VERTICAL HIGH RISE FAN COILS - First Co.

3.632.31“E” 2333.632“C”2 PIPEOPTIONRSHRHSDCRCS4 PIPESHOWN3.56BFTX22RR STANDARDSTAND ALONERM PRIMARY WITHSECONDARYSTUBOUTS7 8 11“B”“D”3“A”2518846Floor to Floor+ 2” Normally633“G”ServiceOpenig10954“F”39RiserStubout5DrainID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly“E”5125 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENINGDOUBLE SUPPLYOPENING (2)TOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 6 14 X 6 14 10 14 X 10 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 6 14 X 6 14 10 14 X 10 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 6 18 X 6 16 12 16 X 12 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 6 18 X 6 16 12 16 X 12 20 42.62 18.13 16.25 X 26.75 X 110RR/RM 22 8 22 X 8 18 16 18 X 16 24 42.62 22.13 20.50 X 29.25 X 112RR/RM 22 8 22 X 8 18 16 18 X 16 24 42.62 22.13 20.50 X 29.25 X 1-6-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

2.313.63310 9HR“E” 2 2R HSDS22RR STANDARDSTAND ALONE7 8 11B2“A”5884663543“G”Service“F”Openig“E”33.632 PIPEOPTION512CRCS35Drain4 PIPESHOWNRM PRIMARY WITHSECONDARYSTUBOUTSFloor to Floor+ 2” Normally39RiserStuboutID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly5 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold1213.56Knockout for OptionalFresh Air InletBFXXMODELSINGLE SUPPLYOPENING (1)DOUBLE SUPPLYOPENINGTOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 8 14 X 8 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 12 14 X 12 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 10 18 X 10 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 12 18 X 12 20 42.62 18.13 16.25 X 26.75 X 1-7-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

2.313.63333.632 PIPEOPTION4 PIPESHOWN3.56BLRX“E”22RSHRHSDCRCS728112“A”RR STANDARDSTAND ALONE3RM PRIMARY WITHSECONDARYSTUBOUTS25“B”18846Floor to Floor+ 2” Normally63“E”3“G”ServiceOpenig109512“F”39RiserStubout5DrainID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly5 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENINGDOUBLE SUPPLYOPENING (2)TOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 6 14 X 6 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 6 14 X 6 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 6 18 X 6 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 6 18 X 6 20 42.62 18.13 16.25 X 26.75 X 110RR/RM 22 8 22 X 8 24 42.62 22.13 20.50 X 29.25 X 112RR/RM 22 8 22 X 8 24 42.62 22.13 20.50 X 29.25 X 1-8-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

4 PIPESHOWN3.56BFLX3.63 3 2 22HR HSDCRCSRS2 PIPEOPTION33.632.3132“E”“A”RR STANDARDSTAND ALONE7 8 11RM PRIMARY WITHSECONDARYSTUBOUTS“B”21Floor to Floor+ 2” Normally8854639RiserStubout5Drain“F”54633“G”ServiceOpenig10ID NUMBERCOMPONENT LISTDescription1 Return Air grille92 Supply Grille3 Coil Assembly4 Blower Assembly55 Thermostat Mount12“E”6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENINGDOUBLE SUPPLYOPENING (2)TOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 6 14X6 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 6 14X6 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 6 18X6 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 6 18X6 20 42.62 18.13 16.25 X 26.75 X 110RR/RM 22 8 22X8 24 42.62 22.13 20.50 X 29.25 X 112RR/RM 23 8 22X8 24 42.62 22.13 20.50 X 29.25 X 1-9-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

3.633224 PIPESHOWNHRHSDCRCS3.56BLXX2 PIPEOPTION3.63332“E”“A”2“B”7RR STANDARDSTAND ALONE811RM PRIMARY WITHSECONDARYSTUBOUTS251Floor to Floor+ 2” Normally468839RiserStubout5Drain“F”54“G”ServiceOpenig310963ID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly125“E”4 Blower Assembly5 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for optional FreshAir InletMODELSINGLE SUPPLYOPENING (1)DOUBLE SUPPLYOPENINGTOP SUPPLYOPEININGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 8 14X8 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 12 14X12 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 10 18X10 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 12 18X12 20 42.62 18.13 16.25 X 26.75 X 1-10-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

3.632.3133.6332 PIPEOPTION4 PIPESHOWN3.56BRTX“E”22“C”RSHRHSDCRCS278211RR STANDARDSTAND ALONE“D” 3RM PRIMARY WITHSECONDARYSTUBOUTS“B”52“A”18846Floor to Floor+ 2” Normally633“G”ServiceOpenig10954“F”5Drain39RiserStuboutID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly5125 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENINGDOUBLE SUPPLYOPENING (2)TOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 6 14 X 6 14 10 14 X 10 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 6 14 X 6 14 10 14 X 10 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 6 18 X 6 16 12 16 X 12 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 6 18 X 6 16 12 16 X 12 20 42.62 18.13 16.25 X 26.75 X 110RR/RM 22 8 22 X 8 18 16 18 X 16 24 42.62 22.13 20.50 X 29.25 X 112RR/RM 22 8 22 X 8 18 16 18 X 16 24 42.62 22.13 20.50 X 29.25 X 1-11-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

2.313.63333.632 PIPEOPTION4 PIPESHOWN3.56BRXX“E”22RSHRHSDCRCS22RR STANDARDSTAND ALONERM MASTER WITHSECONDARYSTUBOUTS7811“B”“A”32154886363“G”ServiceOpenig10955412“F”Floor to Floor+ 2” Normally39RiserStubout5DrainID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly5 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter“E”11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENING (1)DOUBLE SUPPLYOPENINGTOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 8 14 X 8 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 12 14 X 12 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 10 18 X 10 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 12 18 X 12 20 42.62 18.13 16.25 X 26.75 X 1-12-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

2.31 “E”4 PIPESHOWN3.56LFXX3.63HR HSDCRCS3.63222 PIPEOPTION322RR STANDARDSTAND ALONERM PRIMARY WITHSECONDARYSTUBOUTS3“A”“B”7 811215“F”4Floor to Floor+ 2” Normally6886339RiserStubout5Drain310“G”ServiceOpenig954ID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly5 Thermostat Mount12“E”6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENING (1)DOUBLE SUPPLYOPENINGTOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 8 14 X 8 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 12 14 X 12 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 10 18 X 10 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 12 18 X 12 20 42.62 18.13 16.25 X 26.75 X 1-13-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

3.6333.63 2.312 PIPEOPTION4 PIPESHOWN3.56RFXX22HRHSDCRCS11827“B”“A”RR STANDARDSTAND ALONE3RM PRIMARY WITHSECONDARYSTUBOUTS1258846Floor to Floor+ 2” Normally“F”543“G”ServiceOpenig1096339RiserStubout5DrainID NUMBERCOMPONENT LISTDescription1 Return Air grille2 Supply Grille3 Coil Assembly4 Blower Assembly“E”125 Thermostat Mount6 4 x 4 Junction Box7 Risers, Supply / Return Hot8 Riser, Drain9 Drain Pan10 Filter11 Riser, Supply / Return Cold12Knockout for OptionalFresh Air InletMODELSINGLE SUPPLYOPENING (1)DOUBLE SUPPLYOPENINGTOP SUPPLYOPENINGA B SIZE A B SIZE C D SIZE E F G FILTER SIZE3RR/RM 14 8 14 X 8 17 42.62 14.13 12.5 X 24.25 X 14RR/RM 14 12 14 X 12 17 42.62 14.13 12.5 X 24.25 X 16RR/RM 18 10 18 X 10 20 42.62 18.13 16.25 X 26.75 X 18RR/RM 18 12 18 X 12 20 42.62 18.13 16.25 X 26.75 X 1-14-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

2 PIPEUnit Arrangement4 PIPELegend:ReturnSupply4-PIPETYPICAL ARRANGEMENTRearHRHS CR CSDB F L XNo fresh air inletOne supply grille is on the leftLeftRiser LocationCABINETFrontRightHR = Hot WaterReturnHS = Hot water SupplyD = DrainCR = Cold Water ReturnCS = Cold Water Supply2-PIPEOne supply grille is on the frontRDSRisers one on the backRETURN AIR GRILLE IS ALWAYSCONSIDERED THE FRONT OF UNITR = ReturnD = DrainS = Supply-15-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

Blower PerformanceBLOWER PERFORMANCEUNITMODEL34681012FANSPEEDRR, RM, RSCFMEXTERNAL STATIC PRESSURE0.0 0.05 0.1 0.15 0.2 0.25 0.3HIGH 340 310 280 250 220 --- ---MED 290 265 235 200 165 --- ---LOW 275 245 230 190 160 --- ---HIGH 400 370 340 315 285 --- ---MED 350 325 295 265 235 --- ---LOW 275 250 225 195 165 --- ---HIGH 630 620 590 570 535 510 485MED 520 500 480 465 440 420 390LOW 430 420 390 370 340 325 300HIGH 860 835 810 780 750 720 685MED 690 685 680 665 640 625 600LOW 550 545 540 535 530 520 510MED HIGH 1060 1035 1010 985 960 945 920MED LOW 900 885 870 855 840 825 800LOW 720 710 700 690 680 665 650HIGH 1325 1300 1280 1260 1240 1220 1195MED LOW 940 925 910 900 890 875 860LOW 740 730 720 700 690 680 660NOTES:Based on maximum of 5 rows.Deduct 10% for operation at 208V.-16-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

ELECTRIC HEAT DATAUNITMODEL3RR,RM, RS,RC4RR,RM, RS,RC6RR,RM, RS,RC8RR,RM, RS,RC10RR,RM, RS,RC12RR,RM, RS,RCNOM.CFM30040060080010001200Electric Heat DatakW BTUH FLA MCA MOCP240V 208V 277V 240V 208V 277V 240V 208V 277V 240V 208V 277V 240V 208V 277V0123012340234560234568034568100345681000.751.52.2500.751.52.25301.52.2533.754.501.52.2533.754.5602.2533.754.567.502.2533.754.567.5012301234023456023456803456810034568100340068001020003400680010200136000680010200136001700020500068001020013600170002050027300010200136001700020500273003410001020013600170002050027300341000250051007700025005100770010200051007700102001300015400051007700102001300015400205000770010200130001540020500256000770010200130001540020500256000340068001020003400680010200136000680010200136001700020500068001020013600170002050027300010200136001700020500273003410001020013600170002050027300341000.64.88.913.10.64.88.913.117.30.58.81317.221.325.519.313.517.721.82634.32.915.419.623.727.936.244.62.915.419.623.727.936.244.60.64.27.811.40.64.27.811.4150.57.711.314.918.522.118.211.815.41922.629.82.913.717.320.924.531.7392.913.717.320.924.531.7390.3547.611.20.54.17.711.314.90.77.911.515.118.822.40.98.111.715.31922.629.82.413.216.820.524.131.338.52.413.216.820.524.131.338.5161217161217221121722273221217232833434202530354656420253035465615.5101515.5101519110151924282101520242938418222731404941822273140491510141610151911015192428211152024293831722263140493172226314049151515201515152020151520253035151520253035451520253035506015202530355060151515151515151520151515202530151515202530401520253035405015202530354050151515151515151520151515202530151515202530401520253035405015202530354050MOTOR ELECTRICAL DATA (No Electric Heat)VoltageFanSpeed3FRR 4FRR 6FRRHP Watts Amps MCA MOCP HP Watts Amps MCA MOCP HP Watts Amps MCA MOCP120/1/60 High 1/20 60 1.20 1.50 15 1/20 100 1.25 1.56 15 1/15 175 0.80 1.00 15208/1/60 High 1/12 90 0.60 0.75 15 1/20 100 0.60 0.75 15 1/15 155 0.50 0.63 15240/1/60 High 1/12 110 0.60 0.75 15 1/12 120 0.60 0.75 15 1/15 170 0.50 0.63 15277/1/60 High 1/20 90 0.35 0.44 15 1/12 130 0.50 0.63 15 1/15 185 0.70 0.88 15VoltageFanSpeed8FRR 10FRR 12FRRHP Watts Amps MCA MOCP HP Watts Amps MCA MOCP HP Watts Amps MCA MOCP120/1/60 High 1/15 370 2.70 3.38 15 1/3 460 6.00 7.50 15 1/3 690 6.00 7.50 15208/1/60 High 1/15 285 1.00 1.25 15 1/3 425 2.90 3.63 15 1/3 610 2.90 3.63 15240/1/60 High 1/8 315 1.00 1.25 15 1/3 475 2.90 3.63 15 1/3 690 2.90 3.63 15277/1/60 High 1/6 315 0.90 1.13 15 1/3 485 2.40 3.00 15 1/3 710 2.40 3.00 15-17-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

COOLING CAPACITY (1000 BTUH) (3 ROW and 3/1)MODELNOMINALCFM03 30004 40006 60008 80010 100012 1200GPM1.02.03.01.02.03.02.53.54.54.05.06.04.05.06.04.05.06.0P.D.(FT.WTR.)4.915.731.04.915.731.03.36.19.77.811.816.59.714.720.69.714.720.675 o F DB / 63 o F WB 80 o F DB / 67 o F WB40 o F EWT 45 o F EWT 50 o F EWT 40 o F EWT 45 o F EWT 50 o F EWTTH SH TR TH SH TR TH SH TR TH SH TR TH SH TR TH SH TR7.29.810.87.811.112.615.117.619.320.822.724.024.226.728.526.229.331.66.47.57.97.89.19.713.114.414.717.618.318.821.222.223.024.325.526.414.49.97.315.511.08.412.110.08.610.49.18.012.110.79.513.111.710.66.28.59.47.49.710.913.215.316.818.119.720.921.023.224.823.125.527.56.16.97.37.48.69.112.313.113.716.517.117.620.020.921.523.124.124.812.58.66.314.79.77.310.58.77.49.07.97.010.59.38.311.510.29.25.77.28.07.08.29.311.513.014.215.516.817.718.919.721.121.822.623.4Cooling Capacities5.76.46.77.07.08.411.512.312.715.516.016.418.919.520.121.822.623.211.47.35.414.08.26.29.37.46.37.76.75.99.47.97.010.99.17.89.412.914.29.814.616.519.823.025.227.229.731.431.634.937.434.338.441.47.38.69.28.710.511.214.916.217.020.021.021.724.225.226.427.629.130.318.812.99.519.714.611.015.813.111.213.611.910.515.814.012.517.215.413.88.111.212.38.512.714.317.220.021.923.725.827.327.530.432.529.833.436.06.88.08.48.39.710.414.015.015.718.819.520.122.723.824.525.927.328.216.411.28.317.112.79.513.811.49.811.810.39.113.812.210.814.913.412.06.99.510.57.810.812.214.617.018.720.121.923.223.425.827.625.428.430.66.47.37.77.89.09.613.013.914.517.518.118.621.222.122.724.425.426.213.99.57.015.610.88.111.79.78.310.18.87.711.710.39.212.711.410.COOLING CAPACITY (1000 BTUH) (4 ROW)MODELNOMINALCFM03 30004 40006 60008 80010 100012 1200GPM1.52.53.51.52.53.52.53.54.53.04.56.04.05.57.04.55.56.5P.D.(FT.WTR.)2.15.610.82.15.610.83.66.810.85.110.818.47.914.021.69.714.018.975 o F DB / 63 o F WB 80 o F DB / 67 o F WB40 o F EWT 45 o F EWT 50 o F EWT 40 o F EWT 45 o F EWT 50 o F EWTTH SH TR TH SH TR TH SH TR TH SH TR TH SH TR TH SH TR9.311.312.510.413.114.716.819.521.420.624.727.226.730.733.529.732.835.17.38.18.68.910.010.713.915.015.817.819.420.422.624.225.326.227.428.312.59.17.213.810.58.413.411.29.513.711.09.113.311.29.613.211.910.88.29.910.99.111.412.714.617.018.617.921.523.723.226.729.125.928.530.56.97.68.08.49.310.013.014.014.616.818.219.021.222.623.624.725.726.510.97.96.212.09.17.311.79.78.312.09.67.911.69.78.311.510.49.46.98.49.37.99.710.812.414.415.815.718.320.119.922.724.723.224.225.96.47.07.27.98.79.112.213.013.515.716.917.619.921.121.923.224.024.79.26.75.310.57.76.29.98.37.010.58.16.710.08.37.110.38.88.012.214.916.413.617.119.222.025.628.127.032.435.734.940.24.8.38.942.845.98.49.510.110.211.612.415.917.318.320.322.423.725.827.929.329.931.432.516.411.99.418.113.711.017.614.612.518.014.411.917.514.612.517.315.614.110.713.014.311.814.916.719.122.224.423.528.231.030.425.038.133.937.340.07.98.79.39.510.711.414.816.016.919.020.821.924.125.927.128.029.330.314.210.48.215.711.99.515.312.710.815.712.510.315.212.710.915.113.612.39.111.012.110.112.714.216.318.920.720.023.926.425.829.732.428.831.734.07.38.08.48.99.910.413.814.715.417.719.220.022.523.925.026.127.228.012.18.86.913.410.18.113.010.89.213.310.68.812.910.89.312.811.510.5COOLING CAPACITY (1000 BTUH) (3 ROW and 3/2)MODELNOMINALCFM03 30004 40006 60008 80010 100012 1200GPM1.02.03.01.02.03.02.53.54.54.05.06.04.05.06.04.05.06.0P.D.(FT.WTR.)4.915.731.04.915.731.03.36.19.77.811.816.59.714.720.69.714.720.675 o F DB / 63 o F WB 80 o F DB / 67 o F WB40 o F EWT 45 o F EWT 50 o F EWT 40 o F EWT 45 o F EWT 50 o F EWTTH SH TR TH SH TR TH SH TR TH SH TR TH SH TR TH SH TR7.09.510.57.310.612.014.516.818.419.721.422.722.925.327.024.727.729.86.17.17.957.38.69.212.313.313.916.417.117.619.920.821.522.523.724.514.09.67.114.610.68.011.69.68.29.88.67.611.410.19.012.311.19.96.18.39.26.99.210.412.614.616.017.118.619.719.922.023.521.524.125.95.86.77.06.98.18.511.612.413.015.416.016.418.719.520.121.322.323.012.28.36.113.99.27.010.18.47.18.67.56.69.98.87.81.79.68.65.57.17.86.67.98.910.912.413.614.515.816.817.618.720.020.120.922.15.56.26.56.67.67.910.911.612.014.514.915.217.618.218.720.120.921.510.97.15.213.27.95.98.77.16.17.36.35.68.87.56.710.18.47.49.112.513.89.413.915.718.922.024.225.728.129.730.033.135.432.336.239.16.98.38.88.29.910.614.115.216.118.719.620.222.623.824.725.526.928.018.312.69.218.813.910.515.112.610.712.911.29.915.013.211.816.214.513.08.010.912.18.212.113.716.519.221.023.725.927.426.128.830.828.131.534.06.67.78.17.89.29.813.214.214.917.017.818.321.222.222.924.025.226.115.910.98.016.312.19.113.210.99.311.910.49.113.011.510.314.112.611.36.89.310.3---10.311.614.016.317.919.020.721.922.124.526.123.926.828.96.17.07.4---8.59.012.313.113.716.216.817.319.820.621.222.523.524.213.69.36.8---10.37.811.29.37.99.58.37.311.19.88.711.910.79.6-18-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

Heating CapacitiesHEATING CAPACITY (1000 BTUH) (3 ROW)HEATING CAPACITY (1000 BTUH) (3/1 ROW)MODELNOMINALCFMGPMP.D.(FT. WTR.)ENTERING WATER TEMPERATURE180 o F 160 o F 140 o F 120 o FMODELNOMINALCFMGPMP.D.(FT. WTR.)ENTERING WATER TEMPERATURE180 o F 160 o F 140 o F 120 o F03 3001.01.52.04.99.715.728.730.932.223.525.326.318.319.720.513.114.014.603 3001.02.03.01.45.211.117.719.820.514.516.216.811.212.613.18.09.09.304 4001.02.03.04.915.731.034.439.341.128.132.233.621.925.026.115.617.918.704 4001.02.03.01.45.211.119.121.922.915.717.918.712.213.914.68.79.910.406 6003.04.05.04.67.811.856.358.860.546.148.149.535.837.438.525.626.727.506 6001.02.03.02.17.315.226.431.433.221.625.727.216.820.021.212.014.315.108 8004.05.06.07.811.816.572.074.476.258.960.962.345.847.448.532.733.834.608 8001.02.03.02.17.315.228.234.537.023.128.230.318.021.923.612.815.716.810 10004.05.06.09.714.720.688.992.394.772.775.577.556.858.760.340.442.043.110 10001.02.03.01.15.413.834.042.346.027.834.637.721.726.929.315.519.220.912 12004.05.06.09.714.720.6100.2104.5107.682.085.588.063.766.568.445.647.548.912 12001.52.53.42.89.119.640.847.350.433.438.741.226.030.132.118.521.522.9HEATING CAPACITY (1000 BTUH) (4 ROW)HEATING CAPACITY (1000 BTUH) (4/1 ROW)MODELNOMINALCFMGPMP.D.(FT. WTR.)ENTERING WATER TEMPERATURE180 o F 160 o F 140 o F 120 o FMODELNOMINALCFMGPMP.D.(FT. WTR.)ENTERING WATER TEMPERATURE180 o F 160 o F 140 o F 120 o F03 3002.03.04.03.68.017.332.033.734.726.227.628.620.421.422.114.515.315.803 3001.02.03.01.417.911.116.017.918.513.114.615.210.211.411.87.38.18.404 4002.03.04.03.68.014.040.442.844.233.035.036.225.727.228.218.319.520.104 4001.02.03.01.45.211.117.319.820.714.216.216.911.012.613.27.99.09.406 60008 80010 100012 12003.04.05.04.05.06.04.05.06.04.05.06.05.18.713.18.713.118.47.911.816.47.911.816.460.563.265.079.281.883.795.599.2102.0108.8113.6117.149.551.753.264.867.068.578.181.283.589.192.995.838.540.241.450.452.153.360.863.164.969.372.374.527.528.729.636.037.238.143.445.146.449.551.653.206 60008 80010 100012 12001.02.03.01.02.03.01.02.03.01.52.53.52.17.315.22.17.315.21..15.413.82.89.119.623.928.430.125.631.333.630.938.441.737.042.945.719.623.224.620.925.627.525.231.434.230.335.137.415.218.119.216.319.921.419.624.426.623.627.329.110.912.913.711.614.215.314.017.419.016.819.520.8HEATING CAPACITY (1000 BTUH) (3/2 ROW)MODELNOMINALCFMGPMP.D.(FT. WTR.)ENTERING WATER TEMPERATURE180 o F 160 o F 140 o F 120 o F03 3001.02.03.02.79.921.122.925.726.618.821.021.814.616.317.010.411.712.104 4001.02.03.02.79.921.126.930.832.222.025.226.317.119.620.512.214.014.606 6001.02.03.04.013.326.937.244.246.830.536.138.323.728.129.816.920.121.308 8001.02.03.04.013.326.942.652.055.934.842.545.727.133.135.519.323.625.410 10003.04.05.05.810.315.966.670.472.654.557.659.442.444.846.230.332.033.012 12003.04.05.05.810.315.973.778.381.260.364.166.446.949.851.733.535.636.9-19-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

UNITSIZEStandard 88”cabinetFRRA SeriesNOMINALCFMSingle discharge units are availablewith above grille sizesQTYNOMINALGRILLESIZESUPPLY AIR GRILLESCOREAREA(SG. FT.)Supply Air GrillesDouble discharge units are availablewith above grille sizesQTYNOMINALGRILLESIZECOREAREA(SQ. FT.)TOP SUPPLY OPENINGTop single supply openingQTYNOMINALGRILLESIZE3 300 1 14 X 8 0.65 2 14 X 6 1 1 14 X 104 400 1 14 X 12 1 2 14 X 6 1 1 14 X 106 600 1 18 X 10 1.13 2 18 X 6 1.3 1 16 X 128 800 1 18 X 12 1.37 2 18 X 6 1.3 1 16 X 1210 1000 --- --- --- 2 22 X 8 2.2 1 18 X 1612 1200 --- --- --- 2 22 X 8 2.2 1 18 X 16Standard grille is a double deflection type with streamlined shaped roll-formed blades on 3/4” centers. 1 1/4” wide faceborder with a 1” overlap margin standard, furnished with countersunk screw holes. Rigid, roll-formed frames with reinforcedmitered corners.Vertical and horizontal blades are friction pivoted and easily adjusted to provide desired spread or deflection.Blades maintain adjustable deflection setting during all conditions to velocity and pressure.Standard grille finish is anAppliance White baked enamel.-20-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

DAccess Panel /Return GrilleCAUNITMODELFLUSH MOUNT DIMENSIONSA B C D03/04 53.4 13.6 55.0 15.206/08 53.4 17.6 55.0 19.210/12 53.4 21.6 55.0 23.2BAccess Panel Specification• Optional panels include flush mount or frame type• Constructed from 18 gauge galvanized steel and coated with White EpoxyPowder finish• Panel is insulated with 1/2” heavy density fiberglass insulation• Panel mounted with tamper-proof fastners• intergral stamped steel return air louvers• Panel provides access to all internal components• Framed panels require field installation of frameCSURFACE MOUNT DIMENSIONSUNITMODELAB03/04 55.5 15.806/08 55.5 19.810/12 55.5 23.8B-21-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

HVAC Guide Specifications — FRFan Coil Unit — Vertical High RiseGuide SpecificationsSize Range:300 to 1200 Nominal CfmModel Numbers:FRR (Furred-in) Stand AloneFRM (Furred-in, Primary with Secondary Stub outs)FRS Secondary UnitPart 1 — General1.01 SYSTEM DESCRIPTIONStack fan coil units, 2-pipe, 4-pipe or electric heat for furred-in cabinets that are floor mounted in multi-storybuildings.1.02 QUALITY ASSURANCEUnits shall be tested in accordance with ARI standard 440. All units shall be UL approved. Each coilshall be factory tested for leakage at 300 psig air pressure with coil submerged in water. Insulation and adhesiveshall meet NFPA-90A requirements for flame spread and smoke generation. All equipment wiring shall comply withNEC requirements.1.03 DELIVERY, STORAGE AND HANDLINGUnit shall be handled and stored in accordance with the manufacturer’s instructions.Part 2 — Products2.01 EQUIPMENTA.General: Standard FeaturesFactory assembled, stack fan coil units. Units are complete with water coil, fan, motor, drain pan, and all requiredwiring, piping, controls, and special features.B.Furred-In Stack Unit (FRR):The unit shall be constructed of 18-gage galvanized steel frame and 18-gage galvanized steel back panel. Thefan coil is open or enclosed for furred-in installation. These units are designed to have the wallboard applieddirectly to the unit surface and all openings have standard 3/4-in. thick antimicrobial coated Tuf-skin RX fiberglassinsulation. Units have double deflection aluminum discharge grille(s) and painted, stamped (standard) return-airgrille panel. Removable return-air grille provides access to all internal piping and wiring. Controls are provided witha quick disconnect plug for field-mounting on front of unit.C.Back-To-Back Furred-In Stack Units (FRS) Primary/Secondary:The open unit shall be constructed of 18-gage galvanized steel frame and 18-gage galvanized steel back panel.These units are similar to the FRR but are actually two completely separate units that share a common set ofrisers. These units are designed to have the wallboard directly applied to the unit surface and openings havestandard ½-in. drywall flanges. The interior surfaces shall be lined with 3/4-in. thick antimicrobial coated Tuf-skinRX fiberglass insulation. Units have double deflection aluminum supply grille(s) and painted, stamped return-airgrille panel. Removable return-air grille provides access to all internal piping and wiring. Controls are provided witha quick disconnect plug for field-mounting on front of unit.D.Drain Pan:Removable drain pan shall be formed of heavy gauge galvanized steel and shall be coated inside withfire-retardant closed-cell foam insulation. The drain is factory piped to the drain riser that has a removable “P-trap”allowing easy cleaning.E.Filter:A filter track complete with 1-in. fiberglass throwaway filter shall be installed in the unit.F.Fan:1. Centrifugal fan shall be directly-driven by an electric motor.-22-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

Guide Specifications2. Fan wheel shall be double-width type with forward-curved blades and shall be statically and dynamically balanced.3. Fan wheel and scroll shall be constructed of galvanized steel.G. Coil:1. Standard base unit shall be equipped with a 3-row for installation in a 2-pipe system. Additional coil depth andcircuiting shall be provided for installation in a 4-pipe system as described in the Special Features section.2. All coils shall have ½-in. copper tubes and aluminum fins spacing; coil fins are mechanically bonded to tube joints.The copper tubes comply with the ASTM B-75. The fin thickness is 0.06-in. and tube thickness is 0.016-inches. Allcoils are tested with air under water and are suitable for design working pressures of 300 psig3. Coil shall be equipped with a manual air vent and shall be piped to supply and return risers with valves as specifiedon the equipment drawings.4. Piping between coil and risers shall compensate for maximum riser expansion and contraction of 11/2 inches.H. Risers:1. Standard factory-furnished and installed risers shall be 115 in. long with 3-in. belled ends at the top such that onlyone sweat connection shall be required at each floor to join one riser to another.2. Risers shall be Type M copper insulated with 3/4-in. thick synthetic rubber.3. Supply and return risers shall be as shown on equipment drawings, drain riser shall be 1 in. diameter.I. Valves:Optional factory furnished and installed piping shall include two ball valves and one 2-way motorized valve. The ballvalves shall be rated at 150 psig.J. Controls and Safeties:1. Controls:a. Standard controls for a 2-pipe system shall consist of a heating/cooling thermostat (SPDT) with 3-speed fancontrol.2. Safeties:Unit fan motor shall be equipped with integral motor protection.K. Operating Characteristics:1. A unit with a conventional coil, installed in a 2-pipe system, shall be capable of providing heating or cooling asdetermined by the operating mode of the central water supply system.2. A unit with a row-split coil, installed in a 4-pipe system, shall be capable of providing sequenced heating andcooling.L. Electrical RequirementsStandard unit shall operate on 115-v, single phase, 60-Hz electrical power supply.M. Motor:1. Fan motor shall be 3-speed, 115-v, single phase, 60-Hz, permanent split capacitor type, factory mounted on theblower housing.2. Bearings shall be of the sealed sleeve type.-23-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com

Guide SpecificationsN. Add Options:Certain standard features are not applicable when the features designated by * are specified.Valve package standard options, 2-pipe or 4-pipe:No Valves2-ball valves on riser2-way valves only (units without risers)2-way valves and 2-ball valves3-way valves only (units without risers)3-way valves and 2-ball valves3-way valves and 2-ball valves + Aqua Stat2-Way Deluxe2-Way valve, Auto-Flow setter, P/T Ports, Strainer, 2-ball valves3-Way Deluxe3-Way valve, Auto-Flow setter, P/T Ports, Strainer, 2-ball valves* 1. Unit shall be equipped with a 4-row coil for installation in a 2-pipe system.* 2. For installation in a 4-pipe system, unit shall be equipped with:a. A 3/1, 3/2 or 4/1 row-split coil, as shown on equipment drawings for cooling and heating.b. Two each supply and return risers as shown on equipment drawings and one 1 in. diameter drain riser.c. Two ball valves, and two 2-way motorized valves.d. Heating cooling thermostat with 3-speed fan controls.* 3. Unit shall be equipped with 3-way motorized valves.* 4. Supply and return risers shall be 3/4 in., 11/4 in., 2 in. or 21/2 in. diameter as shown on the equipment drawings.* 5. Floor-to-floor height of risers shall be as specified on the equipment drawings.* 6. Supply and return risers shall be Type L copper.* 7. Insulation on risers shall be 3/4-in. thick synthetic rubber.* 8. Unit shall be equipped with a separate reverse return riser with size as shown on the equipment drawings.* 9. Motor shall be 3-speed, single phase, 60 Hz permanent split capacitor type for 208, 230 or 277 volts.*10.Double-deflection steel supply grille(s) shall be finished with paint. Additional double-deflection supply grille(s)shall be furnished for field installation.11. A fresh-air opening shall be provided as shown on the equipment drawings.*12.1-in. thick TA filters shall be installed in the filter track.13. Unit shall be equipped with nichrome wire electric strip heaters for total or auxiliary electric heat as specified onthe equipment schedule.a. Heaters shall be protected by an automatic reset safety cutout switch.b. Heater capacity shall be as specified on the equipment schedule.c. Heaters shall be single phase, 60 Hz for 120, 208, 240 or 277 volts as specified on the equipment schedule.*d. For total electric heat, unit controls may include a sequenced heating and cooling thermostat.e. For auxiliary electric heat or twilight heat, unit controls shall include 2 additional automatic changeover devices.14. Tamper-proof fasteners shall be installed on the access panels.15. A plastic or stainless steel drain pan shall be available for factory installation.16. Factory-installed installation options shall include antimicrobial coated, dual density fiberglass (Tuf-Skin Rx) orfoil faced fiberglass insulation.17. Return Air Panelsa. Short surface mount.b. Short flush mount (framed)Catalog No. stacker0310 (Replaces stacker0110)-24-FIRST CO. - P.O. Box 270969 - Dallas, Texas 75227 - Ph. (214) 388-5751 - Fax (214) 388-2255 - www.firstco.com