMIDITY APPLICATIONS AND UTILIZING STAINLESS STEEL HEAT EXCHANGERS BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO TEN YEARS FROM DATE OF SHIPMENT FROM SELLER For Seller s Low Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER WHICH SHALL WITHIN FIVE YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER OR ANY OTHER USER WITHIN FIVE YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 66 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER Heat Exchanger Condensers for all Seller s products except non separated combustion Gas Fired Unit Heaters and Infrared Heaters all Burners excep
25. al 2 To wall or adjoining building Roof Flashing l x Use Thimble Through Ceiling NN Drip Leg with Cleanout Ca E 10 P Sa SS Sa Loome Slope 1 4 to The Foot Size according to expected snow depth Vent transition is included but not required for this vent size Please discard the vent transition Table 6 2 Equivalent Vent Lengths for 90 Elbows Elbow Diameter Equivalent Vent Length 3 1 4 5 5 e e T 19 In cold ambient conditions such as Canada the following items are recommended for proper operation and equipment life The vent pipe must not pass through an unheated space or interior part of an open chimney unless the vent pipe is insulated Where the vent pipe may be exposed to extreme cold or come into contact with snow or ice the entire vent must be insulated or double wall includes outdoors It is preferred that the double wall vent is one continuous piece but a joint is allowed outside the building The vent terminal must extend 16 inches beyond the exterior surface of an exterior wall and be supported as shown in figure 7 1 The heater system shall be checked at least once a year by a qualified service technician 20 If left hand facing front of heater with air blowing in face power exhauster discharge is desired the power exhauster may be ro
26. al Clearances Model Access Non Access Top of Power Size Side Side Top Bottom Exhauster A B C D Not Shown 30 100 1 1 6 12 3 125 1 1 3 12 2 150 175 1 1 4 12 2 200 300 1 1 5 12 3 350 400 1 1 5 12 3 Provide sufficient room around the heater to allow for proper combustion and operation of fan Free area around the heater must not be less than 1 1 2 times the discharge area of the unit Table 3 3 Recommended Service Clearances Model Access Non Access Top of Power Size Side Side Top Bottom Exhauster A B C D Not Shown 30 50 18 18 6 15 1 75 100 18 18 6 20 1 125 175 18 18 6 22 1 200 400 18 18 6 25 1 Combustion Air Requirements Units installed in tightly sealed buildings or confined spaces must be provided with two permanent openings one near the top of the confined space and one near the bottom Each opening should have a free area of not less than one square inch per 1 000 BTU per hour of the total input rating off all units in the enclosure freely communicating with interior areas having in turn adequate infiltration from the outside For further details on supplying combustion air to a confined tightly sealed space or unconfined space see the National Fuel Gas Code ANSI Z223 1 of CAN CGA B149 1 or 2 Installation Code latest edition UNIT LOCATION Sound and Vibration Levels All standard mechanical equipment generat
27. al SI Metric Conversion Factors 3 power exhausters are not required or permitted Unit Location D eee eee 3 3 All field gas piping must be pressure leak tested prior to Combustible Material and Service Clearances 3 operation Never use an open flame Use a soap solution or Combustion Air Requirements 3 equivalent for testing Unit Lifting and Unit Mounting 4 4 Gas pressure to appliance controls must never exceed 14 Installation REEL 5 W C 1 2 psi Venting ce 5 5 Disconnect power supply before making wiring connections Gas Connections 7 to prevent electrical shock and equipment damage Electrical lt 8 6 All appliances must be wired strictly in accordance with Start Up Procedure 2 esse eee eee eee 9 wiring diagram furnished with the appliance Any wiring Pilot Burner Adjustment 1 8 v fuese mec eee gee udo Sad E 9 different from the wiring diagram could result in a hazard Main Burner Adjustment 10 to persons and property Control Operating Sequence 11 7 Any original factory wiring that requires replacement Options CET 13 must be replaced with wiring material having a General Performance 14 temperature rating of at least 105 C Performance Data Options Accessories 14 8
28. al junction box locations All supply power electrical connections are made in the electrical junction box of the unit The low voltage thermostat and accessory control devices can be wired to the terminals on the electrical junction box Refer to the wiring diagram for the terminal location of all low voltage wiring START UP PROCEDURE IMPORTANT Start up and adjustment procedures should be performed by a qualified service agency 1 Turn off power to the unit at the disconnect switch Check that fuses or circuit breakers are in place and sized correctly Tum all hand gas valves to the OFF position Remove electrical junction box cover Check that the supply voltage matches the unit supply voltage listed on the Model Identification plate Verify that all wiring is secure and properly protected Trace circuits to insure that the unit has been wired according to the wiring diagram 4 Check to insure that the venting system is installed correctly and free from obstructions 5 Check to see that there are no obstructions to the intake and discharge of the unit 6 For blower units check the belt tension and sheave alignment Refer to Blower Adjustments for proper belt tension Check bearings for proper lubrication if applicable Check to make sure that all filters are in place and that they are installed properly according to direction of air flow if applicable 9 Perform a visual inspection of the unit to ma
29. ance from the vent pipe or the top of the unit may be required to be greater than 6 inches if heat damage other than fire such as material distortion or discoloration could result Avoid venting through unheated space When venting does pass through an unheated space insulate runs greater than 5 feet to minimize condensation Inspect for leakage prior to insulating and use insulation that is noncombustible with a rating of not less than 350 F Install a tee fitting at the low point of the vent system and provide a drip leg with a clean out cap as shown in Figure 6 1 When the vent passes through a combustible wall or floor a metal thimble 4 inches greater than the vent diameter is necessary If there is 6 feet or more of vent pipe in the open space between the appliance and where the vent pipe passes through the wall or floor the thimble need only be 2 inches greater than the diameter of the vent pipe If a Table 5 1 ANSI Venting Requirements Appliance Category Venting Description Requirements Negative vent pressure Non condensing Follow standard venting requirements Condensate must be drained Negative vent pressure Condensing Positive vent pressure Non condensing Vent must be gastight 11 12 Positive vent pressure Condensing Vent must be liquid and gastight Condensate must be drained thimble is not used all combustible material must be cut away to provide 6 inches of c
30. d that shown on the serial plate Measuring the manifold pressure is done at the outlet pressure tap of the gas valve See Figure 10 2 To Adjust the Manifold Pressure 1 Move the field installed manual shut off valve to the OFF position 2 Remove the 1 8 pipe plug in the pipe tee or gas valve and attach a water manometer of U tube type which is at least 12 high 3 Move the field installed manual gas shut off valve to the ON position 4 Create a high fire call for heat from the thermostat 5 Determine the correct high fire manifold pressure For natural gas 3 5 W C for propane gas 10 W C Adjust the main gas pressure regulator spring to achieve the proper manifold pressure for location see the combination gas control literature supplied with unit 6 After adjustment move the field installed manual shut off valve to the OFF position and replace the 1 8 pipe plug 7 After the plug is in place move the field installed manual shut off valve to the ON position and recheck pipe plugs for gas leaks with soap solution 10 Figure 10 2 Typical Combination Gas Control GAS CONTROL KNOB PRESSURE REGULATOR ADJUSTMENT SCREW UNDER CAP SCREW INLET PRESSURE TA OUTLET PRESSURE TAP INLET PILOT TUBING CONNECTION PILOT ADJUSTMENT SCREW RESET BUTTON Burner Flame Adjustment Proper operation provides a soft blue flame with a well defined inner core A lack of pr
31. ded WILL result in death or serious injury 1 To prevent premature heat exchanger failure do not locate ANY gas fired appliances in areas where corrosive vapors i e chlorinated halogenated or acid are present in the atmosphere IMPORTANT 2 WARNING Indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury 3 CAUTION Indicates a potentially hazardous situation which 2 Do not attempt to attach ductwork of any kind to propeller if not avoided MAY result in minor or moderate injury models 4 IMPORTANT Indicates a situation which if not avoided 3 Start up and adjustment procedures should be performed by a qualified service agency 4 To check most of the Possible Remedies in the trouble A DANG ER shooting guide listed in Table 29 1 refer to the applicable sections of the manual Appliances must not be installed where they may be exposed 5 To prevent premature heat exchanger failure the input to to a potentially explosive or flammable atmosphere the appliance as indicated on the serial plate must not exceed the rated input by more than 5 A WARN I N G Table of Contents MAY result in a potential safety concern 1 Gas fired heating equipment must be vented do not Inspection on Arrival 1 operate unvented Special Precautions 2 2 A built in power exhauster is provided additional extern
32. es some sound and vibration that may require attenuation Libraries private offices and hospital facilities will require more attenuation and in such cases an acoustical consultant may be retained to assist in the application Locating the equipment away from the critical area is desirable within ducting limitations Generally a unit should be located within 15 feet of a primary support beam Smaller deflections typically result in reduced vibration and noise transmission UNIT LIFTING All standard units are shipped fully boxed Larger units are also supplied with skid supports on the bottom of the box The larger units may be lifted from the bottom by means of a fork lift or other lifting device only if the shipping support skids are left in place and the forks support the whole depth of the unit If the unit must be lifted from the bottom for final installation without the carton in place be sure to properly support the unit over its entire length and width to prevent damage When lifting units make sure the load is balanced UNIT SUSPENSION Be sure the method of unit suspension is adequate to support the weight of the unit see Weights for base unit and factory installed option weights For proper operation the unit must be installed in a level horizontal position Combustible material and service clearances as specified in Figure 3 1 and Tables 3 2 and 3 3 must be strictly maintained To assure that flames are directed into the ce
33. essure from the building main to the unit The inlet pressure to the unit must be 6 7 W C for natural gas and 11 14 W C for propane gas When sizing the inlet gas pipe diameter make sure that the unit supply pressure can be met after the 0 3 W C has been subtracted If the 0 3 W C pressure drop is too high refer to the Gas Engineer s Handbook for other gas pipe capacities 3 Install a ground joint union with brass seat and a manual shut off valve adjacent to the unit for emergency shut off and easy servicing of controls including a 1 8 NPT plugged tapping accessible for test gauge connection See Figure 7 1 4 Provide a sediment trap before each unit and in the line where low spots cannot be avoided See Figure 7 1 5 When Pressure Leak testing pressures above 14 W C 1 2 psi close the field installed shut off valve disconnect the appliance and its combination gas control from the gas supply line and plug the supply line before testing When testing pressures 14 W C 1 2 psi or below close the manual shut off valve on the appliance before testing Figure 7 1 Recommended Sediment Trap Manual Shut off Valve Installation Side or Bottom Gas Connection GAS SUPPLY LINE GROUND E JOINT UNION W BRASS MANUAL GAS SEAT i SHUT OFF VALVE GAS M SUPPLY LINE ae ow UN pluaaep CONTROLS 4 4 1 8 NPT
34. from Table 5 1 in addition to those listed below From Table 15 1 select the size of vent pipe that fits the flue outlet for the unit Do not use a vent pipe smaller than the size of the outlet or vent transition of the appliance The pipe should be suitable corrosion resistant material Follow the National Fuel Gas Code for minimum thickness and composition of vent material The minimum thickness for connectors varies depending on the pipe diameter For Category vent systems limit length of horizontal runs to 75 of vertical height Install with a minimum upward slope from unit of 1 4 inch per foot and suspend securely from overhead structure at points no greater than 3 feet apart For best venting put vertical vent as close to the unit as possible A minimum of 12 straight pipe is recommended from the power exhauster outlet before turns in the vent system Fasten individual lengths of vent together with at least three corrosion resistant sheet metal screws It is recommended that vent pipes be fitted with a tee with a drip leg and a clean out cap to prevent any moisture in the vent pipe from entering the unit The drip leg should be inspected and cleaned out periodically during the heating season The National Fuel Gas Code requires a minimum clearance of 6 inches from combustible materials for single wall vent pipe The minimum distance from combustible materials is based on the combustible material surface not exceeding 160 F Clear
35. gas supply during normal operation refer to the Not Enough Heat section of Service amp Troubleshooting Figure 18 1 Wavering Flame or Misalignment GOOD BAD ay 18 Figure 18 3 Floating Flame Condition Flame Rollout Appearance Figure 18 4 aw RATING PLATE IDENTIFICATION Figure 19 1 Serial Number Designations Figure 19 2 Model Number Designations 01 12 101 10 97 PDP 150A E M 01 30 MOTOR SUPPLIER CODE Control Code 01 Century 30 Complete Control Code 05 Universal YEAR OF PDP Propeller are shown on s E E Unit FAN OR BLOWER 98 1998 BDP Blower SUPPLIER CODE etc Unit a B cd Power Code er ee Input 01 Complete Power Code WEEK OF descriptions SERIES IDENTITY NUMBER MANUFACTURE 150 150 000 Btu hr input 02 are shown on page 25 Identifies which series of controls 10 10 week of 1997 175 175 000 Btu hr input etc were furnished on the unit 25 25 week of 1997 250 250 000 Btu hr input etc etc M Unit is equipped with 2 stage or mechanical modulation Heat Exchanger A Aluminized S Stainless Steel Ignition Type A Standing Pilot E Intermittent Pilot Figure 19 3 Serial Plate Modine Manufacturing Company UNIT HEATER FOR INDUSTRIAL COMMERCIAL USE 1 Md 4 Ia VINA THAN AEROTHERME POUR USAGE INDUSTRIEL COMERCIAL 054 wow wor PDP200AA0111 Dei CIF
36. he wings or engine enclosure of the the highest aircraft housed in the hangar and in accordance with the requirements of the enforcing authority and or NFPA No 409 Latest Edition Figure 3 1 Combustible Material and Service Clearances CFM 0 028 m min psig 27 7 UNIT LOCATION A DANGER Appliances must not be installed where they may be exposed to a potentially explosive or flammable atmosphere IMPORTANT To prevent premature heat exchanger failure do not locate ANY gas fired appliances in areas where corrosive vapors i e chlorinated halogenated or acid are present in the atmosphere Location Recommendations 1 When locating the furnace consider general space and heating requirements availability of gas and electrical supply and proximity to vent locations 2 Avoid installing units in extremely drafty locations Drafts can cause burner flames to impinge on heat exchangers which shortens life Maintain separation between units so discharge from one unit will not be directed into the inlet of another 3 Be sure the structural support at the unit location site is adequate to support the weight of the unit For proper operation the unit must be installed in a level horizontal position 4 Do not install units in locations where the flue products can be drawn into the adjacent building openings such as windows fresh air intakes etc 5 Be sure that the minimum clearances to comb
37. imary air will reveal soft yellow tipped flames Excess primary air produces short well defined flames with a tendency to lift off the burner ports For both natural and propane gas the flame may be adjusted by sliding the manifold Also for propane gas the air shutters can be adjusted to control the burner flame height The air shutters can be accessed by lowering the bottom pan of the unit heater Natural Gas Flame Control Control of burner flames on unit heaters utilizing natural gas is achieved by resetting the manifold position to either increase or decrease primary combustion air Prior to flame adjustment operate unit heater for about fifteen minutes The main burner flame can be viewed after loosening and pushing aside the gas designation disc on the back of the unit To increase primary air loosen the manifold mounting screws and move the manifold away from the burner until the yellow tipped flames disappear see figure 11 1 To decrease primary air move manifold closer to the burner until flames no longer lift from burner ports but being careful not to cause yellow tipping Retighten manifold mounting screws after adjustment Propane Gas Flame Control An optimum flame will show a slight yellow tip Prior to flame adjustment operate furnace for at least fifteen minutes Loosen air shutter set screws and move the air shutters away from the manifold to reduce the primary air until the yellow flame tips appear see figure 11
38. ke sure no damage has occurred during installation 10 Check that all horizontal deflector blades are open a minimum of 30 as measured from vertical 11 Turn on power to the unit at the disconnect switch Check to insure that the voltage between appliance electrical box terminals T1 and G is 24V 12 Check the thermostat ignition control gas valve and supply fan blower motor for electrical operation If these do not function recheck the wiring diagram Check to insure that none of the Control Options have tripped 13 Check the blower wheel for proper direction of rotation when compared to the air flow direction arrow on the blower housing if applicable Blower wheel rotation not air movement must be checked as some air will be delivered through the unit with the blower wheel running backwards 14 For blower units check the blower speed rpm Refer to Blower Adjustments for modification 15 Check the motor speed rpm 16 Check the motor voltage On three phase systems check to make sure all legs are in balance 17 Check the motor amp draw to make sure it does not exceed the motor nameplate rating On three phase systems check all legs to insure system is balanced 18 Recheck the gas supply pressure at the field installed manual shut off valve The minimum inlet pressure should be 6 W C on natural gas and 11 W C on propane gas The maximum inlet pressure for either gas is 14 W C If inlet pressure exceeds
39. lding codes or in the absence of local codes with the National Electric Code ANSI NFPA 70 Latest Edition Unit must be electrically grounded in conformance to this code In Canada wiring must comply with CSA C22 1 Part 1 Electrical Code 2 Two copies of the unit wiring diagram are provided with each unit One is located in the electrical junction box and the other is suppled in the literature packet Refer to this diagram for all wiring connections 3 Make sure all multi voltage components motors transformers etc are wired in accordance with the power supply voltage 4 The power supply to the unit must be protected with a fused or circuit breaker switch The power supply must be within 10 percent of the voltage rating and each phase must be balanced within 2 percent of each other If not advise the utility company External electrical service connections that must be installed include a Supply power connection 120 208 240 480 or 600 volts b Connection of thermostats summer winter switches or any other accessory control devices that may be supplied 24 volts NOTE Propeller units supplied with 460 575 power will require the use of a field step down transformer Refer to the serial plate to determine the unit supply voltage required Additional information may be found in table 16 1 and in the step down transformer installation instructions T Refer to Figure 15 1 for the electric
40. learance Any material used to close the opening must be noncombustible Do NOT use dampers or other devices in the vent pipes Precautions must be taken to prevent degradation of building materials by flue products For category vent systems the outlet of the vent should extend as shown in Figure 6 1 and Table 5 2 if the following conditions are met Vent diameter is less than 12 inches vent is of double wall construction and is a listed product and the vent does not terminate within 2 of a vertical wall or similar obstruction For vents that have a diameter of 12 inches or larger constructed of single wall or terminate within 2 of a vertical wall or similar obstruction the vent pipe shall extend at least 2 higher than any portion of a building within a horizontal distance of 10 refer to Figure 6 2 Use a listed vent terminal to reduce downdrafts and moisture in vent Table 5 2 Minimum Height from Roof to Lowest Discharge Opening Rise Roof Pitch Min Height X in H ft Flat to 6 12 6 12 to 7 12 7 12 to 8 12 8 12 to 9 12 9 12 to 10 12 10 12 to 11 12 11 12 to 12 12 12 12 to 14 12 14 12 to 16 12 16 12 to 18 12 18 12 to 20 12 20 12 to 21 12 Size according to expected snow depth 13 14 15 16 17 18 For instructions on common venting refer to the National Fuel Gas Code The vent must terminate no less than 5 above the
41. ll begin again After three cycles some ignition controllers lockout for approximately one hour before the cycle begins again This will continue indefinitely until the pilot flame is sensed or power is interrupted to the system Refer to table 14 1 for control code descriptions NOTE Gas Control Options could change the listed sequence of operation based on their function The descriptions given are for the basic unit heater Single Stage Gas Controls standing pilot Utilizes a single stage combination gas control with a standing pilot operator and a single stage low voltage thermostat 1 Pilot is lit continuously 2 The thermostat calls for heat 3 The power exhauster relay is energized starting the power exhauster motor Once the motor has reached full speed the differential pressure switch closes 4 The main gas valve is opened and the main burner is lit to 100 full fire 5 The air mover starts after 30 to 90 seconds 6 Theunit continues to operate until the thermostat is satisfied at which time the main valve closes 100 7 The air mover stops after 30 to 90 seconds Single Stage Gas Controls intermittent pilot Utilizes a single stage combination gas an ignition control and a single stage low voltage thermostat 1 The thermostat calls for heat 2 The power exhauster relay is energized starting the power exhauster motor Once the motor has reached full speed the differential pressure switch closes
42. main burner orifices see for Manifold Assembly Removal 4 The heat exchanger Clean tubes from the bottom with a stiff non wire brush 5 The heat exchanger should be checked annually for cracks and discoloration of the tubes If a crack is detected the heat exchanger should be replaced before the unit is put back into service If the tubes are dark gray airflow across the heat exchanger should be checked to insure that a blockage has not occurred or the blower is operating properly Electrical Wiring The electrical wiring should be checked annually for loose connections or deteriorated insulation Gas Piping amp Controls The gas valves and piping should be checked annually for general cleanliness and tightness The gas controls should be checked to insure that the unit is operating properly Propeller Assembly Check the motor for lubrication if the motor is not perminatly lubricated Inspect the fan for damage and fit on motor shaft Clean any dust dirt or foreign matter from the fan blades Manifold Assembly Removal To remove the manifold 1 Shut off gas and electric supply 2 Lower bottom pan to expose burner and manifold see fig 11 1 3 Disconnect pilot tubing and thermocouple lead or ignition cable at the combination gas control and ignition control 4 Disconnect control wires for the combination gas control 5 Disconnect gas manifold at ground union joint 6 Remove the two screws holding the
43. manifold to the heat exchanger support 7 Clean the orifices and adjust the air shutters as necessary 8 Follow steps 2 6 in reverse order to install the manifold assembly 9 Turn on the electric and gas supply 16 10 Check the ground union joint for leaks with a soap solution Tighten if necessary Burner and Pilot Assembly Removal To remove the burner 1 2 Shut off gas and electric supply Lower bottom pan to expose burner and manifold see fig 11 1 Disconnect pilot tubing and thermocouple lead or ignition cable at the combination gas control and ignition control Remove the two burner retaining pins holding the burner in place The burner can then be easily lowered from the unit Examine the burner and pilot assembly for cleanliness and or obstructions as necessary see General Unit for cleaning instructions Replace the burner assembly in reverse order In replacing the burner be certain that the slots at the front of the burner are located properly on their shoulder rivets and that the burner retaining pins are put back into their proper locations Reconnect the ignition cable and pilot gas supply line Turn on the electric and gas supply SERVICE amp TROUBLESHOOTING A WARNING When servicing or repairing this equipment use only factory approved service replacement parts complete replacement which have been wet Replace defective controller A CAUTION Do not attempt t
44. nter of the heat exchanger tubes the unit must be level in a horizontal position Use a spirit level to ensure that the unit is suspended correctly The most common method of suspending Modine gas unit heaters is to utilize 3 8 threaded rod On each piece of threaded rod used screw a nut a distance of about one inch onto the end of the threaded rods that will be screwed into the unit heater Then place a washer over the end of the threaded rod and screw the threaded rod into the unit heater weld nuts on the top of the heater at least 5 turns and no more than 10 turns Tighten the nut first installed onto the threaded rod to prevent the rod from turning Drill holes into a steel channel or angle iron at the same centerline dimensions as the heater that is being installed The steel channels or angle iron pieces need to span and be fastened to appropriate structural members Cut the threaded rods to the preferred length place them through the holes in the steel channel or angle iron and secure with washers and lock nuts or lock washers and nuts A double nut arrangement can be used here instead of at the unit heater a double nut can be used both places but is not necessary Do not install standard unit heaters above the maximum mounting height shown in table 14 1 On all propeller units except sizes 350 and 400 two tapped holes 3 8 16 are located in the top of the unit to receive threaded rods Units with two point suspension sizes 30
45. o reuse any mechanical or electrical controllers parts list may be obtained by contacting Modine Manufacturing Company Refer to the rating plate on the appliance for complete appliance model number serial number and company address Any substitution of parts or controls not approved by the factory will be at the owner s risk manual IMPORTANT To check most of the Possible Remedies in the troubleshooting guide listed in Table 17 1 refer to the applicable sections of the Table 17 1 Troubleshooting Trouble Possible Cause Pilot does not light Main gas is off Power supply is off Air in gas line Dirt in pilot orifice Gas pressure out of proper range Pilot valve does not open a Defective ignition controller b Defective gas valve No Spark at ignitor a Loose wire connections b Pilot sensor is grounded c Defective ignition controller Safety device has cut power Pilot valve is off Dirty thermocouple contact Excessive drafts Pilot orifice Fitting leak Defective valve Loose wiring Defective pilot sensor Defective ignition controller Improper thermostat wiring Main burners do not light Pilot is lit Lifting Flames See Figure 18 2 Too much primary air Main pressure set too high BLA PONS Orifice too large Yellow Tipping With propane gas some yellow tipping is always present Insufficient primary air Dirty orifice Misaligned orifice
46. on 60 F 30 Hg 91 500 BTU Gal In Canada refer to rating plate on side of unit for orifices at high altitude Figure 11 1 Manifold Adjustment Natural Gas MANIFOLD MAIN BURNER ORIFICES MANIFOLD MOUNTING SCREW AND PIN Figure 11 2 Air Shutter Adjustment Propane Gas MAIN BURNER ORIFICES MANIFOLD AIR SHUTTER Control Operating Sequence Unit heaters are supplied with standing pilot control systems as standard or intermittent pilot systems with continuous retry as an option On standing pilot and mechanical modulation systems the main burner is turned off 100 when the thermostat is satisfied but the pilot remains lit For intermittent pilot systems except mechanical modulation both the main burner and pilot burner are turned off 100 when the thermostat is satisfied Standing pilot systems for both natural and propane gas have a manually lit pilot which stays lit until the gas valve is manually turned to the off position On a call for heat the gas valve opens sending gas to the burner allowing the unit to fire Intermittent pilot systems for both natural and propane gas the ignition controller is 10096 shut off with continuous retry On a call for heat the system will attempt to light the pilot for 70 seconds If the pilot is not sensed for any reason the ignition control will wait for approximately six minutes with the combination gas control closed and no spark After six minutes the cycle wi
47. opened completely and the main burner is lit to 100 full fire The unit continues to operate until the high stage of the thermostat is satisfied at which time the main valve closes to 50 fire 10 The air mover stops after 30 to 90 seconds Thermostat Voltage Service Voltage Control Single Stage Standing Pilot 100 Shut Off Utilizes a single stage combination gas 115V natural control and thermocouple Pilot needs to be manually lit initially and stays lit 200 230V natural 115V propane 200 230V propane Single Stage Intermittent Pilot Ignition 10096 Shut Off with Continuous Retry Utilizes a 115V natural single stage combination gas control and an ignition control continuous retry Pilot is automatically lit on call for heat 200 230V natural 115V propane 200 230V propane Two Stage Intermittent Pilot Ignition 100 Shut Off with Continuous Retry Utilizes a two stage combination gas control which fires at 50 or 100 of full rated input and an ignition control continuous retry Pilot is automatically lit only on call for heat Available on 115V model sizes 50 400 115V natura 200 230V propane 200 230V Propane Mechanical Modulation with Automatic Pilot Ignition 100 Shut Off with Continuous Retry Utilizes a modulating combination gas control and an ignition control continuous retry Pilot is automatically lit whenever there is power to the unit Modulation range i
48. ricted venting of flue products This restriction may occur due to an improper vent diameter long vent runs un approved vent terminal high winds high negative pressure within space etc After the cause of the restriction has been corrected the pressure switch will reset automatically See trouble shooting section for more information 8 Power Exhauster STD All power vented unit heaters are supplied with a round vent pipe connection Some models may require the use of a vent transition from the power exhauster outlet to the vent pipe See table 6 1 The power exhauster may be rotated 180 to allow for various venting directions Factory Installed Transformer Additional Field Installed Transformers 115 to 24 none 115 11 25 30 59 63 81 83 85 87 89 115 to 24 208V to 115V 200 208 12 26 31 60 64 82 84 86 88 90 200 208 to 24 none 115 11 25 30 59 63 81 83 85 87 89 115 to 24 208V to 115V 115 11 25 30 59 63 81 83 85 87 89 115 to 24 208 to 115V 230 12 26 31 60 64 82 84 86 88 90 230 to 24 none 115 11 25 30 59 63 81 83 85 87 89 115 to 24 230V to 115V 115 11 25 30 59 63 81 83 85 87 89 115 to 24 460 to 115V oo 115 11 25 30 59 63 81 83 85 87 89 115 to 24 575 to 115V Atransformer may not be required 115V 1 power may be obtained from the following electrical distribution systems 230 16 3 wire 230 30 4 wire 208 30 4
49. rner on locator pins Replace heat exchanger 17 SERVICE amp TROUBLESHOOTING Trouble Flashback Floating Flames See Figure 18 3 Flame Rollout See Figure 18 4 Not Enough Heat Too Much Heat Automatic Reset High Limit The unit heater comes standard with an automatic reset high Possible Cause Too much primary air Main pressure set too high Orifice too large Insufficient primary air Main pressure set too high Orifice too large Blocked vent Main pressure set too high Orifice too large Blocked vent Unit cycling on high limit a Obstructions leaks in duct system b Main pressure set too high c Blower motor not energized Loose belt Blower speed too low Blocked damaged venting system g Air distribution baffle removed high temperature rise units only h Defective high limit switch Main pressure set too low Too much outside air Thermostat malfunction Gas controls wired incorrectly Unit undersized Thermostat malfunction Gas controls do not shut off a Gas controls wired incorrectly b Short circuit Main gas pressure set too high Defective gas valve Figure 18 2 Possible Remedy Reduce primary air Adjust to maximum of 14 W C Check orifice size with those listed on the serial plate Increase primary air Adjust to a maximum of 14 W C Check orifice size with those listed on the serial plate Clean correct venting system
50. s between 5096 and 115V 100 fire gas control shuts off below 50 fire Available on blower models only 12 115V natural 200 230V natural propane 200 230V propane OPTIONS Figure 13 1 Factory Mounted Option Location fL A n 8 0 0 0 0 0 units include the standard STD features The unit must be reviewed to determine the optional OPT features that may have been supplied with the unit 1 Gas Valve a Single Stage Gas Valve STD The main gas valve is factory installed on the unit heater gas train The main gas valve provides the pilot regulator main gas and manual shutoff functions For additional information see the supplier literature included with the unit b Two Stage Gas Valve OPT The two stage gas valve is factory installed on the unit heater gas train The two stage gas valve provides the pilot regulator main gas 100 and 50 fire and manual shutoff functions For additional information see the supplier literature included with the unit 2 Ignition controller OPT The ignition controller is factory installed on the back of the unit heater with the spark igniter and sensor located on the burner For both natural and propane gas units the ignition controller is
51. s too long or large it is possible that it may cause soot and or impinge on the heat exchanger causing failure If the pilot flame is shorter than shown it may cause poor ignition and result in the controls not opening the combination gas control A short flame can be caused by a dirty pilot orifice Pilot flame condition should be observed periodically to assure trouble free operation To Adjust the Pilot Flame 1 Create a call for heat from the thermostat Remove the cap from the pilot adjustment screw For location see the combination gas control literature supplied with unit Adjust the pilot length by turning the screw in or out to achieve a soft steady flame 3 4 to 1 long and encompassing 3 8 1 2 of the tip of the thermocouple or flame sensing rod See Figure 10 1 4 Replace the cap from the pilot adjustment screw o START UP PROCEDURE Figure 10 1 Correct Pilot Flame 3 4 to 1 Main Burner Adjustment The gas pressure regulator integral to the combination gas control is adjusted at the factory for average gas conditions It is important that gas be supplied to the unit heater in accordance with the input rating on the serial plate Actual input should be checked and necessary adjustments made after the unit heater is installed Over firing a result of too high an input reduces the life of the appliance and increases maintenance Under no circumstances should the input excee
52. t Infrared Heaters and Sheet Metal for all Seller s products BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY HEAT EXCHANGER CONDENSER OR BURNER WHICH SHALL WITHIN ONE YEAR FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN ONE YEAR FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN EIGHTEEN MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT WHEN THE PRODUCT IS TO BE USED BY BUYER AS A COMPONENT PART OF EQUIPMENT MANUFACTURED BY BUYER BUYER S REMEDY FOR BREACH AS LIMITED HEREIN SHALL BE LIMITED TO ONE YEAR FROM DATE OF SHIPMENT FROM SELLER Burners For Seller s Low Intensity Gas Fired Infrared Heaters BUYER S REMEDY FOR BREACH OF WARRANTY EXCLUSIVE OF ALL OTHER REMEDIES PROVIDED BY LAW IS LIMITED TO REPAIR OR REPLACEMENT AT THE FACTORY OF SELLER ANY BURNER WHICH SHALL WITHIN TWO YEARS FROM DATE OF FIRST BENEFICIAL USE BY BUYER OR ANY OTHER USER WITHIN TWO YEARS FROM DATE OF RESALE BY BUYER IN ANY UNCHANGED CONDITION OR WITHIN 30 MONTHS FROM DATE OF SHIPMENT FROM SELLER WHICHEVER OCCURS FIRST BE RETURNED TO SELLER WITH TRANSPORTATION CHARGES PREPAID AND WHICH THE EXAMINATION OF SELLER SHALL DISCLOSE TO HAVE BEEN DEFECTIVE EXCEPT THAT
53. tallation and service contactor or appropriate 2H73593 _ 73035 216338680 None 3H34721B15 5H 3095C2 19 WARRANTY Seller warrants its products to be free from defects in material and workmanship EXCLUSIVE HOWEVER of failures attributable to the use of materials substituted under emergency conditions for materials normally employed This warranty covers replacement of any parts furnished from the factory of Seller but does not cover labor of any kind and materials not furnished by Seller or any charges for any such labor or materials whether such labor materials or charges thereon are due to replacement of parts adjustments repairs or any other work done This warranty does not apply to any equipment which shall have been repaired or altered outside the factory of Seller in any way so as in the judgment of Seller to affect its stability nor which has been subjected to misuse negligence or operating conditions in excess of those for which such equipment was designed This warranty does not cover the effects of physical or chemical properties of water or steam or other liquids or gases used in the equipment BUYER AGREES THAT SELLER S WARRANTY OF ITS PRODUCTS TO BE FREE FROM DEFECT IN MATERIAL AND WORKMANSHIP AS LIMITED HEREIN SHALL BE IN LIEU OF AND EXCLUSIVE OF ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED WHETHER ARISING FROM LAW COURSE OF DEALING USAGE OF TRADE OR OTHERWISE THERE A
54. tated 180 To do this remove screws in vent colar rotate power exhauster replace screws Additional Requirements for Horizontally Vented Category Ill units 1 Seal the joints with a metallic tape or silastic suitable for temperatures up to 350 F 3M tapes433 or 363 are acceptable Wrap the tape two full turns around the vent pipe 2 Refer to Table 6 1 for total minimum and maximum vent lengths making the vent system as straight as possible Refer to Table 6 2 for equivalent vent lengths for elbows 3 The vent terminal must be a Gary Steel 1092 Breidert Type L Tjernlund VH1 sizes 150 400 only Starkap Selkirk or Constant Air Flo 2433 style terminal or equivalent 4 If a Gary Steel 1092 or Breidert Type L vent terminal or equivalent is used the vent must extend 6 inches beyond the exterior surface of an exterior wall as shown in Figure 7 2 Precautions must be taken to prevent degradation of building materials by flue products 5 Ifa Tjernlund VH1 or equivalent vent terminal is used the vent may be flush with the exterior surface of an exterior wall Precautions must be taken to prevent degradation of building materials by flue products Where the terminal is not available in the appropriate size for the unit to be installed use a transition and the next larger size terminal 6 Ifa Constant Air Flo Starkap Selkirk or equivalent vent terminal is used the vent must extend 12 inches beyond the exterior surface of an e
55. through 300 incorporate a level hanging feature Depending on what options and accessories are being used the heater may not hang level as received from the factory Do not hang heaters with deflector hoods until referring to the installation manual for deflector hoods and making the recommended preliminary adjustments on the heater These preliminary adjustments need to be made with the heater resting on the floor Propeller sizes 30 through 300 units without deflector hoods that do not hang level after being installed can be corrected in place Simply remove both outer side panels screws to remove are on back flange of side panel and you will see the adjustable mounting brackets Fig 4 1 Loosen the set screws holding the mounting brackets in place and using a rubber mallet or something similar tap the heater into a position where the unit hangs level Re tighten set screws and replace the outer side panels Propeller sizes 350 and 400 have four mounting holes On all blower units except the 350 and 400 two tapped holes are provided in the top of the unit and two holes in the blower support bracket The 350 and 400 have four tapped holes in the top of the unit and two in the blower support bracket for mounting NOTE A pipe hanger adapter kit shown in Figure 4 2 is available as an accessory One kit consists of two drilled 3 4 IPS pipe caps and two 3 8 13 x 1 3 4 capscrews to facilitate threaded pipe suspension Figure
56. tion on Arrival 1 Inspect unit upon arrival In case of damage report immediately to transportation company and your local Modine sales representative 2 Check rating plate on unit to verify that power supply meets available electric power at the point of installation 3 Inspect unit received for conformance with description of product ordered including specifications where applicable THIS MANUAL IS THE PROPERTY OF THE OWNER PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB SPECIAL PRECAUTIONS TABLE OF CONTENTS SPECIAL PRECAUTIONS THE INSTALLATION AND MAINTENANCE INSTRUCTIONS CAUTION IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE 1 Purging of air from gas supply line should be performed SAFE EFFICIENT AND TROUBLE FREE OPERATION as descrbed in ANSI 22234 latest edition National Fuel IN ADDITION PARTICULAR CARE MUST BE EXERCISED Gas Code or in Canada in CAN CGA B149 codes REGARDING THE SPECIAL PRECAUTIONS LISTED BELOW 2 Do not attempt to reuse any mechanical or electronic FAILURE TO PROPERLY ADDRESS THESE CRITICAL AREAS ignition controllers which has been wet Replace defective COULD RESULT IN PROPERTY DAMAGE OR LOSS controller PERSONAL INJURY OR DEATH THESE INSTRUCTIONS 2 Ensure tal the supr foliage ape fo rated ARE SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR voltage NATIONAL CODES HAZARD INTENSITY LEVELS 1 DANGER Indicates an imminently hazardous situation which if not avoi
57. ustible materials and recommended service clearances are maintained Units are designed for installation on non combustible surfaces with the minimum clearances shown in Figure 3 1 and Tables 3 2 and 3 3 6 Units exposed to inlet air temperatures of 40 F or less may experience condensation therefore provisions should be made for disposal of condensate 7 When locating units it is important to consider that the exhaust vent piping must be connected to the outside atmosphere 8 In garages or other sections of aircraft hangars such as offices and shops that communicate with areas used for servicing or storage keep the bottom of the unit at least 7 feet above the floor unless the unit is properly guarded to provide user protection from moving parts In parking garages the unit must be installed in accordance with the standard for parking structures ANSI NFPA 88 and in repair garages the standard for repair garages NFPA 88B In Canada installation of heaters in airplane hangars must be in accordance with the requirements of the enforcing authority and in public garages in accordance with the current CAN CGA B149 codes 9 Do notinstall units in locations where gas ignition system is exposed to water spray rain or dripping water 10 Do not install units below 7 feet measured from the bottom of the unit to the floor unless properly guarded to provide protection from moving parts Table 3 2 Combustible Materi
58. wire and 208 16 3 wire from 208V wye connected transformer Please consult the job site electrician to determine applicability 13 GENERAL PERFORMANCE DATA Table 14 1 Performance Propeller Models Standard Model Number PDP 100 PDP 125 PDP 150 PDP 175 200 PDP 250 PDP 300 350 PDP 400 Btu Hr Input 100 000 125 000 150 000 175 000 200 000 250 000 300 000 350 000 400 000 Btu Hr Output 80 000 100 000 120 000 140 000 160 000 200 000 240 000 280 000 320 000 Entering Airflow CFM 1460 1850 2180 2550 2870 3700 5440 Outlet Velocity 860 870 931 959 819 1053 1016 Air Temp Rise F 51 50 51 51 52 50 54 Max Mounting Hgt Ft 14 14 16 17 15 19 19 Heat Throw Ft Max Mtg Hgt 49 51 55 59 51 67 SP SP PSC PSC Psc Psc 115 60 1 PCO1 1 40 140 1 2 1 12 1 8 1 8 1 6 1 6 1 3 1 2 3 4 230 60 1 PCO2 1 40 1 40 1 8 1 8 1 8 1 8 1 6 1 6 1 8 1 2 3 4 200 208 60 1 PCO3 1 40 1 40 1 8 1 8 1 8 1 8 1 6 1 6 1 8 1 2 3 4 Table 14 2 Motor Data and Total Unit Power Requirements Propeller Models Unit Voltage 115 60 1 115 60 1 With Use of Transformer 208 60 1 230 60 1 Mtr Mtr Total Max IKVA Total KVA Total KVA Total KVA Total Total Max KA Mtr Total Max Amps Rpm Amps Watts Req Amps Req Amps Req Amps Amps Rpm Amps Watts RPM Amps 320 10 50 1 3 270 400 10 50 480 10 50 610 11 0
59. xterior wall Precautions must be taken to prevent degradation of building materials by flue products 7 The vent system shall terminate at least 3 feet above any forced air inlet except direct vent units located within 10 feet and at least 4 feet below 4 feet horizontally from or 1 foot above any door window or gravity air inlet into any building The bottom of the vent terminal shall be located above the snow line or at least 1 foot above grade whichever is greater When located adjacent to public walkways the vent system shall terminate not less than 7 feet above grade 8 The venting system must be exclusive to a single unit and no other unit is allowed to be vented into it INSTALLATION Figure 7 1 Vent Construction Through Combustible Walls FIBER GLASS INSULATION MIN 2 VENT TERMINATION SUPPORT BRACKET where required Make from 1 x 1 steel angle Figure 7 2 Horizontal Venting Breidert or Gary Steel Vent Terminal PITCH VENT PIPE DOWNWARD FROM UNIT 1 4 PER FOOT BREIDERT TYPEL OR GARY STEEL MODEL 1092 TERMINAL POWER EXHAUSTER P WITH DRIP LEG AND CLEANOUT CAP AT LOW POINT OF VENT SYSTEM Gas Connections 1 All field gas piping must be pressure leak tested prior to operation Never use an open flame Use a soap solution or equivalent for testing 2 Gas pressure to appliance controls must never exceed 14 W C 1 2 psi 3 To reduce
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