2420 38TH ST ROYELL MANUFACTURING 2025-03-27

i Table 12. Technical Data for UDX and UDZ Models Unit Sizes 150-400 Unit of Unit Size Parameter, Measurement 150 175 200 225 250 300 350 400 BTUh 150,000 175,000 200,000 2E65.9 00 250,000 300,000 350,000 400,000 Input healing capacity kW 44.0 51.3 58.6 73.3 87.9 102.6 117.2 Thermal efficiency % 83 83 83 83 BTUh 124,500 145,250 166,000 186,750 207,500 249,000 290,500 332,000 Output heating capacity] kW 36.5 1 42.6 48.7 54.7 60.8 1 73.0 65.1 97.3 Gas connection,natura12 1/2 1/2 3/4 3/4 3/4 Gas connection,pro ane2 1/2 1/2 3/4 3/4 3/4 Vent connection diameter Inches 5 5 5 6 6 Combustion air inlet diameter UDZ models)3 6 6 6 6 Control amps,24V 1.0 1.0 1.0 1.0 Full Load Ams(FLA),115V Amps 3.8 4.6 7.5 7.5 11.0 11.0 Maximum overcurrent protection 15 15 15 20 20 115V Normal ower consumption Watts 392 491 747 747 1086 1086 Discharge air temperature rise °F 60 60 60 60 cfm 1921 2242 2562 2882 3202 3843 4483 5123 Air volume Meter'/minute 54.4 1 63.5 72.5 81.6 90.7 108.8 126.9 145.1 Foo12 2.56 2.56 3.51 3.51 4.79 4.79 Discharge air opening area Meter2 0.24 0,24 0.33 0.33 0.45 1 0.45 fpm 752 877 1003 820 911 802 936 1069 Output velocity Meter/minute 229 267 306 1 250 278 244 285 1 326 Open fan motor size 1/6 1/6 1/4 1/4 1/2 1/2 Enclosed fan motor size Horsepo+Her 1/4 1/4 1/4 1/2 1/2 Fan motorspeed rpm 1050 1050 1050 1050 Fan diameter inches 18 18 20 20 24 24 Sound level @ 15 feet dba 51 52 53 56 1 56 59 61 62 1CSA ratings for elevations up to 2,000 feet. 2SIze shown Is for gas connection to a single-stage gas valve-not supply line size. 35maller and/or larger vent and combustion air pipe diameters may be permissible.Refer to appropriate venting instructions listed In Table 1. QMOCp=2.25 x(largest motor FLA +smallest motor FLA.Answer is rounded to the next lower standard circuit breaker size. 1-UBX-UBZ-UDX-UDZ{04-21}1034344-0 15