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Trane S&P Unit Heaters Installation and Maintenance Manual

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1. Table 29 Model S Serpentine and Header Type Output Final Air Prssr Drop Nominal Outlet Nom BTU HR Flow Rate Deg F FT H2O CFM FPM Amps Unit Size kW GPM L s Deg C m water Motor HP KW RPM m3 s m s 115VACt Sound Rating 8 030 91 1550 245 250 Il 2 4 33 116 1 270 598 6 800 90 16 Watts 1350 210 215 0 80 1 2 0 i 32 099 1 092 18 400 94 1550 500 500 Il 5 4 34 236 2 540 18 15 650 136 96 ES ze vata 1350 420 420 0 89 I 4 6 1 36 1 198 2 134 24 800 102 1550 580 590 Il 7 3 39 274 2 997 nen 21 230 m 106 29 Was 1350 460 450 155 I 6 2 41 217 2 286 35 900 99 1000 850 550 Il 10 5 37 EM T 401 2 794 a 32 300 227 100 514 059 900 750 480 I 9 5 j 38 354 2 438 13 050 95 1550 395 395 Il 3 8 35 186 2 007 ore 11 725 99 eu 1 Watts 1350 350 350 0 80 1 3 4 1 37 165 1 778 17 400 96 1550 450 450 Il 5 1 36 212 2 286 2 15 600 1147 98 2 SESS 1350 380 380 0 80 1 4 6 i 37 179 1 930 26 100 103 1550 550 550 Il 7 6 39 260 2 794 036 23 500 o 103 027 2 gt Walts 1350 480 480 He I 6 9 39 227 2 438 34 800 103 1000 750 550 Il 10 2 39 T put 354 2 794 31 300 221 111 037 035 900 630 460 I 9 2 44 i 297 2 337 43 600 105 1000 900 650 Il 12 8 41 425 3 302 39 200 278
2. 0 13 8 34 5 68 9 103 4 137 9 206 8 275 8 344 7 517 1 689 4 861 8 1 034 1 30 1 119 124 129 1 38 1 44 1 50 1 60 1 68 1 70 1 90 2 02 2 11 2 20 40 4 111 116 121 1 29 1 34 1 42 1 51 1 60 1 66 1 81 1 93 2 02 2 11 50 10 1 03 1 08 1 13 1 21 1 28 1 33 1 43 1 51 1 58 1 72 1 84 1 93 2 02 60 16 0 96 1 00 1 05 1 13 1 19 1 25 1 35 1 43 1 50 1 64 1 75 1 84 1 93 70 21 0 88 0 93 0 97 1 06 1 12 1 17 1 27 1 35 1 42 1 55 1 66 1 76 1 84 80 27 0 81 0 85 0 90 0 08 1 04 1 10 1 19 1 27 1 34 1 47 1 58 1 68 1 76 90 32 0 74 0 78 0 83 0 91 0 97 1 02 1 12 1 19 1 26 1 39 1 50 1 59 1 67 100 38 0 67 0 71 0 76 0 84 0 89 0 95 1 04 1 12 1 19 1 32 1 42 1 51 1 59 42 UH SVX01A EN Steam Performance Data Table 23 PROPERTIES OF SATURATED STEAM STEAM PRESSURE IN PSIG kPa Steam Pressure 0 2 5 10 15 20 30 40 50 75 100 125 150 psi kPa 0 13 8 34 5 68 9 103 4 137 9 206 8 275 8 344 7 517 1 689 4 891 8 1 034 1 Steam Temperature 212 218 5 227 1 239 4 249 8 258 8 274 0 286 7 297 7 319 9 337 9 352 9 365 9 Deg F Deg C 100 103 6 108 4 115 2 121 0 126 0 134 4 141 5 147 6 159 9 169 9 178 3 185 5 Latent Heat of Steam 970 966 961 953 946 940 929 920 912 891 881 868 857 Btu Ibm KJ Kg 2256 2247 2235 2217 2200 2186 2161 2140 2121 2072 2049 2019 1993 Table 24 Model P Standard Units Unit Output Condensate E D R Final Air Capacity BT
3. PRODUCT TYPE UHP UHS DIGIT 4 DEVELOPMENT SEQUENCE B DIGIT 5 6 7 CAPACITY COIL TYPE Hot Water Only Coil Type A Serpentine A08 8 030 BTU HR A18 18 400 BTU HR A25 24 800 BTU HR A36 35 900 BTU HR Steam or Hot Water 042 41 300 BTU HR 064 65 500 BTU HR 080 80 600 BTU HR 102 101 800 BTU HR 122 124 400 BTU HR 146 152 000 BTU HR 166 173 000 BTU HR 202 210 200 BTU HR 252 249 800 BTU HR 280 283 800 BTU HR 336 333 400 BTU HR 384 386 000 BTU HR 500 496 000 BTU HR 600 585 000 BTU HR 720 705 000 BTU HR Steam or Hot Water Header Type Coil 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 UH SVX01A EN 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 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 NOOR DIGIT 9 MOTOR TYPE T Totally Enclosed E Explosion Proof DIGIT 10 DESIGN SEQUENCE A DIGIT 11 TUBE MATERIAL A Copper B Steel P only DIGIT 12 FAN GUARD 1 OSHA Fan Guard 2 Standard Fan Guard 3 phase or Explosion Proof motors only 3 Standard Fan Guard Unit Capacities 240 360 DIGIT 13 SPECIAL
4. 1150 470 672 7 6 12 2 10 0 44 219 3 414 57 200 59 238 104 1550 1200 1190 064L 16 8 26 7 22 1 40 1 20 560 6 045 I 45 800 48 191 109 037 1150 862 858 13 4 21 7 17 8 43 402 4 359 68 000 71 283 106 1550 1360 1350 19 9 32 2 26 3 41 635 6 858 080 55 000 57 229 111 0 1150 995 992 16 1 25 8 21 3 44 464 5 039 85 400 89 356 108 1070 1640 1050 25 0 40 3 33 1 42 765 5 334 MEE 71 200 74 296 111 935 850 1290 827 20 9 33 5 27 5 44 602 4 201 1221 111 000 115 462 107 1 6 1100 2180 1390 32 5 52 1 43 0 42 124 1 017 7 061 146L 125 000 130 524 109 1 6 1100 2360 1080 IH 36 6 58 9 48 7 43 124 1 101 5 486 166L 149 000 154 620 107 1 6 1100 2920 1340 IV 43 7 69 8 57 7 42 124 1 363 6 807 202L 176 800 183 736 108 1 4 1100 3390 1560 IH 51 8 82 9 68 5 42 186 1 582 7 925 252L 214 900 224 895 104 1 4 1100 4500 1270 IV 63 0 101 5 83 3 40 186 2 100 6 452 280L 251 800 260 1050 106 1 2 1100 5040 1420 IV 73 8 117 8 97 7 41 373 2 352 7 214 336L 291 000 302 1210 107 3 4 1140 5700 1610 IV 85 3 136 8 112 6 42 559 2 660 8 179 384L 344 000 356 1430 108 3 4 1140 6600 1870 IV 100 8 161 3 133 0 42 559 3 080 9 500 500L 428 000 446 1785 102 1 1 2 1175 9380 1860 IV 125 4 202 0 166 0 39 1 119 4 377 9 449 600L 515 000 533 2140 106
5. 17 13 8 23 4 7 11 2 41 8 91 8 23 4 17 41 8 17 13 8 23 4 11 2 41 8 93 4 23 4 17 41 8 201 2 13 4 31 2 2 41 2 95 8 23 4 201 2 41 2 201 2 13 4 31 2 2 41 2 101 8 23 4 201 2 41 2 2 41 2 12 23 4 201 2 41 2 2 4 3 4 11 5 8 23 4 18 93 4 2 2 ALA WwW Ww 43 4 113 4 23 4 18 93 4 43 4 123 4 23 4 18 93 4 2 43 4 141 8 23 4 18 93 4 21 2 6 141 4 3 30 6 21 2 6 173 4 3 30 6 21 2 6 201 4 3 30 6 336 251 4 371 2 75 8 3 263 8 21 8 4 28 13 4 31 2 384 251 4 371 2 91 8 3 263 8 2 31 2 28 13 431 2 500 30 1 2 42 91 8 31 2 311 415 8 3 30 21 4 41 4 600 30 1 2 42 121 8 31 2 311 421 8 3 30 21 4 41 4 720 30 1 2 42 135 8 31 2 311 4 3 4 30 21 4 41 4 24 UH SVX01A EN Dimensional Data Dimensional Data S Model 2 2 16 TAPS FOR SUSPENDING UNIT 52 2 2 1 HANGING T HIR Ur WI d N t 500 6 0 80mm Figure 26 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 3 8 16 nutserts are attached to enclosure for balanced hanging Table 10 Table 3 Serpentine Models NOM FAN APPROX H inches W inches A inches B inches C inches NO OF DIAM inches SHIP WT Ibs MODEL mm mm mm mm mm LOUVERS mm kg A08 16 406 18 457
6. G P M Req d 180 F 82 C 20 F 11 C A t no correction to pump curve 1 10 Pump Head Req d 180 F 82 C w increase in G P M 1 23 Specify gravity water 1 0 1 045 1 055 Pounds Gallons 60 F 16 C water 8 3453 Pound Gallon 8 77 pH 50 by volume 9 5 55 50 28 F 33 C Freezing Point by volume 40 13 F 25 C 30 4 F 16 C 20 17 F 8 C Compared to water Table 13 Approximate factors at varying altitudes Altitude Factor Sea level 1000 ft 305m 1 00 1000 ft 3000 ft 915m 958 3000 ft 5000 ft 1524m 929 5000 ft 7000 ft 2134m 900 7000 ft 10000 ft 3048m 871 UH SVX01A EN Technical Data P Model 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 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 Selecting a larger number of smaller units generally results in lower overall noise level
7. MANUAL STARTING MANUAL CONTROL WITH THREE PHASE MOTOR Figure 41 3 PHASE LINE MAGNETIC m d STARTING SWITCH THERMOSTAT MOTORS THERMOSTATIC CONTROL OF SEVERAL THREE PHASE UNITS Figure 42 1 PHASE LINE MANUAL STARTING 2 SWITCH 7 LIMIT CONTROLLER REVERSE ACTING ROOM THERMOSTAT THERMOSTATIC CONTROL WITH ACTING LIMIT CONTROLLER AND MANUAL STARTER Figure 43 UH SVX01A EN 3 PHASE LINE MANUAL STARTING LIMIT CONTROLLER REVERSE ACTING THERMOSTAT MOTOR MANUAL CONTROL WITH THREE PHASE MOTOR Figure 44 1 PHASE LINE MANUAL STARTER WITH BUILT IN SELECTOR SWITCH 7 THERMOSTAT LIMIT CONTROLLER lt MOTOR THREE POSITION SELECTOR SWITCH BUILT INTO MAGNETIC STARTER FOR MANUAL OR THERMOSTATIC CONTROL Figure 45 1 PHASE LINE MANUAL STARTING d SWITCH SELECTOR THERMOSTAT LIMIT CONTROLLER THREE POSITION SELECTOR SWITCH USED FOR EITHER MANUAL OR THERMOSTATIC CONTROL Figure 46 UH SVX01A EN Electrical Connections Electrical Connections S Model N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Failure to disconnect power before servicing can cause severe personal injury or death N WARNING Hazardous Voltage Do not use any tools i e screwdriver pliers etc across the terminals to check for power Use a voltmeter Fa
8. TRANE S amp P Unit Heaters Model Numbers UHSA UHPA May 2007 UH SVX01A EN Hazard Identification Warnings and Cautions appear at appropriate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury ZNCAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION Indicates a situation that may result in equipment or property damage only accidents N WARNING Operational Hazards Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment N WARNING Compliance Hazards Failure to comply with the general safety information may result in extensive property damage severe personal injury or death AN WARNING Unit Alterations Do not alter the unit heater in any way or damage to the unit and or severe personal injury or death may occur WARNING Voltage Hazard Disconnect all power supplies before installing or servicing the heater If the power disconnect is out of sight lock it in the open position and tag it to prevent unexpected application of power Failure to do so could result i
9. consult ASHRAE guides of the manufacturer s literature on these products 18 Installation FORCED HOT WATER D 08370 01 Figure 16 HIGH PRESSURE STEAM D 08570 02 Figure 17 UH SVX01A EN e m Installation Figure 18 UH SVX01A EN 19 7 Installation S Type Unit Mounting N WARNING Heavy Objects Ensure that all hardware used in the suspension of each unit heater is more than adequate for the job Failure to do so may result in extensive property damage severe personal injury or death WARNING Structural Integrity Make certain that the structure to which the heater is mounted is capable of supporting its weight Under no circumstances must the gas lines the venting system or the electrical conduit be used to support the heater or should any other objects i e ladder person lean against the heater gas lines venting system electrical conduit for support Failure to heed these warnings may result in property damage personal injury or death ZNCAUTION Lifting Suspension Methods Make certain that the lifting methods used to lift the heater and the method of suspension used in the field installation of the heater are capable of uniformly supporting the weight of the heater at all times Failure to heed this warning may result in property damage or personal injury CAUTION Performance Failure Unit he
10. 093 818 5 334 309 49 2 3 38 11 85 99 16 79 14 4 213 034 29 99 UH SVX01A EN 51 Table 36 Hot Water Performance Data Low Output Units Standard Vertical Unit with All Air Ports Open continued Water Temp Drop Output MBH Flow Rate Press Drop ft water Final Air Temp Nominal CFM Outlet Velocity Model No F C kW G P M L s m water Motor kW R P M m3 s FPM m s Sound Rating 109 54 5 11 24 1 06 93 59 5 69 16 0 709 323 34 29 209 48 5 4 99 23 89 8 102L 1 8 850 1499 827 H 11 19 14 2 315 070 32 19 093 700 4 201 30 42 4 2 91 08 86 1 16 7 12 4 184 024 30 1 10 83 7 17 24 2 40 95 4 5 6 24 5 1 088 732 35 2 20 73 9 7 62 51 91 3 122L 1 6 1100 2180 1390 III 11 19 21 7 481 156 32 99 124 1 017 7 061 309 64 2 4 41 18 87 1 16 79 18 8 278 055 30 69 109 95 4 19 66 2 92 97 39 5 69 28 0 1 240 891 36 3 209 85 5 8 81 65 93 49 1461 1 6 1100 2360 1080 III 11 19 25 1 556 198 34 1 124 1 101 5 486 309 75 6 5 20 24 89 59 16 79 22 2 328 073 31 9 109 112 3 23 15 2 70 95 49 5 69 32 9 1 460 824 35 2 209 100 7 10 38 60 91 89 1661 1 6 1100 2920 1340 IV 11 19 29 5 655 183 33 2 124 1 363 6 807 309 89 2 6 13 22 88 1 16 7
11. 13 6 605 192 43 39 209 38 5 3 97 12 101 29 0 1 20 1150 858 894 11 19 11 3 250 037 38 49 037 400 4 542 309 30 5 2 09 03 92 79 16 7 8 9 132 009 33 79 109 77 2 15 91 2 06 106 6 5 69 22 6 1 004 628 41 49 209 68 3 7 03 44 101 29 102 1 8 1070 1528 980 11 19 20 0 443 134 38 49 093 713 42978 309 59 3 4 08 116 95 89 16 7 17 4 257 049 35 49 109 63 7 13 13 1 43 108 69 5 60 18 7 828 436 42 69 209 56 5 5 82 31 103 1 102 1 8 850 1208 783 H 11 1 16 6 367 095 39 59 093 564 3 978 309 49 2 3 38 11 97 69 16 7 14 4 213 034 36 49 109 94 9 19 55 3 04 108 99 5 69 27 8 1 233 927 42 79 209 83 7 8 63 65 103 19 122 1 6 1100 1790 1170 11 19 24 5 544 198 39 59 124 835 5 944 30 72 5 4 98 23 97 39 16 7 21 2 314 070 36 39 UH SVX01A EN 49 Hot Water Performance Data Table 35 P Type Standard Output Units continued Water Temp Drop Output MBH Flow Rate Press Drop ft water Final Air Temp Nominal CFM Outlet Velocity Model No F C kW G P M L s m water F C Motor kW R P M m3 s FPM m s Sound Rating 10 117 6 24 24 4 32 108 8 5 6 34 5 1 529 1 318 42 7 20 105 2 10 84 96 103 79 129 11 19 30 8 684 293 39 89 5 1100 G
12. 2 393 1 772 39 19 1 1 2 1160 8020 1640 IV 309 333 6 22 92 2 29 98 39 13119 CA 9 331 16 7 97 7 1 446 698 36 89 159 451 2 62 00 8 78 104 09 8 39 132 2 3 911 2 678 40 09 209 431 1 44 43 4 72 102 09 600 11 1 126 3 2 803 1 440 38 9 EARS TUS 9305 dd 309 391 0 26 86 1 86 98 19 16 79 114 6 1 694 567 36 79 50 UH SVX01A EN TRANE Hot Water Performance Data Table 35 P Type Standard Output Units continued Water Final Temp Press Drop Air Nominal Outlet Drop Output MBH Flow Rate ft water Temp CFM Velocity Model No F C kW G P M L s m water F C Motor kW R P M m3 s FPM m s Sound Rating 209 519 4 53 52 5 29 103 5 11 19 152 2 3 376 1 613 39 79 3 11 000 2250 720 30 470 9 32 35 208 99 50 2 237 1165 5 133 11 430 IV 16 79 138 0 2 041 634 37 59 Performance based 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 the tables on page 17 Speed controller option is required for reduced ratings Table 36 Low Output Units Standard Vertical Unit with All Air Ports Open Water Final Temp Press Drop Air Nominal Outlet Drop Output MBH Flow Rate ft water Temp CFM Velocity Model No F C kW G P M L s m water Motor
13. 40 F I CAPACITY Read output directly from Table 20 24 000 BTU A For 2 Ibs steam 60 entering air HR Ref Std 24 B For higher steam pressures and or E A T s above Multiply output from Table 20 by appropriate 24 000 x 1 29 30 960 BTU HR or below 609 correction factor from Table 22 II FINAL AIR TEMPERATURE Read temperature directly from Table 20 109 F A For 2 Ibs steam 60 entering air Ref Std 24 B For capacities calculated in I B above Output from I B 1 085 x CFM from Table 20 30 960 1 085 x 450 40 103 4 F E A T Final Air Temp III FINAL AIR VOLUME 460 Final Air Temp from Table 20 530 x Nom 460 109 530 x 450 483 CFM A For 2 165 steam 60 entering air CFM from Table 20 Final Air Volume B For final air temperatures calculated in II B 460 Final Air Temp from II B 530 x Nom CFM 460 103 4 530 x 450 478 CFM above from Table 20 Final Air Volume IV CONDENSATE PER HOUR Read Ibs per hour from Table 20 24 5 LBS HR A For 2 Ibs steam 60 entering air Ref Std 24 B For capacities calculated in I B above Output from Latent Heat From Table 23 30 960 953 32 5 LBS HR Ibs per hour of condensate Table 22 STEAM CORRECTION FACTORS BASED ON 2 PSI 13 8 kPa STEAM AND 60 Deg F 16 Deg ENTERING STEAM PRESSURE SATURATED LBS PER SQ IN kPa AIR TEMP Deg F 0 2 5 10 15 20 30 40 50 75 100 125 150 Deg
14. 60 F water 8 77 8 3453 Pound Gallon pH 50 by volume 9 5 55 50 28 Freezing Point by volume 40 13 F 30 4 F 20 17 F Compared to water Table 15 Approximate 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 29 Options S Models Variable Speed Control 115 Volt Only optional The solid state speed controller may be installed at any convenient location and is suitable for surface or flush type mounting A Standard electrical single or double gang wall box is recommended as in Figure 28 SPEED T STAT CONTROLLER 0 0 1 115V D05575 Figure 28 Wiring Diagram of Speed Control Installation Installation Procedure 1 Attach the control s leads to the electrical leads in the control box using wire nuts The speed control is to be wired in series with the motor See wiring diagram in Figure 28 2 Make certain wire nuts are tight with no copper wire being exposed 3 Place wires and wire nuts back into box allowing room for the control to fit in box also 4 Mount speed control to box using number 6 flathead screws provided Setting the Control 1 Turn the control shaft fully clockwise If the motor is not running at the desired low speed adjust the trim on the face of the control
15. E A T Final Air Temp III FINAL AIR VOLUME 460 Final Air Temp from Table 24 530 x Nom 460 124 530 x 595 655 CFM A For 2 165 steam 60 entering air from Table 24 Final Air Volume B For final air temperatures calculated In II B 460 Final Air Temp from II B 530 x Nom 460 121 0 530 x 595 652 CFM above from Table 24 Final Air Volume IV CONDENSATE PER HOUR Read Ibs per hour from Table 24 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 28 Ibs 52 451 953 55 0 LBS HR per hour of condensate Table 27 STEAM CORRECTION FACTORS BASED 2 LBS STEAM 60 E A T ENTERING STEAM PRESSURE LBS PER SQ IN SATURATED AIR TEMP 0 2 5 10 15 20 30 40 50 75 F C 0 13 8 34 5 68 9 103 4 137 9 206 8 275 8 344 7 517 1 309 1 1 18 1 22 1 27 1 34 1 40 1 45 1 53 1 61 1 67 1 79 40 4 1 11 1 15 1 20 1 27 1 32 1 37 1 46 1 53 1 59 1 71 50 109 1 03 1 07 1 12 1 19 1 25 1 30 1 39 1 46 1 52 1 64 609 169 0 96 1 00 1 05 1 12 1 18 1 23 1 32 1 39 1 45 1 57 70 21 0 90 0 93 0 98 1 05 1 11 1 16 1 25 1 32 1 38 1 49 809 279 0 83 0 86 0 91 0 98 1 04 1 09 1 18 1 25 1 31 1 42 909 329 0 76 0 80 0 85 0 91 0 97 1 02 1 11 1 18 1 24 1 36 1009 389 0 69 0 73 0 78 0 85 0 90 0 96 1 04 1 11 1 17 1 29 Table 28 PROPERTIES OF SATURATED STEAM STEAM PRESSURE IN LBS PER SQUARE INCH GAUGE 0 0 2 13 8 5 34 5
16. Note Stated draw is Full Load FLA AMP draw varies by motor manufacturer 2 AMPS Verify FLA on motor data plate For Table 16 Optional variable speed switch is available These motors have automatic thermal over load protection or impedance protection These motors are 230 460 volts only 1 Models 336 through 720 are not available for either Totally Enclosed or Explosion Proof with Overload 115 1 60 motor types 38 Motor Data Table 16 Standard Totally Enclosed Motor Type MT 1 Unit Model No AMP MCA MOP HP RPM 115 1 601 Operating Voltage 42 1 23 1 6 2 8 1 40 1550 64 2 14 2 6 4 7 1 20 1550 80 102 1 2 1 5 27 1 8 1070 122 158 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 Operating Voltage 42 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 64 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 80 102 0 98 1 1 0 55 1 2 1 4 0 7 2 2 2 5 1 2 1 6 1140 122 146 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 3 1 3 2 1 6 3 9 4 0 2 0 7 0 7 2 3 6 3 4 1140 384 500 5 3 5 0 2 5 6 6 6 3 3 1 11 9 11 3 5 6 1 1 2 1160 600 720 9
17. kW R P M m3 s FPM m s Sound Rating 109 23 9 4 92 26 92 99 5 69 7 0 310 079 33 89 209 18 9 1 95 04 86 19 421 1 40 1550 668 950 1 11 19 5 5 123 012 30 19 019 312 4 826 309 14 0 96 01 79 39 16 79 4 1 061 003 26 39 109 16 7 3 45 113 92 89 5 69 4 9 218 040 33 89 421 1 40 1150 470 672 11 19 4 0 088 006 30 29 109 41 5 8 56 80 91 99 5 69 12 2 540 244 33 39 209 34 2 3 53 15 86 39 641 1 20 1550 1200 1190 11 19 10 0 223 046 30 29 037 560 6 045 309 27 0 1 85 04 80 79 16 79 7 9 117 012 27 19 109 32 4 6 68 50 94 79 5 69 9 5 421 153 34 89 209 26 9 2 77 09 88 7 64L 1 20 1150 862 858 H 11 19 7 9 175 027 31 59 037 402 4 359 309 21 3 1 46 03 82 8 16 79 6 2 092 009 28 29 109 48 9 10 09 69 93 29 5 69 14 3 637 210 34 09 209 40 5 4 17 113 87 49 80L 1 20 1550 1360 1350 II 11 1 11 9 263 040 30 8 037 635 6 858 309 32 0 2 20 04 81 7 16 79 9 4 139 012 27 69 109 38 5 7 94 44 95 7 5 6 11 3 501 134 35 49 209 32 0 3 29 08 89 69 80L 1 20 1150 995 992 II 11 19 9 4 208 024 32 09 037 464 5 039 309 25 4 1 75 02 83 5 16 79 7 4 110 006 28 69 109 63 7 13 13 1 43 93 59 5 69 18 7 828 463 34 29 209 56 5 5 82 131 89 79 1021 1 8 1070 1752 1050 11 19 16 6 367 095 32 19
18. the design engineer However the information given here may be of additional help to the installer Vertical unit heaters should be located to give spot heating ora circulatory distribution preferably near the outer perimeter of the building The units should be spaced to properly blanket the areas with UH SVX01A EN Installation warm air Place the units at points of greatest heat loss Blanket outside doorway and provide ample coverage of window areas Keep units away from obstructions that will impede the full and natural air delivery of the units Install unit heaters to meet CSA and OSHA requirements Vertical Unit Heaters mounted lower than 2 4 meters 8 feet from the floor must be equipped with an OSHA fan guard Weldnuts are provided at the top of all units for suspension purposes The unit should be suspended from connections provided in the unit by means of rods The rods should then be attached to solid supports of the building Units must hang level vertically and horizontally Provide sufficient clearance around units for maintenance purposes This includes at least 7 inches above all Vertical Unit Heaters even though the motor is removable through the bottom Isolators are not required but may be desirable for some applications Refer to Table 2 for Unit Weights Table2 Unit Weights Lbs Vertical Unit Heaters Unit Weights Lbs 042 26 06
19. 0 15 5 15 5 14 0 13 5 4 6 4 4 4 4 3 8 3 7 4 9 4 7 4 7 4 3 4 1 064L 122 19 0 18 5 18 5 16 5 16 0 19 5 19 0 18 5 17 0 16 0 5 8 5 6 5 6 5 0 4 9 5 9 5 8 5 6 5 2 4 9 11 5 11 0 11 0 9 5 9 0 21 0 20 5 20 0 17 5 17 0 3 5 3 4 3 4 2 9 2 7 6 4 6 2 6 1 5 3 5 2 14 0 13 5 13 5 12 0 11 5 1225 26 0 25 5 25 0 22 5 21 5 4 3 4 1 4 1 3 7 3 5 7 9 7 8 7 6 6 9 6 6 15 0 14 5 14 0 12 0 11 5 15 5 15 0 14 5 13 0 12 0 4 6 4 4 4 3 3 7 3 5 4 7 4 6 4 4 4 0 3 7 060 18 5 18 0 17 5 15 5 15 0 548 19 0 18 5 18 0 16 0 15 5 5 6 5 5 5 3 4 7 4 6 5 8 5 6 5 5 4 9 4 7 11 0 10 5 10 5 9 0 8 5 18 0 17 5 17 5 15 0 14 0 3 4 3 2 3 2 2 7 2 6 5 5 5 3 5 3 4 6 4 3 080 1461 13 5 13 0 13 0 11 5 11 0 22 5 22 0 21 5 18 5 18 0 4 1 4 0 4 0 3 5 3 4 6 9 6 7 6 6 5 6 5 5 NOTES Low Speed L Low output model with all air ports open Figures in bold face show maximum mounting height with louver cone diffusers set vertically Above table 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 14 UH SVX01A EN Installation Table 4 Maximum Mounting Height in Feet with and without L
20. 10 68 9 15 103 4 20 137 9 30 206 8 40 275 8 50 344 7 75 517 1 Steam Temperature F C 212 0 218 5 227 1 239 4 249 8 258 8 274 0 286 7 297 7 319 9 100 0 103 6 108 4 115 2 121 0 126 0 134 4 141 5 147 6 159 9 Latent Heat of Steam Btu 970 966 961 953 946 940 929 920 912 891 Ibm KJ Kg 2256 2247 2235 2217 2200 2186 2161 2140 2121 2072 Note Ratings apply only to free inlet and discharge 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 in nitely controllable Models 166 through 720 operate at constant speed as indicated in motor data Note For specific motor data refer to motor specifications in Table 16 and Table 17 Note To correct for entering air temperatures use 1 temperature rise for each foot in mounting height As an example 60 air is equired at work area 5 ft above oor 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 6 UH SVX01A EN 45 Hot Water Performance Data
21. 112 082 157 900 700 510 11 5 44 330 2 591 52 300 104 1000 1100 800 Il 072 o 5 3 0 23 1 20 1 4 13 8 i 41 448 3 556 61 000 100 1000 1400 900 IH 084 6 1 eS 0 24 1 12 2 2 54 900 385 106 073 ies 900 1100 750 Il 16 1 41 519 3 810 69 700 106 1000 1400 930 IH 096 ER 7 0 20 0 29 1 12 2 2 18 4 45 519 4 064 108 78 400 100 1000 1800 1000 23 0 38 T s 850 5 080 5 70 500 498 103 110 ES 900 1500 900 Il 20 7 39 708 4 572 46 UH SVX01A EN TRANE Hot Water Performance Data Table 29 Model S Serpentine and Header Type continued 120 87 100 8 8 102 0 39 1 3 1140 1900 900 4 5 IH 25 5 555 39 119 249 897 4 572 132 95 800 9 6 104 0 41 1 3 1140 2000 950 4 5 IV 28 1 606 40 125 249 944 4 826 144 104 000 10 4 104 0 43 1 3 1140 2200 1000 4 5 IV 30 5 656 40 131 249 1 038 5 080 156 113 000 11 3 100 0 53 1 3 1140 2600 1150 4 5 IV 33 1 743 38 162 249 1 227 5 842 180 118 000 11 8 110 0 6 1 3 1140 2200 800 4 5 34 6 744 43 183 249 1 038 4 064 204 148 000 14 9 107 0 79 1 3 1140 2900 1000 4 5 IV 43 4 940 42 241 249 1 369 5 080 240 174 000 17 4 106 1 06 1 3 1140 3500 900 4 5 IV 51 0 1 098 41 323 249 1 652 4 572 280 209 100 21 0 106 1 33 1 2 1100 4200 980 5 4 IV 61 3 1 325 41 4
22. 1140 available as options 1 3 and 80 1 2 H P motors operate at 102 1 0 1 0 0 5 1 3 1 3 04 2 3 2 3 11 1 6 1140 single speed only 122 Note Stated AMP draw is Full Load due 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 Amp FLA AMP draw varies by motor manufacturer x 0 2 166 AMPS Verify FLA per unit 202 1 1 1 1 0 55 1 4 1 4 0 7 2 5 2 5 1 2 1 4 1140 motor data plate 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 3 1 3 2 1 6 3 9 4 0 2 0 7 0 7 2 3 6 3 4 1145 384 500 5 0 2 5 6 5 3 3 11 7 5 9 1 1 2 1150 600 720 10 0 5 0 12 5 6 3 22 5 11 3 3 1150 For Table 17 Optional variable speed switch is available These motors have automatic thermal over load protection or impedance protection These motors are 230 460 volts only Models 336 through 720 are not available for either Totally Enclosed or Explosion Proof with Overload 115 1 60 motor types ii Note All motors are constant Motor Data S Models ZNCAUTION Voltage Selections Select appropriate AMP MCA and MOP for the multiple voltage motors For example the MCA and MOP for Models 360 with a 460 volt Totally Enclosed motor is 1 3 1 6 and 2 9 respectively Also refer to Maintenance section for additional motor data UH SVX01A EN speed and operate at top speed as indicated in motor data Models 18 through 108 including A08 A18 A25 and A36 can be run at reduced speed with addition of optional var
23. 14 5 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 36 371 186 457 229 156 75 83 238 311 318 32 57 327 254 13 6 48 17 1 8 89 16 201 2 101 4 57 8 215 16 5 1 16 10 15 16 14 3 4 15 11 4 13 4 153 8 6 12 41 60 435 217 521 260 149 75 129 278 375 381 32 44 391 305 18 6 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 44 467 233 552 276 152 75 129 281 406 413 32 44 422 356 19 9 84 20 7 8 10 7 16 24 1 4 12 1 8 61 8 215 16 5 11 16 11 13 16 18 1 2 18 3 4 11 4 1 3 4 191 8 8 14 47 530 265 616 308 156 75 144 300 470 476 32 44 486 356 21 3 96 195 8 913 16 24 12 65 16 33 16 71 2 13 13 16 17 1 4 17 1 2 11 2 13 4 177 8 8 16 49 108 498 249 610 305 160 81 191 351 438 445 38 44 454 406 22 2 120 207 8 107 16 25 1 4 12 5 8 6 5 16 33 16 6 11 16 13 18 1 2 18 3 4 11 2 13 4 191 8 8 18 59 530 265 641 321 160 81 170 330 470 476 38 44 486 457 26 7 132 23 3 8 11 11 16 27 3 4 13 7 8 6 5 16 33 16 7 5 8 14 21 211 4 11 2 13 4 215 8 9 18 74 144 594 297 705 352 160 81 194 356 533 540 38 44 549 457 33 5 156 233 8 1111 16 273 4 137 8 65 16 33 16 77 16 133 4 21 211 4 11 2 13 4 215 8 9 18 74 594 297 705 352 160 81 189 349 533 540 38 44 549 457 33 5 180 245 8 125 16 29 141 2 63 8 33 16 77 16 133 4 221 4
24. 156 180 204 5 4 6 8 12 2 1 4 1140 22 11 2 8 14 5 0 2 5 1 3 1140 240 280 300 7 4 3 7 9 3 47 16 7 8 3 1 3 1140 22 11 2 8 1 4 5 0 2 5 1 3 1140 360 7 4 3 7 9 3 4 7 16 7 83 1 2 1140 22 11 2 8 1 4 5 0 2 5 1 3 1140 230 1 60 unit has 115 1 60 motor supplied with field installed stepdown transformer 40 UH SVX01A EN Steam Performance Data Table 20 Model S Header Type Only Output BTU Cond E D R Final Air Nom Fan HR Ibs hr Sq Ft Deg F Motor HP Nominal Outlet FPM Nom Amps Diam Inches Unit Size kW kg hr sq m Deg C kW RPM CFM m3 s m s 115 mm 18 000 18 0 75 102 1550 395 395 9 5 3 8 2 7 0 39 186 2 007 228 6 Lad 16 200 16 2 68 105 16 Watts 1350 330 330 080 9 4 7 7 3 6 3 41 156 1 676 228 6 24 000 24 5 100 109 1550 450 450 10 7 0 11 1 9 3 43 212 2 286 254 0 024 21 600 22 0 90 112 HS Watts 1350 380 380 ed 10 6 3 10 0 8 4 44 179 1 930 254 0 36 000 37 0 150 119 1550 550 550 10 10 5 16 8 13 9 48 260 2 794 254 0 036 32 400 33 0 135 io 25448260 1350 480 480 ae 10 9 5 14 9 12 5 49 227 2 438 254 0 48 000 49 0 200 119 1000 750 550 12 14 1 22 2 18 6 48 1 20 354 2 794 304 8 048 43 200 44 0 180 123 037 900 630 460 s4 12 12 7 19 9 16 7 51 297 2 337 304 8 60 000 61 0 250 121 1000 9
25. 27 0 29 5 38 0 13 0 47 0 19 0 55 0 7 6 8 2 9 0 11 6 4 0 14 3 5 8 16 8 280 26 0 29 0 32 0 40 0 15 0 50 0 21 0 60 0 7 9 8 8 9 8 12 2 4 6 15 2 6 4 18 3 336 30 0 34 0 36 0 47 0 18 0 55 0 24 0 66 0 9 1 10 4 11 0 14 3 5 5 16 8 7 3 20 1 384 35 5 39 0 41 0 52 0 20 0 59 0 28 0 71 0 10 8 11 9 12 5 15 8 6 1 18 0 8 5 21 6 500 36 5 42 0 43 5 57 0 24 0 65 0 30 0 76 0 11 1 12 8 13 3 17 4 7 3 19 8 9 1 23 2 600 42 5 45 0 46 5 60 0 26 0 70 0 34 0 78 0 13 0 13 7 14 2 18 3 7 9 21 3 10 4 23 8 720 48 0 46 0 53 0 63 0 28 0 75 0 38 0 87 0 14 6 14 0 16 2 19 2 8 5 22 9 11 6 26 5 16 UH SVX01A EN Installation A mm ee ON Example A M 4 18 5 4 y MEN WR fx m X 005580 js Figure 15 Notes meet OSHA requirements units mounted lower than 8 feet from the floor must be equipped with an OSHA fan guard Table 7 Mounting Height Correction Factors Water F 150 160 170 180 190 200 Temperature C 66 71 77 82 88 93 Steam PSI Pressure kPa Correction Factor 1 32 1 27 1 23 1 18 1 14 1 09 Water 210 219 227 239 250 259 Temperature 99 104 108 115 121 126 Steam PSI 2 5 10 15 20 Pressure kPa 13 8 34 5 68 9 103 4 137 9 Correction Factor 1 05 1 00 0 97 0 94 0 89
26. M L s m water F C Motor kW R P M P Type Standard Output Units Water Final Temp Press Drop Air Drop Output MBH Flow Rate ft water Temp Nominal CFM Outlet Velocity m3 s FPM m s Sound Rating 109 28 8 5 93 37 104 6 5 6 8 4 374 113 40 39 209 22 7 2 34 06 95 29 42 1 40 1550 595 877 I 1119 6 7 148 018 35 19 019 278 4455 309 16 7 1 15 02 85 99 16 7 4 9 073 006 29 99 109 22 9 4 71 24 108 3 5 69 6 7 297 073 42 49 209 18 1 1 87 04 98 39 42 1 40 1150 436 658 I 11 1 5 3 118 012 36 89 019 203 3 343 30 13 4 92 01 88 49 16 7 3 9 058 003 31 39 109 48 1 9 92 1 05 104 89 5 69 14 1 626 320 40 49 209 39 6 4 08 19 96 9 64 1 20 1550 989 1005 Il 11 1 11 6 257 058 36 19 03 462 5105 309 31 1 2 14 06 89 09 16 7 9 1 135 018 31 79 109 38 1 7 85 67 109 79 5 6 11 2 495 204 43 29 209 31 5 3 24 13 101 1 64 1 20 1150 706 727 H 1119 9 2 204 040 38 49 037 329 8 693 309 24 8 1 71 04 92 49 16 7 7 3 108 012 33 69 109 58 7 1211 98 105 19 5 60 17 2 764 299 40 69 209 48 4 4 99 18 97 29 80 1 20 1550 1200 1220 111 14 2 315 055 36 29 03 560 6198 309 38 1 2 62 05 89 39 16 7 11 2 165 015 31 89 10 46 5 9 59 63 110 0 5 69
27. 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 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 RATING for various applications The lower the number the quieter the unit and the lower the sound requirement 28 Technical 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 12 Corrections When Using Glycol Solution in System Propylene Glycol Heat transfer 180 F 82 C with 20 solution 497 no increase inflow rate 50 solution 90
28. i NX p uL SUPPLY F T OR HOT WATER RETURN STEAM S uuo fur OR HOT WATER t LA YQ E SUPPLY P D Figure 24 Models 42 80 Table 8 Roughing in Dimensional Data Model Size 42 80 Unit Capacity MBH Fan Dia A B FG H L Min P 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 3 5 8 064 131 2 211 445 8 15 8 14 1 4 14 13 8 17 8 7 11 2 35 8 71 8 23 4 14 35 8 080 131 2 211 4 61 8 15 8 14 1 3 14 13 8 1 7 8 7 11 2 35 8 85 8 23 4 14 35 8 UH SVX01A EN 23 Dimensional Data 4 MOUNTING HOLES 3 8 16 FOR 102 384 THREAD TAPS 1 2 13 FOR 500P 720P CEILING STEAM L SUPPLY OR HOT WATER RETURN STEAM RETURN OR SUPPLY Figure 25 Models 102 720 Table 9 Roughing in Dimensional Data Model Size 102 720 Unit Capacity Fan L P MBH Dia A B G H K NPT R 5 T U V 102 16 3 4 25 1 4 61 8 2 171 2 1 1 8 122 16 3 4 25 1 4 6 1 8 2 171 2 1 3 4 7 146 19 3 4 29 1 2 6 1 8 2 3 8 20 5 8 1 1 4 7 166 19 3 4 29 1 2 6 1 8 2 3 8 20 5 8 1 3 4 7 202 19 3 4 29 1 2 7 5 8 2 3 8 20 5 8 2 4 201 2 1 3 4 3 1 2 7 252 25 1 4 37 1 2 7 5 8 3 263 8 1 31 2 28 13 4 31 2 7 280 25 1 4 37 1 2 75 8 3 263 811 4 31 2 28 13 4 31 2 7 7 7 7 7 7
29. 0 208 0 850 124 1 3 1140 2900 1000 4 5 18 59 8 94 2 79 0 51 249 1 369 5 080 457 2 240 240 000 244 0 1000 123 1 3 1140 3500 900 4 5 20 70 3 110 5 92 9 51 249 1 652 4 572 508 0 UH SVX01A EN 41 Steam Performance Data Table 20 Model S Header Type Only continued Output BTU Cond E D R Final Air Nom Fan HR Ibs hr Sq Ft Deg F Motor HP Nominal Outlet FPM Nom Amps Diam Inches Unit Size kW kg hr sq m Deg C kW RPM CFM m3 s m s 115 280 280 000 280 0 1100 121 1 2 1100 4200 980 5 4 20 82 0 126 8 102 2 49 373 1 982 4 978 508 0 300 300 000 310 0 1250 117 1 2 1100 5000 700 5 4 24 87 9 140 4 116 1 47 373 2 360 3 556 609 6 360 360 000 366 0 1500 120 1 2 1100 5500 1000 5 4 24 105 5 165 8 139 4 49 373 2 596 5 080 609 6 Performance based on 2 steam pressure 13 8 kpa at heater with air entering 60 F 16 C For Sound Ratings See Pages 28 and 29 Use conversion table for all metric conversions For the lower output an optional Speed Controller must be ordered tStated AMP is full load for the standard motors draw varies by motor manufacturer 0 2 AMPS Please see your unit s motor data plate for exact FLA Full Load Amp rating Table 21 Steam Calculations and Correction Factors EXAMPLE Unit Size 24 Steam Pressure 10 PSI Entering Air Temp
30. 0 86 Water oF 267 280 287 298 307 320 Temperature C 131 138 142 148 153 160 Steam PSI 25 35 40 50 60 75 Pressure kPa 172 4 241 3 275 8 344 7 413 6 517 1 Correction Factor 0 83 0 80 0 76 0 73 0 70 0 69 UH SVX01A EN 17 7 Piping To provide proper coil operation follow all piping recommendations listed in this manual Threaded pipe headers are provided on all Vertical Units for piping connections See Figure 25 Connections are given in Figure 18 and Figure 19 and Table 27 and Table 28 Follow standard practices and codes when installing the piping Provide swing joints for expansion purposes unions and shut off valves for servicing purposes and as illustrated in Figure 6 through Figure 9 valves and traps for control purposes Use 45 degree angle run offs from all supply and return mains Dirt pockets should be the same pipe size as the return tapping of the unit heater Also pipe size in the branchoff should be the same size as the tapping in the traps Beyond the trap the return lateral pipe should be increased one size up to the return main Properly support all piping to unit Do not allow piping to place a strain on the coil or unit Noise or coil failure may occur It is assumed that the type of system to be used has been selected by design engineer The sketches shown are for different type of steam systems or hot water systems For sizing of piping traps filter etc
31. 00 650 12 17 6 27 6 23 2 49 1 20 425 3 302 304 8 090 54 000 55 0 225 131 037 900 700 510 14 12 15 8 24 9 20 9 55 330 2 591 304 8 72 000 73 0 300 120 1000 1100 800 14 21 1 33 1 27 9 49 1 20 519 4 064 355 6 072 64 800 66 0 270 123 037 900 950 700 ns 14 19 0 29 9 25 1 51 448 3 556 355 6 84 000 85 0 350 115 1000 1400 900 14 24 6 38 5 32 5 46 1 12 661 4 572 355 6 084 75 600 76 0 315 123 962 900 1100 750 2 14 22 2 34 4 29 3 51 519 3 810 355 6 96 000 97 0 400 123 1000 1400 930 16 28 1 43 9 37 2 51 1 12 661 4 724 406 4 096 86 400 88 0 360 132 6 062 900 1100 800 e 16 25 3 39 9 33 4 56 519 4 064 406 4 108 000 110 0 450 115 1000 1800 1000 16 31 6 49 8 41 8 46 1 12 850 5 080 406 4 108 97 200 98 0 405 120 6062 900 1500 900 e 16 28 5 44 4 37 6 49 708 4 572 406 4 120 120 000 122 0 500 118 1 3 1140 1900 900 4 5 18 35 2 55 3 46 5 48 249 897 4 572 457 2 132 132 000 134 0 550 121 1 3 1140 2000 950 4 5 18 38 7 60 7 51 1 49 249 944 4 826 457 2 144 144 000 146 0 600 120 1 3 1140 2200 1000 4 5 18 42 2 66 1 55 7 49 249 1 038 5 080 457 2 156 156 000 160 0 650 115 1 3 1140 2600 1150 4 5 18 45 7 72 5 60 4 46 249 1 227 5 842 457 2 180 180 000 190 0 770 135 1 3 1140 2200 800 4 5 18 52 7 86 1 71 5 57 249 1 038 4 064 457 2 204 204 00
32. 05 373 1 982 4 978 300 230 000 23 0 102 2 1 1 2 1100 5000 700 5 4 IV 67 4 1 451 39 640 373 2 360 3 556 360 261 300 26 2 103 2 1 1 2 1100 5500 1000 5 4 IV 76 6 1 653 39 640 373 2 596 5 080 Performance based on 200 F 93 C EWT 60 F 16 C E A T 20 F 11 C TD For Fan Diameter see Pages 41 and 42 For the lower output an optional Speed Controller must be ordered tStated AMP is full load for standard motors AMP draw varies by motor manufacturer 0 2 AMPS Please see your unit s motor data plate for exact FLA Full Load Amp rating Table 30 Hot Water Calculations and Correction Factors S Type EXAMPLE UNIT SIZE 024 Entering Water Temp 160 F Entering Air Temp 40 F Water Temperature Drop 10 F I CAPACITY 20 TD Read output directly from Table 29 17 400 A For 200 EWT 60 EAT BTU HR Ref Std 024 B For EWT and or EAT above or below Multiply output from Table 29 by factor from 17 400 x 878 15 277 BTU HR Standard Table 31 II CAPACITY AT OTHER TD s Multiply output obtained in IA Or IB above IA 17 400 x 1 15 20 010 BTU HR A For TD s from 5 to 60 F by appropriate factor from Table 32 OR 15 277 x 1 15 17 569 BTU HR III GPM AT OTHER TD s Multiply GPM of unit for 20 TD from 1 8 x 2 30 4 14 GPM Applies only to units A For TD s from 5 to 60 F Table 29 by appropriate factor from Table 32 with Std 200 EWT 60 EAT For all ot
33. 1 1 2 1175 10 300 2060 IV 150 9 241 4 199 1 41 1 119 4 807 10 465 720L 620 000 642 2580 108 3 1165 11 900 2380 IV 181 7 290 8 240 0 42 2 237 5 553 12 090 E D R Equivalent Direct Radiation 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 Performance data based 2 lbs steam pressure at heater with air entering 60 F To determine BTU per hour capacities at various steam pressures and entering air temperatures use conversion factors from Table 7 Final temperatures at new conditions can be calculated by applying basic formula 44 UH SVX01A EN Steam Performance Data Table 26 STEAM CALCULATIONS AND CORRECTION FACTORS P STYLE EXAMPLE UNIT SIZE 042 Steam Pressure 10 PSI Entering Air Temp 409 Read output directly from Table 24 41 300 BTU A For 2 Ibs steam 60 entering air HR B For higher steam pressures and or E A T s above Multiply output from Table 24 by appropriate 41 300 x 1 27 52 451 BTU HR or below 609 correction factor from Table 27 II FINAL AIR TEMPERATURE Read temperature directly from Table 24 124 F A For 2 Ibs steam 60 entering air B For capacities calculated in I B above Output from I B 1 085 x from Table 24 52 451 1 085 x 595 40 121 0 F
34. 16 7 32 412 11 1 4 286 41 4 108 5 9 229 22 10 0 18 16 406 18 457 16 7 32 412 11 1 4 286 41 4 108 5 10 254 24 10 9 25 16 406 18 457 16 7 32 412 11 1 4 286 41 4 108 5 10 254 25 11 3 6 18 1 2 470 20 1 2 521 18 22 32 475 13 3 4 349 5 1 8 130 6 12 305 31 14 0 UH SVX01A EN 25 Dimensional Data SUSPENSIO INT THREAD 46 TAPS FOR SUSPENDING UNIT NPT PIPE SIZE N NPT PIPE SIZE Figure 27 Header Type Models 18 thru 360 Note Motors are totally enclosed thermally protected sleeve bearing with 4 w x 2 h conduit connection boxes 3 8 16 nutserts are attached to enclosure for balanced hanging 26 UH SVX01A EN Dimensional Data Table 11 Header Models NOM NO FAN APPROX A B G H J K L M N OF DIAM SHIP inches inches inches inches inches inches inches inches inches inches inches inches inches LOU inches WT Ibs MODEL mm mm mm mm mm mm mm mm mm mm mm mm mm VERS mm kg 18 14 5 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 26 371 186 381 191 156 75 83 238 311 241 32 57 327 229 11 8 24
35. 17 70 21 0 212 0 353 0 494 0 636 0 777 0 918 1 060 1 201 1 342 1 483 1 630 80 27 0 140 0 279 0 419 0 558 0 698 0 837 0 977 1 117 1 257 1 397 1 545 909 32 0 069 0 207 0 345 0 483 0 621 0 759 0 897 1 035 1 173 1 311 1 462 100 38 0 0 137 0 273 0 409 0 546 0 682 0 818 0 955 1 094 1 230 1 371 To obtain the 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 the above tables Table 39 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 o USE FACTORS FROM THIS TABLE TO OBTAIN TEMPERATURE DROP SF 26 APPROXIMATE RESULTS 5 3 10 6 15 8 20 11 25 14 30 17 40 22 50 28 60 33 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 40 MINIMUM WATER FLOW GPM MODEL No 42 64 80 102 146 166 202 252 336 384 MIN GPM L s 55 55 55 755 82 1 10 1 10 1 10 1 10 035 035 035 035 052 052 069 069 06
36. 2 3 4 5 Description Vertical hydronic unit heaters are designed for installation requiring down flow air delivery offered in 15 sizes ranging from 41 300 to 705 000 BTU Hr and use with steam or hot water Low output increased airflow units are available for high ceiling applications The designs are certified by CSA per CAN CSA C22 2 and UL 1995 Do not alter these units in any way and do not attach any ductwork to these units If you have any questions after reading this manual contact the manufacturer Figure 1 Vertical Unit bottom Vertical Unit top Figure 2 Horizontal hydronic unit heaters are available in both serpentine and header type units Serpentine units offer outputs from 8 030 to 35 900 BTU s 2 4 to 10 5 kW and are ideal for hot water only installations with limited clearances Header type 8 9 10 11 12 13 horizontal units range from 18 000 to 360 000 5 3 to 105 5 kW and can operate with either hot water or steam Both units are furnished with totally enclosed motors with explosion proof motors as optional on header types The designs are certified by CSA per CAN CSA C22 2 and UL 1995 Do not alter these units in any way and do not attach any ductwork to the units If you have any questions after reading this manual contact the manufacturer Figure 3 Serpentine Type Figure 4 Header Type 14 15 16 17 18 19 20 Service Model Number Description DIGIT 1 2 3
37. 2 700 x 878 19 931 BTU HR Standard Table 38 II CAPACITY AT OTHER TD s Multiply output obtained in IA or IB IA 22 700 x 1 15 26 105 BTU HR A For TD s from 5 to 60 F above by appropriate factor from Table 39 OR IB 19 931 x 1 15 22 921 BTU HR III GPM AT OTHER TD s Multiply GPM of unit for 20 TD from Table 35 amp Table 36 2 34 x 2 30 5 38 GPM Applies only A For TD s from 5 to 60 F by appropriate factor from Table 39 to units with Std 200 EWT 60 EAT For all others calculate using formula GPM BTU 500 x TD IV PRESSURE LOSS AT OTHER TD s Multiply P D of unit for 20 TD from Table 35 amp Table 36 06 x 5 00 30 Ft H20 A ForTD s from 5 to 60 F by appropriate factor from Table 39 UH SVX01A EN 53 Hot Water Performance Data HOT WATER CONVERSION FACTORS BASED ON 200 ENTERING WATER 60 ENTERING AIR 20 TEMPERATURE DROP ENTERING WATER TEMPERATURE 20 WATER TEMPERATURE DROP Table 38 ENTERING AIR TEMPERATURE 1009 120 1409 160 180 200 220 240 260 280 300 F C 38 49 60 71 82 93 104 116 127 138 149 30 1 0 518 0 666 0 814 0 963 1 120 1 268 1 408 1 555 1 702 1 850 1 997 40 4 0 439 0 585 0 731 0 878 1 025 1 172 1 317 1 464 1 609 1 755 1 908 50 10 0 361 0 506 0 651 0 796 0 941 1 085 1231 1 375 1 518 1 663 1 824 60 16 0 286 0 429 0 571 0 715 0 857 1 000 1 143 1 286 1 429 1 571 1 7
38. 221 2 11 2 13 4 227 8 9 18 90 204 625 313 737 368 162 81 189 349 565 572 38 44 581 457 40 8 240 277 8 1315 16 301 4 151 8 81 8 33 16 57 8 14 251 2 233 4 2 13 4 261 8 10 20 125 708 354 768 384 206 81 149 356 648 603 51 44 664 508 57 280 277 8 1315 16 301 4 151 8 81 8 33 16 9 5 8 173 4 251 2 233 4 2 13 4 261 8 10 20 118 708 354 768 384 206 81 244 451 648 603 51 44 664 508 53 300 333 8 16 11 16 37 3 4 18 7 8 9 33 16 95 8 185 8 31 311 4 2 13 4 315 8 13 24 154 360 848 424 959 479 229 81 244 473 787 794 51 44 803 610 69 8 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 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 SVX01A EN 27 Technical Data S Models The performance data listed in Table 11 includes 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 higher the motor RPM the higher the sound level
39. 29 5 28 5 28 0 24 5 23 5 500 42 5 41 5 40 5 36 0 34 5 9 0 8 7 8 5 7 5 7 2 13 0 12 6 12 3 11 0 10 5 21 0 20 5 20 0 17 5 17 0 37 0 36 0 35 0 31 0 30 0 6 4 6 2 6 1 5 3 5 2 11 3 11 0 10 7 9 4 9 1 280 26 0 25 5 25 0 22 0 21 0 SUPE 46 5 45 5 44 5 39 0 37 0 7 9 7 8 7 6 6 7 6 4 14 2 13 9 13 6 11 9 11 3 25 5 25 0 24 5 21 0 20 0 38 5 37 5 36 5 32 0 30 5 7 8 7 6 7 5 6 4 6 1 11 7 11 4 11 1 9 8 9 3 32 0 31 0 30 0 26 0 25 0 d 48 0 47 0 46 0 40 0 39 0 9 8 9 4 9 1 7 9 7 6 14 6 14 3 14 0 12 2 11 9 24 0 23 0 22 0 20 0 19 0 42 5 41 5 40 5 35 0 33 5 7 3 7 0 6 7 6 1 5 8 13 0 12 6 12 3 10 7 10 2 336 30 0 29 0 28 0 25 0 24 0 220 53 0 52 0 51 0 44 0 42 0 9 1 8 8 8 5 7 6 7 3 16 2 15 8 15 5 13 4 12 8 NOTES Low Speed L Low output model with all air ports open Figures in bold face show maximum mounting height with louver cone diffusers set vertically Above table 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 Table5 Maximum Spread MODEL No 42 64 80 102 122 146 166 202 252 280 336 384 500 600 720 Spread ft m 15 17 20 24 26 27 28 32 35 37 45 50 54 57 60 4 6 5 2 6 1 7 3 7 9 8 2 8 5 9 8 10 7 11 3 13 7 15 2 16 5 17 4 18 3 No
40. 3 C ENTERING WATER 60 F 16 C ENTERING AIR amp 20 F 11 C WATER DROP TEMPERATURE DROP F C USE FACTORS FROM THIS TABLE TO OBTAIN 5 10 15 20 25 30 40 50 60 APPROXIMATE RESULTS 3 6 8 11 14 17 22 28 33 To obtain output for other Water Temperature Drops 1 25 1 15 1 08 1 00 94 90 83 76 72 multiply basic output rating by applicable Factor To obtain flow for other Water Temperature Drops 5 00 2 30 1 44 1 00 74 59 40 30 24 multiply basic rate rating by applicable Factor To obtain Pressure Loss Feet Meters of Water for other 10 00 5 00 2 00 1 00 60 40 20 13 07 temperature Drops multiply Basic loss at 20 F 11 C drop by Factor Table 33 MINIMUM WATER FLOW MODEL No A08 A18 A25 A36 18 24 36 48 60 72 84 96 MINIMUM GPM L s 0 125 0 125 0 125 0 125 0 750 1 240 1 240 1 490 1 490 1 620 1 860 3 350 008 008 008 008 047 078 078 094 094 102 117 211 MODEL 108 120 132 144 156 180 204 240 280 300 360 MINIMUM GPM 1 5 3 35 3 60 4 00 4 09 409 434 434 4 59 4 59 6 08 6 08 211 227 258 258 258 274 274 290 290 384 384 Table 34 HEATING CAPACITY FACTORS FOR VARIOUS RATES OF WATER FLOW of Rated Water Flow 25 50 75 100 125 150 175 Heating Capacity Factor 80 89 96 1 00 1 04 1 07 1 10 48 UH SVX01A EN TRANE Hot Water Performance Data Table 35 Model No F C kW G P
41. 4 32 080 36 102 51 122 54 146 69 166 69 202 75 252 115 280 120 336 120 384 126 500 267 600 210 720 260 EXAMPLE Table 4 lists maximum mounting height and floor spread data of warm air coverage at floor level with louver cone diffusers Correction factors for various water temp and psig of steam are in Table 7 An approximation of the floor spread when operating on other than 2 Ib Steam or 219 degree may be obtained by ratioing the new floor spread and the maximum mounting height to that at 2 Ib steam or 219 degree hot water Following is an example Determine the floor spread and the maximum mounting height of a std model 80 unit heater with a cone diffuser set at 90 degrees operating on 280 degree hot water From Table 6 maximum mounting height of a model 80 at 219 degree hot water is 18 5 ft with floor coverage of 14 0 ft diameter The maximum mounting height correction factor at 280 degree hot water is 0 80 18 5 ft x 0 80 14 8 ft Maximum mounting height of a model 80 using 280 degree hot water X floor spread of model 80 using 280 degree hot water X 14 8 x 14 0 18 5 X 2072 18 5 X 11 2 ft 13 Installation Table 3 Maximum Mounting Height in Feet with and without Louver Cone Diffuser Unit Size Steam Pressure PSI Unit Size Steam Pressure PSI 2 5 10 50 75 2 5 10
42. 40 5210 1500 IV 97 7 156 3 129 3 48 559 2 431 7 620 384 386 000 400 1610 118 3 4 1140 6140 1770 IV 1131 181 2 1498 48 559 2 865 8 992 500 496 000 514 2070 117 1 1 2 1175 8020 1640 IV 145 3 232 8 192 6 47 1 119 3 743 8 331 600 585 000 605 2440 117 1 1 2 1175 9450 1930 IV 171 4 274 1 227 0 47 1 119 4 410 9 804 720 705 000 729 2940 119 3 1165 11 000 2250 IV 206 6 330 2 273 5 48 2 237 5 133 11 430 E D R Equivalent Direct Radiation 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 Performance data based on 2 lbs steam pressure at heater with air entering 60 F To determine BTU per hour capacities at various steam pressures and entering air temperatures use conversion factors from Table 7 Final temperatures at new conditions can be calculated by applying basic formula UH SVX01A EN 43 Steam Performance Data Table 25 Low Output Standard Vertical Units with All Air Ports Open Unit Output Condensate E D R Final Air Capacity BTU HR Ibs hr Sq ft Temp F MotorH P Motor Nominal Outlet Velocity MBH kW kg hr Sq m C kW RPM m3 s FPM m s Sound Rating 34 800 36 145 108 1550 668 950 10 2 16 3 13 5 42 312 4 826 Nek 26 000 27 108 111
43. 50 75 13 8 34 5 68 9 344 7 517 1 13 8 34 5 68 9 344 7 517 1 10 5 10 0 10 0 9 0 8 0 18 0 17 5 17 5 15 0 14 0 3 2 3 0 3 0 2 7 2 4 5 5 5 3 5 3 4 6 4 3 12 5 12 0 12 0 11 0 10 0 22 0 21 0 21 0 19 0 18 0 3 8 3 7 3 7 3 4 3 0 6 7 6 4 6 4 5 8 5 5 7 5 7 5 7 5 7 5 7 5 13 0 12 5 12 0 11 0 10 5 2 3 2 3 2 3 2 3 2 3 4 0 3 8 3 7 3 4 3 2 042 9 0 8 5 8 5 7 5 7 5 17 0 16 5 16 0 14 0 13 5 2 7 2 6 2 6 2 3 2 3 5 2 5 0 4 9 4 3 4 1 12 5 12 0 12 0 10 5 9 5 14 0 13 5 13 0 11 5 11 0 3 8 3 7 3 7 3 2 2 9 4 3 4 1 4 0 3 5 3 4 14 5 14 0 13 5 12 0 11 5 102 17 0 16 5 16 0 14 0 13 5 4 4 4 3 4 1 3 7 3 5 5 2 5 0 4 9 4 3 4 1 9 0 8 5 8 5 7 5 7 5 11 0 10 5 10 5 9 5 9 0 2 7 2 6 2 6 2 3 2 3 3 4 3 2 3 2 2 9 2 7 10 5 10 0 10 0 9 0 8 5 102 13 5 13 0 13 0 12 0 11 5 3 2 3 0 3 0 2 7 2 6 4 1 4 0 4 0 3 7 3 5 12 0 11 5 11 5 10 0 9 5 17 5 17 0 16 5 15 0 14 5 3 7 3 5 3 5 3 0 2 9 5 3 5 2 5 0 4 6 4 4 goa 14 5 14 0 14 0 12 0 11 5 21 5 21 0 20 5 18 5 17 5 4 4 4 3 4 3 3 7 3 5 6 6 6 4 6 2 5 6 5 3 9 5 9 0 9 0 8 0 8 0 15 0 14 5 14 5 13 0 12 5 2 9 2 7 2 7 2 4 2 4 4 6 4 4 4 4 4 0 3 8 064 11 5 11 0 11 0 9 5 9 0 NET 18 5 18 0 18 0 16 0 15 0 3 5 3 4 3 4 2 9 2 7 5 6 5 5 5 5 4 9 4 6 15 0 14 5 14 5 12 5 12 0 16
44. 9 069 Table 41 HEATING CAPACITY FACTORS FOR VARIOUS RATES OF WATER FLOW of Rated Water Flow 25 50 100 125 150 175 Btu Hr Heating Capacity 80 89 1 00 1 04 1 07 1 10 54 UH SVX01A EN Periodic Service N WARNING Hazardous Voltage Open all disconnect switches and secure in that position before servicing unit Failure to do so may result in personal injury or death from electrical shock Rotating Components Allow rotating fans to stop before servicing to avoid serious injury to fingers and hands Because of the simple design of the steam and hot water unit heaters they are nearly maintenance free However depending on the environment simple maintenance practices should be adopted Periodically check the finned surfaces and vacuum these as often as necessary to remove any accumulation of lint and dirt Check fan blades and remove dirt accumulation If fan blades are not cleaned they tend to become unbalanced Most of the motors supplied on the unit heaters have either ball bearings or sleeve bearings and should not require lubrication for long periods of time It is however advisable that motor maintenance and lubrication recommended by the motor manufacturer be followed Check motors for dirt and dust accumulation and remove any accumulation as often as necessary Open type motors may overheat if the dirt or dust is not removed from ventilation openings Motor L
45. 9 26 1 387 067 31 2 109 135 8 27 98 3 85 96 99 5 69 39 8 1 765 1 174 36 1 209 121 8 12 52 85 93 09 2021 1 4 1100 3390 1560 III 11 19 35 7 790 259 33 9 186 1 582 7 925 309 107 3 7 37 32 89 29 16 79 31 4 465 098 31 8 109 168 5 34 72 6 75 94 59 5 69 49 4 2 190 2 059 34 7 209 153 8 15 85 1 56 91 49 2521 1 4 1100 4507 1270 IV 11 19 45 1 1 000 476 33 0 186 2 103 6 452 309 139 1 9 56 61 88 4 16 79 40 8 603 186 31 3 109 188 9 25 95 3 92 94 59 5 69 55 3 1 637 1 196 34 7 209 180 1 18 56 2 10 92 99 2801 1 2 1100 5040 1420 IV 11 19 52 8 1 171 641 33 8 373 2 352 7 214 309 162 7 11 18 82 89 79 16 79 47 7 705 250 32 1 109 220 9 30 35 5 26 95 79 5 69 64 7 1 915 1 604 35 4 209 210 6 21 70 2 81 94 19 3361 3 4 1140 5700 1610 IV 11 19 61 7 1 369 857 34 5 559 2 660 8 179 309 189 9 13 05 1 09 90 79 16 79 55 6 823 332 32 6 109 260 7 35 82 5 24 96 49 5 69 76 4 2 260 1 598 35 8 209 248 5 25 61 2 80 94 79 3841 3 4 1140 6600 1870 IV 11 19 72 8 1 616 854 34 8 559 3 080 9 500 309 224 2 15 40 1 09 91 39 16 79 65 7 971 332 32 9 52 UH SVX01A EN TRANE Hot Water Performance Data Table 36 Low Output Units Standard Vertical Unit with All Air Ports Open continued Water Final Temp Press Drop Air Nominal Outlet Dr
46. 9 9 8 4 9 12 4 12 3 6 1 22 3 22 1 11 0 2 1165 575 3 60 Operating Voltage 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 1 3 1 6 2 9 3 4 1140 384 500 2 0 2 5 4 5 1 1 2 1160 600 720 3 8 4 7 8 4 3 1165 UH SVX01A EN 7 Motor Data in motor data All 1 4 motors are 5 Table 17 Explosion Proof with Thermal Overload Motor Type MT 2 Note Motors under 1 3 H P are Unit Model totally enclosed frame No AMP MCA MOP HP RPM mounted 115 1 60 with thermal overload protection 115 1 60 ting Volt 1 57311008 and permanently lubricated 42 3 8 4 8 8 6 1 6 1140 sleeve bearings with optional 64 3 8 4 8 8 6 1 6 1140 speed controller available 1 3 B6 115 1 60 motors are open frame constant speed 102 3 8 4 8 8 6 1 6 1140 with thermal over load 122 protection and ball bearings 146 3 8 4 8 8 6 1 6 1140 1 3 H P 230V and 1 2 H P 230V motors are open 166 frame constant speed with 202 4 4 5 5 9 9 1 4 1140 thermal overload protection 252 4 4 5 5 9 9 1 4 1140 and ball bearings 280 7 8 9 8 17 6 1 2 1140 Note 1 3 1 2 motors are 208 230 460 3 60 Operating Voltage available as 230V single and 3 42 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6 1140 phase in open trame and SA Au 3 1 3 0 3723 1 explosion proof housings all 64 1 0 1 0 0 5 1 3 1 3 0 6 2 3 2 3 1 1 1 6
47. COATING 0 No Special Coating A Phenolic Coating Baked B Epoxy Epoxy Phenolic 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 amp guard Line Volts 16 Amps A32 DIGIT 16 THERMOSTAT COVER 0 None A Locking Thermostat Cover UH SVX01A EN Model Number Description 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 18 108 only DIGIT 19 VERTICAL LOUVER None Vertical Louver Fin Diffuser P only Fin Diffuser w Coating Ponly It is assumed that the design engineer has selected sized and located in the area to be heated However the information given here may be of additional help to the installer These sketches indicate suggested basic locations for different types of unit heaters Horizontal unit heaters should be located to give a circulatory motion preferably in the outer perimeter of the building The units should be spaced to properly blanket the areas with warm air The unit should be suspended from connections provided in the unit by means of rods The rods should then be attached t
48. S EITHER EXPRESS OR IMPLIED AND ALL SUCH OTHER WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS LIMITED WARRANTY IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN ANY WAY FOR ANY CONSEQUENTIAL SPECIAL OR INCIDENTAL DAMAGES OF ANY NATURE WHATSOEVER OR FOR ANY AMOUNTS IN EXCESS OF THE 57 SELLING PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUND TO BE DEFECTIVE THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY EACH JURISDICTION 58 Warranty Info UH SVX01A EN TRANE Trane 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 SVX01A EN Date 05 07 Supersedes UH IM 2F 09 99 Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice
49. Steam Gravity UH SVX01A EN TRANE Location Ea OF gt 2958 SP NG LOW PRESSURE VAPOR OR VACUUM sox A 42 OSA Figure 14 Low Pressure Vapor Or Vacuum UH SVX01A EN Installation P Type Periodic Service N WARNING Heavy Objects Ensure that all hardware used in the suspension of each unit heater is more than adequate for the job Failure to do so may result in extensive property damage severe personal injury or death ZA cautTion Lifting Suspension Methods Make certain that the lifting methods used to lift the heater and the method of suspension used in the field installation of the heater are capable of uniformly supporting the weight of the heater at all times Failure to heed this warning may result in property damage or personal injury CAUTION Structural Integrity Make certain that the structure to which the heater is mounted is capable of supporting its weight Under no circumstances must the piping or the electrical conduit be used to support the heater or should any other objects i e ladder person lean against the heater or the electrical conduit for support CAUTION Performance Failure Unit heaters must be hung level from side to side and from front to back Failure to do so will result in poor performance and or premature failure of the unit It is assumed that the design engineer has selected sized and located in the area to be heated by
50. TING 2 SWITCH 7 LIMIT CONTROLLER REVERSE ACTING ROOM THERMOSTAT THERMOSTATIC CONTROL WITH ACTING LIMIT CONTROLLER AND MANUAL STARTER Figure 54 UH SVX01A EN 3 PHASE LINE MANUAL STARTING LIMIT CONTROLLER REVERSE ACTING THERMOSTAT MOTOR MANUAL CONTROL WITH PHASE MOTOR Figure 55 1 PHASE LINE MANUAL STARTER WITH BUILT IN SELECTOR SWITCH THERMOSTAT LIMIT CONTROLLER MOTOR THREE POSITION SELECTOR SWITCH BUILT INTO MAGNETIC STARTER FOR MANUAL OR THERMOSTATIC CONTROL Figure 56 1 PHASE LINE MANUAL STARTING d SWITCH SELECTOR THERMOSTAT LIMIT CONTROLLER THREE POSITION SELECTOR SWITCH USED FOR EITHER MANUAL OR THERMOSTATIC CONTROL Figure 57 UH SVX01A EN Electrical Connections 37 Motor Data P Models ZNCAUTION Voltage Selections Select appropriate AMP MCA and MOP for the multiple voltage motors For example the AMP MCA and MOP for Model 40 with a 230 volt Totally Enclosed motor is 1 1 1 4 and 2 5 respectively Note All motors are constant speed and operate at top speed as indicated in motor data Models through 1 8 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
51. U HR Ibs hr Sq ft Temp F Motor Motor Nominal Outlet Velocity MBH kW kg hr Sq m C kW RPM m3 s FPM m s Sound Rating 41 300 43 172 124 1550 595 877 12 1 19 5 16 0 51 278 4 455 042 33600 55 140 131 1 1150 436 658 9 8 24 9 13 0 55 i 203 3 343 65 500 68 273 121 1550 989 1005 19 2 30 8 25 4 49 462 5 105 064 52 800 55 220 129 1150 706 727 15 5 24 9 20 5 54 329 3 693 80 600 83 336 122 1550 1200 1220 23 6 37 6 31 3 50 560 6 198 080 65 100 67 271 130 ee 1150 858 894 19 1 30 4 25 2 54 i 400 4 542 101 800 106 424 123 1070 1490 980 29 8 48 0 39 4 51 695 4 978 102 87 900 91 366 129 092 850 1180 783 25 8 41 2 34 0 54 551 3 978 122 124 400 129 518 124 1 6 1100 1790 1170 IH 36 4 58 4 48 2 51 124 835 5 944 146 152 000 157 633 123 1 6 1100 2220 1045 44 5 71 1 58 9 51 124 1 036 5 309 166 173 000 179 720 121 1 6 1100 2620 1230 IV 50 7 81 1 67 0 49 124 1 223 6 248 202 210 200 208 838 118 1 4 1100 3200 1495 61 6 94 2 78 0 48 186 1 493 7 595 252 249 800 260 1040 115 1 4 1100 4180 1205 IV 73 2 117 8 96 7 46 186 1 951 6 121 280 283 800 294 1180 119 1 2 1100 4430 1275 IV 83 2 133 2 109 8 48 373 2 067 6 477 336 333 400 345 1390 119 3 4 11
52. actory tested at 400 psig air under water Fans are balanced and motors are prelubricated Unless otherwise specified the following conversions may be used for calculating SI unit measurements 1 foot 2 0 305 m 1 inch 25 4 mm 1 psig 6 894 kPa 1 pound 0 453 kg 1 gallon 3 785 1 inch water column 0 249 kPa meter second FPM 196 8 liter second x 0 472 1000 Btu per hour 0 293 kW 1000 Btu Cu Ft 375 MJ m 1 cubic foot 0 028 m3 UH SVX01A EN UH SVX01A EN Contents Model Number Description 4 Location 2244428408 otc eene orici teh otto date 6 Installation 21 542540 RR CAES 13 Fan Guard Louver Installation 21 Dimensional Data 23 Technical Data Re eh 28 Options MD 30 Electrical Connections 32 Motor 2 828 o acd am PE es rs 38 Steam Performance Data 41 Hot Water Performance Data 46 di e eiaa RESET ERE RES 55 Warranty Info eccere ei E eR VIR DR qute Pad BRE DOES 57 3 Model Number Description 1 T A A 1 0 A 0 A 0 A 1 1
53. anel Bolts top and bottom panels may be removed from the coil by taking out Figure 58 Cross Section View 56 UH SVX01A EN LIMITED WARRANTY S Model HORIZONTAL STEAM amp HOT WATER UNIT HEATERS The Manufacturer warrants to the original owner at the original installation site that the Horizontal Steam and Hot Water Unit Heaters the Product will be free from defects in material and workmanship for a period not to exceed one 1 year from startup or eighteen 18 months from date of shipment from the factory whichever occurs first If upon examination by the Manufacturer the Product is shown to have a defect in material or workmanship during the warranty period the Manufacturer will repair or replace at its option that part of the Product which is shown to be defective This limited warranty does not apply a if the Product has been subjected to misuse or neglect has been accidentally or intentionally damaged has not been installed maintained or operated in accordance with the furnished written instructions or has been altered or modified in any way b to any expenses including labor or material incurred during removal or reinstallation of the defective Product or parts thereof c to any workmanship of the installer of the Product This limited warranty is conditional upon a shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned wi
54. aters must be hung level from side to side and from front to back Failure to do so will result in poor performance and or premature failure of the unit Install unit heaters to meet Occupational Safety and Health Act OSHA and CSA requirements Unit heaters mounted lower than 8 feet 2 4m from the floor must be equipped with an OSHA fan guard Note Units equipped with the motor mounted to the fan guard require two point suspension Units equipped with a shelf mounted motor are required to be suspended 20 Installation at four points Refer to Figure 20 and Figure 21 for two point suspension and refer to Figure 9 for four point suspension Nutserts are provided at the top of all units for suspension purposes Support rods should support the total unit weight to assure that no strain is placed on supply and return piping Provisions for removal of the unit from the suspension rods may be desirable for servicing purposes Units must hang level vertically and horizontally Provide sufficient clearance around units for maintenance purposes Isolators are not required but may be desirable for some applications Refer to Dimensional Data Piping To provide proper coil operation follow all piping recommendations listed in this manual See Figure 13 through Figure 17 for proper pipe connections Follow standard practices and codes when installing the piping Provide swing joints for expansion purpos
55. available on request Thermostats Line voltage wall thermostats are in stock for immediate shipment All models are SPST with bimetal thermometer knob type set point adjustment 40 to 90 F 5 to 30 C range and selector switches Standard duty models with off auto and a heavy duty model with auto offfan switching are available Other models available on request Plastic tamperproof one size fits all thermostat guards are also available Wall Mounted Speed Controllers Motors up to and including 1 8 HP 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 VOCE s m Figure 31 Louver Cone Diffuser Attached to Vertical Unit Heater ET speeds indefinitely controllable All 1 3 1 2 HP and 230V motors operate only at rated speed and CFM See Charts Manual Starters Single and three phase models are available Standard models are single speed toggle operated NEMA Type 1 and are surface mounted CAUTION When using electrical accessories always refer to the accessory manufacturer s installation manual for proper use location and wiring instructions 31 Electrical Connections P Model N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Failure to disconnect power before servicing can cause se
56. by connecting a grounded conductor between the service panel and the heater To ensure a proper ground the grounding means must be tested by a qualified electrician Do not insert fingers or foreign objects into the heater or its air moving device Do not block or tamper with the heater in any manner while in operation or just 2007 American Standard All Rights Reserved after it has been turned off as some parts may be hot enough to cause injury Note To meet CSA and OSHA requirements units mounted below 8 feet 2 4m from the floor must be equipped with an OSHA fan guard It is good practice to have a shutoff switch on the electrical power lines controlling the heater Whenever a unit is serviced shut power off to the unit Since these units are installed in most instances higher than 8 feet 2 4m proper type of ladders or scaffolding should be used as set up by OSHA requirements It is the owner s responsibility to provide scaffolding or other apparatus required to perform emergency service or annual periodic maintenance to this equipment In industrial plants professional maintenance crews should service this equipment Horizontal Unit Heaters are shipped fully assembled and may be used for steam or hot water applications Coils are factory tested at 250 psig 1723 5 kg Vertical Unit Heaters are shipped fully assembled and may be used for steam or hot water applications Coils are f
57. d by Installer 005576 33 UH SVX01A EN To 120 V Control Supply and Thermostat STARTER Supplied by Installer 33 7 Wiring Installation P Model Notice 1 When using a speed controller always locate the thermostat between the speed controller and the line not between the motor and the controller 2 Forinternal wiring and overload protection on all starters consult the control manufacturer for details 3 When using thermostatic control with a manual starter be sure that the electrical rating of the thermostat is sufficient to carry the motor current 1 PHASE LINE MANUAL STARTING SWITCH MOTOR MANUAL CONTROL WITH SINGLE PHASE MOTOR Figure 36 1 PHASE LINE MANUAL STARTING m di SWITCH ROOM THERMOSTAT THERMOSTATIC CONTROL WITH MANUAL STARTER Figure 37 34 Electrical Connections 1 PHASE LINE MAGNETIC P ud STARTING SWITCH THERMOSTAT MOTOR MOTOR x x THERMOSTATIC CONTROL USING MAGNETIC STARTER OPERATING SEVERAL UNITS Figure 38 1 PHASE LINE MANUAL STARTING SWITCH THERMOSTAT 74 bes SPEED CONTROLLER MOTOR SPEED CONTROLLER WITH MANUAL STARTING SWITCH Figure 39 1 PHASE LINE MAGNETIC 2 SWITCH THERMOSTAT MOTORS SPEED CONTROLLERS SPEED CONTROLLERS WITH MAGNETIC STARTING SWITCH FOR OPERATING SEVERAL UNITS Figure 40 3 PHASE LINE
58. ds are also available 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 with standard motors up to Model 108 115 1 60 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 HP and 230V motors operate only at rated speed and CFM See Tables CAUTION When using electrical accessories always refer to the accessory manufacturer s installation manual for proper use location and wiring instructions Vertical Louvers Horizontal and Vertical Louver Mounting UH SVX01A EN Options P Models Variable Speed Control 115 Volt Only optional The solid state speed controller may be installed at any convenient location and is suitable for surface or flush type mounting A standard electrical single or double gang wall box is recommended as in Figure 30 SPEED T STAT CONTROLLER o O 115V D05575 Figure 30 Wiring Diagram of Speed Control Installation Installation Procedure 1 Attach the control s leads to the electrical leads in the control box using wire nuts The speed control is to be wired in series w
59. es unions and shut off valves for servicing purposes and as illustrated in Figure 13 through Figure 17 valves and traps for control purposes Use 45 degree angle run offs from all supply and return mains Dirt pockets should be the same pipe size as the return tapping of the unit heater Also pipe size in the branchoff should be the same size as the tapping in the traps Beyond the trap the return lateral pipe should be increased one size up to the return main It is assumed that the design engineer has selected the type of system to be used The sketches shown are for different types of steam systems or hot water systems For sizing of piping traps filter etc consult ASHRAE guides of the manufacturer s literature on these products It is important that the system be kept clean Care should be exercised that excessive joint materials or foreign substances be kept out of the System On steam systems it is recommended that the unit be installed level for proper condensate drainage Swing joints should be used in piping and pipes should be pitched down from units so that condensate can drain freely UH SVX01A EN OSHA Fan Guard Louver Cone Diffuser Installation Detail N WARNING Hazardous Voltage Do not mount either the Louver Cone Diffuser or OSHA Fan Guard while unit is in operation or severe personal injury may occur Disconnect all power supplies to the unit before installing the Louver Cone Diffuser
60. for low speed setting using a small screwdriver 2 Rotate the control shaft counter clockwise The speed will increase smoothly from minimum to maximum and then switch off 30 Options 3 Mount face plate with screw provided and attach control knob 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 high or low limit Steam Pressure Control SPDT 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 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 Line voltage wall thermostats are in stock for immediate shipment All models are SPST with bimetal thermometer knob type set point adjustment 40 to 90 F 5 to 30 C range and selector switches Horizontal Louvers Figure 29 Standard duty models with off auto and auto off fan and a heavy duty model with auto off fan switching are available Other models available on request Plastic tamperproof one size fits all thermostat guar
61. hange fan blade 2 Dirty fan blade 2 Clean fan blade Table 43 Unit Equipment Start Up Customer Job Name amp Number Pre Inspection Information with power off Type of equipment Unit Heater Serial Number Model Number Name Plate Voltage Name Plate Amperage Steam Hotwater Questions Checklist Are all panels in place Has the unit suffered any external damage If so what Does the piping and electric wiring appear to be installed in a professional manner Has the piping and electric been inspected by the local authority having jurisdiction Is the supply properly sized for the equipment Were the installation instructions followed when the equipment was installed Have all field installed controls been installed Do you understand all the controls on this equipment m the four panel mounting bolts See Additional P Model Figure 58 Instructions Fan and Motor Assembly i Fan Guard For cleaning or maintenance Mounting Screws Panel purposes the fan and motor assembly may be removed easily j from the Unit Heater motor is attached to the fan guard which is in turn mounted to the top or back panel of the unit as shown in Figure 58 On Vertical Units reach up through i the fan and remove the fan guard mounting screws Lower the motor fan and fan guard assembly down Bottom Panel Mounting through the fan outlet If desired the P
62. hers calculate using formula GPM BTU 500 x TD IV CAPACITY AT OTHER RATES OF Multiply output from Table 29 by factor from WATER FLOW Table 34 V PRESSURE LOSS AT OTHER TD s Multiply P D of unit for 20 TD from Table 29 014 x 5 00 07 Ft H20 A For TD s from 5 to 609 by appropriate factor from the Table 32 UH SVX01A EN 47 Hot Water Performance Data Table 31 HOT WATER CONVERSION FACTORS BASED ON 200 93 C ENTERING WATER 60 16 C ENTERING AIR AND 20 11 C TEMPERATURE DROP ENTERING ENTERING WATER TEMPERATURE F C AIR TEMPERAT 100 120 1409 160 1809 200 2209 2409 260 280 300 F C 38 49 60 71 82 93 104 116 127 138 149 30 1 0 518 0 666 0 814 0 963 1 120 1 268 1 408 1 555 1 702 1 850 1 997 40 4 0 439 0 585 0 731 0 878 1 025 1 172 1 317 1 464 1 609 1 755 1 908 50 10 0 361 0 506 0 651 0 796 0 941 1 085 1 231 1 375 1 518 1 663 1 824 60 16 0 286 0 429 0 571 0 715 0 857 1 000 1 143 1 286 1 429 1 571 1 717 70 21 0 212 0 353 0 494 0 636 0 777 0 918 1 060 1 201 1 342 1 483 1 630 80 27 0 140 0 279 0 419 0 558 0 698 0 837 0 977 1 117 1 257 1 397 1 545 90 32 0 069 0 207 0 345 0 483 0 621 0 759 0 897 1 035 1 173 1 311 1 462 100 38 0 000 0 137 0 273 0 409 0 546 0 682 0 818 0 955 1 094 1 230 1 371 Table 32 HOT WATER OUTPUT FLOW RATE AND PRESSURE LOSS FACTORS BASED ON STANDARD CONDITIONS OF 200 F 9
63. iable 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 39 TRANE Motor Data Table 18 Totally Enclosed Motor Type Unit Model No AMP MCA MOP HP RPM 115 1 60 18 24 08 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 120 132 144 156 180 204 240 4 5 5 6 10 1 1 3 1140 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 120 132 144 156 180 204 240 4 5 5 6 10 1 1 3 1140 280 300 360 5 4 6 8 12 2 1 2t 1100 208 230 460 3 60 48 60 72 84 96 108 120 132 144 156 180 204 2 6 2 6 1 3 3 3 3 3 1 6 5 9 5 9 2 9 1 2 1140 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 Table 19 Explosion Proof with Thermal Overload Motor Type Unit Model No AMP MCA MOP HP RPM AMP MCA MOP HP RPM 115 230 1 60 230 460 3 60 48 60 72 84 96 108 120 132 3 7 4 6 8 3 1 6t 1140 144
64. ilure to disconnect power before servicing can cause severe personal injury or death Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor nameplate and electrical rating on the transformer should be checked before energizing the unit heater electrical system All external wiring must conform to ANSI NFPA No 70 2002 National Electrical Code or the latest edition and applicable current local codes in Canada to the Canadian Electrical Code Part 1 CSA Standard C22 1 It is recommended that the electrical power supply to each unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating for each unit heater should be located as close to the controls as possible Each unit heater must be electrically grounded in accordance with National Electric Code ANSI NFPA No 70 2002 or the latest edition or CSA Standard C22 1 Sample wiring connections are depicted in Figure 49 through Figure 57 Operation Most basic unit heater systems are controlled by a room thermostat Locate thermostat on inner wall or column so that optimum control can be obtained for that area Set thermostat for desired temperature On steam systems a low limit may be used to prevent fan from blowing cold air unless the heater has steam passing through the coil Small hot water systems could have the circulating pump controlled directl
65. ing air temperature y H MAXIMUM DISTANCE OF THROW T gt Figure 7 Mounting Height and Approx Heat Throw UH SVX01A EN Figure 9 UH SVX01A EN UNIT SIZE A B 048 060 15 516 1 7 8 072 16 916 2 1 2 084 amp 120 19 1 16 3 H 096 108 1713 6 2 12 132 144 156 21 916 3 1 2 180 204 22 13 16 4 240 280 26 1 16 44 2 m 300 360 31 9 16 6 m 4 1 KB 1 3 4 4 PT SUSPENSION USE 3 8 16 THREADED RODS 4 LOCATIONS e V Four Point Suspension Shelf Mounted Motors Only D6340 TRANE Location FORCED HOT WATER Figure 10 Forced Hot Water 8 UH SVX01A EN TRANE Location 7 NP SYSTEM VENT ONG FORCED HOT WATER GATE VALVE Serpentine Units 5 DRAIN VALVE Figure 11 Forced Hot Water Serpentine Unit Only UH SVX01A EN TRANE Location m COL ii o d UG HIGH PRESSURE STEAM e RSA 20 P ale Figure 12 High Pressure Steam UH SVX01A EN TRANE Location of LOW PRESSURE STEAM GRAVITY AS 2 CH EE DRE SU RES NR Figure 13 Low Pressure
66. it may be used to prevent fan from blowing 32 Electrical Connections cold air unless the heater has steam passing through the coil Small hot water systems could have the circulating pump controlled directly by the room thermostat On large systems zone valves could be used to control the individual unit heater where constant water circulation is used on the main system A louvered cone air diffuser is readily available as an optional accessory for vertical unit heaters See catalog for details Thermostat Wiring and Location Note The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions Mount the thermostat approximately 5 feet 1 5 m above the floor in an area where it will be exposed to a free circulation of average temperature air Always refer to the thermostat instructions as well as our unit wiring diagram and wire accordingly Avoid mounting the thermostat in the following locations 1 Cold areas Outside walls or areas where drafts may affect the operation of the control 2 Hot areas Areas where the sun s rays radiation or warm air currents may affect control operation 3 Dead areas Areas where air cannot circulate freely such as behind doors or in corners Note For all wiring connections refer to the wiring diagram on the motor nameplate Should any original wire supplied with the heater ha
67. ith the motor See wiring diagram in Figure 30 2 Make certain wire nuts are tight with no copper wire being exposed 3 Place wires and wire nuts back into box allowing room for the control to fit in box also 4 Mount speed control to box using number 6 flathead screws provided Setting the Control 1 Turn the control shaft fully clockwise If the motor is not running at the desired low speed adjust the trim on the face of the control for low speed setting using a small screwdriver 2 Rotate the control shaft counter clockwise The speed will increase smoothly from minimum to maximum and then switch off Vertical Louver Cone Diffuser optional Rubber mounts and mounting nuts and bolts are provided with each louver cone diffuser Attach the UH SVX01A EN Options diffuser to the bottom of the unit heater as shown in Figure 51 Mounting holes are provided in the unit base plate Adjust the diffuser to provide the desired air pattern 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 high or low limit Steam Pressure Control SPDT 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
68. n fatal electric shock or severe personal injury Preface and Warnings and Cautions WARNING Voltage Hazard Do not depend upon a thermostat or other switch as sole means of disconnecting power when installing or servicing heater Always disconnect power at main circuit breaker as described above Failure to do so could result in fatal electric shock CAUTION Equipment Damage Insure that all power sources conform to the requirements of the unit heater or damage to the unit will result Follow installation instructions CAREFULLY to avoid creating unsafe conditions All external wiring must conform to applicable current local codes and to the latest edition of the National Electric Code ANSI NFPA No 70 In Canada all external wiring must conform to the Canadian Electric Code Part 1 CSA Standard C22 1 All wiring should be done and checked by a qualified electrician using copper wire only All steam and hot water connections should be made and leaktested by a suitably qualified individual per instructions in this manual Also follow procedures listed on the Unit Equipment Start Up Sheet located in this manual Make certain that the power source conforms to the electrical requirements of the heater Special attention must be given to any grounding information pertaining to this heater To prevent the risk of electrocution the heater must be securely and adequately grounded This should be accomplished
69. o solid supports of the building Table 1 Maximum Model Mounting HT Approx Max No ft m Throw ft m A08 8 2 4 20 6 1 A18 8 2 4 25 7 6 A25 9 2 7 29 8 8 A36 9 2 7 29 8 8 18 8 2 4 20 6 1 24 8 2 4 24 7 3 36 9 2 7 28 8 5 48 9 2 7 30 9 1 60 10 3 0 30 9 1 72 10 3 0 29 8 8 84 10 3 0 30 9 1 96 11 3 4 38 11 6 108 11 3 4 40 12 2 120 12 3 7 40 12 2 132 13 4 0 54 16 5 144 13 4 0 55 16 8 156 13 4 0 55 16 8 180 13 4 0 53 16 2 204 13 4 0 55 16 8 240 14 4 3 57 17 4 280 14 4 3 57 17 4 300 15 4 6 58 17 7 360 15 4 6 60 18 3 Location Stock Room Wareh Assembly Manufacturing Shelving 4 2 workers Heavy Machinery amp Bins ipping at benches gt A Truck Dock amp Overhead Doors Offices Vestibule 5 narrow area with four exposed EXPOSED walls either with or without roof exposure a 4 o a a x EXPOSED Figure 6 Figure 6 represents a large square area with exposed walls and roof EXBOSEB units are blanketing all exposed Figure 8 surfaces Figure 7 is based on 2 PSI 13 8 kPa A small area with exposed walls steam pressure and 60 F 16 C requiring unit enter
70. ode 5 308 309 92 8 6 38 36 98 59 16 79 27 2 402 110 36 99 109 132 4 27 29 3 67 106 69 5 69 38 8 1 722 1 119 41 49 209 118 6 12 22 81 101 79 198 11 19 34 7 771 247 38 79 00 1295 cim x 30 104 8 7 20 30 96 99 16 79 30 7 454 092 36 19 109 156 2 32 20 5 02 105 09 5 69 45 8 2 031 1 531 40 69 209 139 7 14 40 1 11 100 29 202 11 1 40 9 908 339 37 9 iso 1100 Ton aes B 309 123 2 8 47 41 95 59 16 79 36 1 534 125 35 39 159 188 9 25 95 3 92 101 89 8 39 55 3 1 637 1 196 38 89 209 180 1 18 56 2 10 99 99 252 11 19 52 8 1 171 641 37 79 2 1100 A 309 162 7 11 18 82 96 09 16 79 47 7 705 250 35 69 159 215 4 29 60 5 02 104 89 8 39 63 1 1 867 1 531 40 49 209 205 4 21 17 2 68 102 79 289 11 1 60 2 1 335 817 39 3 TA 1109 12 097 Ru du 309 185 3 12 73 1 04 98 59 16 79 54 3 803 317 36 99 159 254 9 35 03 6 88 105 19 8 39 74 7 2 210 2 098 40 69 209 242 9 25 03 3 67 103 09 336 11 1 71 2 1 579 1 119 39 4 4 s dd 309 218 9 15 04 1 42 98 79 16 79 64 1 949 433 37 19 159 294 7 40 49 6 60 104 29 8 39 86 3 2 554 2 013 40 19 209 280 8 28 94 3 52 102 29 384 11 1 82 3 1 826 1 074 39 0 Ps EY 18 893 ud 309 253 1 17 39 1 36 98 09 16 79 74 2 1 097 415 36 79 209 368 1 37 93 5 81 102 39 500 11 19 107 9
71. op Output MBH Flow Rate ft water Temp CFM Velocity Model No F C kW G P M L s m water F C Motor kW R P M m3 s FPM m s Sound Rating 20 310 5 32 00 4 23 90 5 500L 11 19 91 0 2 019 1 290 32 5 1 1 2 1160 9380 1860 IV 309 281 7 19 35 1 67 87 79 1 119 22 2 143 16 7 82 5 1 221 509 30 9 109 394 4 54 19 6 83 95 39 5 69 115 6 3 418 2 083 35 2 209 377 0 38 85 3 68 93 79 6001 1 1 2 1160 10 300 2060 IV 11 19 110 5 2 451 1 122 34 3 1 119 4 807 10 465 309 342 2 23 51 1 45 90 69 16 79 100 3 1 483 442 32 6 209 453 7 46 76 4 11 95 19 7201 11 19 132 9 2 950 1 254 35 1 3 1165 11 900 2380 IV 309 411 7 28 28 1 62 91 99 2 237 8 48 12 039 16 7 120 6 1 784 494 33 3 Performance based 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 the tables on page 17 Speed controller option is required for reduced ratings Table 37 HOT WATER CALCULATIONS AND CORRECTION FACTOR P STYLE EXAMPLE UNIT SIZE 042 Entering Water Temp 1609 Entering Air Temp 40 F Water Temperature Drop 10 F I CAPACITY 20 TD Read output directly from Table 35 amp Table 36 A For 200 EWT 60 EAT 22 700 BTU HR Ref Std 042 p 12 B For EWT and or EAT above or below Multiply output from Table 35 amp Table 36 by factor from 2
72. or OSHA Fan Guard The figures below show how both the OSHA Fan Guard and the Louver Cone Diffuser are installed on the Vertical Steam and Hot Water Unit Heater Figure 20 and Figure 21 detail how the louver cone diffuser and OSHA guard are attached to the unit Figure 22 and Figure 23 show full views of the vertical steam and hot water unit with a Louver Cone Diffuser and OSHA Fan Guard attached To meet CSA and OSHA requirements units mounted below 8 feet 2 4 meters must be equipped with an OSHA Fan Guard The same screws and washers are provided with both the OSHA fan guard and Louver Cone Diffuser The screws and washers are used in conjunction with the Nutserts to support the wire guard or diffuser to the orifice panel bottom of vertical unit UH SVX01A EN Fan Guard Louver Installation Figure 20 Figure 21 Washer Louver Cone Louver Cone Diffuser Washer Screw OSHA Fan OSHA Fan Guard Nutsert 4 Orifice Panel 3 Nutsert P di Orifice Panel pcmcia 3 21 Fan Guard Louver Installation Figure 22 Vertical Unit with Louver Cone Diffuser Figure 23 22 Vertical Unit with OSHA Fan Guard UH SVX01A EN Dimensional Data Dimensional Data P Model 4 MOUNTING HOLES 3 8 16 FOR 42P 80P THREAD TAPS CEILING Bd STEAM
73. ostat between the speed controller and the line not between the motor and the controller 2 Forinternal wiring and overload protection on all starters consult the control manufacturer for details 3 When using thermostatic control with a manual starter be sure that the electrical rating of the thermostat is sufficient to carry the motor current 1 PHASE LINE MANUAL STARTING SWITCH MOTOR MANUAL CONTROL WITH SINGLE PHASE MOTOR Figure 47 1 PHASE LINE MANUAL STARTING m di SWITCH ROOM THERMOSTAT THERMOSTATIC CONTROL WITH MANUAL STARTER Figure 48 36 Electrical Connections 1 PHASE LINE MAGNETIC P ud STARTING SWITCH THERMOSTAT MOTOR MOTOR x x THERMOSTATIC CONTROL USING MAGNETIC STARTER OPERATING SEVERAL UNITS Figure 49 1 PHASE LINE MANUAL STARTING SWITCH THERMOSTAT 74 bes SPEED CONTROLLER MOTOR SPEED CONTROLLER WITH MANUAL STARTING SWITCH Figure 50 1 PHASE LINE MAGNETIC 2 SWITCH THERMOSTAT MOTORS SPEED CONTROLLERS SPEED CONTROLLERS WITH MAGNETIC STARTING SWITCH FOR OPERATING SEVERAL UNITS Figure 51 3 PHASE LINE MANUAL STARTING MANUAL CONTROL WITH THREE PHASE MOTOR Figure 52 3 PHASE LINE MAGNETIC m d STARTING SWITCH THERMOSTAT MOTORS THERMOSTATIC CONTROL OF SEVERAL THREE PHASE UNITS Figure 53 1 PHASE LINE MANUAL STAR
74. ouver Cone Diffuser Steam Pressure PSI Steam Pressure PSI 2 5 10 50 75 2 5 10 50 75 Unit Size 13 8 34 5 68 9 344 7 517 1 Unit Size 13 8 34 5 68 9 344 7 517 1 18 0 17 5 17 0 14 5 14 0 29 0 28 5 28 0 25 0 24 0 5 5 5 3 5 2 4 4 4 3 8 8 8 7 8 5 7 6 7 3 196 22 5 22 0 21 5 19 0 18 0 499 36 0 35 0 34 0 30 0 29 0 6 9 6 7 6 6 5 8 5 5 11 0 10 7 10 4 9 1 8 8 22 0 21 5 21 0 18 5 17 5 28 5 28 0 27 5 24 0 23 0 6 7 6 6 6 4 5 6 5 3 8 7 8 5 8 4 7 3 7 0 1661 384 27 5 27 0 26 5 23 5 22 5 35 5 35 0 34 0 30 0 29 0 8 4 8 2 8 1 7 2 6 9 10 8 10 7 10 4 9 1 8 8 22 0 21 5 21 0 18 5 17 5 32 5 31 5 30 5 27 5 26 5 6 7 6 6 6 4 5 6 5 3 9 9 9 6 9 3 8 4 8 1 202 3841 27 5 27 0 26 5 24 0 23 0 41 0 40 0 39 0 35 0 33 5 8 4 8 2 8 1 7 3 7 0 12 5 12 2 11 9 10 7 10 2 25 5 25 0 24 5 22 0 21 0 29 5 29 0 28 5 25 0 24 0 7 8 7 6 7 5 6 7 6 4 9 0 8 8 8 7 7 6 7 3 2021 500 31 5 31 0 30 5 27 0 26 0 36 5 36 0 35 5 32 0 30 5 9 6 9 4 9 3 8 2 7 9 11 1 11 0 10 8 9 8 9 3 20 0 19 5 19 0 17 0 16 0 35 0 34 0 33 0 29 0 28 0 6 1 5 9 5 8 5 2 4 9 10 7 10 4 10 1 8 8 8 5 252 25 0 24 0 23 5 20 5 19 5 0 43 5 42 5 41 5 35 0 34 0 7 6 7 3 7 2 6 2 5 9 13 3 13 0 12 6 10 7 10 4 24 0 23 5 23 0 20 0 19 0 34 0 33 0 32 0 28 0 27 0 7 3 7 2 7 0 6 1 5 8 10 4 10 1 9 8 8 5 8 2 232l
75. perate the motor a few minutes before reinstalling the vent plug to allow excess grease to escape If there is evidence of grease working out around the motor shaft less grease should be added and the greasing periods lengthened If grease continues to appear take the motor to the motor manufacturer s authorized service station for repair Note Consult local motor manufacturer s service facility for information on type of grease and oil to be used Note The heater system should be checked once a year by a qualified technician All maintenance service information should be recorded accordingly on the inspection sheet provided in this manual Should maintenance be required perform the following inspection and service routine Inspect the area near the unit to be sure that there is no combustible material located within the minimum clearance requirements listed in this manual Cleaning the Unit The unit casing fan diffuser and coil should be cleaned thoroughly once a year Coil heat transfer efficiency depends on cleanliness The following recommended procedures may be performed when lubricating the motor and cleaning the coil 1 Wipe all excess lubricant from the motor fan and casing Clean the motor thoroughly A dirty motor will run hot and eventually cause internal damage 2 Clean the coil a Loosen the dirt with a brush on the fan side of the coil Operate the motor allowing the fan to blow
76. s than fewer large units vertical 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 UH SVX01A EN Technical 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 14 Corrections When Using Glycol Solu tion in System Propylene Glycol Heat transfer 18092 with no 20 solution 97 increase inflow rate 50 solution 90 G P M Req d 180 F 20 F At no 1 10 correction to pump curve Pump Head Req d 180 F w 1 23 increase in G P M Specify gravity water 1 0 1 045 1 055 Pounds Gallons
77. startup or eighteen 18 months from date of shipment from the factory whichever occurs first If upon examination by the Manufacturer the Product is shown to have a defect in material or workmanship during the warranty period the Manufacturer will repair or replace at its option that part of the Product which is shown to be defective This limited warranty does not apply a if the Product has been subjected to misuse or neglect has been accidentally or intentionally damaged has not been installed maintained or Operated in accordance with the furnished written instructions or has been altered or modified in any way b to any expenses including labor or material incurred during removal or reinstallation of the defective Product or parts thereof c to any workmanship of the installer of the Product This limited warranty is conditional upon a shipment to the Manufacturer of that part of the Product thought to be defective Goods can only be returned with prior written approval from the Manufacturer All returns must be freight prepaid b determination in the reasonable opinion of the Manufacturer that there exists a defect in material or workmanship Repair or replacement of any part under this Limited Warranty shall not extend the duration of the warranty with respect to such repaired or replaced part beyond the stated warranty period THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIE
78. te The spread is the diameter of the comfort zone at floor level The above table represents the spread for standard units without a louver cone diffuser and mounted at its maximum height at 2 psi 13 8 kPa steam pressure and 60 F 16 C entering air See Tables 21 and 22 for maximum moun ing heights UH SVX01A EN 15 TRANE Installation Table 6 Maximum Mounting Height and Diameter at Floor Based on 60 F EAT and 219 F EWT or 2 psig steam Diffuser Cone 90 Diffuser Cone 459 See Figure 5A See Figure 5B Standard Low Output Standard Low Output H D H D H D H D Model ft m ft m ft m ft m ft m ft m ft m ft m 42 12 5 11 0 14 5 16 0 9 0 20 0 11 0 25 0 3 8 3 4 4 4 4 9 2 7 6 1 3 4 7 6 64 14 5 12 0 19 0 19 0 10 0 24 0 12 0 29 0 4 4 3 7 5 8 5 8 3 0 7 3 3 7 8 8 80 18 5 14 0 22 0 23 0 12 5 26 0 15 0 31 0 5 6 4 3 6 7 7 0 3 8 7 9 4 6 9 4 102 17 0 18 0 21 5 26 0 11 0 31 0 14 0 35 0 5 2 5 5 6 6 7 9 3 4 9 4 4 3 10 7 122 19 5 19 0 26 0 29 0 13 0 33 0 16 0 38 0 5 9 5 8 7 9 8 8 4 0 10 1 4 9 11 6 146 19 0 20 0 22 5 30 0 12 0 39 0 15 5 44 0 5 8 6 1 6 9 9 1 3 7 11 9 4 7 13 4 166 22 5 21 0 27 5 31 0 13 0 42 0 18 0 48 0 6 9 6 4 8 4 9 4 4 0 12 8 5 5 14 6 202 27 5 25 0 31 5 35 0 14 0 45 0 21 0 53 0 8 4 7 6 9 6 10 7 4 3 13 7 6 4 16 2 252 25 0
79. th prior written approval from the Manufacturer All returns must be freight prepaid b determination in the reasonable opinion of the Manufacturer that there UH SVX01A EN Warranty Info exists a defect in material or workmanship Repair or replacement of any part under this Limited Warranty shall not extend the duration of the warranty with respect to such repaired or replaced part beyond the stated warranty period THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EITHER EXPRESS OR IMPLIED AND ALL SUCH OTHER WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED FROM THIS LIMITED WARRANTY IN NO EVENT SHALL THE MANUFACTURER BE LIABLE IN ANY WAY FOR ANY CONSEQUENTIAL SPECIAL OR INCIDENTAL DAMAGES OF ANY NATURE WHATSOEVER OR FOR ANY AMOUNTS IN EXCESS OF THE SELLING PRICE OF THE PRODUCT OR ANY PARTS THEREOF FOUND TO BE DEFECTIVE THIS LIMITED WARRANTY GIVES THE ORIGINAL OWNER OF THE PRODUCT SPECIFIC LEGAL RIGHTS YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY BY EACH JURISDICTION LIMITED WARRANTY P Model VERTICAL STEAM amp HOT WATER UNIT HEATERS The Manufacturer warrants to the original owner at the original installation site that the Vertical Steam and Hot Water Unit Heaters the Product will be free from defects in material and workmanship for a period not to exceed one 1 year from
80. the loosened dirt through the unit b Use high pressure air or steam on the side of the coil away from the fan Note Apiece of cheesecloth or a burlap bag may be used to collect the large particles during the cleaning process 3 Clean the casing fan blades fan guard and diffuser using a damp cloth Any rust spots on the casing should be cleaned and repainted 4 Tighten the fan guard motor frame and fan bolts Check the fan for clearance in the panel orifice and free rotation 55 TRANE Maintenance Table 42 Troubleshooting Guide Symptoms Possible Cause s Corrective Action A Leaking coil 1 Frozen coil 1 Replace 2 Defective coil 2 Replace 3 Corrosion 3 Replace 4 Leak in joint 4 Braze joint if joint is exposed where leak has occurred B Poor output on steam 1 Check for air in coil 1 Repair or replace thermostatic air vent 2 Lint on coil fins 2 Clean coil and fins Check filter and clean C Poor output on steam or hot water 1 No circulation of water through coil 1 Check circulation pump Check for blocked tubes 2 Short cycling of motor 2 Check voltage and correct Check for linted coil and 3 Backward rotating motor clean Check for defective overload and repair or replace motor 3 On single phase motor replace motor On three phase motor reverse two leads to change rotation D Noisy or vibrating unit 1 Damaged fan blade 1 C
81. ubrication Sleeve Bearings Motors with oilers or oil holes are lubricated before shipment with a good grade of electric motor oil Refill when necessary with the motor at a stand still until oil reaches the proper level Use SAE 20W non detergent oil for motors operatingin ambient temperatures of 32 F to 100 F 0 C to UH SVX01A EN Maintenance 38 C Below 32 F 0 C SAE 10W non detergent oil will be required The frequency of oiling will depend upon operating conditions and length of running time Inspect the oilers or oil holes when cleaning the unit If the unit has a fractional horse power motor lubricate at least once a year Under high ambient conditions or constant fan operation fractional horse power motors should be lubricated every 90 days On those motors without oilers or oil holes follow the instructions given on the motor nameplate Ball Bearings Ball bearing motors are pre lubricated and normally not equipped with grease fittings However motors are equipped with removable grease plugs to allow installation of grease fittings if desired by owner Motor manufacturers do not recommend or require on the job lubrication of ball bearing motors If on the job lubrication is required by the owner use the following procedure With the motor at a stand still remove the vent and grease plugs Install grease fitting and add grease sparingly Remove the old grease from the vent relief chamber O
82. ve to be replaced it must be replaced with wiring material having a temperature rating of at least 105 Motors The standard 115 1 60 motors provided on Vertical Unit Heaters are totally enclosed Class B insulated and have built in thermal overload protection Vertical Units 42 through 80 use sleeve type bearings Vertical Units 122 through 280 use permanent split capacitor motors with ball bearings All sleeve bearing motors have oil holes to allow lubrication Ball bearing motors are permanently lubricated although some three phase or special motors have removable plugs which will allow field installation of grease fittings The standard 42 through 102 motors can be converted to variable speed operation with the addition of the solid state speed control See Figure 32 through Figure 37 for typical wiring diagrams UH SVX01A EN P1 L1 WHITE 2 BLACK BLUE RED T1 Figure 32 Fan Motor Connections Low Voltage with Protector Select Rotation CCW shown Marathon For CW Rotation Interchange Red and black lead Electrical Connections Fan Motor Connections 115 1 60 Constant Speed Two Lead GE Marathon Universal BLACK FAN ecu MOTOR WHITE I2 Figure 35 Fan Motor Connections 115 1 60 Constant Speed Two Lead GE Marathon Universal Figure 34 Fan Motor Connections Low Voltage CCW Internal Marathon Fan Motor Connections 3 Phase Wiring FUSED DISCONNECT Supplie
83. vere personal injury or death 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 can cause severe personal injury or death Standard units are shipped for use on 115 volt 60 hertz single phase electric power The motor nameplate and electrical rating on the transformer should be checked before energizing the unit heater electrical system All external wiring must conform to ANSI NFPA No 70 2002 National Electrical Code or the latest edition and applicable current local codes in Canada to the Canadian Electrical Code Part 1 CSA Standard C22 1 It is recommended that the electrical power supply to each unit heater be provided by a separate fused and permanently live electrical circuit A disconnect switch of suitable electrical rating for each unit heater should be located as close to the controls as possible Each unit heater must be electrically grounded in accordance with National Electric Code ANSI NFPA No 70 2002 or the latest edition of or CSA Standard C22 1 Sample wiring connections are depicted in Figure 38 through Figure 40 Operation Most basic unit heater systems are controlled by a room thermostat Locate thermostat on inner wall or column so that optimum control could be obtained for that area Set thermostat for desired temperature On steam systems a low lim
84. y by the room thermostat On large systems zone valves could be used to control the individual unit heater where constant water circulation is used on the main system Horizontal louvers are standard equipment on horizontal unit heaters vertical louvers are available as an optional accessory Thermostat Wiring and Location Note The thermostat must be mounted on a vertical vibration free surface free from air currents and in accordance with the furnished instructions Mount the thermostat approximately 5 feet 1 5 m above the floor in an area where it will be exposed to a free circulation of average temperature air Always refer to the thermostat instructions as well as our unit wiring diagram and wire accordingly Avoid mounting the thermostat in the following locations 1 Note Cold areas Outside walls or areas where drafts may affect the operation of the control Hot areas Areas where the sun s rays radiation or warm air currents may affect control operation Dead areas Areas where air cannot circulate freely such as behind doors or in corners For all wiring connections refer to the wiring diagram on the motor nameplate Should any original wire supplied with the heater have to be replaced it must be replaced with wiring material having a temperature rating of at least 105 C 35 7 Wiring Installation S Model Notice 1 When using a speed controller always locate the therm

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