Trane S&P Unit Heaters Catalogue
Contents
1. Water Outlet Temp Total Nominal Velocity Model No Drop MBh GPM WPD LAT F Motor HP RPM CFM FPM Sound Rating 109 28 8 5 93 37 104 6 42 _ 20 25 mud 9S aa 1 40 1550 595 877 I 30 16 7 1 15 02 85 9 10 22 9 4 71 24 108 39 p 42 20 I MER 101 PRESA 1 40 1150 436 658 I 30 13 4 92 01 88 42 100 48 1 9 92 1 05 104 8 64 20 erie 06 ae 26 99 1 20 1550 989 1005 H 30 314 2 14 06 89 02 100 38 1 7 85 67 109 79 p 64 20 Em Ee i Ier 1 20 1150 706 727 H 30 24 8 1 71 04 92 4 10 58 7 12 11 98 105 1 p go 20 28 4 499 Hs LM 1 20 1550 1200 1220 H 30 38 1 2 62 05 89 3 10 46 5 9 59 63 110 0 p gox _2 399 dd 12 iones 1 20 1150 858 894 II 30 30 5 2 09 03 92 7 10 77 2 15 91 2 06 106 6 p 102 _ 20 68 3 703 1012 1 8 1070 1528 980 H 30 59 3 4 08 16 95 8 100 63 7 13 13 1 43 108 6 p 102 0 36 3 292 An 103 1 1 8 850 1208 783 II 30 49 2 3 38 41 97 69 109 94 9 19 55 3 04 108 90 p 122 20 83 7 8 63 id Heer 1 6 1100 1790 1170 HI 30 72 5 4 98 23 97 3 10 117 6 24 24 4 32 108 8 146 0 105 2 10 64 96 10377 1 6 1100 2220 1045 In 30 92 8 6 38 36 98 5 109 132 4 27 29 3 67 106 6 p 166 0 118 6 12522 m 10173 1 6 1100 2620 1230 Iv 30 104 8 7 20 30 96 90 109 156 2 32 20 5 02 105 09 p 202 0 139 7 14 30 ttt 1 4 1100 3200 1495 In 30 123 2 8 47 Al 95 50 150 188 9 25 95 3 92 101 89 p 252 _ 20 180 1 18 56 10 999 1 4 1100 4162 1205 IV 30 1622. Motors are totally enclosed resilient mounted with class B windings All motors are designed for horizontal mounting Motors under 1 3 H P are totally enclosed frame mounted 115 1 60 with thermal overload protection and permanently lubricated sleeve bearings with optional solid state speed controller available 1 3 H P 115 1 60 motors are open frame construction with thermal overload protection and ball bearings 1 3 H P at 230V and1 2 H P 230V motors are open frame construction with thermal overload protection and ball bearings 1 3 and 1 2 H P motors are available in single and 3 phase in open frame construction or explosion proof housings all the above are available as options Explosion Proof Motors An enclosed motor whose enclosure is designed and constructed to withstand an explosion of a specific gas or vapor which may occur within the motor and to prevent the ignition of this gas or vapor surrounding the machine Motors comply with the National Electrical Code classification as follows Class I Group D all sizes Class II Group F all sizes Class II Group G all sizes Division amp II Installations T code T3B Explosion proof equipment is not generally available for Class Groups A and B and it is necessary to isolate motors from the hazardous area All explosion proof motors are shelf mounted Fans Fans are aluminum blade hub type designed and balanced to assure maximum air
3. 24 5 22 0 21 0 31 5 31 0 30 5 27 0 26 0 252 P 20 0 19 5 19 0 17 0 16 0 25 0 24 0 23 5 20 5 19 5 252 P L 24 0 23 5 23 0 20 0 19 0 29 5 28 5 28 0 24 5 23 5 280 P 21 0 20 5 20 0 17 5 17 0 26 0 25 5 25 0 22 0 21 0 280 P L 25 5 25 0 24 5 21 0 20 0 32 0 31 0 30 0 26 0 25 0 336 P 24 0 23 0 22 0 20 0 19 0 30 0 29 0 28 0 25 0 24 0 336 P L 29 0 28 5 28 0 25 0 24 0 36 0 35 0 34 0 30 0 29 0 384 P 28 5 28 0 27 5 24 0 23 0 35 5 35 0 34 0 30 0 29 0 384 P L 32 5 31 5 30 5 27 5 26 5 41 0 40 0 39 0 35 0 33 5 500 P 29 5 29 0 28 5 25 0 24 0 36 5 36 0 35 5 32 0 30 5 500 P L 35 0 34 0 33 0 29 0 28 0 43 5 42 5 41 5 35 0 34 0 600 P 34 0 33 0 32 0 28 0 27 0 42 5 41 5 40 5 36 0 34 5 600 P L 37 0 36 0 35 0 31 0 30 0 46 5 45 5 44 5 39 0 37 0 720 P 38 5 37 5 36 5 32 0 30 5 48 0 47 0 46 0 40 0 39 0 720 P L 42 5 41 5 40 5 35 0 33 5 53 0 52 0 51 0 44 0 42 0 Notes LS Low speed PL Model P low final temperature model with all air ports open Figures in bold face show maximum mounting height with louver cone diffusers set vertically To meet CSA and OSHA requirements Model P Unit Heaters mounted lower than 8 0 ft from the floor must be equipped with an OSHA fan guard Table 4 based on 60 F entering air temperature In providing for the use of diffusers it must be remembered that adjustment of a LCD to deflect air toward horizontal immediately lowers the mounting height limit UH PRCO001 EN 15 7 Selection Procedure Table
4. 29 018 395 395 102 8 20 024 450 450 109 8 24 036 550 550 119 9 28 048 550 750 119 9 30 060 650 900 121 10 30 072 800 1100 120 10 29 084 900 1400 115 10 30 096 930 1400 123 11 38 108 1000 1800 115 11 40 120 900 1900 118 12 40 132 950 2000 121 13 54 144 1000 2200 120 13 55 156 1150 2600 115 13 55 180 800 2200 135 13 53 204 1000 2900 124 13 55 240 900 3500 123 14 57 280 980 4200 121 14 57 300 700 5000 117 15 58 360 1000 5500 120 15 60 dl A CO Determining Amount of Condensate To determine the amount of condensate divide the capacity in BTU by the latent heat of steam 80 400 945 85 Ibs per hour 945 Latent Heat of Steam at 15 psi See Table 12 MAXIMUM DISTANCE OF THROW T a Determining Final Temperature Final temperature of air leaving Trane Unit Heaters may be determined as follows Inlet Air Temp Btu rating Cfm X 1 085 Final Temp Inlet Air Temp 40F 80 400 900 from Table 7 X 1 085 Final Temp UH PRCO001 EN S Example 2 Problem A Trane Model S Horizontal Unit Heater is desired to deliver 200 000 Btu per hour in a garage where ventilation is required Entering air temperature is 40 F Steam at 30 Ibs pressure is available Temperature to be maintained is 70 F Solution Under 40 F and across from 30 Ibs in Table 2 find the factor 1 51 Equivalent capacity of required unit at 2 Ibs steam 60 F entering air is Required Btu per hour F 200 000 1 512132 5
5. 5040 1420 IV P 336L 291 0 302 1210 107 3 4 1140 5700 1610 IV P 384L 344 0 356 1430 108 3 4 1140 6600 1870 IV P 500L 428 0 446 1785 102 1 1 2 1160 9380 1860 IV P 600L 515 0 533 2140 106 1 1 2 1160 10 300 2060 IV P 720L 620 0 642 2580 108 3 1165 11 900 2380 IV NOTES Constant speed units are rated at capacities shown in regular type capacities shown in italic faced type apply only to units with multi speed motors To determine BTU per hour capacities at various steam pressures and entering air temperatures use conversion factors from Table 11 Final temperatures at new conditions can be calculated by applying basic formula Table 10 STEAM CALCULATIONS AND CORRECTION FACTORS EXAMPLE UNIT SIZE P 42 Steam Pressure 10 PSI Entering Air Temp 40 F I CAPACITY Read output directly from Table 8 41 300 BTU HR A For 2 Ibs steam 60 entering air B For higher steam pressures and or E A T s above Multiply output from Table 8 by appropriate 41 300 x 1 27 52 451 BTU HR or below 60 F correction factor from Table 11 II FINAL AIR TEMPERATURE Read temperature directly from Table 8 124 F A For 2 Ibs steam 60 entering air B For capacities calculated in I B above Output from I B 1 085 x CFM from Table 8 52 451 1 085 x 595 40 121 0 F E A T Final Air Temp III FINAL AIR VOLUME 460 Final Air Temp from Table 8 530 x Nom CFM 460 124 530 x 595 655 CFM A For 2 lbs steam 60 entering
6. 7 11 18 82 96 0 15 215 4 29 60 5 02 104 8 p 280 0 203 4 d 208 ME 1 2 1100 4430 1275 IV 30 185 3 12 73 1 04 98 5 22 UH PRCO001 EN TRANE Performance Data Table 14 Standard Output Units continued Water Outlet Temp Total Nominal Velocity Model No Drop MBh GPM WPD LAT F Motor HP RPM CFM FPM Sound Rating 159 254 9 35 03 6 88 105 19 p 336 0 242 9 23 03 SUBE QUNM 3 4 1140 5210 1500 IV 30 218 9 15 04 1 42 98 7 15 294 7 40 49 6 60 104 2 p 384 20 PES ere ee 3 4 1140 6140 1770 IV 30 253 1 17 39 1 36 98 0 15 ime O Wase Wiwh Jem p 500 0 368 1 nee eet eat 1 1 2 1160 8020 1640 IV 309 333 6 22 92 2 29 98 3 159 451 2 62 00 8 78 104 09 p 600 0 d 1423 Erde 1 1 2 1160 9450 1930 IV 30 391 0 26 86 1 86 98 1 15 O I p 720 20 pages SE wes _ 3 1165 11 000 2250 IV 309 470 9 32 35 2 08 99 59 Performance based on 200 EWT 20 T D 60 E A T Performance at 10 amp 30 T D is also shown For capacities at other conditions use the correction multipliers in Table 16 Table 17 Table 18 Table 19 and Table 20 Speed controller option is required for reduced ratings Table 15 Low Output Units Standard Model P Units with All Air Ports Open Water Outlet Temp Nominal Velocity Model No Drop Total MBh GPM WPD LAT F Motor HP RPM
7. A B C D No of Louvers 42 16 1 2 141 4 61 2 2 5 8 8 64 amp 80 20 17 8 3 1 8 8 102 amp 122 24 1 4 21 93 4 315 16 8 146 166 amp 202 28 3 8 243 4 11 1 2 4 5 8 8 252 280 336 amp 384 35 1 2 31 1 2 13 3 4 4 12 500 600 amp 720 41 1 2 37 1 4 17 4 3 4 12 Dimensional Data S Model 2 3 16 TAPS FOR g SUSPENDING UNIT w 2 B c AS bimm 139mm i meten N E TUM HANGING DN m TEN EM NT 1 WIE ln M a TT Li 38 ce rust N t 500 9 0 Bomm Figure 17 Serpentine Type Models A08 A18 A25 A36 Note Motors are totally enclosed thermally protected sleeve bearing with 4 w x 2 h conduit connection boxes Nutserts are attached to enclosure for balanced hanging Table 30 Serpentine Models NO OF NOM FAN APPROX MODEL H Ww A B Cc LOUVERS DIAM SHIP WT A08 16 18 16 7 32 11 1 4 4 1 4 5 9 22 A18 16 18 16 7 32 11 1 4 4 1 4 5 10 24 A25 16 18 16 7 32 11 1 4 4 1 4 5 10 25 A36 18 1 2 20 1 2 18 23 32 13 3 4 5 1 8 6 12 31 34 UH PRCO001 EN TRANE Dimensional Data 213 46 TAPS FOR H SUSPENDING UNIT SUSPENDING UNIT N LL ner pipe size susrension Mp p INT PIPE THREAD Figure 18 Header Type Models 18 thru 360 Table 31 Models S 18 Thru 360 Header Type NO OF NOM
8. CFM FPM Sound Rating 109 23 9 4 92 26 92 92 p 42L 20 19 3 1 33 01 BO 1 40 1550 668 950 I 309 14 0 96 01 79 3 109 16 7 3 45 13 92 8 pagar 20 pem 1o in 1 40 1150 470 672 I 309 109 41 5 8 56 80 91 9 64 20 34 2 15 BS 1 20 1550 1200 1190 H 309 27 0 1 85 04 80 79 109 32 4 6 68 50 94 79 P 64Lx 20 25d fid 109 BB 1 20 1150 862 858 II 30 21 3 1 46 03 82 8 10 48 9 10 09 69 93 2 0 192 pe ont 1 20 1550 1360 1350 H 309 32 0 2 20 04 81 79 109 38 5 7 94 44 95 7 p soL 20 32 0 2 22 ae eae 1 20 1150 995 992 H 309 25 4 1 75 02 83 5 109 63 7 13 13 1 43 93 59 p 102L 0 29 3 2 82 al BEN 1 8 1070 1752 1050 H 309 49 2 3 38 Ad 85 9 10 54 5 11 24 1 06 93 59 p 1021 20 ioi Sun 23 paa 1 8 850 1499 827 II 30 42 4 2 91 08 86 1 UH PRCO001 EN 23 Performance Data Table 15 Low Output Units Standard Model P Units with All Air Ports Open continued Water Outlet Temp Nominal Velocity Model No Drop Total MBh GPM WPD LAT F Motor HP RPM CFM FPM Sound Rating 109 83 7 17 24 2 40 95 40 p 122 0 Gi nee me 3 1 6 1100 2180 1390 I 30 64 2 4 41 18 87 1 10 95 4 19 66 2 92 97 3 p 146L __ 20 Ro ES 93 SUD 1 6 1100 2360 1080 In 30 75 6 5 20 24 89 50 109 112 3 23 15 2 70 95 40 p 166L 0 100 7 10 38 08 SE 1 6 1100 2920 1340 IV 30
9. HP 1425 1425 1 17 1 25 1 95 950 87 833 572 710 710 i 623 242 UH PRCO001 EN Performance Data Steam Performance Data Horizontal Unit Heaters Performance based on 2 steam pressure at heater with air entering 60 F max working pressure 150 PSI 366 F Table 7 Outlet Model Total Cond E D R Motor Motor Nominal Velocity Sound No MBh Ibs hr Sq Ft LAT F HP RPM CFM FPM Rating 18 000 18 0 75 102 1550 395 395 H 9 18 16 200 16 2 68 105 19 WA S 330 330 I 24 000 24 5 100 109 1550 450 450 H 5 24 721 600 22 0 90 112 16 Watts 550 380 380 I 36 000 37 0 150 119 1550 550 550 H S 36 732 400 33 0 135 120 25 Watts i350 480 480 I 48 000 49 0 200 119 1000 750 550 H 5 48 713 200 44 0 180 123 1 20 900 630 460 I 60 000 61 0 250 121 1000 900 650 H 5 60 000 55 0 225 131 Ven 900 700 510 I 72 000 73 0 300 120 1000 1100 800 H 5 72 4 800 66 0 270 123 1 20 900 950 700 I 84 000 85 0 350 115 1000 1400 900 IH S 84 775 600 76 0 315 123 1 12 900 1100 750 H 96 000 97 0 400 123 1000 1400 930 IH 5 96 786 400 88 0 360 132 1 12 900 1100 800 H 108 000 110 0 450 115 1000 1800 1000 IH 5 108 707 200 98 0 405 120 1 12 900 1500 900 H S 120 120 000 122 0 500 118 1 3 1140 1900 900 IH S 132 132 000 134 0 550 121 1 3 1140 2000 950 IV S 144 144 000 146 0 600 120 1 3 1140 2200 1000 IV S 156 156 000 160 0 6
10. Heaters at Various Pressures and Temperatures Table based on 2 psig and 60F entering Air Steam Pressure PSIG Temperature of Entering Air F 30 40 50 60 70 80 90 100 1 19 1 11 1 03 0 96 0 88 0 81 0 74 0 67 1 24 1 16 1 08 1 00 0 93 0 85 0 78 0 71 5 1 29 1 21 1 13 1 05 0 97 0 90 0 83 0 76 10 1 38 1 29 1 21 1 13 1 06 0 98 0 91 0 84 15 1 44 1 34 1 28 1 19 1 12 1 04 0 97 0 89 20 1 50 1 42 1 33 1 25 1 17 1 10 1 02 0 95 ae 30 1 60 1 51 1 43 1 35 1 27 1 19 1 12 1 04 Type 40 1 68 1 60 1 51 143 1 35 1 27 1 19 1 12 50 1 70 1 60 1 58 1 50 1 42 1 34 1 26 1 19 60 1 81 1 73 1 64 1 56 1 47 1 39 1 31 1 24 70 1 87 1 78 1 70 1 61 1 553 1 45 1 37 1 29 75 1 90 1 81 1 72 1 64 1 55 1 47 1 39 1 32 100 2 02 1 93 1 84 1 75 1 66 1 58 1 50 1 42 125 2 11 2 02 1 93 1 84 1 76 1 68 1 59 1 51 150 2 20 2 11 2 02 1 93 1 84 1 76 1 67 1 59 To determine the Btu per hour capacity of a Model S Horizontal Unit Heater at any steam pres sure and entering air temperature multiply rated capacity at 2 psig steam 60 F entering air Table 7 by factor from above table 13 TRANE Selection Procedure Table3 Factors For Determining Steam Capacity Of Model P Projection Unit Heaters At Various Pressures And Temperatures Table based on 2 PSIG and 60 F Entering Air Steam Pressure PSIG Temperature of Entering Air F 10 0 10 20 30 40 50 60 70 80 90 100 0 1
11. Water Flow 25 50 75 100 125 150 175 Btu Hr Heating Capacity 80 89 96 1 00 1 04 1 07 1 10 UH PRCO001 EN 25 Technical amp Mounting Data Horizontal Unit Heaters Technical Data The performance data listed in Table 13 Table 14 and Table 15 include sound ratings The ratings provide a guide in determining the acceptable degree of loudness in particular occupancy situations Certain general rules apply to specific selection of unit heaters with regard to degree of quietness or loudness e The greater the fan diameter the higher the sound level e The higher the motor RPM the higher the sound level Note that on most units the lower the speed mode results in lowering the sound rating one increment e Selecting a larger number of smaller units generally results in lower overall noise levels than fewer large units All horizontal steam and hot water unit heater motors whether fan guard or shelf mounted are isolated from the mechanical mount by resilient isolators This mounting along with balanced fan blades and excellent overall construction integrity assures you the utmost in quiet operation The following table outlines sound ratings for various applications The lower the number the quieter the unit and the lower the sound requirement Mounting Heights and Throws The following table is based on 60 entering air and either 2 Ib steam or 200 water with a 20 T D The data is based on th
12. air from Table 8 Final Air Volume B For final air temperatures calculated In II B 460 Final Air Temp from II B 530 x Nom CFM 460 121 0 530 x 595 652 CFM above from Table 8 Final Air Volume IV CONDENSATE PER HOUR Read Ibs per hour from Table 8 43 LBS HR A For 2 Ibs steam 60 entering air B For capacities calculated in I B above Output from I B Latent Heat from Table 12 Ibs 52 451 953 55 0 LBS HR per hour of condensate UH PRCO001 EN 19 e TRANE Performance Data Table 11 STEAM CORRECTION FACTORS BASED ON 2 LBS STEAM 60 E A T STEAM PRESSURE LBS PER SQ IN SATURATED ENTERING AIR TEMP 0 2 5 10 15 20 30 40 50 75 30 1 18 1 22 1 27 1 34 1 40 1 45 1 53 1 61 1 67 1 79 409 1 11 1 15 1 20 1 27 1 32 1 37 1 46 1 53 1 59 1 71 50 1 03 1 07 1 12 1 19 1 25 1 30 1 39 1 46 1 52 1 64 60 0 96 1 00 1 05 1 12 1 18 1 23 1 32 1 39 1 45 1 57 70 0 90 0 93 0 98 1 05 1 11 1 16 1 25 1 32 1 38 1 49 80 0 83 0 86 0 91 0 98 1 04 1 09 1 18 1 25 1 31 1 42 90 0 76 0 80 0 85 0 91 0 97 1 02 1 11 1 18 1 24 1 36 100 0 69 0 73 0 78 0 85 0 90 0 96 1 04 1 11 1 17 1 29 Table 12 PROPERTIES OF SATURATED STEAM STEAM PRESSURE IN LBS PER SQUARE INCH GAUGE 0 2 5 10 15 20 30 40 50 75 Steam Temperature F 212 0 218 5 227 1 239 4 249 8 258 8 274 0 286 7 297 7 319 9 Latent Heat of Steam 970 966 961 953 946 940 929 920 912 891 Note Ratings apply only to free inlet and di
13. delivery low motor horsepower requirements and quiet operation Blades are spark proof Fan Guards Fan guards are welded steel zinc plated or painted To meet CSA and OSHA requirements units mounted below 8 feet from floor must be equipped with an OSHA fan guard OSHA fan guards are optional Air Deflection Louvers Units are equipped with horizontal individually adjustable louvers An optional vertical louver is available for four way air control Serpentine Coil Specifications General Furnish and install where indicated or scheduled on plans Model S A horizontal hot water unit heaters Unit shall be equipped as specified herein All units shall be installed in a neat and workmanlike manner in accordance with this specification and the manufacturer s installation instruction e Fy Casing Casings are fabricated from 20 gauge die formed steel Casing substrates are prepared for finishing with a hot wash iron phosphatizing clear rinse chromic acid rinse and oven drying Paint finish is leadfree chromate free alkyd melamine resin base and applied with an electrostatic two pass system Finish is baked at 350 F UH PRCO001 EN Coil Models S A08 S A36 Coil is a serpentine design with seamless copper tubing Aluminum fins have drawn collars to assure permanent bond with expanded tubes Tubing connection are 3 8 copper tubing type M 500 O D Coils are factory tested at 250 PS I Moto
14. diffuser is available for complete versatility in air diffusion patterns Adjustable 18 gauge steel blades are held in set position by spring steel clips 37 e FRAME Trane A business of American Standard Companies www trane com For more information contact your local Trane office or e mail us at comfort trane com Literature Order Number UH PRCOO1 EN Date August 2007 Supersedes UH PRCOO1 EN October 1999 Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice
15. pipe Standard coils have 025 copper tubing suitable for use on steam pressure to 75 psi or hot water up to 225 psi or 325 F Optional 049 steel tubing is suitable for use for 450 F water at 400 psi Motors Standard motors are 115 60 1 totally enclosed with thermal overload protection for all units through size 280P Standard motors for 42P 64P and 80P are shaded pole sleeve bearing The 102P motor is permanent split capacitor type with sleeve bearings Motor for unit sizes 122P through 280P are permanent split capacitor types with permanently lubricated ball bearings Motors used unit sizes 336P through 720P are 230 460 60 3 totally enclosed with permanently lubricated ball bearings Unit sizes smaller than 336 are also available with 230 460 60 3 motors All motors fraction hp and integral hp have Class B insulation The 115 60 1 motors used as standard on unit sizes 42P through 102P can be operated at multiple speeds with the addition of a solid state speed control Explosion Proof Motors An enclosed motor whose enclosure is designed and constructed to withstand an explosion of a specific gas or vapor which may occur within the motor and to prevent the ignition of this gas or vapor surrounding the machine All units are available with 1140 rpm explosion proof motors Fan Fans are aluminum blade designed and balanced for quiet operation Blades are spark proof Louver Cone Diffuser Optional louver cone
16. unit Figure 2 Typical Factory In the typical industrial building where ceilings are high Model P Unit Heaters may be used without diffusers In plants where the ceilings are exceptionally high such as in crane bays as illustrated in Model P Units with Louver Cone Diffusers can al The floor plan and elevation of a typical industrial building showing how a Trane Unit Heater System will heat various parts Where ceilings are high in the main manufacturing section large Projection Heaters without diffusers are used Where ceilings are exceptionally high as in crane bays Model P Units with Louver Cone Diffusers provide up to 45 greater throw to top the ceiling heat reservoir Model P Units with half closed Louver Cones blanket doorways Model S Units with Louver Fins blanket windows e TRANE Application Consideration increase the downward projection of heat by as much as 45 over units without diffusers Model P Units with the Louver Cone Diffusers can also be used to blanket doorways effectively as shown in Figure 2 by simply adjusting half of the louvers vertically and half closed FORCED HOT WATER Model S horizontal type units are ideal for mounting in plant areas where ceilings are low In fact due to the extremely small height of the Model S and because all piping connections are made at the back of the unit the Model S provides a greater saving in headroom than other horizontal u
17. 0 13 5 12 0 11 5 42 P L LS 9 0 8 5 8 5 8 0 8 0 10 5 10 0 10 0 9 0 8 5 64 P 12 0 11 5 11 5 10 0 9 5 14 5 14 0 14 0 12 0 11 5 64 P LS 9 5 9 0 9 0 8 0 8 0 11 5 11 0 11 0 9 5 9 0 64 P L 15 0 14 5 14 5 12 5 12 0 19 0 18 5 18 5 16 5 16 0 64 P L LS 11 5 11 0 11 0 9 5 8 0 14 0 13 5 13 5 12 0 11 5 80 P 15 0 14 5 14 0 12 0 11 5 18 5 18 0 17 5 15 5 13 5 80 P LS 11 0 10 5 10 5 9 0 8 5 13 5 13 0 13 0 11 5 11 0 80 P L 18 0 17 5 17 5 15 0 14 0 22 0 21 0 21 0 19 0 18 0 80 P L LS 13 0 12 5 12 0 11 0 10 5 17 0 16 5 16 0 14 0 13 5 102 P 14 0 13 5 13 0 11 5 11 0 17 0 16 5 16 0 14 0 13 5 102 P LS 11 0 10 5 10 5 9 5 9 0 13 5 13 0 13 0 12 0 11 5 102 P L 17 5 17 0 16 5 15 0 14 5 21 5 21 0 20 5 18 5 17 5 14 UH PRCO001 EN Selection Procedure Table4 Maximum Mounting Heights in Feet for Model P Unit Heaters with and without Louver Cone Diffuser continued Steam Pressure PSI Unit Size 2 5 10 50 75 102 P L LS 15 0 14 5 14 5 13 0 12 5 18 5 18 0 18 0 16 0 15 0 122 P 16 0 15 5 15 5 14 0 13 5 19 5 19 0 18 5 17 0 16 0 122 P L 21 0 20 5 20 0 17 5 17 0 26 0 25 5 25 0 22 5 21 5 146 P 15 5 15 0 14 5 13 0 12 0 19 0 18 5 18 0 16 0 15 5 146 P L 18 0 17 5 17 5 15 0 14 0 22 5 22 0 21 5 18 5 18 0 166 P 18 0 17 5 17 0 14 5 14 0 22 5 22 0 21 5 19 0 18 0 166 P L 22 0 21 5 21 0 18 5 17 5 27 5 27 0 26 5 23 5 22 5 202 P 22 0 21 5 21 0 18 5 17 5 27 5 27 0 26 5 24 0 23 0 202 P L 25 5 25 0
18. 00 1 143 1 286 1 429 1 571 1 717 70 0 212 0 353 0 494 0 636 0 777 0 918 1 060 1 201 1 342 1 483 1 630 80 0 140 0 279 0 419 0 558 0 698 0 837 0 977 1 117 1 257 1 397 1 545 90 0 069 0 207 0 345 0 483 0 621 0 759 0 897 1 035 1 173 1 311 1 462 100 0 0 137 0 273 0 409 0 546 0 682 0 818 0 955 1 094 1 230 1 371 To obtain the BTU capacity for conditions other than those in the basic capacity tables multiply the basic rating 200 entering water 60 entering air by the proper constant from Table 17 Table 18 HOT WATER BTU GPM AND PRESSURE LOSS FACTORS BASED ON STANDARD CONDITIONS OF 200 F ENTERING WATER 60 F ENTERING AIR amp 20 F WATER DROP o USE FACTORS FROM THIS TABLE TO OBTAIN TEMPERATURE eee APPROXIMATE RESULTS 5 10 15 20 25 30 40 50 60 To obtain BTU for other Water Temperature Drops 1 25 1 15 1 08 1 00 94 90 83 76 72 multiply basic BTU rating by applicable Factor To obtain GPM for other Water Temperature Drops 5 00 2 30 1 44 1 00 74 59 40 30 24 multiply basic GPM rating by applicable Factor To obtain Pressure Loss Feet of Water for other 10 00 5 00 2 00 1 00 60 40 20 13 07 temperature Drops multiply Basic loss at 20 drop by Factor Table 19 MINIMUM WATER FLOW GPM MODEL No 42 64 80 102 146 166 202 252 336 384 500 600 700 MIN GPM 55 255 55 55 82 82 1 10 1 10 1 10 1 10 1 0 1 4 1 6 Table 20 HEATING CAPACITY FACTORS FOR VARIOUS RATES OF WATER FLOW of Rated
19. 00 Btu From Table 7 select a Number 1325 Unit Heater with a capacity of 132 000 Btu per hour with standard coil and at 2 lbs steam and 60 F entering air The capacity of this unit at 30 lbs steam and 40 F entering air is 1 51 x 132 000 199 300 Btu per hour Surplus Capacity While the ventilation load is being handled any air entering the space over the desired room temperature should be considered in the heating calculations This surplus capacity can be found by multiplying the difference between the final temperature leaving the heater and the room temperature to be maintained by 1 085 and that by the cfm That amount of heat can be used to offset heat losses Model S Maximum mounting heights for Model S Unit Heaters are given in Table 1 When equipped with standard vertical Louvers direction of air flow can be adjusted both horizontally and vertically Mounting the unit at or below maximum mounting height will insure that heated air reaches the living zone Model P Maximum mounting heights for Model P Unit Heaters are given in Table 4 These distances are figured from the floor line to the bottom plate of the unit heater Where ceilings are unusually low a nearly horizontal flow of air can be UH PRCO001 EN Selection Procedure obtained by equipping these units with Louver Cone Diffusers The individually adjustable blades of the Louver Cone permit an infinite variety of adjustments to me
20. 1 60 48 60 72 84 96 3 7 4 6 8 3 1 6t 1140 108 120 132 144 156 180 204 5 4 6 8 12 2 1 4t 1140 240 280 300 3 7 4 7 8 3 1 3 1140 360 3 7 4 7 8 3 1 2 1140 230 460 3 60 TE 144 156 180 204 2 2 1 1 2 8 1 4 5 0 2 5 1 3 1140 240 280 300 360 Optional variable speed switch is available These motors are without thermal overload protection These motors are 115 230 volts 230 1 60 unit has 115 1 60 motor supplied with field installed stepdown transformer Note 1 Models 120 through 360 operate at constant speed as indicated in motor data All 1 4 H P motors are P S C Note 2 Motors under 1 3 H P are totally enclosed frame mounted 115 1 60 with thermal overload protection and permanently lubricated sleeve bearings with optional speed controller available 1 3 H P 115 1 60 motors are open frame constant speed with thermal over load protection and ball bearings 1 3 H P 230V and 1 2 H P 230V motors are open frame constant speed with thermal overload protection and ball bearings Note 3 1 3 and 1 2 H P motors are available as 230V single and 3 phase in open frame and explosion proof housings all available as options 1 3 and 1 2 H P motors operate at single speed only Note 4 Stated AMP draw is Full Load Amp FLA AMP draw varies by motor manufacturer 2 AMPS Verify FLA per unit motor data plate 28 UH PRCO001 EN Vertical Unit Heaters Performance Data Table 25 Totally Enclosed Mot
21. 10 1500 IV P 384 386 000 400 1610 118 3 4 1140 6140 1770 IV P 500 496 000 514 2070 117 1 1 2 1160 8020 1640 IV P 600 585 000 605 2440 117 1 1 2 1160 9450 1930 IV P 720 705 000 729 2940 119 3 1165 11 000 2250 IV Notes Constant speed units are rated at capacities shown in regular type capacities shown in italic faced type apply only to units with multi speed motors To determine BTU per hour capacities at various steam pressures and entering air temperatures use conversion factors from Table 11 Final temper atures at new conditions can be calculated by applying basic formula 18 UH PRCO001 EN TRANE Performance Data Table 9 Low Output Units Standard Model Units w All Air Ports Open Model Total Cond E D R Motor Motor Nominal Outlet Velocity Sound No MBh Ibs hr Sq ft LAT F HP RPM CFM FPM Rating 34 8 36 145 108 1550 668 950 Pe 26 0 27 108 111 2 1150 470 672 57 2 59 238 104 1550 1200 1190 PS 45 8 48 191 109 1 20 1150 862 858 68 0 71 283 106 1550 1360 1350 ERU 55 0 57 229 111 1 20 1150 995 992 E 85 4 89 356 108 1070 1640 1050 P 102L 71 2 74 296 111 1 8 850 1290 827 u P 122L 111 0 115 462 107 1 6 1100 2180 1390 IH P 146L 125 0 130 524 109 1 6 1100 2360 1080 IH P 166L 149 0 154 620 107 1 6 1100 2920 1340 IV P 202L 176 8 183 736 108 1 4 1100 3390 1560 IH P 252L 214 9 224 895 104 1 4 1100 4500 1270 IV P 280L 251 8 260 1050 106 1 2 1100
22. 4 amp Table 15 22 700 BTU HR Ref Std P 42 p 22 B For EWT and or EAT above or below Standard Multiply output from Table 14 amp Table 15 by factor from Table 17 22 700 x 878 19 931 BTU HR II CAPACITY AT OTHER TD s A For TD s from 5 to 60 F Multiply output obtained in IA or IB above by appropriate factor from Table 18 IA 22 700 x 1 15 26 105 BTU HR OR IB 19 931 x 1 15 22 921 BTU HR III GPM AT OTHER TD s A For TD s from 5 to 60 F Multiply GPM of unit for 20 TD from Table 14 by appropriate factor from Table 18 2 34 x 2 30 5 38 GPM Applies only to units with Std 200 EWT 60 EAT For all others calculate using formula GPM BTU 500 x TD Multiply P D of unit for 20 TD from Table 14 amp Table 15 06 x 5 00 30 Ft H20 by appropriate factor from Table 18 IV PRESSURE LOSS AT OTHER TD s A ForTD s from 5 to 60 F Table 17 HOT WATER CONVERSION FACTORS BASED ON 200 ENTERING WATER 60 ENTERING AIR 20 TEMPERATURE DROP ENTERING WATER TEMPERATURE 20 WATER TEMPERATURE DROP ENTERING AIR TEMPERATURE 100 120 140 160 180 200 220 240 260 280 300 30 0 518 0 666 0 814 0 963 1 120 1 268 1 408 1 555 1 702 1 850 1 997 40 0 439 0 585 0 731 0 878 1 025 1 172 1 317 1 464 1 609 1 755 1 908 50 0 361 0 506 0 651 0 796 0 941 1 085 1 231 1 375 1 518 1 663 1 824 60 0 286 0 429 0 571 0 715 0 857 1 0
23. 49 1 41 1 33 1 25 1 18 1 11 1 03 0 96 0 90 0 83 0 76 0 69 1 52 1 45 1 37 1 29 1 22 1 15 1 07 1 00 0 93 0 86 0 80 0 73 1 58 1 50 1 42 1 34 1 27 1 20 1 12 1 05 0 98 0 91 0 85 0 78 10 1 64 1 57 1 49 1 41 1 34 1 27 1 19 1 12 1 05 0 98 0 91 0 85 15 1 70 1 62 1 55 1 47 1 40 1 32 1 25 1 18 1 11 1 04 0 97 0 90 Draw Through Unit 20 1 75 1 67 1 60 1 52 1 45 1 37 1 30 1 23 1 16 1 09 1 02 0 96 30 1 83 1 75 1 68 1 61 1 53 1 46 1 39 1 32 1 25 1 18 1 11 1 04 40 1 90 1 82 1 75 1 68 1 61 1 53 1 46 1 39 1 32 1 25 1 18 1 11 50 1 96 1 87 1 81 1 74 1 67 1 59 1 52 1 45 1 38 1 31 1 24 1 17 60 2 02 1 94 1 87 1 79 1 72 1 64 1 57 1 50 1 43 1 36 1 29 1 22 70 2 07 1 99 1 92 1 84 1 76 1 69 1 62 1 55 1 47 1 40 1 33 1 27 75 2 10 2 02 1 94 1 86 1 79 1 741 1 64 1 57 1 49 1 42 1 36 1 29 Note To determine the Btu per hour capacity of a Model P projection unit heater at any steam pressure and entering air temperature multiply rated capacity at 2 psig steam 60 F entering air Table 8 by factor from Table 3 Factors in italics Units should not be operated when entering air is below freezing at steam pressures below 10 psig Table 4 Maximum Mounting Heights in Feet for Model P Unit Heaters with and without Louver Cone Diffuser Steam Pressure PSI Unit Size 2 5 10 50 75 42 P 10 5 10 0 10 0 9 0 8 0 12 5 12 0 12 0 11 0 10 0 42 P LS 8 0 8 0 8 0 8 0 8 0 9 0 8 5 8 5 8 0 8 0 42 P L 12 5 12 0 12 0 10 5 9 5 14 5 14
24. 5 Maximum Spread in Feet Unit Size P 42 64 80 102 122 146 166 202 252 280 336 384 500 600 720 Spread ft 15 17 20 24 26 27 28 32 35 37 45 50 54 57 60 Additional Selection Data Motor and Fan Speeds Motor and fan speeds are selected to provide efficient performance The solid state speed control will provide an infinite number of speeds between the highest and the lowest cataloged fan speeds The speed control is not calibrated in specific fan speeds For use on units with 115 volt 60 cycle 1 phase 1 8 hp and smaller standard motors only Standard and Bypass Units Standard models meet most requirements and are most economical Bypass units meet conditions as mentioned above and are also used where low final temperature is specified 16 25 and 50 Cycle Unit Heat Capacities Table 6 shows the Btu cfm and the hp required on unit heaters when operated on 25 or 50 cycle circuits The multipliers in Table 6 may be applied to standard 60 cycle unit capacities to determine the capacities of the same unit when operating on 25 or 50 cycle current These multipliers may be used on units cataloged at 1050 to 1150 RPM For the smaller Trane Unit Heaters cataloged at 1550 RPM the capacity data in the catalog may be applied to either 25 or 50 cycle service Table 6 Factors for Determining Unit Heater Capacities at 25 or 50 Cycles RPM Multiplier To Be Applied To 60 Cycle 1100 RPM Ratings 25 CY 50 CY BTU CFM
25. 50 115 1 3 1140 2600 1150 IV S 180 180 000 190 0 770 135 1 3 1140 2200 800 IH S 204 204 000 208 0 850 124 1 3 1140 2900 1000 IV S 240 240 000 244 0 1000 123 1 3 1140 3500 900 IV S 280 280 000 280 0 1100 121 1 2 1100 4200 980 IV S 300 300 000 310 0 1250 117 1 2 1100 5000 700 IV S 360 360 000 366 0 1500 120 1 2 1100 5500 1000 IV For the lower output an optional Speed Controller must be ordered For Sound Ratings see the Technical and Mounting Data portion of this chapter UH PRCO001 EN TRANE Performance Data Vertical Unit Heaters Performance based on 2 steam pressure at heater with air entering 60 F Table 8 Standard Units Model Total Cond E D R Motor Motor Nominal Meet Sound No MBh Ibs hr Sq ft LAT F HP RPM CFM FPM Rating 41 300 43 172 124 1550 595 877 P 42 733 600 55 140 131 M40 1150 436 658 l 65 500 68 273 121 1550 989 1005 P 64 2800 55 220 129 1 20 150 706 727 E 80 600 83 336 122 1550 1200 1220 P 80 5 100 67 271 130 1 20 150 858 894 8 101 800 106 424 123 1070 1490 980 P102 7 900 91 366 129 18 850 1180 783 E P 122 124 400 129 518 124 1 6 1100 1790 1170 IH P 146 152 000 157 633 123 1 6 1100 2220 1045 IH P 166 173 000 179 720 121 1 6 1100 2620 1230 IV P 202 210 200 208 838 118 1 4 1100 3200 1495 IH P 252 249 800 260 1040 115 1 4 1100 4180 1205 IV P 280 283 800 294 1180 119 1 2 1100 4430 1275 IV P 336 333 400 345 1390 119 3 4 1140 52
26. 505 Finaltemp Determining Special Steam Capacities Where capacity of the unit under standard conditions is known 2 Ibs steam 60 F entering air and it is desired to know the capacity of this same unit under different steam and air conditions follow instructions given in Example 1 Where a set of conditions is given Btu temperature rise final temperature cfm steam pressure available etc Refer to Example 2 Useful Data Btu 240 Sq Ft of radiation EDR Sq ft of radiation 4 Lbs of condensate per hour Btu Latent heat Lbs of water per hour Cfm x Temp Rise x 1 085 Btu Specific heat of air 70 F 241 Specific weight of one cubic foot of air 70 F 075 Cfm x 60 cfh Therefore 241 x 075 x 60 1 085 Example 1 Given Model 60S Horizontal Propeller Unit Heater with a rated capacity of 60 000 Btu at 2 Ibs steam with 60 F entering air Desired Capacity of this unit using 15 Ibs steam and 40 F entering air Under 40 F and across from 15 Ibs in Table 2 we find the factor 1 34 60 000 x 1 34 80 400 Btu per hour 12 Selection Procedure Table 1 Max Mounting Heights and Distance of throw for Model S Units based on 2 Ibs Steam Pressure 60F entering Air Outlet Final Temp Mounting Unit Velocity CFM F Height Max Throw A08 250 245 91 8 20 A18 500 500 94 8 25 A25 590 580 102 9 29 A36 550 850 99 9
27. 550 235 an 24 8 102 1550 580 590 II 2558 21 2 are 106 ae 23 ats 1350 460 450 I 35 9 99 1000 850 550 II 2 298 32 3 dim 100 pm 1 20 900 750 480 I 13 1 95 1550 395 395 II S 18 T 1 3 d 005 16 Watts 1956 350 350 i 17 4 96 1550 450 450 II S 24 Ae 1 8 55 014 16 Watts 6 389 T i 26 1 103 1550 550 550 II 336 23 5 od 103 02 eo Malte 1350 480 480 I 34 8 103 1000 750 550 II ne 31 3 5 111 id 1 20 900 630 460 I 43 6 105 1000 900 650 II See 39 2 T4 112 au 1 20 900 700 510 I 52 3 104 1000 1100 800 I EC 47 0 xis 106 ee 1 20 900 950 700 I 61 0 100 1000 1400 900 IH at 54 9 wa 106 i Ue 900 1100 750 II 69 7 106 1000 1400 930 IH e 62 7 on 113 29 AE 900 1100 800 II 78 4 100 1000 1800 1000 IH dns 70 5 pa 103 ps 1 42 900 1500 900 II S 120 87 1 8 8 102 39 1 3 1140 1900 900 IH S 132 95 8 9 6 104 41 1 3 1140 2000 950 IV S 144 104 0 10 4 104 43 1 3 1140 2200 1000 IV S 156 113 0 11 3 100 53 1 3 1140 2600 1150 IV S 180 118 0 11 8 110 60 1 3 1140 2200 800 IH S 204 148 1 14 9 107 79 1 3 1140 2900 1000 IV S 240 174 0 17 4 106 1 06 1 3 1140 3500 900 IV S 280 209 1 21 0 106 1 33 1 2 1100 4200 980 IV S 300 230 0 23 0 102 2 1 1 2 1100 5000 700 IV S 360 261 3 26 2 103 2 1 1 2 1100 5500 1000 IV For the lower output an optional Speed Controller must be ordered UH PRCO001 EN 21 Vertical Unit Heaters Performance Data Table 14 Standard Output Units
28. 89 2 6 13 22 88 10 109 135 8 27 98 3 85 96 90 p 202L __ 20 TS 12 52 Sa EOM 1 4 1100 3390 1560 IH 30 107 3 7 37 32 89 20 109 168 5 34 72 6 75 94 59 p 252 20 153 8 13 83 ine VESTE 1 4 1100 4507 1270 IV 30 139 1 9 56 61 88 4 10 188 9 25 95 3 92 94 59 p 280L 0 180 1 pene ee Ses 1 2 1100 5040 1420 IV 30 162 7 11 18 82 89 7 10 220 9 30 35 5 26 95 70 p 336L _ 20 210 6 21 70 2 81 idi 3 4 1140 5700 1610 IV 30 189 9 13 05 1 09 90 7 10 260 7 35 82 5 24 96 4 p 384L 0 245 230l EUR indi 3 4 1140 6600 1870 IV 30 224 2 15 40 1 09 91 3 109 eee 500 _ 20 09 2200 2 23 90 5 1 1 2 1160 9380 1860 IV 30 281 7 19 35 1 67 87 7 10 394 4 54 19 6 83 95 30 P eooL 20 377 9 3108 si 1 1 2 1160 10 300 2060 IV 30 342 2 23 51 1 45 90 6 109 p 720L 0 amu 46 76 Ail ici 3 1165 11 900 2380 IV 30 411 7 28 28 1 62 91 9 Performance based on 200 EWT 20 T D 60 E A T Performance at 10 amp 30 T D is also shown For capacities at other conditions use the correction multipliers in Table 16 Table 17 Table 18 Table 19 and Table 20 24 UH PRCO001 EN Performance Data Table 16 HOT WATER CALCULATIONS AND CORRECTION FACTORS EXAMPLE UNIT P 42 Entering Water Temp 160 F Entering Air Temp 40 F Water Temperature Drop 10 F I CAPACITY 20 TD A For 200 EWT 60 EAT Read output directly from Table 1
29. AL A Copper B Steel P only DIGIT 12 FAN GUARD 0 Standard Fan Guard 1 OSHA Fan Guard 2 Standard Fan Guard with Shelf Mount DIGIT 13 SPECIAL COATING 0 No Special Coating A Phenolic Coating Baked B Epoxy C Epoxy Phenolic DIGIT 17 Manual Starter 0 None A Manual Starter DIGIT 18 STEAM amp HOT WATER CONTROL 0 None 1 Strap on Hot Water Control 2 Steam Pressure Control Open on rise in pressure 3 Steam Pressure Control Close on rise in pressure 4 5 0 Amp Speed Control Switch Capacities A08 108 only 5 Options 1 and 4 6 Options 2 and 4 7 Options 3 and 4 DIGIT 19 VERTICAL LOUVER OWypO DIGIT 14 DISCONNECT SWITCH 0 None 1 Disconnect switch DIGIT 15 THERMOSTATS LINE VOLTAGE 0 None A Light Duty TSTAT w subbase Line Volts 8 Amps B Heavy Duty TSTAT w subbase None Vertical Louver Louver Cone Diffuser P only Louver Cone Diffuser w Coating P only UH PRCO001 EN Features amp Benefits Overview Trane propeller unit heaters feature the largest selection of standard sizes from any line in the industry In fact vertical Model P and horizontal Model S unit heaters provide enough off the shelf selections to fit almost any application The versatile two in one Model P is available in 15 sizes with capacities from 41 3 MBh to 705 6 MBh The companion standard and bypass Model S is available in 23 sizes with the capacities from 8 0 MBh up to 360 MB
30. APPROX LOU FAN SHIP MODEL A B c D E F G H J K L M N VERS DIAM WT S 18 145 8 75 16 15 71 2 61 8 215 16 31 4 93 8 121 4 91 2 11 4 21 4 127 8 4 9 26 S 24 145 8 75 16 18 9 61 8 215 16 31 4 93 8 121 4 121 2 11 4 21 4 127 8 5 10 30 S 36 S 48 171 8 89 16 201 2 101 4 57 8 215 16 51 16 1015 16 143 4 15 11 4 13 4 153 8 6 12 41 S 60 S 72 183 8 93 16 213 4 107 8 6 215 16 51 16 111 16 16 161 4 11 4 13 4 165 8 7 14 44 S 84 207 8 109 16 24 1 4 121 8 61 8 215 16 5 11 16 11 13 16 18 1 2 183 4 11 4 13 4 191 8 8 14 47 S 96 195 8 913 16 24 12 65 16 33 16 71 2 1313 16 17 1 4 17 1 2 11 2 13 4 177 8 8 16 49 S 108 S 120 20 7 8 10 7 16 25 1 4 12 5 8 65 16 33 16 611 16 13 181 2 183 4 11 2 13 4 191 8 8 18 59 S 132 23 3 8 1111 16 27 3 4 13 7 8 6 5 16 33 16 75 8 14 21 211 4 11 2 13 4 215 8 9 18 74 S 144 S 156 23 3 8 1111 16 273 4 13 7 8 65 16 33 16 77 16 133 4 21 211 4 11 2 13 4 215 8 9 18 74 S 180 24 5 8 125 16 29 141 2 63 8 33 16 77 16 133 4 221 4 221 2 11 2 13 4 227 8 9 18 90 S 204 S 240 27 7 8 1315 16 30 1 4 15 1 8 81 8 33 16 57 8 14 251 2 233 4 2 13 4 261 8 10 20 125 S 280 27 7 8 1315 16 30 1 4 15 1 8 81 8 33 16 9 5 8 173 4 251 2 233 4 2 13 4 261 8 10 20 118 S 300 33 3 8 1611 16 373 4 187 8 9 33 16 95 8 185 8 31 311 4 2 13 4 315 8 13 24 154 S 360 Applies to standard motor with standard fan guard When optional motors or OSHA fan guards are requested dimensions will change according to the substitutions made NOTES 1
31. ING STEAM L SUPPLY OR HOT WATER RETURN STEAM RETURN OR E HOT WATER t SUPPLY Figure 16 Models 102 720 Table 28 Roughing in Dimensional Data Model Size 102 720 Unit Capacity Fan L P MBH Dia A B c D E G H K Min NPT R S T U V 102 16 3 4 25 1 4 61 8 2 171 2 11 8 17 13 8 23 4 7 11 2 41 8 91 8 23 4 17 41 8 122 16 3 4 25 1 4 61 8 2 171 2 13 4 17 13 8 23 4 11 2 41 8 93 4 23 4 17 41 8 146 19 3 4 29 1 2 61 8 23 8 20 5 8 1 1 4 20 1 2 13 4 3 1 2 2 41 2 95 8 23 4 20 1 2 4 1 2 ALA WwW Ww 166 19 3 4 29 1 2 61 8 23 8 20 5 8 1 3 4 20 1 2 13 4 31 2 41 2 101 8 23 4 201 2 41 2 202 19 3 4 29 1 2 75 8 23 8 205 8 2 4 201 2 13 4 31 2 41 2 12 23 4 201 2 41 2 252 25 1 4 37 1 2 75 8 3 263 8 1 31 2 28 13 4 31 2 43 4 113 4 23 4 18 93 4 2 2 2 43 4 115 8 23 4 18 93 4 2 2 336 25 1 4 371 2 75 8 3 263 8 21 8 4 28 13 4 31 2 4 3 4 123 4 23 4 18 93 4 384 25 1 4 371 2 91 8 3 263 8 2 31 2 28 13 4 31 2 2 43 4 14 1 8 23 4 18 93 4 500 30 42 91 8 31 2311 415 8 3 30 21 4 41 4 21 2 6 141 4 3 30 6 600 30 42 12 1 8 31 2 31 1 4 21 8 3 30 21 4 41 4 21 2 6 173 4 3 30 6 7 7 7 7 7 280 251 4 371 2 75 8 3 263 8 11 4 31 2 28 13 4 31 2 7 7 7 7 7 7 720 30 42 135 8 31 2 311 4 3 4 30 21 4 41 4 21 2 6 201 4 3 30 6 UH PRCO001 EN e TRANE Dimensional Data Table 29 Louver Cone Diffuser Roughing in Dimensions Unit Size
32. NUAL STARTING SWITCH Figure 11 1 PHASE LINE MAGNETIC P di STARTING SWITCH THERMOSTAT MOTORS mu SPEED CONTROLLERS SPEED CONTROLLERS WITH MAGNETIC STARTING SWITCH FOR OPERATING SEVERAL UNITS Figure 12 3 PHASE LINE MANUAL STARTING ge SWITCH MANUAL CONTROL WITH THREE PHASE MOTOR Figure 13 3 PHASE LINE MAGNETIC ma STARTING SWITCH THERMOSTAT MOTORS APT THERMOSTATIC CONTROL OF SEVERAL THREE PHASE UNITS Figure 14 31 Dimensional Data Dimensional Data P Model 4 MOUNTING HOLES 3 8 16 FOR 42P 80P THREAD TAPS CEILING Bd STEAM i p uL SUPPLY F T OR HOT WATER RETURN STEAM Lundi S uuo Ww gi fur OR E HOT WATER t A LA YQ E SUPPLY P I D Figure 15 Models 42 80 Table 27 Roughing in Dimensional Data Model Size 42 80 Unit Capacity MBH Fan Dia A B c D E F G H K L Min P NPT R S T U V 042 11 1 4 18 1 4 4 5 8 1 1 4 11 3 4 3 4 4 11 13 8 1 7 8 7 11 2 35 8 65 8 23 4 11 35 8 064 131 2 211 445 815 8 14 1 4 14 13 8 1 7 8 7 11 2 35 8 71 8 2 3 4 14 35 8 080 13 1 2 211 46 1 8 15 8 14 1 3 14 13 8 1 7 8 7 11 2 35 8 85 8 23 4 14 3 5 8 32 UH PRCO001 EN TRANE Dimensional Data 4 MOUNTING HOLES 3 8 16 FOR 102P 384P THREAD TAPS 1 2 13 FOR 500P 720P CEIL
33. S TRANE Propeller Unit Heaters Unitary 8 0 to 705 6 MBh Two Versatile Models Various Sizes Easy Installation August 2007 UH PRCO01 EN Introduction The square compact design of the Model P and rectangular Model S allow easy handling and installation In most cases only one person is needed to carry a unit What s more the Model P can be stored standing on end This means several units can be loaded on a single skid for moving from one point to another Yet the benefits of this compact design go beyond ease of installation They continue with attractive styling The Model S unit s simple clean line symmetry and the Model P unit s classic modern shape enhance any industrial facility 2007 American Standard All rights reserved UH PRCO01 EN UH PRCO001 EN Contents Model Number 0690 106100 4 Features amp Benefits vico dsd sett bodega 5 Application 1646 26100 eiii lille 7 Selection Procedure ll i ll ll leis 11 Performance Data cocina a RARE CARA EL 17 Steam Performance Data ius edi ensi a sl dates 17 Hot Water Performance Data 21 Technical amp Mounting Data 26 27 Wiring Diagrams 0 0 00200 ee 31 Dimensional Data nike a ae E beg 32 Mechanical Specifications 36 Mo
34. Standard motor and standard guard shown 2 Optional OSHA guards available for all units with 1 phase motors 3 All 3 phase and explosion proof motors are shelf mounted UH PRCO01 EN 35 Horizontal Specifications General Furnish and install where indicated or scheduled on plans Model S horizontal steam hot water unit heaters Unit shall be equipped as specified herein All units shall be installed in a neat and workmanlike manner in accordance with this specification and the manufacturer s installation instruction Casing Casings are fabricated from 20 gauge die formed steel Casing substrates are prepared for finishing with a hot wash iron phosphatizing clear rinse chromic acid rinse and oven drying Paint finish is leadfree chromate free alkyd melamine resin base and applied with an electrostatic two pass system Finish is baked at 350 F Coil Models 18 360 Coil elements and headers are heavy wall drawn seamless copper tubing Element tubes are brazed into extruded header junctions Pipe connection saddles are cast bronze Aluminum fins have drawn collars to assure permanent bond with expanded element tubes and exact spacing All Element Assemblies are submersion tested at factory at 250 PS and are rated at 150 pounds of 36 Mechanical Specifications saturated steam pressure at 366 F under maximum load conditions We recommend operating pressure of 75 P S I at 320 F for long life Motors
35. UH PRCO001 EN e TRANE Application Consideration PET COCK SYSTEM VENT FORCED HOT WATER Serpentine Units GATE VALVE DRAIN VALVE Figure 7 10 UH PRC001 EN Trane Propeller Unit Heaters Both Model S and Model P Propeller Unit Heaters are ideally suited to such a wide variety of installations that there can be no hard and fast rules regulating their selection In determining the type and size of the units for any building the following points are generally considered BTU Requirements While the choice of units depends upon several important factors the total Btu requirement is usually determined first In calculating heat loss methods as recommended by the ASHRAE Guide may be used or any other procedure which is known to be acceptable Type of Building Once the total Btu requirement is known the type of building together with its architecture and its purpose is considered In the many cases where a combination of space characteristics is found a combination of Model S and Model P Unit Heaters may be used to create the most satisfactory heating system The Model P Unit Heater has the natural ability to tap the reservoir of heated air which collects at the ceiling level and return it to active service in the floor zone The Model P can be used on either high or low ceilings From high mounting positions the Model P will allow ample clearance for moving objects and can projec
36. atings with intermediate speeds infinitely controllable Models 166 through 720 operate at constant speed as indicated in motor data Note 2 Stated draw is Full Load FLA AMP draw varies by motor manufacturer 2 AMPS UH PRCO001 EN 29 Performance Data Table 26 Explosion Proof with Thermal Overload Motor Type P Unit Model No AMP MCA MOP HP RPM 115 1 60 42 3 8 4 8 8 6 1 6 1140 64 80 3 8 4 8 8 6 1 6 1140 102 3 8 4 8 8 6 1 6 1140 122 146 3 8 4 8 8 6 1 6 1140 166 202 4 4 5 5 9 9 1 4 1140 252 4 4 5 5 9 9 1 4 1140 280 7 8 9 8 17 6 1 2 1140 208 230 460 3 60 42 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 64 80 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 102 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 122 146 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 166 202 1 1 1 1 0 55 1 4 1 4 0 7 2 5 2 5 1 2 1 4 1140 252 1 1 1 1 0 55 1 4 1 4 0 7 2 5 2 5 1 2 1 4 1140 280 1 9 0 95 2 4 1 2 4 3 2 1 1 2 1140 336 384 3 1 3 2 1 6 3 9 4 0 2 0 7 0 7 2 3 6 3 4 1145 500 600 5 0 2 5 6 5 3 3 11 3 5 6 1 1 2 1150 700 10 0 5 0 12 5 6 3 22 5 11 3 3 1150 These motors are 230 460 volts only Note 1 Models 166 through 720 operate at constant speed as indicated in motor data Note 2 Stated draw is Full Load FLA AMP draw varies by motor manufacturer 2 AMPS 30 UH PRCO001 EN Wiring Diagrams N WARNING Hazardous Voltage Disconnect a
37. ccommodate future changes or unforeseen draft conditions Air Changes Better diffusion and more even temperatures can be maintained in a heated space when the rate of air recirculation through the heaters is relatively high For buildings where large numbers of people are engaged it is desirable to provide for a greater number of air changes than for sparsely occupied areas A greater number of small units are used where wide diffusion and even temperatures are necessary A few centrally located units of large capacity would be used where there are few occupants Comfort Conditions and Economy Air circulation diffusion and spacing of units are closely related to economy and comfort in the selection of unit heaters The more units used to provide the required number of Btu s the more comfortable will be the conditions for personnel On the other hand a few large units can be selected to provide plenty of heat at low first cost but may be slower in response and thorough distribution of heat Here again adjustable diffusion equipment can go a long way toward saving the buyer first cost expense while still providing completely satisfactory comfort conditions 11 7 Formula The following formula is used to arrive at final air temperature volume when 70 F Standard Air Basis is known or vice versa Cfm at final temp 460 Finaltemp Cfm at 70F x 459 70 70 Cfm at 70 F 460 70 Cfmfinalairx 7
38. del Number Description U H S B A 1 1 T A A 1 0 A 0 A 0 A 1 2 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 28 280 BTU HR Service Model Number Se E Abo UTE DIGIT 16 THERMOSTAT COVER Description i 0 None P 384 uo BIS A Locking Thermostat Cover DIGIT 1 2 3 PRODUCT TYPE UHP UHS DIGIT 4 DEVELOPMENT SEQUENCE B DIGIT 5 6 7 CAPACITY COIL TYPE Hot Water Only Serpentine Type Coil Model S A08 8 030 BTU HR A18 18 400 BTU HR A25 24 800 BTU HR A36 35 900 BTU HR Steam or Hot Water Header Type Coil Model S 018 18 000 BTU HR 024 24 000 BTU HR 036 36 000 BTU HR 048 48 000 BTU HR 060 60 000 BTU HR 072 72 000 BTU HR 084 84 000 BTU HR 096 96 000 BTU HR 108 108 000 BTU HR 120 120 000 BTU HR 132 132 000 BTU HR 144 144 000 BTU HR 156 156 000 BTU HR 180 180 000 BTU HR 204 204 000 BTU HR 240 240 000 BTU HR 280 280 000 BTU HR 300 300 000 BTU HR 360 360 000 BTU HR Steam or Hot Water Model P 042 42 000 BTU HR 064 64 000 BTU HR 080 80 000 BTU HR 102 102 000 BTU HR 122 122 000 BTU HR 146 146 000 BTU HR 166 166 000 BTU HR 202 202 000 BTU HR 252 252 000 BTU HR 4 500 500 000 BTU HR 600 600 000 BTU HR 720 720 000 BTU HR DIGIT 8 VOLTAGE 1 115 1 60 3 230 1 60 115 V motor with Transformer 208 3 60 230 3 60 460 3 60 575 60 3 Totally Enclosed P only NOOB DIGIT 9 MOTOR TYPE E Explosion Proof T Totally Enclosed DIGIT 10 DESIGN SEQUENCE A DIGIT 11 TUBE MATERI
39. e standard Most models can be supplied with single phase explosion proof motors For standard motors in 230 volt or three phase configuration and three phase explosion proof motors see the motor data portion of the Performance Data chapter for availability Fan Guards All models with standard non explosion proof single phase 115 or 230 volt motors utilize a wire fan guard as a motor mount Optional OSHA type guards are also available All models with three phase or explosion proof motors are shelf mounted Standard type fan guards can be added as an optional accessory Horizontal and Vertical Louvers Horizontal louvers are standard on all models Vertical louvers are an optional accessory on all models Vertical louvers are installed on built to order units or shipped loose for field installation Thermostats Two line voltage wall thermostats are in stock for immediate shipment All models operate in a 45 85 degree F range 7 28 degree C Standard duty model with fan control and a heavy duty model with auto off fan switching are available Other models available on request Plastic tamperproof one size fits all thermostat guards are also available Strap on Water Control A SPDT strap on type hot water control with 100 to 240 F 38 to 116 C rated at 10 amps at 120V is also available Control can be used for direct or reverse acting applications as a high or low limit S Steam Pressure Cont
40. e higher speed CFM throughout and velocity Care should be exercised in locating adjacent unit heaters and allowance should be made for obstructions in the air pattern and conflicting air currents from other air moving devices 26 Performance Data CATEGORY OF AREA SOUND RATING apartment assembly hall classrooms churches courtrooms executive I offices hospitals libraries museums theatres dining rooms general offices recreation areas small retail stores II restaurants banks cafeterias department stores public buildings III service stations gymnasiums health clubs laundromats supermarkets IV garages small machine shops light manufacturing V Factories foundries steel mills III VII Depending on specific use in these facilities size of operation etc Table 21 Corrections When Using Glycol Solution in System Propylene Glycol Heat transfer 180 F with no 20 solution 497 increase inflow rate 50 solution 90 G P M Req d 180 F 20 F A t no correction to pump curve 1 10 Pump Head Req d 180 F w increase in G P M 1 23 Specify gravity water 1 0 1 045 1 055 Pounds Gallons 60 F water 8 3453 Pound Gallon 8 77 pH 50 by volume 9 5 55 50 28 F Freezing Point by volume 40 13 F 30 4 F 20 17 F Compared to water Table 22 Appro
41. earings Motor for unit sizes 122 through 280 are permanent split capacitor types with permanently lubricated ball bearings Motors used on unit sizes 336 through 720 are 230 460 60 3 totally enclosed with permanently lubricated ball bearings Unit sizes smaller than 336 are also available with 230 460 60 3 motors All motors fractional H P and integral H P have Class B insulation The 115 60 1 motors used as standard on unit sizes 42 through 102 can be operated at multiple speeds with the addition of a solid state control All units are available with 1140 rpm explosion proof motors Cast bronze saddles for element support amp external pipe connections Formed neaders of heavy wall copper tubing All brazed construction See detail All angle adjustable louvers Optional vertical louvers Removable bottom cover Bronze casting with internal thread for pipe connection Formed copper header UH PRCO001 EN General Rules In locating or spotting Trane Propeller Unit Heaters either the Model S Horizontal or Model P Projection Unit Heater the following general rules should be considered 1 Spotunits at points of greatest heat loss Blanket outside doorways effectively and provide ample coverage for exposed window areas 2 Units especially in the case of the Model S Horizontal Unit Heater should be arranged to blow toward or along exposed walls preferably striking the wall at a slight ang
42. er capacities range from 18 9 to 519 4 MBH 200 E W T 20 drop w 60 E A T Construction The unit casing is formed by two square steel plates The bottom plate forms an orifice for air delivery Air ports are stamped in the top plate of standard units for easy conversion of low output units Fan Aluminum blade fans are quiet factory balanced and sturdy for standard or sparkproof applications Heating Element Hot water steam coils are rectangular 3 or 4 sided one pass multiple circuit with aluminum fins mechanically bonded to the tubes Standard coils are seamless copper tubing Coils tested at 375 psi under water Supply and return connections are steel pipe Standard coils have 025 copper tubing suitable for use on steam pressure to 75 psi or hot water up to 225 psi or 325 F Aluminum fans dynamically balanced Aluminum fins mechanically bonded to copper tubes Full self spacing collars Element support arm Interna baffle Inlet header only Extruded collars for perfect brazed junction of tubing Aluminum fins with drawn collars assure permanent bond with expanded copper tubes and exact spacing Figure 1 Motors Standard motors are 115 60 1 totally enclosed with thermal overload protection for all units through size P 280 Standard motors for sizes 42 64 and 80 are shaded pole sleeve bearing The P 102 motor is permanent split capacitor type with sleeve b
43. et any on the job problems By setting the blades vertically to straighten the airstream as much as 4596 increase in throw can be obtained Hot Water Selection Example Selection Procedure Select the proper size of unit heater for whatever application desired as illustrated by the following examples Select a Model S horizontal unit heater to deliver 95 MBH with 220 F entering water temperature EWT 70 F entering air temperature EAT and a 30 F water temperature drop WTD 1 Determine GPM GPM Btu hr 485 WTD 95000 485x30 6 53 2 Referto Table 17 to select the conversion factor at 220 EWT and 70 EAT Factor is 1 06 3 Determine equivalent MBH at standard conditions 200 EWT 60 EAT Equiv MBH MBH Factor 95 1 06 89 6 Table 2 4 Select unit size from Table 13 Select the unit which will provide 89 6 MBH In this example the selection indicates a Model S 132 unit heater To determine the actual capacity of this Model S 132 at operating conditions 220 EWT and 70 EAT proceed as follows 1 Determine the MBH at 6 53 GPM by applying factor from Table 20 Multiply this MBH by the water flow factor 95 8 MBH X 95 91 0 MBH 2 Multiply this MBH by the conversion factor 91 0 X 1 06 96 500 3 The GPM remains constant 6 53 GPM 4 Calculate the water temperature drop WTD Btu hr GPM x 485 96 500 6 53 485 30 5 Factors for Determining Steam Capacity of Model S Horizontal Unit
44. h Both are designed for durability attractiveness and compactness These features combined with economical operation give strategically sized Trane unit heaters an edge unmatched by any other manufacturer Two Units in One The Versatile Model P The Trane Model P can be quickly field converted from standard to low final temperature PL design simply by removing the unit s patented knockout air ports This unique two in one design allows the stocking wholesaler to cut inventories in half and still meet most customer application requirements Patented Trane louver cone diffusers allow directional flexibility of heated Burma E d E d a ri 13 Y N The Space Saving Model S The Side Connection type Model S unit features functional styling in a space saving design This hot water unit heater is available in capacities UH PRCO001 EN Features amp Benefits from 8 0 to 35 9 MBh and is ideal for applications where clearance is limited The Heavy Duty Model S The versatile Header Type unit can be used with either steam or hot water systems and is available in capacities from 18 0 to 360 0 MBh Rugged cast brass headers and mechanically bonded fins provide reliable heating to suit a wide variety of solutions Vertical louvers are available for all Model S units to put heat where it s needed Note Horizontal Unit Heaters Construction and Features Motors 115 volt single speed motors ar
45. including A08 A18 A25 and A36 can be run at reduced speed with addition of optional variable speed switch This switch is factory calibrated for low and high speed ratings with intermediate speeds infinitely controllable Models 120 through 360 operate at constant speed as indicated in motor data All 1 4 H P motors are P S C Note 2 Motors under 1 3 H P are totally enclosed frame mounted 115 1 60 with thermal overload protection and permanently lubricated sleeve bearings with optional speed controller available 1 3 H P 115 1 60 motors are open frame constant speed with thermal over load protection and ball bearings 1 3 H P 230V and 1 2 H P 230V motors are open frame constant speed with thermal overload protection and ball bearings Note 3 1 3 and 1 2 H P motors are available as 230V single and 3 phase in open frame and explosion proof housings all available as options 1 3 and 1 2 H P motors operate at single speed only Note 4 Stated AMP draw is Full Load Amp FLA AMP draw varies by motor manufacturer 2 AMPS Verify FLA per unit motor data plate UH PRCO001 EN 27 TRANE Performance Data Table 24 Explosion Proof with Thermal Overload Motor Type S Unit Model No AMP MCA MOP HP RPM 115 1 60 48 60 72 84 96 3 7 4 6 8 3 1 6 1140 108 120 132 144 156 180 204 5 4 6 8 12 2 1 4 1140 240 280 300 7 4 9 3 16 7 1 3 1140 360 7 4 9 3 16 7 1 2 1140 230
46. its blades The higher the outlet temperature of the air the more difficult it is to force it down into the living zone The cfm also affects the mounting height as a large volume of air will travel farther than a small volume under the same initial conditions of temperature and velocity In the preliminary planning stages it is well to remember that the lowest possible mounting height is desirable in order to get the most heat down to the floor line and to allow the greatest possible diffusion adjustment to provide tailor made distribution for each area In providing for the use of diffusers please remember adjustment of a Louver Cone Diffuser to deflect the air toward the horizontal immediately lowers the mounting height limit Adjustment for lateral deflection with the Louver Fin Diffuser shortens the distance of throw Diffusion The use of Trane Louver Cone or Louver Fin Diffusers influences the selection of units in two principal ways First It is seldom necessary to install oversized heaters to extend the maximum effective mounting height of the Model P or the distance of throw of the Model S Conversely Trane Diffusers enable extremely low mounting since the adjustable blades direct heat where it is wanted without creating uncomfortable hot spots near the units Second After the original selection has been made units may be located with confidence because adjustments in heat distribution are possible to a
47. le so that the heated air exerts a wiping effect along the wall Balance of units required to supply Btu requirements should be spaced strategically in balance of the area 3 Unitheaters should be arranged to blow into open spaces such as aisles and not directly at any worker An exception to this rule involves the use of the Model P Unit Heater equipped with the Louver Cone Diffuser This combination can be used effectively over closely spaced bins or machines without regard for open space But not even the Model P Unit Heater with Louver Cone Diffuser should be in such close proximity to the workers to cause discomfort 4 The Trane solid state speed control will provide maximum capacity flexibility and quieter operation Note that this speed controller is available only on selected models 5 Mounting heights and distance of throw recommendations as given elsewhere in this catalog should be carefully observed 6 Inthe case of Model P Units they should be spotted so that they will most effectively prevent stratification of excessively warm air at the ceiling By carefully observing this rule this type of unit may be UH PRCO001 EN Application Consideration used between seasons to tap waste heat at the ceiling and drive it down to occupied zones thereby eliminating the need for added heat on the system 7 Do not spot units close to any obstruction that will impede the full and natural air delivery of the
48. ll electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury N WARNING Hazardous Voltage Do not use any tools i e screwdriver pliers etc across the terminals to check for power Use a voltmeter Failure to disconnect power before servicing could result in death or serious injury 1 For internal wiring and overload protection on all starters consult the control manufacturer for details 2 Whenusing thermostatic control with a manual starter be sure that the electrical rating of the thermostat is sufficient to carry the motor current Note Refer to the Motor Characteristics portion of the Performance Data chapter for motor characteristics of Individual Unit Heaters 1 PHASE LINE MANUAL STARTING d SWITCH MANUAL CONTROL WITH SINGLE PHASE MOTOR Figure 8 UH PRCO001 EN Wiring Diagrams 1 PHASE LINE MANUAL STARTING LA SWITCH ROOM THERMOSTAT THERMOSTATIC CONTROL WITH MANUAL STARTER Figure 9 1 PHASE LINE MAGNETIC md STARTING SWITCH THERMOSTAT MOTOR MOTOR x x THERMOSTATIC CONTROL USING MAGNETIC STARTER OPERATING SEVERAL UNITS Figure 10 1 PHASE LINE MANUAL STARTING L SWITCH THERMOSTAT X A o SPEED CONTROLLER MOTOR SPEED CONTROLLER WITH MA
49. nit heater makes As illustrated in Figure 2 the Model S Unit Heaters may be mounted conveniently from the ceiling or from building structural supports and beams With Louver Fin Diffusers they are ideal for blanketing windows and Model S Bypass P Unit Heaters provide further ue flexibility of application where y greater throw and more effective Figure 3 distribution of air in the living zone is required D 08370 01 Horizontal and Vertical Unit Heater Piping and Instalation LOW PRESSURE STEAM GRAVITY The illustrations in this portion of the catalog depict five different typical piping configurations Proper selection should be based on the operational characteristics of the source supply For selection and sizing of piping traps filters and other piping specialities ASHRAE guides and specialty manufacturer s literature should be consulted We assume that the type and total design of systems has been selected or approved by a qualified engineer The installation and service manual should be consulted for further information on installation operation drainage and system cleaning Piping and installation is typical for both horizontal and vertical unit heaters except side connections Figure 4 8 UH PRCO001 EN e TRANE Application Consideration HIGH PRESSURE STEAM Figure 5 LOW PRESSURE VAPOR OR VACUUM D 08370 04 Figure 6
50. or Type P Unit Model No AMP MCA MOP HP RPM 115 1 60 42 1 23 1 6 2 8 1 40 1550 64 80 2 1 2 6 4 7 1 20 1550 102 1 2 1 5 2 7 1 8 1070 122 duc 2 3 2 9 5 2 1 6 1100 166 202 3 6 4 5 8 1 1 4 1100 252 3 6 4 5 8 1 1 4 1100 280 5 4 6 8 12 2 1 2 1100 208 230 460 3 60 42 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 64 80 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 102 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 122 i56 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 166 202 1 2 1 4 0 7 1 5 1 8 0 9 2 7 3 2 1 6 1 4 1140 252 1 2 1 4 0 7 1 5 1 8 0 9 2 7 3 2 1 6 1 4 1140 280 1 8 2 0 1 0 2 3 2 5 1 3 4 1 4 5 2 3 1 2 1140 336 384 3 1 3 2 1 6 3 9 4 0 2 0 7 0 7 2 3 6 3 4 1140 500 600 5 3 5 0 2 5 6 6 6 3 3 1 11 9 11 3 5 6 1 1 2 1160 720 9 9 9 8 4 9 12 4 12 3 6 1 22 3 22 1 11 0 3 1165 575 3 60 42 64 80 102 122 0 6 0 8 1 4 1 3 1140 146 166 202 252 280 0 8 1 0 1 8 1 2 1140 336 384 1 3 1 6 2 9 3 4 1140 500 600 2 0 2 5 4 5 1 1 2 1160 720 3 8 4 7 8 6 3 1165 Optional variable speed switch is available These motors have automatic thermal overload protection or impedance protection Note 1 All motors are constant speed and operate at top speed as indicated in motor data Models through 1 8 H P can be run at reduced speed with addition of optional variable speed switch This switch is factory calibrated for low and high speed r
51. rol SPST switch opens on a rise in pressure Control is automatically reset has a range of 0 to 15 PSIG 0 to 103 KPa and has an adjustable differential Other actions ranges circuits and manual reset models are available on request Manual Starters Single and three phase models are available Standard models are single speed toggle operated NEMA Type 1 and are surface mounted Wall Mounted Speed Controllers Units up to S 108 and P 104 with standard motors 115V can be operated at reduced speeds by addition of optional speed controller Controller is 5 amps pre set at factory for maximum and minimum speeds with intermediate speeds infinitely controllable All 1 3 1 2 H P and 230V motors operate only at rated speed and CFM See tables Vertical Unit Heaters Construction and Features Vertical projection unit heaters provide heat where it is required in commercial and industrial applications Mounted near the ceiling this unit provides air circulation and reduces stratification without occupying otherwise usable building space Units can be provided with an optional diffuser for patterned discharge or without a diffuser for higher velocity spot heating near doorways and other highloss areas Vertical units are available in fifteen sizes for steam or hot water heating Steam capacities range from 140 to 6 Features amp Benefits 2 580 E D R 26 0 to 705 MBH 2 PSI w 60 E A T Hot wat
52. rs Motors are totally enclosed resilient mounted with class B windings All motors are designed for horizontal mounting Fans Fans are aluminum blade type designed and balanced to assure maximum air delivery low motor horsepower requirements and quiet operation Fan Guards Fan guards are welded steel zinc plated or painted To meet CSA and OSHA requirements units mounted below 8 feet from floor must be equipped with an OSHA fan guard OSHA fan guards are optional Air Deflection Louvers Units are equipped with horizontal individually adjustable louvers Vertical Specifications General Furnish and install where indicated or scheduled on plans Model P vertical steam hot water unit heaters Unit shall be equipped as specified herein All units shall be installed in a neat and workmanlike manner in accordance with this specification and the manufacturer s installation instruction Casing Casing is formed by two square steel plates Bottom plate forms orifice for air delivery Air ports stamped in top plate as standard for easy removal for low final air temperature Coil Hot water steam coils are rectangular 3 or 4 sided one pass multiple circuit with aluminum Sigma Flow there should be a registered sign UH PRCO001 EN Mechanical Specifications after Sigma Flow fins mechanically bonded to tubes Standard coils are tested at 375 psi under water Supply and return connections are steel
53. scharge without diffusers Note All motors are constant speed and operate at top speed as indicated in motor data Models 42 through 102 can be run at reduced speed with addition of optional variable speed switch This switch is factory calibrated for low and high speed ratings with intermediate speeds infinitely controllable Models 166 through 720 operate at constant speed as indicated in motor data Note For specific motor data refer to motor specifications at the end of this chapter Note To correct for entering air temperatures use 1 temperature rise for each foot in mounting height As an example 60 air is required at work area 5 ft above floor units are to be mounted at 20 ft above floor Mounting height 20 ft minus work height 5 ft equals differential 15 ft or 15 rise in air temperature at unit air inlet Correct for actual inlet air temperature of 75 60 15 75 E A T on Table 10 20 UH PRCO001 EN Performance Data Hot Water Performance Data Horizontal Unit Heaters Peformance based on 200 EWT 60 E A T 20 WTD max working pressure 150 PSI 366 F Table 13 Outlet Nominal Velocity Model No Total MBh GPM LAT F WPD Motor HP RPM CFM FPM Sound Rating 8 0 91 1550 245 250 II S A08 Sig 0 80 80 16 Watts isa 3n 215 i 18 4 94 1550 500 500 II S A18 Ea 1 9 ue 2 2 16 Watts 1
54. t heat down into occupied areas regardless of obstacles which would restrict the flow of air from horizontal units From low mounting positions the Model P with proper diffusion can be used without disturbing nearby occupants with direct blasts of high velocity heated air or requiring return lines so low as to leave insufficient head room The superior horizontal action of the Model S on the other hand is ideal for creating a wiping effect of warm air along exposed walls which neutralizes drafts at their source UH PRCO001 EN Selection Procedure beaming heat down narrow aisles and production lines and blanketing large windows doors and other points of high heat loss Spacing of Units It is the usual practice to divide the building into areas with like exposures or in relation to heat load distribution desired In general Model S Unit Heaters may be selected for buildings where direct horizontal air currents are desired and where there are no obstacles to interrupt the flow of air from the heaters Model P Unit Heaters are successfully used where high or low mounting heights are required and should ordinarily be specified with diffusers depending upon the mounting height and application Mounting Heights The maximum effective mounting height is determined by the outlet temperature of the air the outlet velocity the cfm for which the heater is designed and if a diffuser is used the setting of
55. ximate factors at varying altitudes Altitude Factor Sea level 1000 ft 1 00 1000 ft 3000 ft 958 3000 ft 5000 ft 929 5000 ft 7000 ft 900 7000 ft 10000 ft 871 UH PRCO001 EN Motor Characteristics Data Horizontal Unit Heaters Performance Data Table 23 Totally Enclosed Motor Type S Unit Model No AMP MCA MOP HP RPM 115 1 60 18 24 A08 A18 0 8 1 1 8 16W 1550 A36 1 4 1 8 3 2 1 20 1000 36 A25 1 2 1 5 2 7 25W 1550 48 60 72 1 4 1 8 3 2 1 20 1000 84 96 108 2 2 2 8 5 0 1 12 1000 120 132 144 156 4 5 5 6 10 1 1 3 1140 180 204 240 280 300 360 5 4 6 8 12 2 1 2 1100 230 1 60 18 24 A08 A18 0 4 0 5 0 9 16W 1550 A36 1 4 1 8 3 2 1 20t 1000 36 A25 0 6 0 8 1 4 25W 1550 48 60 72 1 4 1 8 3 2 1 20t 1000 84 96 108 2 2 2 8 5 0 1 12t 1000 120 132 144 156 4 5 5 6 10 1 1 3t 1140 180 204 240 280 300 360 5 4 6 8 12 2 1 2t 1100 208 230 460 3 60 48 60 72 84 96 2 6 2 6 1 3 3 3 3 3 1 6 5 9 5 9 2 9 1 2 1140 108 120 132 144 156 180 204 240 280 300 360 Optional variable speed switch is available These motors are without thermal overload protection 230 1 60 unit has 115 1 60 motor supplied with field installed stepdown transformer Note 1 All motors are constant speed and operate at top speed as indicated in motor data Models 18 through 108
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