Modine CUH Installer`s Guide - H
Contents
1. Figure 10 3 Model CW Permalap Frame IKK IN 10 100 Air Inlet or Outlet Duct Collars Table 10 2 Options 124 125 134 135 and 137 Model C 25 and 100 Fresh Air Duct Collar Outside Air Percentage 25 100 Options 124 134 and 137 Options 125 and 135 Unit Size D All dimensions are in inches Includes 3 4 top and bottom duct flanges for duct connection MAINTENANCE SERVICE 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 scheduled based on the environment in which the unit is installed and the frequency of the equipment operation Motors A Cleaning Remove grease and dirt on motor during each inspection or lubrication Open frame motors should be blown clean every heating season or whenever coils are cleaned whichever is sooner B Lubrication 1 Lubricate motor according to manufacturer s instructions located on the motor 2 When no motor oiling instructions are on the motor oil the motor every two thousand hours of operation with SAE20 non detergent motor oil for units in normal applications Adjust oiling according to usage and atmosphere 3 Some motors do not have oil fittings These motors are lubricated for long life and do not requi2. Standard Air Flow Ceiling Mounted Inverted Air Flow Wall Mounted Maximum mounting height and corresponding heat throw of heaters operating at standard conditions 2 Ibs steam 220 F entering water 60 entering air Table 4 3 Maximum Mounting Heights Correction Factors These correction factors are to be used as multipliers to correct the maximum recommended mounting heights or heat throw T of cabinet unit heaters when operated with steam pressures other than 2 pounds or with water at other than entering temperature of 220 F 13 Steam Pressure 2 5 10 a 0025 iv 150 160 170 180 190 200 210 220 230 240 AVERAGE WATER TEMP F CORRECTION FACTOR R OPERATION 1 Make sure fuses are installed in fused disconnect switches 2 Check all electrical connections to assure they are secure 3 Check rigidity of unit mounting Tighten all fasteners if necessary 4 Inspect piping strainers traps fittings etc Initial Start Up 1 Set thermostat to lowest position 2 Turn on power supply to unit 3 Open return gate valve and then open supply gate valve to unit 4 Raise thermostat setting to desired position 5 Adjust louvers if provided for desired heat distribution 6 To insure proper sequence of operation cycle unit on
3. TP MODINE SP Floor Model C Sizes 2 thru 14 Wall or Ceiling Model CW Sizes 2 thru 14 11 500 4 5H73211A1 Rev C March 2005 INSTALLATION AND SERVICE MANUAL steam hot water cabinet unit heaters Wall or Ceiling Recessed Model CW Sizes 2 thru 14 Contents General Information sene Special SI Metric Conversion Unit Location MD S Installation ie ee A ean oo ees Uniti MOUNTING 43 eode ore ete hey PIpirig eure A is Mounting Height and Heater Throw Operation ERR 4 Prior to Operation Henn tae tette 4 Initial Start up icone erts 4 Automatic Control 4 Air Flow Arrangement ssssseeeeemm een 5 Controls and Features 6 Specifications i ds a etc nacre etur sos 7 Dimensional Motor Data eene 8 Floor Model Cited A reet reat ede eto ge ics 8 Wall or Ceiling Model 9 Dimensional Data Accessories Options 10 Outside Air Wall Box 10 Duct Collars uei nete ede 10 Maintenance 11 SGIVICO hives Ge eee 11 Warranly 5 ide tI REGIA Back Page IM
4. 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 ARE 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
5. 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 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 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 B
6. 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 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 B
7. Standard solid state speed control offers infinite speed control between high and low speed CFM When dampers are specified indicate one of the following 1 These dampers shall be controlled from the end pocket with a manual control assembly that indicates the open and closed positions 2 The damper shall be controlled by an electric spring return type motor which will be energized when the blower motor is turned on thus moving the damper to the 25 or 100 position It will be de energized and close the damper when the blower motor is off Motors Blowers and Drives Blowers shall be of the centrifugal forward curved type to provide even air distribution and low sound level All units shall have shaded pole permanent split capacitor available when specified as optional equipment direct drive motors The motor and blower assembly shall be capable of being easily removed from the unit Motors are built for continuous duty to NEMA standards Grilles optional equipment When specified aluminum linear bar inlet and or outlet grilles shall be provided When specified outlet grilles may have two way deflection louvers Filters All air both fresh and return shall be filtered by a cleanable expanded aluminum filter DIMENSIONAL MOTOR DATA Floor Mounted ACCESS ACCESS Figure 8 1 DOOR DOOR Floor Model C Sizes 2 14 i
8. Steam Hot Water Cabinet Unit Heaters ah COIL CONNECTIONS B SIZES 2 6 34 NPT FOR STANDARD COIL 5 D SWEAT FOR TWO ROW COIL 020 0 SIZES 8 14 1 NPT ONE OR TWO ROW COIL SPEED CONTROL L gt AND J BOX gt lt The MOUNTING HOLES SIZES 8 14 ONLY mem m i 3 Jo Optional Outlet m 4 11 li SPEED Y wo CONTROL 9 A AND J BOX 29 4 j 2 1 PEG LB IT N I M SIZES 2 6 4 X Jo SLOTTED Y MOUNTING EJ N HOLES IN f f 1 REAR E 5 5 ir FILTER FLANGE AIR INLET 2S Ae pe A NOTE Left hand piping is standard right hand piping available when specified Bottoms of end compartments are open for piping and electrical access Table 8 1 Table 8 2 Cabinet Dimensions inches Filter Dimensions inches Approx Shipping Weight Ibs 5 5 5 5 Filters are permanent cleanable 7 7 7 Table 8 3 Table 8 4 Coil Connection Dimensions inches Motor Ratings 115 volts 60hz 10 Standard PSC Motor High Static Motor Option 140 Motor option 141 2 thru 6 22 1 2 7 3 8 15 1 4 2 3 8 Total Amps Total Amps HP Total Amps 8 thru 14 25 5 8 9 1 4 18 1 5 8 DIMENSIONAL MOTOR DATA Exposed or Recessed Wall Ceiling Mounted Figure 9 1 Wall or Ceiling Model CW Sizes 2 14 Steam Hot Water Cabinet Unit Heaters COIL CONNECTIONS SI
9. and off a few times by raising and lowering thermostat setting 7 Check for proper rotation of fan See dimensional drawings on page 8 or 9 for indication of fan rotation Automatic Control Operations Install one of the following operating systems for continuous automatic control Intermittent Fan Operation Hot Coil A room thermostat starts and stops the fan motor An aquastat is sometimes strapped to the return piping to prevent fan operation when heat is not being supplied to the unit heater Continuous Fan Operation Intermittent Hot Cold Coil A room thermostat controls a valve which opens to allow steam or hot water to supply the unit and closes to shut off the supply when the thermostat is satisfied INSTALLATION AIR FLOW ARRANGEMENTS Figure 5 1 Standard Air Flow Floor Mounted Model C Model C Model C Arrangement 06 Arrangement 08 Arrangement 06 Arrangement 08 with Fresh with Fresh Air Option Air Option Refer to Option Refer to Option Wall Mounted Descriptions Descriptions d CW Model CW Cw Model CW Arrangement 00 Arrangement 06 Arrangement 07 Arrangement 08 Ceiling Mounted EC P Bou eae Model CW Model CW Model CW Model CW Arrangement 50 Arrangement 56 Arrangement 57 Arrangement 58 Recessed Floor Recessed Wall Recessed Ceiling ie Model CW Model CW Model CW Arrangement 08 Arrangement 08 Arrangement 58 Figure 5 2 Inverted Air Flow Floor Mounted
10. location Hinged result in injury to the installer or user For deviations contact cabinet doors may be removed to facilitate unit installation the factory 2 Fasten floor or wall mounted unit to wall studs through the four mounting holes in the back of the unit For ceiling 1 Installation of wiring must conform with local building mounted units sizes 2 6 suspend four 1 4 threaded hanger codes or in the absence of local codes with the National studs from ceiling joists to match mounting holes in back of Electric Code ANSI NFPA 70 Latest Edition Unit must unit and fasten with lockwashers and hex nuts For sizes 8 be electrically grounded in conformance to this code In 14 use a 3 8 threaded rod Canada wiring must comply with CSA C22 1 Electrical Code Perma Lap Frames A Perma Lap frame see Figure 10 3 on page 10 provides a finished appearance to a recessed wall or ceiling cabinet unit heater The installation is easy and assures a perfect fit by neatly framing the heater and covering any irregularities between the heater and the opening in the wall or ceiling Because the bond between wall or ceiling surfaces and the 2 Electric wiring must be sized to carry the full load amp draw of the motor and any controls that are used with the unit heater Overcurrent protectors should be sized based on motor current rating shown on the unit serial plate and applicable national electric code procedures All units are provided wit
11. type access doors standard on model C units UNIT MECHANICAL SPECIFICATIONS Table 7 1 Unit Data Specifications Coil Standard 1 Row Face Area Ft2 High Capacity 2 Row Face Area Ft 2 1 3 1 6 2 3 1 5 1 8 2 7 0 1 1 1 3 4 NPT 5 8 ID Sweat 3 4 NPT 5 8 ID Sweat 3 4 NPT 5 8 ID Sweat 3 4 NPT 5 8 ID Sweat Standard Coil Connections High Capacity Coil Connections Blowers Direct Drive 2 5 1 4x7 2 5 3 4x7 3 5 3 4x7 3 5 3 4x7 4 5 3 4 7 4 5 3 4 7 No Dia x Width Inches 1 5 1 4x 1 5 3 Ax 7 High Speed Rpm 1050 1050 Low Speed Rpm D 625 625 High CFM 250 330 Low CFM 150 195 Motor HP 1 30 1 30 Volts Phase Hertz 115 1 60 115 1 60 Amps Standard Shaded Pole Motors 1 7 1 7 Amps Option 140 PSC Motor af 7 Amps Option 141 High Static Motor 4 6 46 115 1 60 1050 1050 1050 1050 1050 1050 625 625 625 625 625 625 450 620 840 1050 1240 1430 270 370 545 685 805 930 1 20 1 20 1 30 1 20 1 30 1 20 1 20 1 20 115 1 60 115 1 60 115 1 60 115 1 60 115 1 60 2 37 2 37 4 07 4 07 4 74 4 74 1 05 1 05 1 75 1 75 2 10 2 10 4 6 4 6 9 2 9 2 9 2 9 2 Shipping Weight Lbs 80 90 Model CW 90 100 Sizes 2 6 have one motor Sizes 8 14 have two motors Unit Mechanical Specifications Cabinet Floor models shall be provided with stamped louvers and a one inch high dust barrier at the bottom The cabinet shall be 18 gauge steel with 16 gauge front pan
12. Model CW Model CW Arrangement 96 Arrangement 98 Wall Mounted Model CW Model CW Arrangement 90 Arrangement 97 Model CW Model CW Arrangement 96 Arrangement 98 Recessed Floor Recessed Wall Model CW Model CW Arrangement 98 Arrangement 98 Figure 5 3 Model Nomenclature CW 0 6 Model Type Floor Unit CW Exposed Recessed or Ceiling Unit Arrangement 0 Wall or Floor 5 Ceiling 9 Inverted frame available for recessed units Airflow Direction 0 Bottom in Top Out 6 Front In Top Out 7 Bottom In Front Out 8 Front In Front Out CONTROLS AND FEATURES Figure 6 1 Controls and Features Oo ooo One Piece Cabinet and Sides Cabinet top and sides are formed from a single sheet of 18 gauge steel reducing the number of parting lines common to multi piece construction Fronts are 16 gauge All louvers are stamped as standard Wrap Around Partitions and Back Sheet Inner partition panels and back sheet are die formed from a single sheet of 18 gauge steel This assures precision fit and alignment of all internal components and maximum cabinet rigidity All Welded Construction Cabinet unit heaters utilize five to eight structural components in the basic cabinet The components are fixture aligned and welded Cabinet End Pockets The two cabinet end pockets provide ample space for convenient installation of piping and e
13. NG 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 SUSTAINED BY THE BUYER Modine Manufacturing Company has a continuous product improvement program it reserves the right to change design and specifications without notice pn MODINE Modine Manufacturing Company 2005 Commercial HVAC amp R Division 604 Liberty Lane West Kingston RI 02892 Phone 1 800 828 4328 www modine com 3 05 2 5M Litho in USA
14. PORTANT 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 Inspection 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 point of installation 3 Inspect unit received for conformance with description of product ordered including specifications where applicable General Information Installation and service instructions in this manual are applicable to the three types of steam hot water cabinet unit heaters which should be installed in their proper applications for their most effective function as heating units The condensers are warranted for operation at hot water pressures to 200 165 per sq in gauge and or temperatures up to 240 F or steam pressures up to 10psig Motors are designed for continuous duty They can operate in a maximum ambient temperature of 104 F 40 C The unit heaters are listed by the Canadian Standards Association as certified Model C units are fully exposed floor mounted types Model CW units are fully exposed wall or ceiling mounted types or partially of fully recessed Cabinet unit heaters are available with a variety of options and control arrangement
15. UYER 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 TWO 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 PROCESSI
16. Y 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 except 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
17. ZES 2 6 34 NPT FOR STANDARD COIL 5 1 D SWEAT FOR TWO ROW COIL SIZES 8 14 lt L N Standard Inlet Table 9 1 1 NPT ONE OR TWO ROW COIL Standard 4 Outlet Optional Outlet Optional Inlet Cabinet Dimensions inches J size 8 14 only 1 4 he MOUNTING HOLES 93 4 23 4 Pr MODEL SIZES 8 14 ONLY A AND J BOX 0 M 11 SPEED CONTROL SIZES 2 6 45 8 Sf SLOTTED MOUNTING HOLES IN NOTE Left hand piping is standard right hand piping available when specified Bottoms of end compartments are open for piping and electrical access Table 9 2 Filter Dimensions inches Approx Shipping Weight Ibs Table 9 3 Coil Connection Dimensions inches 2 thru 6 22 1 2 7 3 8 15 1 4 2 3 8 8thru 14 25 5 8 9 1 4 18 1 5 8 Table 9 4 Motor Ratings 115 volts 60hz 19 Standard Motor D Filters are permanent cleanable PSC Motor Option 140 High Static Motor option 141 HP Total Amps HP Total Amps HP Total Amps DIMENSIONAL DATA ACCESSORIES OPTIONS Table 10 1 Options 122 and 123 Model CW Figure 10 1 Model CW Duct Collars ae de pink 3 4 3 4 5 gt I s DET Figure 10 2 Model C Outside Air Duct Collar
18. els All painted surfaces shall be treated for corrosion resistance prior to being finished with a tan baked on enamel finish which may be used as a final coat or repainted All unpainted steel shall be galvanized When specified color as selected by architect shall be provided in one of 9 optional colors as shown on manufacturer s color chart 11 405 Wall or ceiling models shall have cabinets with stamped louvers The entire bottom of the unit must be enclosed Access to the speed control shall be through the easy access 16 gauge front panels Available when specified as optional equipment an access door shall be provided for speed control access All models shall have two 9 minimum wide piping end pockets All wall and ceiling units shall have safety hinged access panels that can be easily removed during installation Coils The heating coils shall provide specified capacities and not exceed the pressure drop and GPM listed in this catalog Coils shall be suitable for 200 PSI working pressure with 240 F water Steam pressure shall not exceed 10 psi Motor Speed Control The unit shall have a unit mounted solid state motor speed control with high through low speeds and off positions on all models Dampers optional equipment When specified the unit shall be equipped with a 25 galvanized steel fresh air blade damper Model C floor units only 110 120 160 165 185 190 120 130 170 175 195 200
19. h an electrical junction box Make Perma Lap framing is permanent there is no opportunity for wiring connections from 115V 60Hz 1 building service to air leakage which can cause wall streaking control box as shown on wiring diagram furnished with the Since the enclosure front panel is never in contact with the wall unit or ceiling servicing the heater involves simply removing the Any damage to or failure of Modine units caused by heater front panel and leaving the Perma Lap and cabinet incorrect wiring of the units is not covered by Modine s enclosure permanently fixed in the recess opening standard warranty Perma Lap frames allow flexibility in recessing depth 3 Location of room thermostat when supplied should be in Enclosures may be flush recessed or partially recessed the natural circulating path of room air Mount thermostat Desired unit projection on partially recessed units is about five feet above floor level where it will not be affected accomplished by positioning the unit within the Perma Lap by heat from the unit or other sources of drafts that would frame The four sided Perma Lap frame has a 3 8 projection prevent it from properly controlling room temperature See and a 1 width instructions packed with the thermostat Pipi 4 With ceiling mounted units a multi speed remote fan switch Iping is supplied as standard The switch can be recessed into a standard 2 x 4 electrical wall box CAUTION Fig
20. ice person cannot solve the problem consult your local plumbing electrical contractor or local Modine representative When servicing repairing or replacing parts on these units always give the complete Model Number and Serial Number from the unit identification plate Replacement Parts When requesting parts please contact your local representative Please have full model and serial number available 11 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
21. lectrical wiring Easy access reduces costs and installation time Cabinet Finish After assembly and welding operations are completed the entire cabinet unit is treated for prevention of rust and corrosion Entire cabinet is finished with a tan color baked on enamel finish which may be used as a final coat or repainted Quick Change Permanent Filters Filters are removable without tools After opening the unit s front panel the filter easily slides out Cleanable filters are provided as standard Insulation Sound dampening insulation on all front panels Coils Steam Hot Water All coils used in cabinet heaters use copper tube aluminum fin construction with NPT connections 3 4 for sizes 2 thru 6 and 1 for sizes 8 thru 14 Tubes are mechanically expanded into integral fin collars Return bends and joints are silver alloy brazed and the coil is pressure tested to 200 psi pressure Field reversible coils allow piping to be made for left or right side connection with left hand piping as factory standard Power Assembly Blower platform blower and blower motor on all sizes are removable as a single unit A direct drive multi speed shaded pole motor with built in thermal overload protection powers the forward curved aluminum blower wheels Right hand electrical as factory standard Speed Control 10 Solid state infinite speed control with off position Access Doors not shown 11 Tilt
22. liances 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 When servicing or repairing this equipment use only factory approved service replacement parts A complete replacement 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 owners risk A CAUTION 1 Do not reuse any electrical component which has been wet Such component must be replaced 2 Do not operate the units within steam pressure greater than 10 psig Steam pressure must be 10 psig or lower to avoid excessive discharge air temperatures that could cause burns or personal injury SI METRIC CONVERSION FACTORS Table 2 1 To Convert Multiply By To Obtain W C inches water column n psig 6 893 oF F 32 0 555 C inches 25 4 mm feet 0 305 meters CFM 0 028 m min CFH 1 699 m min btu ft3 0 0374 mJ m9 pound 0 453 kg btu hr 0 000293 kW hr gallons 3 785 liters UNIT LOCATION A DANGER Units must not be insta
23. lled where they may be exposed to a potentially explosive or flammable atmosphere 1 Units should not be installed in atmospheres where corrosive fumes or sprays are present 2 Be sure no obstructions block air intake or air discharge of unit heater 3 Columns machinery partitions and other obstacles should not interfere with air streams from unit heaters 4 Unit heaters installed in a building exposed to a prevailing wind should be located to direct a major volume of heated air along the windward wall of the building 5 Vertical delivery unit heaters should generally be located in the central area of the space to be heated Place horizontal delivery units along the walls of the same building where heat loss is usually greatest 6 Arrange horizontal delivery units so they do not blow directly at occupants 7 When only vertical delivery units are installed they should be located so exposed walls are blanketed by their air streams 8 Mounting height is critical for optimum performance Refer to Mounting Height on page 4 before installation IMPORTANT Start up and adjustment procedures should be performed by a qualified service agency INSTALLATION UNIT MOUNTING PIPING ELECTRICAL CONNECTIONS INSTALLATION CAUTION Unit Mounting 1 Open front panel and line up end compartment with roughed Failure to wire this unit according to this wiring diagram may in piping and position unit at ceiling or wall
24. re further lubrication 4 Check motor shaft for excessive end play every 3 to 5 years C Overload Protection A change in line voltage higher or lower than motor nameplate rating may cause overheating and serious motor damage Check plant voltage conditions A separate manual starter with thermal overload protection device is recommended for those units that do not have motors with built in overload protection Coils A Cleaning Clean coil at least once a year more often under unfavorable conditions Unless coil is kept reasonably free of dirt lint and grease its original heating capacity will be reduced possibly to a serious degree and motor damage may result Two commonly used cleaning methods are 1 Loosen dirt by brushing fins with a soft brush on side where air enters coil and then turn on fan to blow dirt from unit 2 Use high pressure air hose to loosen dirt by blowing from side where air leaves coil side adjacent to louvers on blow through units side adjacent to fan on draw through units Coils subjected to corrosive fumes should be checked and cleaned frequently Do not use any commercial solvent that could deteriate the coil and do not use any liquid or steam sprays that could damage electrical components Good filter maintenance will minimize the frequency of coil cleaning B Internal Corrosion Safeguards 1 Provide controlled water treatment don t use excess of boiler compounds Contact
25. riginal factory wiring that requires replacement must be replaced with wiring material having a temperature rating of at least 105 C 3 STANDARD SPEED CONTROL ALL UNITS BLOWER motor 2 MOTORS REQUIRED ON SIZES 8 THROUGH 14 INSTALLATION MOUNTING HEIGHT OPERATION Mounting Height Height at which cabinet unit heaters are installed is critical Maximum mounting heights for all units are listed in the tables below The data in tables are based on operating conditions of 2 lbs steam or 220 F entering water with 60 F entering air When operating conditions are other than those above refer to chart for mounting height correction factor To obtain the maximum mounting height at actual operating conditions multiply the appropriate factor from chart by the mounting height in Tables The mounting heights must be followed closely to assure maximum comfort Strong opposing drafts large obstructions in the air stream of the unit and higher than normal discharge air temperatures resulting from high steam pressures can prevent the heated air discharged by the cabinet unit from reaching the floor Under unfavorable conditions such as these allowances must be made to assure maintenance of desired comfort Table Figure 4 1 Maximum Mounting Height Standard Air Flow Ceiling Mounted lt _T gt Inverted Air Flow Wall Mounted
26. s Information on certain options and controls when provided is supplied separately from this manual THIS MANUAL IS THE PROPERTY OF THE OWNER PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB SPECIAL PRECAUTIONS SI METRIC CONVERSION FACTORS UNIT LOCATION SPECIAL PRECAUTIONS 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 PROPERTY DAMAGE OR LOSS PERSONAL INJURY OR DEATH THESE INSTRUCTIONS ARE SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL CODES HAZARD INTENSITY LEVELS 1 DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury 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 if not avoided MAY result in minor or moderate injury 4 IMPORTANT Indicates a situation which if not avoided MAY result in a potential safety concern A DANGER Units must not be installed where they may be exposed to a potentially explosive or flammable atmosphere 1 Disconnect power supply before making wiring connections to prevent electrical shock and equipment damage 2 All app
27. ure 3 1 Standard Wiring Diagram for Cabinet Unit Heaters 1 Do not reuse any electrical component which has been wet Such component must be replaced FUSED DISCONNECT 2 Do not operate the units within steam pressure greater SWITCH BY OTHERS than 10 psig Steam pressure must be 10 psig or lower to avoid excessive discharge air temperatures that could 115 60 2 10 Z cause burns or personal injury NE ze RENE 22 1 standard coil single row connections are 3 4 on unit sizes 2 through 6 On high capacity coil 2 row connections are 5 8 ID sweat on unit sizes 2 through 6 BY OTHERS On unit sizes 8 through 14 either standard or high capacity coil connections are 1 l Q z o lee 1 4 2 Supply and return lines should be adequately sized to handle heating requirements under maximum load eee ees j 3 Attach air vent fitting at the high point of the piping in the unit on hot water systems 4 Install piping to provide for expansion and contraction normally encountered with temperature changes Electrical Connections 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 o
28. your boiler compound supplier for proper usage or the services of a water treatment laboratory 2 Periodic internal flushing of the coils is recommended in areas where water supply is suspected of causing scale Use an alkaline chelant solution and introduce it at the main pump of the hydronic system Flush thoroughly A WARNING Using inorganic or mineral acids such as muriatic hydrochloric acid even though inhibited may lead to severe damage including corrosion and leakage 3 De aerate boiler feed water particularly if large amount of new water is used 4 Insure rapid continuous and adequate condensate drainage by properly sized and installed traps and piping Check traps for sticking Clean strainers ahead of traps When traps don t work condensate accumulates in unit heater coil water hammer results 5 Adequately vent each unit 6 Use low pressure steam when possible Casings A Cleaning 1 Periodic cleaning of casings is recommended to remove dirt grease and corrosive substances that may injure finish Rusted or corroded spots should be cleaned and repainted 2 Clean air filters every three months or sooner depending on dust conditions B General Inspection Tighten fan guard and motor bracket Check fan for proper clearance free rotation and firm connection to shaft When servicing is complete tag unit to indicate date of inspection lubrication and cleaning SERVICE If a qualified serv
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