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lch series warning important warning caution

1. HORIZONTAL External Static in w g Volume 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 9 1 0 cfm RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM RPM BHP RPM BHP RPM BHP 1900 507 0 55 538 0 58 571 0 6 604 0 63 639 0 66 673 0 7 707 0 74 740 0 78 772 0 82 802 0 86 2000 522 0 59 554 0 62 586 0 64 620 0 67 653 0 71 687 0 74 720 0 78 752 0 82 783 0 87 812 0 91 2100 539 0 63 571 0 66 603 0 69 636 0 72 669 0 75 702 0 79 734 0 83 765 0 88 795 0 92 823 0 97 2200 557 0 68 588 0 71 620 0 74 652 0 77 685 0 81 717 0 84 748 0 89 778 0 93 807 0 98 834 1 03 2300 576 0 73 607 0 76 638 0 79 670 0 83 701 0 86 733 0 9 763 0 95 792 0 99 820 1 04 846 1 09 2400 596 0 79 626 0 82 657 0 85 688 0 89 718 0 92 749 0 96 778 1 01 806 1 06 833 1 11 858 1 16 2500 616 0 85 645 0 88 676 0 91 706 0 95 736 0 99 765 1 03 794 1 08 821 1 13 847 1 18 871 1 23 2600 636 0 91 665 0 94 695 0 98 724 1 02 754 1 06 782 1 1 809 1 15 836 1 2 861 1 25 885 1 3 2700 657 0 97 685 1 01 714 1 04 743 1 08 771 1 13 799 1 17 826 1 22 851 1 27 875 1 32 899 1 37 2800 677 1 03 706 1 07 734 1 11
2. 7 5 kW 15 kw 22 5 kW 30 kW Rote No of Btuh No of Btuh No of Btuh No of Btuh Stages input Output Stages input Output Stages input Output Stages input Output 208 1 5 6 19 200 1 38 200 1 16 9 57 700 1 2285 76 800 220 1 6 3 21 500 1 12 6 43 000 1 18 9 64 500 1 25 2 86 000 230 1 6 9 23 500 1 13 8 47 000 1 20 7 70 700 1 215 93 900 240 1 7 5 25 600 1 15 51 200 1 22 5 76 800 1 30 102 400 440 1 6 3 21 500 1 12 6 43 000 1 18 9 64 500 1 25 2 86 000 460 1 6 9 23 500 1 13 8 47 000 1 20 7 70 700 1 27 5 93 900 480 1 K 25 600 1 15 51 200 1 22 5 76 800 1 30 102 400 550 1 6 3 21 500 1 12 6 43 000 1 18 9 64 500 1 25 2 86 000 575 1 6 9 23 500 1 13 8 47 000 1 20 7 70 700 1 27 5 93 900 600 1 7 5 25 600 1 15 51 200 1 22 5 76 800 1 30 102 400 Page 27 LCH PARTS ARRANGEMENT HUMIDITROL EVAPORATOR COIL COIL OPTIONAL TXV CONDENSER FILTERS 4 036 048 16 X 20 X 2 060 072 20 X 20 X 2 a es TE WR NN SS ES STE 1555 WH SSS SS SSS NSS SQ SSS Wns Sse N NS SSN SSS NNS SSS SSS SSS SPSS CONDENSER COIL OPTIONAL CONDENSATE DRAIN ELECTRIC HEAT Va BELT DRIVE SHOWN Optional CONTROLLER COMPRESSOR FIGURE 1 LCH CONTROL BOX FIGURE 2 Page 28 I UNIT COMPONENTS All 3 through 6 ton 7 through 21 kW units are co
3. olo 1919 F42 F42 TB2 S48 OR CB10 MAY BE USED a REMOVEJUMPER PLUG WHEN FIELD n INSTALLING ELECTRIC HEAT a S20 LIMIT ON BOX UNITS IS 0 RESETABLE E se D Y 3205 29 O I A Zosen Zosen Lean n seo 01 5157 2 75kM O F42 jr4e r4e F42 DENOTES OPTIONAL COMPONENTS WIRING DIAGRAM HEATING ELECTRIC HEAT FOR ENERGENCE E1EH 7 5 15 22 5 P SECTION A Supersedes New Form No 537181 01 Lennox Commercial 15KW 22 5KW Page 53 Sequence of Operation E1EH 7 5 15 22 5 30 G J Voltage HEATING ELEMENTS 1 Terminal Strip TB2 is energized when the unit discon nect closes TB2 supplies line voltage to electric heat elements HE1 and HE2 Elements are protected by fuse F3 FIRST STAGE HEAT 2 Heating demand initiates at W1 in thermostat 3 24VAC is routed to the 55 Unit Controller After 55 proves N C primary limit S15 the electric heat contac tor K15 is energized A55 energizes the blower and economizer 4 7 5kW 15kW units N O contacts K15 1 close ener gizing HE1 22 5kW 30kW units N O contacts K15 1 close ener gizing HE4 HE1 and HE2 END OF FIRST STAGE HEAT 5 Heating demand is satisfied Terminal W1 in the ther mostat is de energized 6 Electric heat contactor K15 is de energized 7 7 5kW 15kW units conta
4. t 39 2 weg o 4 4 s m TABLE 17 LCH060H NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig TABLE 12 LCH048S REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig CSR 39 139 SE 115 F 479 148 TABLE 18 TABLE 13 LCHOGOH REHEAT NORMAL OPERATING PRESSURES LCH048H NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig TABLE 14 LCH048H REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig TABLE 19 LCH072H NORMAL OPERATING PRESSURES Discharge 10 psig wr 4 4 x o nm 55 1 4 TABLE 15 TABLE 20 LCH060S NORMAL OPERATING PRESSURES LG072H REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig Entering Air Temp 10 psig psig 65 F 136 L j 22 11 37 75 F 138 Br 140 F 36 4 95 142 3 105 F 145 9 DEE 148 Oo mF 5 48 Page 40 D Charge Verification Approach Method AHRI Testing 1 Using the same thermometer compare liquid tempera ture to outdoor ambient temperature Approach Temperature Liquid temperature at con denser outlet minus ambient temperature 2 Approach t
5. 1400 0 58 1200 0 72 1362 1421 0 81 1454 0 84 1500 0 63 11212 0 77 1360 1428 0 87 1460 0 90 1600 0 69 1225 0 83 1369 1435 0 94 1467 0 96 1700 0 75 1240 0 90 1379 1443 1 00 1475 1 03 1800 0 81 1256 0 97 1390 1453 1 07 1483 1 10 1900 2000 0 96 1291 1 00 1323 1 04 1354 1 08 1385 1 12 1416 1446 1463 1476 1 15 1 23 1493 1505 1 18 1 26 2100 1 04 1310 1 08 1340 1 13 1371 1 17 1401 1 21 1431 1460 1489 1 32 1519 1 36 2200 1 13 1330 1 18 1359 1 23 1388 1 27 1418 1 31 1447 1476 1504 1 42 1533 1 45 2300 1 23 1350 1 28 1378 1 34 1406 1 38 1435 1 42 1464 1492 1521 1 53 1549 1 56 2400 1 33 1370 1 40 1397 1 45 1425 1 50 1454 1 54 1482 1510 1538 1 64 1567 1 67 15 BLOWER DATA BELT DRIVE 6 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc 1 See Page 18 for blower motors and drives and wet coil and options accessory air resistance d
6. J lt lt 77 lt 5 777 oL L8LL PELL 622 EVLL 896 75 0 SOLL 218 61002 690L 6 9 068 CEOL ZFS 299 966 9vv 746 WHE 0080 007 1 77 1777 777 777 60 90 ALLL 196 8812 0801 96 VOC OVOL 699 5698 LOOL LES 989 7 56 Ber 997 VLG BCE 1892 7 5 77 77 777 80 LELL 6801 2962 6601 VEG 61 22 750 6 5206 OLOL 999 006 796 IS VELL 966 Sit 667 S88 ZLE PZL 5 000 777 1 777 777 777 Z0 1227 221 GAS Owe bel ese ces eee eee eee ace 90 0601 928 862 682 96 677 VOC 1601 097 818 90 2901 POOL 892 242 6 L SCZ 6 SCLL 189 298 Sv9L vcL 844 8 vL S99 674 9 LL 909 EOL 16 CO 620 L891 089 ZEZ E8yl 109 99 760 VES S6 786 c0 2001 8111 469 Occ 205 OSS VSL 566 88 6901 0 286 0 11 909 802 9898 IS 99 696 88 6 LL 0 5 WD 5 SHEM SHEM 5 SHEM INdH SHEM 58 SHEM UD TM ul 96001 06 08 9002 09 9008 9009 9006 9002 nb oL JOJO N 16101 JO 18 191 4 IVLNOZINOH ceras te 21 88 861 eee m
7. LENNOX Service Literature Corp 0925 L11 Revised 3 2011 UNIT INFORMATION LCH SERIES 7 to 21 kW LCH036 through 072 LCHO036H 048H and 060H are high efficiency packaged units equipped with direct drive blowers LCH036S 0485 and 0608 are standard efficiency packaged units equipped with two speed belt drive blowers LCHO72H is a high effi ciency packaged unit equipped with a single speed belt drive blower Optional electric heat is factory or field installed Electric heat operates in single stage depending on the kW input size 7 5kW through 30 kW heat sections are available for the LCH unit Information contained in this manual is intended for use by qualified service technicians only All specifications are sub ject to change Procedures outlined in this manual are pre sented as a recommendation only and do not supersede or replace local or state codes If the unit must be lifted for service rig unit by attaching four cables to the holes located in the unit base rail two holes at each corner Refer to the installation instructions for the proper rigging technique AWARNING Improper installation adjustment alteration service maintenance cause property damage al injury or loss of life Installation and service must be performed by a licensed professional installer or equivalent or service agency AIMPORTANT The Clean Air Act of 1990 bans the intentional vent ing of refri
8. SHEMI WD 58 SHEM 5 WD SHEM 5 WD SHEM SHeEM WD ut 00L 06 08 9602 9609 9608 9609 9606 9602 Sie 1 10310 y 6301 10 QAY SLINA TIY SS 82 1 eouejsisei onp eouejsiseJ s uoss 52e p l e sul Dia Auy Z 101 Jo Be u 5i d sBun s peeds jnNejoqg ILON fuosseooe suondo pue J0J 8 jeziuouooe uono s suondo AIOEL uy 39V ld NI SY43 1109 AXA HLIM AINO LINN 3SV8 AONVLSISSY SAGNTIONI 318VL 483MO 18 NOL JAIHG LO3IG VLVG Page 7 GOEL 18 0871 98cl 262 SZOL 89CcL 2989 074 rim um 58322 cun E Lu ca ci 9 0 vc8 298 8401 084 PLZL kel 529 2891 61011 1898 69981 8811 887 OWL SENE SES Ss ad A22 Eni VL 1401 628
9. 101 setting allows manual potentiometer control on the A55 Unit Controller Installer Circle applicable unit model number and record any ECTO changes under Field Setting column Settings need to be recorded by install er for use when unit controller is replaced or reprogrammed Refer to unit controller guide Setting menu path or use optional software to change settings PULLEY ALIGNMENT MINIMUM AND MAXIMUM PULLEY ADJUSTMENT ALIGNED se A Section MOTOR BELT BLOWER PULLEY PULLEY NOT ALIGNED FIGURE 8 Page 34 F Blower Belt Adjustment Units Equipped With An Optional Belt Tensioner 1 Remove blower belt 2 Remove bracket from blower housing See figure 9 3 Remove the screw from the back side of the bracket 4 Move the tensioner to the appropriate adjustment hole and reinstall screw 5 Replace bracket 6 Replace blower belt See figure 10 ADJUST BELT TENSIONER INDICATOR SHOULD BE MAXIMUM BETWEEN MINIMUM AND TENSION MAXIMUM TENSION LINES MINIMUM TENSION BRACKET TIGHTEST BELT POSITION TIGHTER BELT POSITION FACTORY SET POSITION FIGURE 9 Page 35 INSTALL BELT DRIVER PULLEY e 1 TENSIONER DRIVEN PULLEY 7 4 Ko ROTATE DRIVEN PULLEY TO SEAT BELT T D FIGURE 10 G Check Belt Tension Example Deflection distance of a 40 span would be Overtensioning belts shortens belt a
10. 883 0 34 944 0 35 987 0 38 1022 0 42 1062 0 46 1400 584 0 26 641 0 29 698 0 33 755 0 36 827 0 37 899 0 38 956 0 40 997 0 43 1033 0 47 1072 0 51 1500 615 0 29 671 0 33 726 0 36 782 0 39 850 0 41 S 0 42 970 0 44 1009 0 47 1045 0 52 1085 0 56 1600 665 0 30 716 0 34 768 0 38 819 0 41 879 0 44 937 0 46 985 0 49 1022 0 52 1059 0 57 1098 0 61 1700 723 0 31 768 0 35 814 0 39 860 0 43 910 0 47 959 0 50 1001 0 54 1037 0 58 1074 0 62 1113 0 66 1800 779 0 32 818 0 37 857 0 41 897 0 46 939 0 50 980 0 55 1018 0 59 1054 0 64 1091 0 68 1129 0 72 1900 826 0 36 859 0 41 894 0 45 928 0 50 964 0 56 1000 0 61 1036 0 66 1072 0 70 1109 0 75 1146 0 79 2000 857 0 42 889 0 47 920 0 52 952 0 57 986 0 62 1020 0 68 1055 0 73 1091 0 77 1128 0 82 1164 0 86 2100 878 0 49 909 0 54 940 0 59 973 0 64 1006 0 70 1041 0 75 1076 0 80 1112 0 85 1148 0 89 1185 0 93 2200 897 0 55 929 0 61 961 0 66 994 0 72 1028 0 78 1063 0 83
11. DIF A DIF ENTH SET PNT ENTH SET PNT vw Note All economizer modes of operation except DSET will modulate dampers to 55 F 13 C discharge air FIGURE 22 Outdoor Air Damper and Economizer Operation DIRECT DRIVE AND BELT DRIVE SYSTEM OPERATION 3 THROUGH 5 TONS Note Direct drive units feature ECM condenser fans that are staged to match the compressor s capacity When the compres sor is operating at first stage the condenser fan is operating at low speed The condenser fan switches to high speed when the compressor switches to second stage to match operation Modulating Outdoor Air Damper Damper minimum positions 1 and 2 are adjusted during unit setup to provide minimum fresh air requirements at the indi cated supply fan speeds per ASHRAE 62 1 Supply fan is off and the outdoor air damper is closed Supply fan is on low speed and the outdoor air damper is at minimum position 1 Supply fan is on high speed and the outdoor air damper is at minimum position 2 1Outdoor Air is Suitable Note When outdoor air is not suitable during the occupied time period damper modulates to minimum position When out door air is not suitable during the unoccupied time period damper modulates closed Cooling Thermostat or Zone Sensor Mode Up to 3 stages Y1 Y2 Y3 Y1 demand 1st Compressor is off supply fan is on low speed economizer modulates minimum to maximum open positio
12. Maximum Unit Only 35 35 15 15 15 15 Overcurrent With 1 0 33 HP 35 40 15 20 15 15 Protection Power Exhaust 3 Minimum Unit Only 23 27 11 13 9 10 Circuit With 1 0 33 HP 25 29 12 14 10 11 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 480V 480V 600V 600V 2 Maximum Unit 7 5 kW 95 95 35 95 15 20 15 15 Overcurrent Electric Heat 15kW 45 50 50 60 25 30 20 25 Protection 3 Minimum Unit 7 5 kW 24 27 29 32 14 16 11 13 Circuit Electric Heat 15 kW 44 50 49 55 25 27 20 22 Ampacity 2 Maximum Unit 7 5 kW 35 35 40 40 15 20 15 15 Overcurrent Electric Heat 15 kW 450 60 60 60 30 30 26 25 Protection and 1 0 33 HP Power Exhaust 3 Minimum Unit 7 5 kW 27 30 32 35 15 18 12 14 Circuit Electric Heat 15 kW 47 53 52 58 27 29 21 23 Ampacity and 1 0 33 HP Power Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W21 20W21 20W21 20W21 20W21 20W21 20W21 20W21 15 kW 20W21 20W21 20W21 20W21 20W21 20W21 20W21 20W21 Extremes of operating range are plus and minus 10 of line voltage HACR type breaker or fuse 3 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements Factory installed circuit breaker not available Page 23 ELECTRICAL ELECTRIC HEAT DATA 5 TON 5 TON HIGH EFFICIENCY R 410A LCHO60H4 1 Voltage 60hz 208
13. 0 93 1393 0 97 1426 1 01 1459 1 05 1800 1167 0 76 1205 0 80 1244 0 83 1280 0 87 1310 0 91 1338 0 95 1370 0 99 1402 1 04 1434 1 08 1466 1 11 1900 2000 1183 1201 0 82 0 89 1221 1239 0 86 0 93 1260 1276 0 90 0 97 1294 1310 0 94 1 01 1323 1336 0 98 1 06 1349 1362 1 02 1 10 1380 1392 1 07 1 15 1412 1423 1 19 1443 1454 1215 1 23 1475 1485 1 19 1 27 2100 1221 0 97 1258 1 01 1294 1 05 1325 1 09 1351 1 14 1376 1 19 1406 1 23 1436 1 27 1466 1 31 1497 1 35 2200 1242 1 05 1277 1 09 1311 1 14 1341 1 18 1365 1 23 1390 1 28 1420 1 32 1450 1 36 1480 1 41 1510 1 45 2300 1262 1 14 1295 1 19 1327 1 24 1355 1229 1380 1 33 1406 1 37 1435 1 42 1465 1 46 1494 1 50 1524 1 54 2400 1282 1 24 1313 1 30 1343 1 36 1371 1 40 1396 1 44 1423 1 48 1452 1 52 1481 1 56 1510 1 60 1540 1 64 Page 14 BLOWER DATA BELT DRIVE 5 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section
14. 1169 0 73 1800 1152 0 76 1190 0 8 1900 841 0 49 883 054 926 0 6 969 0 65 1011 0 69 1052 0 72 1094 0 76 1136 0 79 1176 0 83 1212 0 89 External Static in w g Volume 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 cfm RPM BHP RPM RPM RPM RPM RPM RPM BHP 900 1097 0 38 1142 0 41 1182 0 43 1218 0 46 1252 0 49 1284 052 1314 0 55 1344 0 57 1000 1105 0 41 1149 044 1190 0 47 1226 0 5 1260 0 53 1292 0 56 1322 0 59 1352 0 62 1381 0 65 1410 0 68 1100 1115 0 45 1158 0 48 1198 0 51 1235 0 55 1269 0 58 1301 0 61 1331 0 64 1360 0 67 1389 0 7 1418 0 73 1200 1126 0 49 1168 0 53 1208 0 56 1244 0 6 1278 0 63 1309 0 66 1340 0 69 1369 0 72 1398 0 75 1426 0 78 1300 1140 0 54 1180 057 1218 0 61 1254 0 65 1287 0 68 1319 0 72 1349 0 75 1378 0 78 1407 0 81 1436 0 84 1400 1154 0 59 1193 0 63 1230 0 67 1265 0 7 1298 10 74 1330 0 78 1360 0 81 1389 0 85 1418 0 88 1447 0 91 1500 1170 0 65 1208 0 69 1244 0 73 1278 0 77 1310 0 8 1341 0 84 1371 0 88 1401 0 91 1430 0 95 1459 0 98 1600 1187 0 71 1223 0 75 1258 0 79 1291 0 83 1323 0 87 1354 0 91 1384 0 95 1414 0 99 1443 1 02 1474 1 06 1700 1204 0 78 1240 0 82 1274 0 86 1306 0 9 1338 0 95
15. 668 866 269 80046 7 8 998 OVOZ 028 1481 9 Eve C291 907 Spe ELVL 759 841 c6lLL 609 VOL LLG CO 00 7626 71046 EE 6966 7506 2297 4666 687 6965 26506 862 609 888 72627 ces 729 97 759 Seer 998 68 926 c0 986 096 VISZ 766 018 8 66 288 099 C8 4864 8702 69 0 7 VIG 869 GLE L 9 122 609 6488 ESL 780 v8v 98 8EOL LO 696 866 PESE OLG 167 9662 098 GVO 86526 LEZ 616 9606 VEL 666 v 6L 299 COE OVAL 109 LLZ SPSL OLS VCEL Och 9 COLL 0 SHEM WD SHEM SHEM SHEM SH3EM SHEM INdH SHEM INdH 58 SHEM WD ul 00L 06 08 9002 09 0S 0 0 02 2 1 JOJO N 6101 JO Ieu1 9 xdg 6S YBIH 9696 1 nbio Jo sBun s p ds ynez d ILON fuosseooe suondo pue J0J 8 eouejsisei jonp eouejsiseJ s uoss 52e pej ejsur Dia Auy Z uonoes eeu eouejsisai suondo 6 40 96 Auy SLINN TIY YOs S39V1d NI SHA XIV 7109 8OOQNI AINO LINN 35 ADN
16. 943 0 38 993 0 41 1041 0 43 1089 0 46 1300 611 0 24 677 0 27 740 0 3 800 0 32 856 0 35 909 0 39 959 0 42 1007 0 45 1055 0 47 1102 0 5 1400 654 0 26 713 0 29 771 0 33 826 0 36 878 0 39 928 0 43 976 0 47 1023 0 49 1070 0 52 1117 0 55 1500 698 0 28 751 0 32 802 0 36 852 0 4 901 0 44 948 0 48 995 0 51 1041 0 54 1088 0 57 1133 0 6 1600 738 0 32 785 0 36 831 0 41 878 0 45 923 0 49 969 0 53 1014 0 57 1061 0 59 1107 0 62 1151 0 66 1700 773 0 36 816 0 41 859 0 46 903 0 51 947 0 55 991 0 58 1036 0 62 1082 0 65 1128 0 68 1169 0 72 1800 1900 803 831 0 42 0 48 844 872 0 47 0 54 886 915 0 52 0 59 929 957 0 57 0 63 972 1000 0 61 0 67 1016 1043 0 64 0 71 1060 1087 0 68 0 74 1106 1131 0 71 0 78 1150 1173 0 74 0 81 1189 1208 0 79 0 86 Air Volume cfm External Static in w g 1 5 1 6 1 9 2 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 900 1112 0 38 115
17. HACR Circuit Breakers Factory Disconnect Switch 80 T2DISCO80AH1 20W21 OX OX See Electrical Electric Heat Tables 150 T2DISC150AH1 20W22 OX for selection 80 amp T2DISCO80NH1 20W24 OX OX 150 T2DISC150NH1 20W25 Service Outlets LTAGFIK10 15 74M70 OX OX OX OX Phase Voltage Detection 3 Phase Models Only Factory O O O O 1 208 230 1ph not available on belt drive units NOTE Catalog and model numbers shown are for ordering field installed accessories OX Configure To Order Factory Installed or Field Installed O Configure To Order Factory Installed X Field Installed Page 2 OPTIONS ACCESSORIES Model Catalog Unit Item Number Number 036 048 060 072 ELECTRIC HEAT 7 5 kW 208 230V 1ph E1EHOO75AN1P 46W28 OX OX OX 208 230V 3ph E1EHOO75AN1Y 46W31 OX OX OX 460V 3ph E1EHOO75AN1G 46W35 OX OX OX 575V 3ph E1EHOO75AN1J 46W39 OX OX OX 15 kW 208 230V 1ph E1EHO150AN1P 46W29 OX OX OX 208 230V 3ph ETEHO150AN1Y 46W32 OX OX OX OX 460V 3ph ETEH0150AN1G 46W36 OX OX OX 575V 3ph E1EHO150AN1J 46W40 OX OX OX 22 5 kW 208 230V 1ph ETEHO225N1P 46W30 OX 208 230V 3ph ETEHO225N1Y 46W33 OX OX 460V 3ph E1EHO225N1G 46W37 OX OX 575V 3ph ETEHO225N1J 46W41 OX OX 30 kW 208 230V 3ph ETEHO300N 1Y 46W34 OX 460V 3ph ETEHO300N 1G 46W38 OX
18. Page 29 II Placement and Installation Page 39 III Start Up Operation Page 39 IV 0 Page 39 V System Service Checks Page 41 VI Maintenance Page 41 Vil Accessories Page 42 VIII Diagrams 48 2011 Lennox Industries Inc OPTIONS ACCESSORIES Model Catalog Unit Item Number Number 036 048 060 072 COOLING SYSTEM Condensate Drain Trap PVC C1TRAP20AD2 76W26 OX OX OX OX Copper CTTRAP10AD2 76W27 OX OX OX OX Drain Pan Overflow Switch ET1SNSR71AD1 68W88 OX OX OX OX Efficiency Standard Factory High Factory Service valves not for Humiditrol equipped units Factory O BLOWER SUPPLY AIR Motors Direct Drive 0 50 hp Factory Direct Drive 0 75 hp Factory Direct Drive 1 hp Factory Belt Drive 75 hp 2 Speed Factory Belt Drive 1 hp 2 Speed Factory Belt Drive 2 hp 2 Speed Factory Belt Drive 1 hp Standard Efficiency Factory Belt Drive 2 hp Standard Efficiency Factory Q Belt Drive 1 hp High Efficiency Factory Belt Drive 2 hp High Efficiency Factory O Drive Kits Kit A01 TIDRKTOO1 1 673 1010 rom Factory See Blower Data Tables for selection Kit A02 T1DRKT002 1 745 1117 rpm Factory Kit A03 T1DRKT003 1 833 1250 rpm Factory
19. 0 81 1300 1137 0 53 1181 0 56 1221 0 6 1259 0 64 1296 0 68 1330 0 71 1364 0 75 1398 0 78 1432 0 82 1467 0 86 1400 1150 0 57 1191 0 61 1231 0 65 1268 0 69 1303 0 73 1337 0 77 1371 0 8 1404 0 84 1437 0 88 1473 0 91 Page 10 BLOWER DATA BELT DRIVE 3 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc See Page 18 for blower motors and drives and wet coil and options accessory air resistance data HORIZONTAL Air Volume cfm External Static in w g 0 10 0 40 0 50 0 60 0 80 0 9 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 700 445 0 08 516 0 13 670 0 15 753 0 16 820 0 22 918 0 24 969 0 27 1021 0 29 800 463 0 09 534 0 14 685 0 16 766 0 18 830 0 21 0 24 926 0 27 977 0 29 1030 0 32 900 485 0 11 554 0 16 703 0 18 780 0 21 841 0 27 935 0 3 986 0 32 1039 0 35 1000 509 0 13 57
20. 1099 0 89 1134 0 93 1170 0 97 1206 1 01 2300 918 0 62 950 0 68 983 0 74 1017 0 80 1052 0 86 1087 0 92 1122 0 97 1157 1 02 1193 1 06 1228 1 09 2400 941 0 70 974 0 77 1008 0 83 1042 0 90 1077 0 96 1111 1 01 1146 1 06 1181 1 11 1216 1 15 1250 1 19 Air Volume cfm External Static in w g RPM BHP RPM BHP 1 3 RPM BHP 1 4 RPM BHP 1 5 RPM BHP 1 6 RPM BHP 1100 1089 0 43 1134 0 46 1200 1095 0 46 1139 0 50 1186 0 53 1230 0 57 1266 0 60 1300 1104 0 50 1146 0 54 1192 0 57 1234 0 60 1269 0 64 1301 0 68 1334 0 71 1367 0 75 1400 1114 0 55 1155 0 58 1199 0 61 1240 0 65 1275 0 68 1305 0 72 1338 0 76 1372 0 80 1406 0 83 1440 0 87 1500 1125 0 60 1165 0 63 1208 0 66 1248 0 69 1281 0 73 1311 0 77 1344 0 81 1378 0 85 1412 0 89 1446 0 92 1600 1138 0 65 1177 0 68 1218 0 71 1257 0 75 1290 0 79 1319 0 83 1352 0 87 1385 0 91 1418 0 95 1452 0 98 1700 1152 0 70 1190 0 74 1231 0 77 1268 0 80 1299 0 84 1328 0 89 1360
21. 575V 3ph E1EHO300N 1J 46W42 OX ECONOMIZER Economizer With Outdoor Air Hood Sensible Control Economizer With Barometric Relief Dampers and Exhaust Hood Factory Economizer With Power Exhaust Fan and Barometric Relief Dampers with Exhaust Hood Factory Economizer No Exhaust Option Factory Economizer With Barometric Relief Damper with Hood E1ECON30A 1 53W33 x X 1 1 53W36 X X Horizontal Economizer Conversion Kit T1HECKOOAN1 17W45 X X X X Economizer Controls Differential Enthalpy Order 2 CTSNSR64FF1 53W64 OX OX OX OX Sensible Control Sensor is Furnished Factory Single Enthalpy C1SNSR64FF1 53W64 OX OX OX Global Control Sensor Field Provided Factory O OUTDOOR AIR Outdoor Air Dampers Damper Section Manual Includes Outdoor Air Hood E1DAMP11A 1 53W34 OX OX E1DAMP11AT1 53W37 OX OX Damper Section Motorized Includes Outdoor Air Hood E1DAMP21A 1 53W35 OX OX E1DAMP21AT1 53W38 OX OX POWER EXHAUST FAN DOWNFLOW ONLY Standard Static 208 230V 1 or 3ph ETPWRE10A 1P 53W27 OX OX Note Includes Barometric Relief Dampers 460V 3ph E1PWRE10A 1G 53W28 OX and Exhaust Hood when factory 575V 3ph ETPWRE10A 1J 53W29 OX OX installed Order Barometric Reilef 208 230V 1 or 3ph EIPWRE10AT1P 53W30 ox Dampers and Exhaust Hood below 460V 3ph ETPWRE10AT1G 53W31 OX woen naia meraga 575V 3ph ETPW
22. 762 1 16 790 1 2 816 125 842 1 3 867 1 35 890 1 4 913 1 45 2900 698 1 1 726 144 754 1 19 781 1 23 808 1 28 834 133 859 1 38 883 1 43 906 1 48 928 1 54 External Static in w g Air Volume 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 cfm RPM RPM BHP RPM BHP RPM BHP RPM RPM BHP RPM BHP RPM RPM BHP RPM BHP 1900 1042 1 28 1067 1 34 2000 1 149 996 1047 1 34 1071 1 4 2100 1 08 900 1 25 1003 1052 1 41 1075 1 46 2200 2 910 986 1 31 1010 1058 1 48 1081 1 53 2300 920 994 1 38 1018 1065 1 55 1087 1 61 2400 1 25 931 1003 145 1027 1072 1 63 1094 1 69 2500 1 32 942 1013 1 53 1036 1081 1 71 1102 1 78 2600 1 4 955 1024 1 62 1046 1089 1 8 1110 1 87 2700 1 48 967 1035 1 71 1056 1099 1 9 1119 1 96 2800 1 56 980 1046 1 8 1067 1109 2 1129 2 06 2900 1058 1119 2 11 1139 2 17 Page 17 BLOWER DATA BELT DRIVE KIT SPECIFICATIONS 036 060 Model Motor HP No of Drive Kits and RPM Range No Nominal Maximum Speeds 01 02 A03 A05 06 07 036 0 75 0 86 2 low 449 673 high 673 1010 1 1 15 2 low 598 897 high 897 1346 048 0 75 0 86 2 low 497 673 a high 745 1117 2 2 3 2 m low 714 953 high 1071 1429
23. 926 0661 19 988 1 600 279 EZLL 176 LOOL ZELL LZY 9891 9ZLL 686 ZOZL 90 9651 525 ee 01 2601 068 1661 VELL GYZ 8681 ZOLL 099 SOSL ZELL 096 EVOL 90 09 1881 9801 97 660 v90L 662 BCOL SR 60 1611 848 606 091 ZEZ 0961 999 6981 S6OL WHS 689 0901 vv 10281 OPOL 296 COEL LEOL 082 9801 poche ir 80 8GLL 488 SOLZ SCIL 921 661 2601 669 6881 ESOL ZZS 6 0 VLOL 927 696 066 896 SSEL 796 9892 oe 5 20 2611 418 06442 9601 GLZ 4606 6S0L 619 OZ6L SLOL CLS 8421 8 6 Z6S L vv6 066 OOVL t SC Bs CS Ge 90 90LL 608 68 2 6901 VOL 9902 CEOL 669 EVEL 986 867 8 1 OVE 966 LE9L ZOG ZLE 6 vL 798 862 ZvCV 1098 811 296 88 SLL 889 0 780 208 2226 BEOL 069 8600 666 6 6 6 6 676 097 8 8 706 286 199 698 VOE ZL VIB 922 666 YZZ GOL 12601 VEL POL 242 70 670 684 1226 LOOL 79 8 LZ S6 7656 8002 606 667 S98L 98 196 LOZL 108 182 OCSL LOZ ELZ 6661 SLL VSL 780 S79 96 6 8 CO 8101 6ZZ CLE 076 699 0112 666 098 8006 648 vvv 9 8 728 BYE ECLL VOL 426 696481 SOL LOZ 6861
24. Li OOO P304 TO PROVIDE THREE COMPRESSOR 5 REQUIRES HEAT 3 COOLTHERMOSTAT AND K27 RELAY 24 V COMMON PLUG IAQ INTERFACE DESCRIPTION Ser RT6 spp 22 0 FIRE ALARM CONTACT SUPPLIED pz BY OTHERS FOR MOTORS WITH S42 AND S135 EXTERNAL OVERLOAD LESS INVERTER SEE INVERTER WITH BY PASS FOR S42 HOOK UP A A A USE S86 DEHUMIDISTAT AND K55 FOR OPTIONAL SUPERMARKET REHEAT SCHEME M2 PARAMETERS NEED TO BE MODIFIEDJNDER HESETTINGSIENUORVIA UCSOFTWARE FOR SIMULTANEOUS HEATING AND COOLING REMOTE LOCATION OF RT6 P298 8 DO 1 IS SERVICE RELAY OUTPUT 24VAC IF USED CONNECT TO AN INDICATOR LIGHT THERMOSTAT HOOKUP FOR PROGRAMMABLE CONFIGURATION OF THE M2 BOARD A55 M2 SETTINGS MUST BE MODIFIED WHEN A42 542 S52 5135 OR 8149 ARE INSTALLED A42 USED ON 036 THROUGH 72 UNITS ONLY CONNECT A172 SENSOR TO J261 ON SUPPLY AIR SMOKE DETECTOR ONLY A A A DESIGNATES OPTIONAL WIRING CLASS FIELD WIRING 11 09 WIRING DIAGRAM ACCESSORIES ELECTRONIC OR ELECTROMECHANICAL THERMOSTAT FOR ENERGENCE SECTION C 1 OPERATION 2 and energizes the appropriate components for heat or cool demand Page 55 Supersedes New Form No 537108 01 Lennox Commercial A55 Unit Controller located in the main control box supplies thermostat components with 24VAC A55 receives data from the electronic thermostat A2 Y1 Y2 W1 W2 G ECONOMIZER DESCRIPTION CO
25. The Unit Controller provides all unit control functions unit status information unit diagnostics programmable pa rameters and USB verification and profile sharing Refer to the Unit Controller guide provided with the unit Thermostat wires are connected to J297 on the Unit Controller 5 Fan Capacitor C1 three phase belt drive Fan capacitor C1 is used to assist in the start up of condens er fan B4 Ratings will be on the side of capacitor or outdoor fan motor nameplate 6 Compressor Capacitor C5 Compressor capacitor C5 is used to assist in the start up of compressor B1 in single phase units Ratings will be on the side of capacitor or compressor nameplate 7 Compressor Contactor K1 In all LCH units K1 energizes compressor B1 in response to Unit Controller demand Three phase units use three pole double break contactors with a 24 volt coil Single phase units use single pole double break contactors with a 24 volt coil 8 Blower Contactors K3 K37 belt drive K3 and K37 are three pole double break contactors with 24VAC coils On 3 4 and 5 ton units K3 energizes the B3 indoor blower motor on low speed and K37 energizes the blower motor on high speed On 6 ton units K3 energizes the B3 single stage blower motor in response to blower demand 9 Blower Overloads 542 5135 belt drive 42 and 8135 are three phase thermal overload relays See figure 4 or 5 Switches are connected in line with the blower motor to moni
26. 1369 0 99 1399 1 03 1429 1 06 1459 1 1 1490 1 14 1800 1223 0 85 1258 0 9 1291 0 94 1323 0 99 1354 1 03 1385 1 07 1415 1 11 1445 1 15 1476 1 19 1507 1 23 1900 1243 0 94 1277 0 99 1309 1 03 1341 1 08 1372 1 12 1402 146 1433 1 2 1464 1 24 1495 1 28 1527 1 32 13 BLOWER DATA BELT DRIVE 5 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc 1 See Page 18 for blower motors and drives and wet coil and options accessory air resistance data DOWNFLOW Air Volume cfm External Static in w g 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 9 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1100 512 0 15 571 0 19 630 0 23 690 0 26 770 0 26 854 0 26 922 0 27 970 0 30 1006 0 35 1045 0 39 1200 535 0 18 593 0 22 651 0 26 710 0 29 788 0 30 868 0 30 933 0 31 978 0 34 1013 0 38 1053 0 42 1300 559 0 22 616 0 26 674 529 732 0 32 807 0 34
27. 230V 1 Ph 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 25 6 17 6 9 7 4 Locked Rotor Amps 118 135 62 50 Outdoor Fan Full Load Amps 4 1 4 1 24 1 6 Motor Power Exhaust Full Load Amps 2 4 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 15 15 15 Indoor Blower Horsepower 1 1 1 1 Motor Full Load Amps 7 4 7 4 3 7 3 2 Maximum Unit Only 60 50 25 20 Overcurrent With 1 0 33 HP 70 50 25 20 Protection Power Exhaust 3 Minimum Unit Only 44 34 18 14 Circuit With 1 0 33 HP 46 36 19 15 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 480V 600V 2 Maximum Unit 7 5 kW 60 60 50 50 25 20 Overcurrent Electric Heat 15 kW 480 90 450 60 30 25 GE 22 5kW 4125 150 470 80 40 35 3 Minimum Unitt 7 5 kW 44 49 34 34 18 14 Circuit Electric Heat 15 kW 77 88 49 55 28 22 CERS 22 5 kw 111 127 68 77 39 31 2 Maximum Unit 17 5 kW 70 70 50 50 25 20 Overcurrent Electric Heat 15 kW 480 100 60 60 30 25 Protection and 1 0 33 HP 22 5 kW 4125 150 80 80 45 35 Power Exhaust 3 Minimum Unitt 7 5 kW 47 52 36 36 19 15 Circuit Electric Heat 15 kW 80 91 52 58 29 24 and 1 0 98 HE s UN 144 130 71 80 41 33 Power Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W24 20W24 20W24 20W24 20W24 20W24 15 kW 20W25 20W25 20W24 20W24 20W24 20W24 22 5 kW 20W25 20W25 20W24 20W24 20W24 20W24 1 Extremes of operating range are plus and minus 10 of line voltage 2 HACR type breaker or fuse 3 Refer t
28. 40 892 0 44 936 0 47 978 0 51 11016 0 56 1052 0 60 1088 0 64 1126 0 68 1800 814 0 36 851 0 40 888 0 44 925 0 49 963 0 53 1000 0 57 1035 0 62 1071 0 66 1107 0 70 1143 0 74 1900 853 0 41 886 0 46 919 0 50 952 0 55 986 0 60 1021 0 64 1056 0 69 1091 0 73 1126 0 77 1163 0 81 2000 883 0 48 913 0 53 944 0 57 976 0 62 1009 0 67 1043 0 71 1078 0 76 1112 0 80 1148 0 84 1183 0 88 2100 906 0 56 936 0 60 967 0 65 999 0 70 1033 0 75 1067 0 79 1101 0 84 11351 0 88 1170 0 92 1206 0 96 2200 930 0 64 960 0 68 991 0 73 1024 0 78 1058 0 83 1092 0 88 1126 0 92 1160 0 96 1195 1 00 1230 1 04 2300 954 0 72 985 0 77 1017 0 82 1051 0 87 1085 0 92 1119 0 96 1152 1 00 1186 1 04 1220 1 08 1254 1 13 2400 981 0 81 1013 0 86 1046 0 91 1079 0 96 1113 1 00 1146 1 05 1180 1 09 1213 1 13 1245 1 18 1278 1 22 Air Volume cfm External Static in w g 1100 0 45 1176 0 57 1335 1200 0 49 1182 0 61 1339 1410 0 70 1444 0 72 1300 0 53 1190 0 66 1345 1415 0 75 1449 0 78
29. 666 ZOEL Z90L LYE LOLL EZOL 882 9101 1601 SEZ 628 OLLL Z8L 9 aic FAN PEU Ken 60 180 LOS 6 4 9901 cvv B9VL LSOL 686 666 80 2601 78 9691 9101 Lev ECSL OOOL Z9 0101 Z0 OLOL 1889 C99L 966 Lev 975 6 6 09 LEVL 90 46 LOZL Lr6 CU 864 606 166 96VL 90 466 FS 6v4L 668 686 Ov9L 0 8 626 0681 vo 288 79 648 726 1891 068 806 7 4 80 68 9028 808 8SE Lo b 2 6 9191 20 018 8958 697 vS4L 661 226 6v9L LEZ c99 68 8661 LO LOZ 986 8981 OcZ 826 984L 089 092 799 vic 264 89 8vVL 921 0 SHEM YD SHEMI WD eupM WWD SHEM WD 5 WD SHEM WD SHeEM WD SHEM WO SHEM TM ut 96001 9606 9608 9601 09 0S 9609 9606 9602 iin 1 1030W 301 10 JeuJ9 X3 TVINOZIHOH GcclL VSS 9St L ZOCL S6V 886 OBLL ob EGZL Ree o ES EE cel RR TRUE mi mum SUR mous ER SR ae Ree COLL LGG LLSL EZLL 887 VOVL VSLL 809 Z6CL CHILL 29 GELL LELL 60 086 SS misce SS SES VL GOLL 98 SSL 8vVL SLLL VLD CVEL ZSE F8LL E60L 006 900 760 972 028 S60L 661 819 2 2 State aves mm OL 6211 ZEG 809 00 O6VL 8
30. ECM 1 1 3 ECM 1 1 3 ECM Fans Motor rpm 715 810 645 810 930 1100 Total Motor Input watts 112 160 89 165 230 350 Diameter No in 1 24 1 24 1 24 Number of blades 3 3 3 Total air volume cfm 3400 3795 2910 3675 4315 4980 Indoor Net face area total sq ft 7 78 7 78 9 72 Coils Tube diameter in 3 8 3 8 3 8 Number of rows 3 4 4 Fins per inch 14 14 14 Drain connection Number and size in 1 1 NPT 1 1 NPT 1 1 NPT Expansion device type Balance port TXV removable head 2 Indoor Nominal motor HP 0 50 ECM 0 75 ECM 1 ECM Blower Blower wheel nominal diameter x width in 1 10 X 10 1 10 X 10 1 11 X 10 Filters Type of filter disposable Number and size in 4 16 X 20X2 4 20x 20x2 Electrical characteristics 208 230V 60 hz 1 phase 208 230V 460V or 575V 60 hz 3 phase NOTE Net capacity includes evaporator blower motor heat deduction Gross capacity does not include evaporator blower motor heat deduction Certified in accordance with the ULE certification program which is based on AHRI Standard 210 240 95 F outdoor air temperature and 80 F db 67 F wb entering evaporator air minimum external duct static pressure Using total air volume and system static pressure requirements determine from blower performance tables rpm and motor output required Maximum usable output of motors furnished are shown In Canada nominal motor output is also maximum usable motor output If motors
31. EXHAUST FAN CONNECT P18 TO J18 AND P24 TO J24 BEFORE SECURING EXHAUST FAN IN PLACE J18 JACK ON UNDERSIDE OF DIVISION PANEL e J24 JACK ON INSIDE OF LL ECONOMIZER PANEL uem FIGURE 23 L Indoor Air Quality CO2 Sensor A63 The indoor air quality sensor monitors CO levels and re ports the levels to the Unit Controller The Unit Controller ad justs the economizer dampers according to the CO levels The sensor is mounted next to the indoor thermostat or in the return air duct Refer to the indoor air quality sensor installa tion instructions for proper adjustment M Drain Pan Overflow Switch S149 optional The overflow switch is used to interrupt cooling operation when excessive condensate collects in the drain pan The N O overflow switch is controlled by K220 and DL46 relays located in the unit control panel When the overflow switch closes 24VAC power is interrupted and after a five second delay unit compressors are de energized Once the conden sate level drops below the set level the switch will open Af ter a five minute delay the compressor will be energized N SunSource Commercial Energy System 36 072 packaged units are available with optional factory installed components which make them Sun Source Solar Ready These specially equipped units can be matched with solar modules and other optional equip ment so that they can become part of a S
32. Kit A05 T1DRKT005 1 897 1346 rpm Factory Kit A06 TIDRKT006 1 1071 1429 rpm Factory Kit A07 T1DRKT007 1 1212 1548 rpm Factory Kit AA01 TIDRKT001AP1 522 784 rpm Factory Kit AA02 T1DRKT002AP1 632 875 rpm Factory Kit TIDRKT003AP1 798 1105 rpm Factory Blower Belt Auto Tensioner Factory CABINET Coil Guards T1GARD20A 1 17W87 X X T1GARD20N 1 17W88 X X Hail Guards T1GARD10A 1 17W89 X X T1GARD10N 1 17W90 X X Corrosion Protection indoor coil outdoor coil Factory CONTROLS Blower Proving Switch C1SNSR35FF1 53W65 OX OX OX Commercial Controls L Connection Building Automation System Factory X X X X Prodigy M Control System BACnet Module COCTRL60AE1L 59W51 OX OX OX OX Prodigy M Control System LonTalk Module COCTRL65AE1L Factory Novar 2051 EOCTRL30A1 64W72 OX OX OX OX Novar LSM Factory Dirty Filter Switch E1SNSR55AP1 53W66 OX OX OX Fresh Air Tempering C1SNSR75AD1 58W63 OX OX OX Smoke Detector Supply or Return Power board and one sensor C1SNSRA4AP1 53W78 Smoke Detector Supply Return Power board and two sensors C1SNSRA3AP1 53W79 OX ELECTRICAL Voltage 208 230V 1 phase Factory 10 10 LO 60 hz 208 230 3 phase Factory 460 phase Factory 575V 3 phase Factory
33. Minimum Unit 7 5 kW 32 32 35 35 16 18 13 14 Circuit Electric Heat 15kw 48 54 52 58 27 29 22 23 GEES 1 099 225i 68 77 72 81 39 40 31 32 Power Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 15 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 22 5 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 Extremes of operating range are plus and minus 1096 of line voltage HACR type breaker or fuse Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements Factory installed circuit breaker not available Page 25 ELECTRICAL ELECTRIC HEAT DATA 6 TON 6 TON HIGH EFFICIENCY R 410A LCH072H4 Voltage 60hz 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 19 9 7 7 4 Locked Rotor Amps 123 62 50 Outdoor Fan Full Load Amps 24 1 9 1 Motor Power Exhaust Full Load Amps 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 15 15 Indoor Blower Horsepower 1 2 1 2 Motor Full Load Amps 46 7 5 2 1 3 4 1 7 2 7 Maximum Unit Only 25 25 115 20 Overcurrent With 1 0 33 HP 25 25 20 20 Protection Power Exhaust 3 Minimum Unit Only 16 17 12 13 Circuit With 1 0 33 HP 17 19 13 14 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 4
34. N C auto reset switch which opens at 29 F 3 F 1 7 C 1 7 C on a temperature drop and closes at 58 F 4 F 14 4 C 2 2 C on a temperature rise To prevent coil icing freezestats open during com pressor operation to temporarily disable the respective compressor until the coil temperature rises If the freezestats are tripping frequently due to coil icing check the airflow filters economizer position and unit charge before allowing unit back in operation Make sure to eliminate conditions which might promote evap orator ice buildup 3 High Pressure Switch S4 The high pressure switch is a auto reset SPST N C switch which opens on a pressure rise S4 is located in the compressor discharge line and wired to the 55 Unit Controller When discharge pressure rises to 640 10 psig 4412 69 kPa indicating a problem in the system the switch opens and the respective compressor is de energized the economizer can continue to operate The switch au tomatically resets at 475 10 psig 4 Low Ambient Switch S11 The low ambient switch is used to maintain cooling op eration during low ambient temperatures The switch opens to de energize the outdoor fan via A55 while me chanical cooling continues to operate The reduced heat transfer across the outdoor coil results in higher refriger ant temperatures and prevents indoor coil icing The low ambient switch is an auto reset SPST N O pres sure switch and is located
35. SECTION 1 PROCESS TUBE used for charging HEAT SECTION A COMPRESSOR 2 060 072 32 C Blower Compartment LCHO036H 048H and 060H units are equipped with direct drive blowers LCHO36S 0485 and 0605 units equipped with two speed belt drive blowers LCHO72H units are equipped with a single speed belt drive blower See unit nameplate for blower type The blower compart ment in all 036 072 units is located between the evapo rator coil and the compressor compartment 1 Blower Wheels See table 1 for blower wheel type and size TABLE 1 BLOWER WHEELS LCH Unit Size in mm 0365 0485 0605 0355 0485 0608 Belt 036 048H 060H 11 X 10 279 X 254 072H 15 X 9 381 X 229 2 Indoor Blower Motor B3 All direct drive blower motors are electronically commu tated brushless DC motors Belt drive blower motors are single 6 ton or two speed 3 4 5 ton integral motors Low speed is approximately 2 3 of high speed CFM adjust ments on belt drive units are made by adjusting the motor pulley sheave CFM adjustments on direct drive units are made by changing ECTO parameters as shown in the Unit Controller manual provided with each unit Motors are equipped with sealed ball bearings All motor specifications are list
36. SERVICING o Aug amp 55 DEE 24V Vers gt VO VO mc 1283 128264 I J260 5 J265C USED ON TWO SPEED HIGH EFFICIENCY SINGLE SPEED AND M VOLT MOTOR UNITS A K37 AND 135 ARE USED ON TWO SPEED MOTOR UNITS ONLY ONLY UNITS WITH HUMIDITROL OR PHASE DETECTION OPTION 3 A EXTERNAL HUMIDITROL CONTACTS Supersedes New Form No 537178 01 Page 49 24 POWER DESCRIPTION ECONOMIZER BYPASS ACK GFI RECEPTICLE EXHAUST FAN 1268 1 3 AND 1268 2 4 CONNECTEDON UNITS WITHOUT HUMIDITROL PHASE DETECTION OPTIONS MOVE WIRE FROM 240 TO 208 TAP ON T1 OR 743 TRANSFORMER FOR 208 LINE VOLTAGE APPLICATIONS S49 IS PART OF A 5VDC CIRCUIT DENOTES OPTIONAL COMPONENTS LINE VOLTAGE FIELD INSTALLED WIRING DIAGRAM COOLING LCH LGH 0365 0485 0605 072H G J M Y SECTION B Lennox Commercial LCH036 072 G J P M amp Y Voltage Sequence of Operation Power 1 Line voltage from unit disconnect energizes transformer T1 T1 provides 24VAC power to the A55 Unit Control ler A55 provides 24VAC to the unit cooling heating and blower controls Line voltage from unit disconnect provides voltage to compressor crankcase heaters HR1 through discharge line thermostat and compressor contactor K1 A Belt Drive Units Voltage is distributed to blower motor contactors K3 singl
37. SHEM SHEM WD TN ul 99001 06 08 9904 09 9608 0 990 9602 2 1 1030 N 301 10 Ieui9 xd MO14NMOG 08 YBIH 0 nbio 1eo q jo sBun s p ds 1Inej d ILON eouejsisei fuosseooe suondo pue J0J 8 eouejsisei jonp eouejsiseJ seuossoeooe p Auy Z jeziuouooe uoroes 1eeu 1 suondo AIOEL uy Qav SLINA TIY HOJ 39V Id NI 49111 2I V 1109 AXA AINO LINN 3S V8 AONVLSISAY SAGNTONI 483MO 18 NOL JAINA LO3HIG VLVG Page 8 GVA 02 982 40 ese see ees eee ees eee ees wee 9 9 ees ees ees cl 912 1911 4620 6811 766 9806 COLL 778 9 6L HELL 014 EGAL 801 2448 10 8 lt 5 777 1 777 1777 777 1 777 777 777 777 LL 0021 VELL 7926 VILL 086 7012 641 928 6861 9601 869 962 490 698 609 001 197 6861 000 096 GGLL
38. Unite 7 5 kW 30 30 SS 35 15 20 1s 15 Overcurrent Electric Heat 45 kW 450 60 450 60 30 30 25 25 Protection and 1 0 33 HP Power Exhaust 3 Minimum Unite 7 5 kW 27 30 29 32 15 16 12 13 Circuit Electric Heat 45kw 47 53 48 54 27 27 21 22 Ampacity and 1 0 33 HP Power Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5kW 20W21 20W21 20W21 20W21 20W21 20W21 20W21 20W21 15kW 20W21 20W21 20W21 20W21 20W21 20W21 20W21 20W21 Extremes of operating range are plus and minus 10 of line voltage HACR type breaker or fuse 3 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements Factory installed circuit breaker not available Page 21 ELECTRICAL ELECTRIC HEAT DATA 4 TON 4 TON HIGH EFFICIENCY R 410A LCHO48H4 1 Voltage 60hz 208 230V 1 Ph 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 21 2 13 5 6 4 5 Locked Rotor Amps 96 88 41 37 8 Outdoor Fan Full Load Amps 4 1 4 1 24 1 6 Motor Power Exhaust Full Load Amps 2 4 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 15 15 15 Indoor Blower Horsepower 0 75 0 75 0 75 0 75 Motor Full Load Amps 6 1 6 1 3 1 2 4 2 Unit Only 50 40 15 15 Overcurrent With 1 0 33 HP 60 40 20 15 Protection Power Exhaust 3 Minimum Unit Only 37 28 14 11 Circuit With 1 0 33 HP 40 30 15 12 Ampacity Power Exhaust ELECTRIC
39. in the liquid line prior to the in door coil section The switch is wired to the A55 Unit Controller which uses the 511 input to control the out door fan when outdoor temperatures drop below 62 F 511 opens when the liquid pressure drops below 240 10 psig 1655 69 kPa S11 closes when the liquid pres sure rises to 450 10 psig 3102 69 kPa psig The 511 switch will continue to cycle the outdoor fan until the out door temperature rises to 65 F Units Equipped With Direct Drive Blowers When the liquid pressure rises to 450 psig the outdoor fan is energized at extra low RPM This reduces the number of outdoor fan on off cycles and refrigerant pressure fluctua tions The outdoor fan will continue to operate at extra low RPM until the outdoor temperature rises to 65 F 5 Low Pressure Switch S87 The compressor circuit is protected by a low pressure switch located on the suction line Switch opens at 40 psig 5 psig 276 34 kPa and automatically resets at 90 psig 5 psig 621 kPa kPa 6 Crankcase Thermostat S40 Switch opens when discharge line temperature reaches 94 F 5 34 C 3 and closes when temperature falls below 74 F 5 23 C 3 Prevents crankcase heater operation in warm weather Page 31 LCH PLUMBING and S49 FREEZESTAT LOCATION EVAPORATOR COIL CONDENSER COIL CONTROL AND COMPONENTS SECTION EXPANSION VALVE RETURN AIR 3 INDOOR BLOWER SECTION
40. pres sure and RPM readings to determine unit CFM Use Page 19 and Page 20 when installing units with any of the options or accessories listed C Adjusting Unit CFM Direct Drive Blowers The supply CFM can be adjusted by changing Unit Control ler settings see the Unit Controller guide provided with the unit Refer to table 2 Adjustments can also be made by us ing optional software Record any CFM changes on the ECTO Settings label located on the inside of the compres sor access panel D Adjusting Unit CFM Belt Drive Blowers The blower RPM can be adjusted at the motor pulley Loos en Allen screw and turn adjustable pulley clockwise in 1 2 turn increments to increase CFM Turn counterclock wise in 1 2 turn increments to decrease CFM See figure 7 Do not exceed minimum and maximum number of pulley turns as shown in table 3 E Blower Belt Adjustment Belt Drive Maximum life and wear can be obtained from belts only if proper pulley alignment and belt tension are main tained Tension new belts after a 24 48 hour period of op eration This will allow belt to stretch and seat grooves Make sure blower and motor pulley are aligned as shown in figure 8 1 Loosen four bolts securing motor base to mounting frame See figure 7 2 To increase belt tension Slide blower motor downward to tighten the belt This increases the distance between the blower motor and the blower housing 3 To loosen belt tension Slide blower mo
41. see coo eee RES eee eee ome soe ese cl VELL OOLL 8062 COLL 196 918 6 1 128 602 Z60L 169 VEBL 990 295 BVOL lt 7 777 777 777 777 777 777 777 777 777 LL QOL 2800 72962 cell Sv6 0066 S60 e088 6506 Z90b 929 7981 DEE O89 8001 Sry E E 086 SVE sss sos sos 0 OSLL 8 01 9962 ELLL VEE Lecce ZZOL 067 9706 EVOL 699 1681 OLOL ZEG 9021 v26 8 7 166 226 6 lt 77 777 777 777 777 60 1011 VOOL 2662 060 066 750 977 66006 8101 299 1066 76 GIS 7 1 966 97 81 41 668 ELE 14628 7 777 777 777 777 80 801 LSOL 8901 906 7922 6201 097 ZZLZ 486 669 SHEL 76 SOS ZOZL 006 LO EGG 998 760 BEEL 7 777 777 555 777 Z0 ATO 12 02319201 lel Gere 900 ive Beles AUS EE ER tis Were 156213 5988 ets SEIS a Siete wis eee eee eee eae 9901 201 0675 200 7 8 6066 7 6 924 896 LEG 009 VEEL v88 5 7 6 81 868 YZE EL9L S87 672 90vL 86L 560 80 Vel VBL 90 YYOL SOOL 6976 000 898 72606 956 CLZ 6616 706 888 GLOZ 288 897 598 008 656 F9L 7 642 6 vL ZOZ 78 EPLL 299 298 0201 486 8876 VLE
42. start condenser fan B4 B Direct Drive Blowers S11 n o contact close below 62 F A55 through motor control board A169 energizes outdoor fan motor B4 on low speed Second Stage Cooling 8 A55 receives a Y2 and G cooling demand and energizes blower B3 high speed on two speed belt and direct drive blowers On two speed systems 3 4 and 5 ton A55 via motor control board A169 energizes compressor solenoid L34 switching compressor to high speed A Direct Drive Blowers A55 via motor control board A169 energizes outdoor fan motor B3 on high speed Power Exhaust Fan Operation 10 55 receives a position feedback signal from the economizer damper motor and energizes exhaust fan relay K65 with 24VAC at 50 outside air damper open adjustable 11 contact K65 1 amp 2 close energizing exhaust fan motor B 10 Page 50 E1EH 7 5 15 22 5 30 G J MELECTRIC HEAT DESCRIPTION KEY DESCRIPTION PANEL MAIN FUSE ELECTRIC HEAT 2 55 E 5 0 ELEMENT ELECTRIC HEAT 1 P265 PLUG CONTACTOR RELAY P266 PLUG HEATING CONTROL P271 PLUG HEATING SENSORS STG 1 1 SWITCH LIMIT PRIMARY ELECTRIC HEAT SWITCH LIMIT SECONDARY ELECTRIC HEAT 1 5157 SWITCH LIMIT SECONDARY ELECTRIC HEAT 2 TERMINAL STRIP UNIT KEY HE 1 J N 848 OR CB10 MAY BE USED REMOVEJUMPER PLUG WHEN FIELD INSTALLING ELECTRIC HEAT A S20 LIMIT ON A BOX UNITS IS RESETABLE OPTIONAL COMPONE
43. 00 14 23 21 29 2200 16 25 22 30 Model RTD11 95 FD11 95 2600 24 29 19 24 2800 25 30 20 28 3000 27 33 21 29 1 Effective throw based on terminal velocities of 75 ft per minute Page 19 ELECTRICAL ELECTRIC HEAT DATA 3 TON 3 TON HIGH EFFICIENCY R 410A LCHO36H4 1 Voltage 60hz 208 230V 1 Ph 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 16 7 11 2 4 5 Locked Rotor Amps 82 58 29 22 5 Outdoor Fan Full Load Amps 4 1 4 1 2 1 16 Motor Power Exhaust Full Load Amps 2 4 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 15 15 15 Indoor Blower Horsepower 0 5 0 5 0 5 0 5 Motor Full Load Amps 4 3 4 3 2 2 1 7 2 Maximum Unit Only 45 30 15 15 Overcurrent With 1 0 33 HP 45 35 15 15 Protection Power Exhaust 3 Minimum Unit Only 30 23 10 8 Circuit With 1 0 33 HP 32 25 12 9 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 480V 600V 2 Maximum Unit 7 5 kW 45 45 30 30 15 15 Overcurrent Electric Heat 45 kw 480 90 445 60 30 25 Protection 3 Minimum Unit 7 5 kW 40 45 25 28 15 12 Circuit Electric Heat 45 kw 74 84 45 51 26 21 Ampacity 2 Maximum Unite 7 5 kW 445 50 95 95 20 15 Overcurrent Electric Heat 45 kw 480 90 450 60 30 25 Protection and 1 0 33 HP Power Exhaust 3 Minimum Unit 7 5 kW 43 48 28 31 16 13 Circuit Electric Heat 45 kW 77 87 48 54 27 22 Ampacity and 1 0 33 HP Po
44. 060 1 1 15 2 low 555 833 high 833 1250 2 2 3 2 um um um eur sec low 808 1032 high 1212 1548 BELT DRIVE KIT SPECIFICATIONS 072 Model Motor HP No of No Nominal Maximum Speeds AA01 02 03 072 1 1 15 1 522 784 2 2 3 1 632 875 798 1105 FACTORY INSTALLED OPTIONS FIELD INSTALLED ACCESSORY AIR RESISTANCE in w g Air Wet Indoor Coil Humiditrol Filters Volume Dehumidification ipee Economizer cfm 036 048 060 072 Coil Heat MERV 8 MERV 13 036 048 MODELS 800 0 01 0 01 0 00 0 01 0 04 0 04 0 05 1000 0 02 0 02 0 00 0 03 0 04 0 04 0 07 1200 0 03 0 04 0 01 0 06 0 04 0 04 0 07 1400 0 04 0 05 0 02 0 09 0 04 0 04 0 07 1600 0 05 0 06 0 03 0 12 0 04 0 04 0 07 1800 0 06 0 07 0 04 0 15 0 05 0 04 0 07 2000 0 08 0 09 0 04 0 18 0 05 0 05 0 08 060 072 MODELS 1000 0 02 0 00 0 01 0 04 0 03 0 05 1200 0 04 0 00 0 03 0 04 0 03 0 07 1400 0 05 0 01 0 06 0 04 0 04 0 07 1600 0 07 0 02 0 09 0 04 0 04 0 07 1800 0 08 0 02 0 12 0 05 0 05 0 07 2000 0 10 0 03 0 15 0 05 0 05 0 07 2200 0 11 0 04 0 18 0 05 0 05 0 08 2400 0 13 0 04 0 20 0 05 0 05 0 08 2600 0 15 0 05 0 22 0 06 0 05 0 08 2800 0 16 0 05 0 24 0 06 0 05 0 08 3000 0 18 0 06 0 2
45. 1400 0 81 1429 0 84 1400 1144 0 58 1183 0 66 1256 0 7 1290 0 73 1321 0 8 1381 0 84 1410 0 87 1439 0 9 11 BLOWER DATA BELT DRIVE 4 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc 1 See Page 18 for blower motors and drives and wet coil and options accessory air resistance data DOWNFLOW Air Volume cfm External Static in w g 0 10 RPM BHP RPM BHP RPM BHP RPM BHP 0 50 RPM BHP 0 60 RPM BHP 0 70 RPM BHP 0 80 RPM BHP 0 9 RPM BHP 1 0 RPM BHP 900 496 0 13 568 0 16 640 0 18 711 0 2 I 0 22 844 0 25 905 0 28 960 0 3 1010 0 33 1061 0 35 1000 521 0 15 592 0 18 662 0 2 731 0 23 796 0 25 858 0 28 916 0 31 969 0 34 1019 0 36 1069 0 38 1100 548 0 18 618 0 21 686 0 23 752 0 25 814 0 28 873 0 31 929 0 34 980 0 37 1029 0 39 1078 0 42 1200 577 0 21 646 0 24 712 0 26 775 0 29 834 0 31 890 0 35
46. 28 863 0 31 919 0 34 971 0 36 1020 0 39 1070 0 41 1200 560 0 21 625 0 25 689 0 28 755 0 3 820 0 32 879 0 34 932 0 37 983 0 4 1031 0 43 1079 0 45 1300 591 0 24 654 0 28 716 0 31 e 0 33 841 0 35 897 0 38 948 0 41 996 0 44 1044 0 47 1091 0 49 1400 631 0 26 690 0 3 748 0 34 807 0 36 864 0 39 916 0 42 964 0 46 1011 0 49 1058 0 51 1105 0 54 Air Volume cfm External Static in w g 1 2 1 3 1 4 1 5 1 6 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 700 1088 0 31 800 1098 0 34 1144 0 36 1185 0 39 1224 0 42 900 1106 0 37 1152 0 4 1193 0 43 1232 0 46 1269 0 49 1305 0 52 1340 0 55 1376 0 59 1000 1111 0 41 1157 0 43 1199 0 47 1238 0 5 1276 0 53 1311 0 56 1347 0 6 1382 0 63 1417 0 67 1452 0 7 1100 1118 0 44 1163 0 47 1206 0 51 1245 0 54 1282 0 58 1318 0 61 1353 0 65 1388 0 68 1423 0 72 1458 0 75 1200 1127 0 48 1171 0 52 1213 0 55 1252 0 59 1289 0 62 1324 0 66 1358 0 7 1393 0 73 1428 OTT 1463
47. 291 0 91 1324 0 95 1356 0 99 1388 1 03 1420 1 08 1453 1 12 1487 1 16 1523 1 21 1900 1240 0 91 1273 0 95 1306 0 99 1338 1 03 1369 1 07 1401 1 12 1433 1 16 1467 1501 1 25 1537 1 29 12 BLOWER DATA BELT DRIVE 4 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc See Page 18 for blower motors and drives and wet coil and options accessory air resistance data HORIZONTAL External Static in w g Volume 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 9 1 0 cfm RPM BHP RPM BHP 900 0 14 637 0 24 894 993 0 33 1046 0 35 1000 0 17 660 027 907 1004 0 36 1056 0 38 1100 0 19 686 0 3 921 1017 0 39 1067 0 42 1200 022 714 0 34 938 1032 0 43 1081 0 46 1300 0 25 747 0 38 956 1048 0 48 1096 0 5 1400 027 782 0 43 975 1066 0 52 1112 0 55 1500 0 31 814 0 48 996 1086 0 58 1130 0 61 1600 0 35 844 0 53 1018 1107 0 63 1149 0 67 1700 0 4 871 0 59 1042 1129 0 69
48. 4 1054 1 6 2400 846 1 25 870 895 1 33 920 947 1 41 972 1 45 996 1018 1 55 1039 1059 2500 856 1 31 880 1 35 905 158 930 956 1 47 980 1 52 1003 1 57 1024 1 63 1044 1 69 1064 2600 866 1 38 891 1 42 915 1 46 940 965 1 54 988 1 59 1010 1 65 1031 1 71 1050 1 78 1069 1 84 2700 878 1 44 902 1 48 926 1 52 950 974 1 61 997 1 67 1018 1 73 1037 1056 1 87 1075 1 93 2800 889 1 51 913 1 55 937 1 59 961 1 64 984 1 69 1006 1 75 1026 1 82 1044 1 89 1063 1 96 1081 2 03 2900 902 1 58 925 1 63 949 1 67 972 1272 994 Page 16 1 78 1015 1 84 1034 1 91 1052 1 99 1069 2 06 1087 2 13 BLOWER DATA BELT DRIVE 6 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FORALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc See Page 18 for blower motors and drives and wet coil and options accessory air resistance data
49. 4701 AX51 13 0101 02 1VP40x7 8 79J0301 100788 03 53 8 4951 03 1VP40x7 8 79J0301 AK59 x 1 31K6801 50 100245 29 04 1VP44x7 8 P 8 1488 AK59 x 1 31K6801 AX51 13 0101 A01T2 1VP34x7 8 31K6901 AK54 x 1 100244 19 A41 100245 18 A02T2 1VP34x7 8 31K6901 AK49 x 1 100244 18 A40 100245 17 A03T2 1VP34x7 8 31K6901 AK44 x 1 100244 16 40 100245 17 05 2 1VP34x7 8 31K6901 AK41 x 1 100244 15 A41 100245 18 A06T 1VP44x7 8 P 8 1488 AK51 x 1 18L2201 A41 100245 18 A07T2 1VP50x7 8 P 8 2187 AK54 x 1 100244 19 73K8201 AA01T2 1VP34x7 8 31K6901 AK69 x 1 37L4701 100245 29 AA02T2 1VP40x7 8 79J0301 BK80H 100788 03 100245 30 AA03T2 1VP40x7 8 79J0301 AK59 x 1 31K6801 A49 100245 32 AAO4T2 1VP44x7 8 59 x 1 31K6801 A50 100245 29 NOTES 1 Requires split taper bushing Browning no H1 OEM no 100073 04 2 Includes tension assembly Fenner no FS0590 OEM no 101994 02 Page 36 D ELECTRIC HEAT COMPONENTS 1 Contactors K15 K16 Electric heat match ups are found in the ELECTRICAL DATA tables See table of contents All electric heat sections consist of electric heating ele ments exposed directly to the air stream See figure 12 See figure 13 for vestibule parts arrangement All contactors are double break and either single double or three pole see diagram and equipped with a 24VAC coil The coils in the K15 and K16 contactors are energized by the indoor thermostat In all units K15 energizes the heating e
50. 6 LZZ 902 BOLL 299 6 LZOL 096 2241 v 0L 88v 61 91 666 07 807 996 086 000 TAR SES a 20 28 8122 VILL 09 7606 9 01 979 2 6 960 HHS 6081 966 cvv 9v9L 266 HSE 10891 806 692 SZL 227224 90 1611 998 Spec 060 69 0016 6901 CEO VEEL 6001 605 7656 Sev 6 9 116 666 687 998 EGZ 1681 ZBL ZZOL 162 LoL 281 0 ZOLL 298 9226 790 16 2010 1001 119 2006 4 6 9 9 698 066 HLH LOLL 6 8 7226 SISL 008 OVC 666 221 GLL 7201 vel LLL 818 70 9201 78 VLES 8201 612 L8LZ 086 66 8900 VEE 567 1681 888 966 VELL 168 LLE LSGL 722 ZZZ 2961 GLZ VOL SZLL 289 LOL 88 9801 568 9 Z 8001 80 0020 656 184 6900 606 8 606 698 786 SS L 66 660 085 ZZ vic 699 VSL 99LL 219 96 926 20 6201 268 29 c 7 6 69 8446 L9G 9802 0 8 9 1661 VIB 896 88ZL SS 882 609 869 600 O VL 6 9 LLZL S8 66 LO POOL OL8 EGEZ 76 7 9 6026 068 6698 6016 4868 Svv 096 VBL 186 0181 GLZ LZZ 6691 979 16 89 S9S VEL 766 58 ZL 9VOL 0 5 WD SDBeM SHEM Su WD SHEM UJ SHEM WD
51. 60V and 575V units Alternately 110V power supply may be used to directly power the UVC ballast s NOTE Catalog and model numbers shown are for ordering field installed accessories OX Configure To Order Factory Installed or Field Installed O Configure To Order Factory Installed X Field Installed Page A SPECIFICATIONS DIRECT DRIVE General Data Nominal Tonnage 3 Ton 4 Ton 5 Ton Model Number LCHO036H4E LCH048H4E LCHO60H4E Efficiency Type High High High Blower Type Multi Speed Multi Speed Multi Speed Direct Drive Direct Drive Direct Drive Cooling Gross Cooling Capacity Btuh 35 800 50 100 61 600 Performance 1 Net Cooling Capacity Btuh 35 200 49 000 60 000 AHRI Rated Air Flow cfm 1200 1600 1750 Total Unit Power kW 2 8 3 8 4 7 2 SEER Btuh Watt 17 0 17 0 17 0 1 EER Btuh Watt 12 5 12 8 12 7 Refrigerant Type R 410A R 410A R 410A Refrigerant Charge Furnished 9 Ibs 1 oz 11 Ibs 5 oz 15 Ibs 8 oz Refrigerant Charge Furnished with 9 Ibs 12 oz 12 Ibs 7 oz 17 Ibs 8 oz Humiditrol Option Electric Heat Available See Page 20 Page 26 7 5 and 15 kW 7 5 and 15 kW 7 5 15 and 22 5 kW Compressor Type number Scroll 1 Scroll 1 Scroll 1 Outdoor Coils Net face area total sq ft 15 60 15 60 19 30 Tube diameter in 3 8 3 8 3 8 Number of rows 1 5 2 2 Fins per inch 20 20 20 Outdoor Coil Motor No horsepower 1 1 3
52. 7 0 4 1198 0 43 1236 0 46 1273 0 49 1309 0 52 1344 0 56 1380 0 59 1000 1119 0 41 1164 0 44 1206 0 47 1244 0 5 1281 0 54 1317 0 57 1352 0 6 1387 0 64 1422 0 67 1458 0 71 1100 1126 0 45 1171 0 48 1213 0 51 1252 0 55 1288 0 58 1324 0 62 1359 0 65 1394 0 69 1429 0 72 1464 0 76 1200 1136 0 49 1180 0 52 1221 0 56 1259 0 6 1296 0 63 1331 0 67 1365 0 7 1400 0 74 1435 0 78 1471 0 81 1300 1148 0 53 1190 0 57 1230 0 61 1268 0 65 1304 0 68 1338 0 72 1372 0 76 1406 0 79 1440 0 83 1476 0 87 1400 1161 0 58 1202 0 62 1240 0 66 1277 0 7 1312 0 74 1346 0 78 1379 0 81 1412 0 85 1446 0 89 1482 0 92 1500 1600 1175 1190 0 64 0 7 1214 1228 0 68 0 74 1252 1264 0 72 0 78 1287 1298 0 76 0 82 1321 1332 0 8 0 86 1355 1364 0 83 0 9 1387 1397 0 87 0 93 1420 1430 0 91 0 97 1454 1464 0 95 1 01 1490 1499 0 99 1 06 1700 1206 0 76 1242 0 8 1277 0 84 1310 0 88 1343 0 92 1375 0 96 1407 1440 1 04 1475 1 09 1510 1 13 1800 1223 0 83 1257 0 87 1
53. 779 PPL 066 98 606 20 66 89 OEEZ 296 OVO 68 6 668 ECS 87006 268 727 606 087 066 1841 ZZZ 9 9881 799 261 9101 969 ZEL 2611 628 c8 0 6 LO 696 994 0760 706 6 9 266 978 087 vOc 008 OOV 0 6 YGZ BLE 9 1 889 kS 1191 169 881 SvvL 968 Leb 69 8Z cOL 0 SHEM WD SHEM YD SHEM SHeEM WD SHEM SHEM WD SHEM SHEM WD SHEM WD ut 99001 06 08 9601 09 0S 0 990 9602 Gre nbiol 1030 N 2301 10 Ieui9 xd IWLNOZIMOH 800 ET EH 220 EE ma SH MEE SE KE Pasco pic res 2005 YZZ 988 lt 006 1401 662 9681 6661 VOL 88 1 LOZL 609 2691 VIS 92vV ch E 5 RE E Tm aic VL vyScL 688 87020 720 6 0021 669 VESL BOLL 668 6 79 SELL 006 SISL SILL OL 8681 660 OZE 1801 Pe i Ds 01 0621 688 7606 SELL 882 1861 8911 489 0881 SELL 786 YLZL SOLL 287 879 6 01 966 ZEEL 9v0L 906 9ZLL mem SS Sieg SC eem 60 POZL 988 6612 LZLL 187 4206 SELL 979 0161 VOLL HLS Sh L 0 0 ELV 084 SEOL 686 ZEL 9001 7660 P9LL mica Dae 80 F LL 648 8810
54. 793 1 22 818 1 28 842 1 33 2700 607 0 84 637 0 91 667 0 97 697 1 04 726 1 11 753 12117 780 1 23 806 1 29 830 1 35 854 2800 626 0 91 655 0 97 684 1 04 713 1 11 741 1 18 768 1 24 794 1 3 819 1 36 842 1 42 866 1 47 2900 646 0 98 674 1 05 702 1 11 730 1 18 757 1 25 783 1 32 808 1 38 832 1 44 855 1 49 878 1 54 Air Volume cfm 1900 External Static in w g 1 2 1 4 1 5 1 6 2 0 RPM 807 BHP RPM 832 BHP 1 04 RPM 857 BHP 1 07 RPM 883 BHP 1 11 RPM 912 1 14 RPM 941 BHP 1 17 RPM 968 BHP 1 21 RPM 993 BHP 1 25 RPM 1017 BHP 1 29 RPM 1039 BHP 2000 813 1 04 838 862 1 12 889 917 1 19 945 1 22 972 1 26 997 1 3 1020 1 35 1042 2100 820 1 09 844 869 1 17 895 923 951 1 28 1001 1 36 1024 1 41 1046 1 46 2200 828 1 14 852 877 1 22 903 930 957 1 33 983 1 37 1006 1 42 1028 1 47 1050 1 53 2300 836 1 2 861 885 1 28 911 938 1 35 964 1 39 989 1 43 1012 1 48 1033 1 5
55. 8 0 19 722 0 21 796 0 23 0 29 947 0 33 997 0 35 1048 0 38 1100 537 0 16 605 0 21 744 0 24 813 0 26 868 0 33 959 0 36 1008 0 39 1059 0 41 1200 567 0 19 633 0 24 768 0 27 833 0 3 884 0 37 974 0 4 1022 0 43 1071 0 45 1300 599 0 22 664 0 28 793 0 3 853 0 33 902 0 41 990 0 44 1037 0 47 1085 0 5 1400 634 0 26 697 0 31 819 0 34 875 0 38 921 854 0 26 0 46 1008 0 49 1054 0 52 1100 0 54 Air Volume cfm External Static in w g 1 4 1 5 1 6 RPM BHP RPM RPM 700 1071 0 32 800 1082 0 34 1128 0 4 1205 642 900 1090 0 37 1137 0 43 1214 0 46 1248 0 49 1280 0 54 1340 0 57 1000 1098 0 41 1143 0 47 1221 0 5 1255 0 53 1287 0 59 1347 0 61 1377 0 64 1406 0 67 1100 1107 0 44 1150 0 51 1228 0 54 1263 0 57 1295 0 63 1355 0 66 1384 0 69 1413 0 72 1200 1117 0 48 1160 0 55 1237 0 59 1271 0 62 1303 0 69 1363 0 72 1392 0 75 1420 0 78 1300 1130 0 53 1171 0 6 1246 0 64 1280 0 68 1312 0 74 1372 0 78
56. 8 0 06 0 05 0 08 POWER EXHAUST FAN PERFORMANCE Return oo SR Air Volume Exhausted Return Static Air Volume Exhausted in w g cfm in w g cfm 036 048 MODELS 060 072 MODELS 0 00 2000 0 00 So 0 05 1990 0 05 2955 0 10 1924 0 10 2685 0 15 1810 0 15 2410 0 20 1664 0 20 2165 0 25 1507 0 25 1920 0 30 1350 0 30 1420 0 35 1210 0 35 1200 Page 18 BLOWER DATA CEILING DIFFUSERS AIR RESISTANCE in w g vee RTD9 65 Step Down Diffuser FD9 65 RTD11 95 Step Down Diffuser FD11 95 2 Ends 1 Side amp All Ends amp Flush 2Ends 1 Side amp Ends 8 Flush Open 2Ends Open Sides Open Diffuser Open 2 Ends Open Sides Open Diffuser 800 0 15 0 13 0 11 0 11 1000 0 19 0 16 0 14 0 14 1200 0 25 0 20 75117 0 17 1400 0 33 0 26 0 20 0 20 1600 0 43 0 32 0 20 0 24 1800 0 56 0 40 0 30 0 30 0 13 0 11 0 09 0 09 2000 0 73 0 50 0 36 0 36 0 15 0 13 0 11 0 10 2200 0 95 0 63 0 44 0 44 0 18 0 15 0 12 0 12 2400 0 21 0 18 0 15 0 14 2600 0 24 0 21 0 18 0 17 2800 0 27 0 24 0 21 0 20 3000 0 32 0 29 0 25 0 25 CEILING DIFFUSER AIR THROW DATA Air Volume cfm 1 Effective Throw ft Model No RTD9 65 FD9 65 800 10 17 14 18 1000 10 17 15 20 1200 11 18 16 22 1400 12 19 17 24 1600 12 20 18 25 1800 13 21 20 28 20
57. 801 907 LZEL 790 OVE 06461 GEOL 982 880 ZEOL vec L88 PEOL 681 729 HOUR SE SE SESCH SES 60 880 28 ZOOL 09 EEGL 666 LZOL VEE 9 6 566 6 6 YELL S86 1244 YEG 926 vel SE URS ER 80 OSOL SIG 069 920 7 77 9 4 COOL 67 4 6 LZE OZEL 6v6 v9c O8LL 666 tle 986 916 891 261 SES EES es Z0 vcOL SOS 8 266 Zev 709 126 696 067 776 216 LSEL 116 99 788 YOZ 6601 288 SL 998 mum C SE neue 52 90 L86 68v 66 Z96 L t ZV9L 666 v SL 968 862 96 L 798 eve 246 668 76 9ZOL OL8 GUL 468 844 GOL 99 99 90 96 LV 7827 066 979 688 cve 7965 248 987 verl 818 666 COEL 1812 28 O LL 991 GEL 996 26 LEZ 8 9 09 GOS 70 046 8181 88 966 8OZL 978 8ce LOOL 618 vlc 89 6 Occ VEEL 061 211 8111 L89 vel 9101 L99 06 64 029 96 OLS 80 6 8 678 OVE 08 208 816 8691 294 682 606 ZZZ 4060 086 089 LOL 8101 269 9 960 6S 8 L98 099 09 Sv9 20 ac Lev 1481 408 996 cZZL GOL 106 299 vel 8vc 6 SL 789 S6L LLVL 929 OSL v9cL 699 YOL LLL ZZS vl 616 6 7 024 LO 608 viv vO6L 0 GSE 66ZL cEZ 062 669 89 962 1768 PC CHL 6vvi 189 628 86 2811 89v 89 696 207 86 48 0 SHEM W9
58. 80V 480V 600V 600V 2 Maximum Unitt 7 5 kW 45 45 50 50 25 25 15 20 Overcurrent Electric Heat 15 kW 445 60 450 60 30 30 25 25 SEN 225kW 470 80 470 80 40 40 30 35 30 kW 490 100 490 100 50 50 40 40 3 Minimum Unit 7 5 kW 31 31 34 34 16 17 12 13 Circuit Electric Heat ve 45 51 49 55 26 27 21 22 22 5kW 65 74 69 78 37 39 30 31 30 kW 84 96 88 100 48 50 39 40 Maximum Unitt 7 5 kW 50 50 50 50 25 25 20 20 Overcurrent Electric Heat 15 kW 450 60 60 60 30 30 25 25 Protection 1 0 33HP soskw 470 80 480 90 40 40 35 35 Power Exhaust 30 kW 490 100 4100 110 50 60 40 45 3 Minimum Unit 7 5 kW 34 34 37 37 17 19 13 14 Circuit Electric Heat 45kW 48 54 52 58 27 29 22 23 1 0 33 68 77 72 81 39 40 31 32 Power Exhaust 30 kW 87 99 91 103 50 51 40 41 ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 15 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 22 5 kW 20W24 20W24 20W24 20W24 20W24 20W24 20W24 20W24 30 kW 20W25 20W25 20W25 20W24 20W24 20W24 20W24 20W24 1 Extremes of operating range are plus and minus 10 of line voltage 2 HACR type breaker or fuse 3 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements Factory installed circuit breaker not available Page 26 ELECTRIC HEAT CAPACITIES
59. CITOR COMPRESSOR HARD START CIRCUIT BREAKER R1 A169 55 59 SCH N pn A 269 gt J269 4 bb VO 2 gt l B4 SIGNALS 12 Y Yr N P299 2 s eno pay COMMON A 24V COMMON EQUIPMENT GROUND P VOLTAGE APPLICATION H C5 120 60 1 N PLUG TRANFORMERS GROUND PLUG HUMIDITROL P 120 V FIELD PROVIDED EE ee AS S40 n DENOTES OPTIONAL COMPONENTS AN USED ON G J AND Y VOLTAGE APPLICATIOI LINE VOLTAGE FIELD INSTALLED A T4 USED ONLY ON G AND VOLTAGE UNITS WIRING DIAGRAM AN EE A CONNECT TO L2 ON SINGLE PHASE Geng TRANSFORMER REHEAT ONLYIN UNITSWITH HUMIDITROLOR PHASE MOVEWIRE FROM240 208 TAP ON T1 OR DETECTION OPTION T43 TRANSFORMER OR 208 LINE VOLTAGE APPLICTIONS T E reel seme peras DETECTION OPTIONS A S49 IS PART OF A 5VDC CIRCUIT Supersedes New Form No perc TEE aal C Lennox Commercial Page 48 A P268 24V COMMON EQUIPMENT GROUND NOTE USE COPPER CONDUCTORS ON 120 V FIELD PROVIDED POWER SUPPLY IS REQUIRED 120 60 1 N CB10 USED INSTEAD OF S48 LCH036 072 BELT DRIVE G J M Y VOLTAGE UNIT DIAGRAM J268 NOTE IF ANY WIRE IN THIS APPLIANCE IS REPLACED IT MUST BE REPLACED WITH WIRE OF LIKE SIZE RATING TERMINATION AND INSULATION THICKNESS WARNING ELECTRIC SHOCK HAZARD CAN CAUSE INJURY OR DEATH UNIT MUST BE GROUNDED IN ACCORDANCE WITH NATIONAL AND LOCAL CODES DISCONNECT ALL POWER BEFORE
60. HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 480V 600V Maximum Unit 7 5 kW 50 50 440 40 20 15 Overcurrent Electric Heat 45 kw 480 90 450 60 30 25 Protection 3 Minimum Unit 7 5 kW 42 47 28 31 16 13 Circuit Electric Heat 45 kW 76 86 47 53 27 22 Ampacity Maximum Unit 7 5 kW 60 60 40 40 20 15 Overcurrent Electric Heat 45 kW 480 90 450 60 30 25 Protection and 1 0 33 HP Power Exhaust 3 Minimum Unit 7 5 kW 45 50 31 34 17 14 Circuit Electric Heat 45 kW 79 89 50 56 29 23 Ampacity and 1 0 33 HP Power Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W21 20W21 20W21 20W21 20W21 20W21 15 kW 20W22 20W22 20W21 20W21 20W21 20W21 1 Extremes of operating range plus and minus 10 of line voltage 2 HACR type breaker or fuse 3 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements 4 Factory installed circuit breaker not available Page 22 ELECTRICAL ELECTRIC HEAT DATA 4 TON 4 TON STANDARD EFFICIENCY R 410A 0 4854 1 Voltage 60hz 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 13 5 6 4 5 Locked Rotor Amps 88 41 37 8 Outdoor Fan Full Load Amps 1 7 11 4 0 7 Motor Power Exhaust Full Load Amps 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 ls 15 Indoor Blower Horsepower 0 75 2 0 75 2 0 75 2 Motor Full Load Amps 3 5 7 5 1 6 3 4 1 3 2 7
61. MPONENT SENSOR SOLID STATE ENTHALPY CONTROL ERS CONTROL MAIN PANEL LENNOX SENSOR ENTHALPY INDOOR CONTROL REMOTE MIN POS OPT MOTOR DAMPER ECONOMIZER MOTOR EXHAUST DAMPER UNIT ECONOMIZER 104 JACK SENSOR OUTDOOR ENTHALPY 105 JACK SENSOR RETURN AIR ENTHALP JACK ENTHALPY DAMPER MOTOR JACK ENTHALPY SENSOR JACK IAQ INTERFACE JACK DAMPER MOTOR JACK ENTHALPY SENSORS PLUG ECONOMIZER BYPASS PLUG ENTHALPY DAMPER MOTOR PLUG ENTHALPY SENSOR PLUG ECONOMIZER OUTPUT THERMOSTAT DESICANT DEFROST 5174 _ SWITCH EXHAUST DAMPER NF24 SR AF24 SR B43 gt gt gt gt gt wo NIN IQ 93123141 x M ove lt RANGE 2 10 VDC RANGE 2 10 VDC DELETE A7 AND A62 IF USED FOR NOTE THIS DIAGRAM USED ONLY EITHER GLOBAL ENTHALPY OR WHEN ECONOMIZER OR MOTORIZED SENSIBLE TEMPERATURE CONTROL OUTDOOR AIR DAMPERS ARE FOR UNIT DIFFERENTIAL ENTHALPY INSTALLED CONTROL ADD A62 RETURN AIR ENTHALPY SENSOR g DESIGNATES OPTIONAL WIRING CLASS I FIELD WIRING OPTIONAL EXHAUST DAMPER ACTUATOR ENERGY RECOVERY WHEEL HOOKUP TO HOLD EXHAUST DAMPER CLOSED WHEN OUTSIDE AIR DAMPER IS CLOSED WIRING DIAGRAM 09 09 8118 USED ON 35 50 TON ENERGENCE UNITS WITH ENERGY RECOVERY WHEEL ERW ACCESSORIES REPOSITION A7 ENTHALPY SENSOR FROM ENERGENCE SERIES ECONOMIZER AND MOTORIZED OAD ROOFTOP UNIT ECONOMIZER INTO INTAKE PIVOTING WHEEL ENERGY RECOVERY SYSTEM OPTION HOOD OF THE ERW
62. NTS WIRING DIAGRAM HEATING ELECTRIC HEAT FOR ENERGENCE E1EH 7 5 15 22 5 30 G J M SECTION A Supersedes New Form No 537180 01 Lennox Commercial Page 51 E1EH 7 5 15 22 5 30 Y ELECTRIC HEAT 55 24 DESCRIPTION 810 DESCRIPTION PANEL MAIN FUSE ELECTRIC HEAT FUSE UNIT 10 NC 510 A 3 4 ELEMENT ELECTRIC HEAT 2 ELEMENT ELECTRIC HEAT 3 9 JACK ELECTRIC HEAT 2 JACK RELAY 2 2 51 Key ua 3 12 24 266 55 E 2 E 65C 65 2 F H H H J J 1266 HEATING CONTROL STG 1 J21AB _ JACK HEATING SENSORS STG 1 Ki5 1 ELECTRIC HEAT 1 PLUG CONTACTOR RELAY P266 PLUG HEATING CONTROL us rparrPRIMARY ELECTRICHEAT 036 048 4 L1 rs rs Le L3 N TB2 548 OR CB10 MAY BE USED REMOVE JUMPER PLUG WHEN FIELD INSTALLING ELECTRIC HEAT 20 AND S157 LIMIT ON A BOX UNITS IS RESETABLE DENOTES OPTIONAL COMPONENTS WIRING DIAGRAM HEATING ELECTRIC HEAT FOR ENERGENCE E1EH 7 5 15 22 5 30 Y SECTION A Supersedes New Form 537182 01 Lennox Commercial Page 52 E1EH 7 5 15 22 5 P ELECTRIC HEAT DESCRIPTION KEY 55 E 1 4 5 I F H F F N a n Ki 2 d m alu A 2 s m a 3 4 P2 P7 21700170
63. R52AE1L 87N53 X X X X Sensor Black plastic case with LCD display rated for plenum mounting COSNSR51AE1L 87N52 X X X X Sensor Wall mount black plastic case no display rated for plenum mounting COMISC19AE1 87N54 X X X X CO Sensor Duct Mounting Kit for downflow applications COMISC19AE1 85143 X X X X Aspiration Box for duct mounting non plenum rated CO sensors COMISC16AE1 90 43 X X X X 87N53 or 77N39 UVC Germicidal Lamps 1 Healthy Climate UVC Light Kit 208 230v 1ph C1UVCL10AN1 50W90 OX OX OX OX ROOF CURBS DOWNFLOW Clip Curb 8 in height T1CURB23AN1 16W93 X X X X 14 in height T1CURB20AN1 16W94 X X X X 18 in height T1CURB21AN1 16W95 X X X X 24 in height T1CURB22AN1 16W96 X X X X Hinged 8 in height T1CURB30AN1 17W46 X X X X 18 in height T1CURB32AN1 17W47 X X X X 24 in height T1CURB33AN1 17W48 X X X X Standard 14 in height T1CURB10AN1 13W27 X X X X Adjustable Pitched Curb 14 in height C1CURBS55AT1 43W27 X X X X Transition Curb Matches Energence 036 072 Units to existing L Series Curbs E1CURB60A 1 20W06 X X X X CEILING DIFFUSERS Step Down Order one RTD9 65 R 270687 X X X RTD11 95 29G04 X Canada Only RTD11 95S 13 61 X Flush Order one FD9 65 R 27686 X X X FD11 95 29G08 X Canada Only FD11 958 13 56 X Transitions Supply and Return Order one T1TRAN10AN1 17W53 X X X TITRAN20N 1 17W54 X Lamps operate on 110 230V single phase power supply Step down transformer may be ordered separately for 4
64. RE10AT1J 53W32 OX 1 BAROMETRIC RELIEF Barometric Relief Dampers with Exhaust C1DAMP50A 1 74W38 X X Hood C1DAMP50AT1 74W39 X X HUMIDITROL CONDENSER REHEAT OPTION Humiditrol Factory Humidity Sensor Kit Remote mounted required COSNSR31AE 1 17M50 X X X X 1 Required when Economizer is factory installed no exhaust option with field installed Power Exhaust Fan option NOTE Catalog and model numbers shown are for ordering field installed accessories OX Configure To Order Factory Installed or Field Installed O Configure To Order Factory Installed X Field Installed Page 3 OPTIONS ACCESSORIES T Model Catalog Unit Number Number 036 048 060 072 INDOOR AIR QUALITY Air Filters Healthy Climate High Efficiency Air Filters MERV 8 16 x 20 x 2 C1FLTR15A 1 54W20 OX OX Order 4 per unit MERV 13 16 x 20x2 TTFLTRAOA 1 520 37 OX OX 8 20 x 20 x 2 C1FLTR15D 1 54W21 OX OX 13 20 x 20 x2 C1FLTR40D 1 52W39 OX OX Replaceable Media Filter With Metal Mesh 16 x 20 x 2 Order 4 K1FLTR30A 1 39W09 A X Frame includes non pleated filter media 20 x 20 x 2 Order 4 KIFLTR30A 2 44 60 X X Indoor Air Quality CO Sensors Sensor Wall mount off white plastic cover with LCD display COSNSR50AE1L 77N39 X X X X Sensor Wall mount off white plastic cover no display COSNS
65. ROOFTOP UNIT SECTION D REMOVE JUMPER WHEN INSTALLING Supersedes New Form No OPTIONAL LOW AMBIENT SWITCH 537189 01 Lennox Commercial SEQUENCE OF OPERATION POWER 1 55 Unit Controller energizes the economizer components with 24VAC OPERATION Sensor s a global input or a communication signal communicates to A55 when to power the damper motor B7 A55 supplies B7 with 0 10 VDC to control the positioning of economizer The damper actuator provides 2 to 10 VDC position feedback Page 56
66. VLSISAY SAGNTIONI 318V1 YAMO1E NOL S J3AIHG 19344 VLVG 48H3MO 18 Page 9 BLOWER DATA BELT DRIVE 3 TON BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE FOR ALL UNITS ADD 1 Any factory installed options air resistance heat section economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc 1 See Page 18 for blower motors and drives and wet coil and options accessory air resistance data DOWNFLOW Air Volume cfm External Static in w g 0 10 0 20 0 30 0 50 0 60 0 80 0 9 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 700 447 0 09 517 0 12 589 0 15 663 0 17 739 ON 815 0 2 883 0 23 938 0 25 988 0 27 1039 0 29 800 465 0 1 534 0 14 605 0 17 678 0 19 753 0 21 825 0 23 890 0 25 946 0 27 996 0 3 1047 0 32 900 486 0 12 554 0 16 623 02 695 0 22 767 0 23 836 0 25 897 0 28 953 0 3 1004 0 33 1055 0 35 1000 508 0 15 576 0 19 643 0 22 713 0 24 783 0 26 848 0 28 907 0 3 961 0 33 1011 0 36 1062 0 38 1100 533 0 18 599 0 22 665 0 25 733 0 27 800 0
67. ata DOWNFLOW Air Volume cfm External Static in w g 0 10 0 20 0 30 0 50 0 60 0 70 0 80 0 9 1 0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1900 480 0 38 512 0 44 545 0 51 579 0 57 614 0 63 648 0 7 683 0 76 719 0 83 752 0 89 781 0 95 2000 493 0 43 525 0 49 558 0 56 592 0 62 626 0 68 659 0 75 693 0 81 728 0 88 759 0 94 788 2100 507 0 48 539 0 54 572 0 61 605 0 67 639 0 74 671 0 8 704 0 86 737 0 93 768 0 99 795 1 04 2200 522 0 53 554 0 6 587 0 66 619 0 73 652 0 79 684 0 86 716 0 92 747 0 98 777 1 04 803 1 1 2300 537 0 59 569 0 65 602 0 72 634 0 79 666 0 85 697 0 91 728 0 98 758 1 04 786 812 1 15 2400 553 0 65 585 0 71 617 0 78 649 0 85 680 0 91 711 0 98 740 1 04 769 796 1 15 821 1 21 2500 570 0 71 602 0 78 633 0 84 665 orgii 695 0 97 725 1 04 753 781 1 16 807 1 22 832 1 27 2600 588 0 77 619 0 84 650 0 91 680 0 97 710 1 04 739 1 1 767 1 16
68. bove and to test the control Control must be in the manual reset mode to perform a test Use a pointed object to press the small red test button A yellow marker should appear in the trip indication window to the right of the amp setting control Press the blue reset screw to reset the relay The red STOP button opens the normally closed contacts which power the blower motor This button stops blower motor operation as long as it is pressed in FIGURE 4 SIEMENS OVERLOAD RELAY BLUE RESET BUTTON IN FACTORY SET AUTO MODE Turn clockwise to H for manual reset GREEN TRIP INDICATOR Flush with surface not tripped Above surface tripped RED TEST BUTTON AMP ADJUSTMENT DIAL Adjust relay amp setting according to value given on the blower motor nameplate Proper relay amp setting equals motor nameplate FLA Use small slotted screwdriver to adjust control mode from automatic reset A to manual reset H Control must be in the manual reset mode H to perform a test Press the red test button Green trip indicator should pop out Press the blue reset screw to reset the relay FIGURE 5 Page 30 B Cooling Components All units use independent cooling circuits consisting of sepa rate compressor condenser coil and evaporator coil See figure 6 One draw through type condenser fan is used in LCH036 072 units Units are equipped with belt drive or di rect drive blowers which draw air across the evaporator dur ing uni
69. cts K15 1 open de en ergizing HE1 22 5kW 30kW units N O contacts K15 1 open de en ergizing HE1 and HE2 Sequence of Operation E1EH 7 5 15 22 5 30 Y Voltage HEATING ELEMENTS 1 Terminal Strip TB2 is energized when the unit discon nect closes TB2 supplies line voltage to electric heat elements HE1 and TB3 TB3 supplies line voltage to HE2 and HE3 Elements are protected by fuses F3 and or F42 FIRST STAGE HEAT 2 Heating demand initiates at W1 in thermostat 3 24VAC is routed to the A55 Unit Controller After A55 proves N C primary limit S15 the electric heat contac tor K15 is energized A55 energizes the blower and economizer 4 7 5kW and 15kW units N O contacts K15 1 close en ergizing HE1 22 5kW and 30kW units N O contacts K15 1 close energizing HE2 and HE3 END OF FIRST STAGE HEAT 5 Heating demand is satisfied Terminal W1 in the ther mostat is de energized 6 Electric heat contactor K15 is de energized 7 7 5kW 15kW units contacts K15 1 open de en ergizing HE1 22 5kW 30kW units N O contacts K15 1 open de en ergizing HE2 and HE3 Sequence of Operation E1EH 7 5 15 22 5 30 P Voltage HEATING ELEMENTS 1 Terminal Strip TB2 is energized when the unit discon nect closes TB2 supplies line voltage to electric heat elements HE1 and TB3 TB3 supplies line voltage to HE2 through HE6 Elements are protected by fuses F3 and F42 FIRST STAGE HEAT 2 Heating demand ini
70. d the outdoor air damper is closed Supply fan is on and the outdoor air damper is at minimum position 1Qutdoor Air is Suitable Note When outdoor air is not suitable during the occupied time period damper modulates to minimum position When out door air is not suitable during the unoccupied time period damper modulates closed Cooling Thermostat or Zone Sensor Up to 2 stages Y 1 Y2 Y1 demand 1st Compressor is off supply fan is on economizer modulates minimum to maximum open position to maintain 55 F supply air temperature default unit controller setting Y2 demand 1st Economizer goes to maximum open position and if the damper stays open for three minutes default unit controller setting the compressor is energized F Power Exhaust Relay K65 power exhaust units Power exhaust relay K65 is a DPDT relay with a 24VAC coil K65 is used in all LCH units equipped with the op tional power exhaust dampers K65 is energized by the Unit Controller after the economizer dampers reach 5096 open adjustable When K65 closes exhaust fan B10 is energized G Power Exhaust Fans E1PWRE10A available for LCH 3 and 4 ton units and ET1PWRE10N available for 5 and 6 ton units provide ex haust air pressure relief See figure 23 and installation in structions for more detail H Optional UVC Lights The Healthy Climate germicidal light emits ultraviolet UVC energy that has been proven effective in reducing microbial life for
71. e amp two speed systems and K37 two speed systems and condenser fan relay K10 B Direct Drive Units Voltage is distributed directly to blower motor B3 and outdoor fan motor B4 Blower Operation The 55 Unit Controller receives a demand from thermostat terminal 55 energizes blower motor circuit follows 3 Belt Drive A Single Speed Systems 6 ton units A55 energizes blower contactor K3 with 24VAC N O contacts K3 1 close energizing blower B3 B Two Speed Systems 3 4 and 5 ton units A55 through motor control board A169 energizes blower low speed contactor K3 with 24VAC N O contacts K3 1 close energizing blower B3 on low speed default A55 can be programmed to direct 24VAC to blower high speed contactor K37 to energize blower B3 on high speed Direct Drive A A55 through motor control board A169 energizes blower B3 via programmed motor settings Motor settings are field adjustable First Stage Cooling A55 Unit Controller receives a Y1 and G cooling demand and energizes blower B3 low speed on two speed belt and direct drive blowers After A55 proves n c low pressure switch S87 n c freezestat S49 and n c high pressure switch S4 compres sor contactor K1 is energized N O contacts K1 1 close energizing the compressor B1 On two speed systems 3 4 and 5 tons compressor is energized on low speed A Belt Drive Blowers S11 n o contacts close below 62 F A55 energizes n o contacts K10 1 closed to
72. eat deduction 1 Certified in accordance with the ULE or 2 USE certification program which is based on AHRI Standard 210 240 or 340 360 95 F outdoor air temperature and 80 F db 67 F wb entering evaporator air minimum external duct static pressure 3 Integrated Energy Efficiency Ratio tested according to AHRI Standard 340 360 Using total air volume and system static pressure requirements determine from blower performance tables rpm and motor output required Maximum usable output of motors furnished are shown In Canada nominal motor output is also maximum usable motor output If motors of comparable output are used be sure to keep within the service factor limitations outlined on the motor nameplate Page 6 9rcb tes 6BCEL SECl O8SF Eccl ZEF SOLE RDE mm 55 22 EE EC DU a BS Sere ERE BR Bee BS e YOZL ZZS SOL 6611 ELV CLEL 6108 296 ZOOL COLL 006 916 visum MS Ee RRA SS iun uum Vt 9 00 OCS ZShL SSEL 610 862 OELL CSE LLL 162 0 6 VSIL 102 18 Z6LL 061 268 icis ce 502 IE poc 01 SELL ELG 014 1811 OSV 607 LOLL
73. economizer etc 2 Any field installed accessories air resistance duct resistance diffuser etc See Page 18 for blower motors and drives and wet coil and options accessory air resistance data HORIZONTAL Air Volume cfm External Static in w g 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 9 1 0 BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1100 509 0 15 562 0 18 624 0 20 691 0 22 771 0 24 852 0 25 919 0 28 970 0 31 1010 0 35 1049 0 38 1200 535 0 18 589 0 21 650 0 23 715 0 25 792 0 27 869 0 29 932 0 32 980 0 35 1019 0 38 1058 0 42 1300 564 0 21 618 0 24 678 0 27 741 0 29 815 0 31 887 0 33 946 0 36 991 0 39 1030 0 43 1068 0 47 1400 604 0 24 657 0 27 715 0 30 775 0 33 842 0 35 908 0 37 962 0 40 1004 0 43 1042 0 47 1080 0 51 1500 656 0 26 706 0 30 760 0 33 814 0 36 874 0 39 931 0 41 979 0 45 1019 0 48 1056 0 53 1094 0 57 1600 712 0 29 758 0 32 807 0 36 855 0 39 906 0 43 955 0 46 997 0 50 1035 0 54 1071 0 58 1109 0 62 1700 766 0 32 808 0 36 850 0
74. ed in the SPECIFICATIONS table of contents in the front of this manual Units may be equipped with motors manufactured by various manufacturers therefore electri cal FLA and LRA specifications will vary See unit rating plate for information specific to your unit AIMPORTANT Three phase scroll compressors must be phased se quentially for correct compressor blower rota tion Follow COOLING START UP section of instal lation instructions to ensure proper compressor and blower operation A Blower Operation Refer to the Unit Controller Installation and Setup Guide to energize blower Use the menu navigation arrows and se lect button see Service Test B Determining Unit CFM 1 The following measurements must be made with air fil ters in place IMPORTANT On units equipped with direct drive blowers determine and adjust high speed CFM before low speed CFM Low speed CFM should be adjusted to 2 3 of high speed CFM A low speed adjustment less than 2 3 of high speed will improve humidity removal refer to product data for more information 2 With all access panels in place measure static pres sure external to unit from supply to return Pressure tap locations should be approximately one foot from openings 3 Measure the indoor blower wheel RPM RPM can be read from the A55 Unit Controller display on direct drive blowers See Unit Controller manual 4 Referring to Page 11 through Page 18 use static
75. emperature should match values in table 21 An approach temperature greater than value shown indicates an undercharge An approach tem perature less than value shown indicates an over charge 3 The approach method is not valid for grossly over or undercharged systems Use tables 7 through 20 as a guide for typical operating pressures TABLE 21 APPROACH TEMPERATURE LCH LCH Unit Liquid Temp Minus Ambient Temp 036S amp H Std 036S amp H Reheat 048H Std o 060 amp Reheat 6 1 33 0 5 060 Std 072 Std 048 Reheat 072 Reheat 0485 Std 0605 Std TF 1 3 9 C 0 5 8 F 1 44 0 5 0485 Reheat 9 1 5 0 0 5 V SYSTEMS SERVICE CHECKS A Cooling System Service Checks LCH units are factory charged and require no further adjust ment however charge should be checked periodically using the approach method The approach method compares actual liquid temperature with the outdoor ambient temperature See section IV CHARGING NOTE When unit is properly charged discharge line pres sures should approximate those in tables 7 through 20 VI MAINTENANCE The unit should be inspected once a year by a qualified ser vice technician Electric shock hazard cause injury or death Before attempting to perform any service or maintenance turn the electrical power to unit OFF at disconnect switch es Unit may have multiple power supplies ACAUTION Labe
76. gerant CFC s and HCFC s as of July 1 1992 Approved methods of recovery recycling or re claiming must be followed Fines and or incarcera tion may be levied for non compliance AWARNING Electric shock hazard Can cause injury or death Before attempting to perform any service or maintenance turn the electrical power to unit OFF at discon nect switch es Unit may have multiple power supplies ACAUTION Danger of sharp metallic edges Can cause injury Take care when servicing unit to avoid accidental contact with sharp edges Technical Publications Page 1 ELECTROSTATIC DISCHARGE ESD Precautions and Procedures A CAUTION Electrostatic discharge affect electronic components Take precautions during unit instal lation and service to protect the unit s electronic controls Precautions will help to avoid control exposure to electrostatic discharge by putting the furnace the control and the technician at the same electrostatic potential Neutralize electro static charge by touching hand and all tools unpainted unit surface such as the blower deck before performing any service procedure Table of Contents Options Page 2 Specifications Page 5 Blower Data Page 7 Electric al Electric Heat Data Page 19 Electric Heat Capacities Page 26 Parts Arrangement Page 28 Unit Components
77. ing pressures to the pres sures obtained from the gauges Minor variations in these pressures may be expected due to differences in installations Significant differences could mean that the system is not properly charged or that a problem 1 exists with some component in the system Correct any system problems before proceeding 5 If discharge pressure is high remove refrigerant from the system If discharge pressure is low add refrigerant to the system Add or remove charge in increments Allow the system to stabilize each time refrigerant is added or removed 6 Use the following approach method along with the nor mal operating pressures to confirm readings TABLE 7 LCH036S NORMAL OPERATING PRESSURES Outdoor Coil Entering Air Temp Suction 5 10 psig psig 451 507 TABLE 8 LCH036S REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 10 psig psig Entering Air Temp TABLE 9 LCH036H NORMAL OPERATING PRESSURES Outdoor Coil Suction 5 Entering Air Temp 10 psig psig TABLE 10 LCH036H REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 10 psig psig Entering Air Temp Page 39 TABLE 11 TABLE 16 LCH048S NORMAL OPERATING PRESSURES LCH060S REHEAT NORMAL OPERATING PRESSURES Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig CR 26 f Outdoor Coil Discharge Suction 5 Entering Air Temp 10 psig psig
78. isconnect switch Voltage must be within the range listed on the nameplate If not con sult the power company and have the voltage cor rected before starting the unit 5 Recheck voltage and amp draw with unit running If voltage is not within range listed on unit nameplate stop unit and consult power company Refer to unit nameplate for maximum rated load amps 6 Inspect and adjust blower belt see section on Blower Compartment Blower Belt Adjustment IV CHARGING WARNING Do not exceed nameplate charge under any condition This unit is factory charged and should require no further adjustment If the system requires additional refrigerant re claim the charge evacuate the system and add required nameplate charge NOTE System charging is not recommended below 60 F 15 C In temperatures below 60 F 15 C the charge must be weighed into the system If weighing facilities are not available or to check the charge use the following procedure 1 Attach gauge manifolds and operate unit in cooling mode with economizer disabled until system stabilizes approximately five minutes Make sure outdoor air dampers are closed 2 Use a thermometer to accurately measure the outdoor ambient temperature 3 Apply the outdoor temperature to tables 7 through 20 to determine normal operating pressures Pressures are listed for sea level applications at 80 F dry bulb and 67 F wet bulb return air Compare the normal operat
79. it start up Refer to the Unit Controller guide provided with each unit See figure 21 for switch location and figure 22 for DIP switch settings Outdoor Air Suitability LED A yellow LED which is labeled OAS provides economizer status A steady yellow LED indicates that outdoor air is suitable for free cooling A flashing yellow OAS light indi cates the IAQ sensor requires outdoor air A flashing yel low LED can also mean that the economizer dampers are open to bring in fresh air while a compressor is on If the economizer is already operating a flashing yellow OAS light indicates the IAQ sensor requires more outdoor air than is suitable for free cooling See figure 21 Optional Sensor An optional IAQ sensor A63 may be used to lower operat ing costs by controlling outdoor air based on level or room occupancy also called demand control ventilation or DCV Damper minimum position can be set lower than traditional minimum air requirements dampers open to traditional ventilation requirements when level reach es DCV IAQ setpoint Refer to instructions provided with sensors for installation TABLE 23 Mod Outdoor air is suitable for free cooling when TEMP offset TEMP Outdoor air temperature RT17 is less than return air temperature RT16 minus the offset value 0 to 40 F TEMP setpoint TEMP Outdoor air temperature RT17 is less than the setpoint value 41 to 70 F ENTH differential Outd
80. l all wires prior to disconnection when servicing controls Wiring errors can cause improper and danger ous operation Verify proper operation after servicing AWARNING Product contains fiberglass wool Disturbing the insulation in this product during installation maintenance or repair will expose you to fiberglass wool Breathing this may cause lung cancer Fiberglass wool is known to the State of Cali fornia to cause cancer Fiberglass wool may also cause respiratory skin and eye irritation To reduce exposure to this substance or for further information consult material safety data sheets available from address shown on unit nameplate or contact your supervisor A Filters Units are equipped with temporary filters which must be replaced prior to building occupation See table 22 for correct filter size Refer to local codes or appropriate ju risdiction for approved filters TABLE 22 Qty Filter Size inches mm 036 048 16 X 20 X 2 406 X 508 X 51 060 072 20 X 20 X 2 508 X 508 X 51 NOTE Filters must be U L C certified or equivalent for use in Canada REMOVE FILTERS GN PULL TO REMOVE FILTERS p FIGURE 14 B Lubrication All motors are lubricated at the factory No further lubrica tion is required C Evaporator Coil Inspect and clean coil at beginning of each cooling season Clean using mild detergent or commercial coil cleanser Flush coil and condensate d
81. lements while in the 22 5 kW units K15 and K16 energize the heating elements simultaneously ELECTRIC HEAT ELEMENTS 2 High Temperature Limits 515 Primary FIGURE 12 15 is a SPST N C auto reset thermostat located on the back panel of the electric heat section above the heating elements S15 is the high temperature limit for the electric heat section When S15 opens indicating a problem in the system contactor K15 is de energized including K16 in 22 5 kW units When K15 is de energized all stages of heat are de energized See table 5 for S15 set points Set points are factory set and not adjustable TABLE 5 CICER e 50 20 30 20 22 5 Y G J 20 110 110 Y 22 5 P NINE 1 ELECTRIC HEAT COMPONENTS FIGURE 13 Page 37 3 High Temperature Limit S20 and S157 Secondary 520 and 5157 are SPST N C manual reset thermostat s 520 and 5157 are wired in series with the heating ele ments See E1EH wiring diagrams When 520 5157 open power is interrupted to the heating elements which are wired in series with the limits K15 K16 are only de en ergized when 515 opens When the contactors are de en ergized all stages of heat are de energized The thermo stat is factory set to open at 220 F 6 F 104 C 3 3 C on a
82. ms viruses bacteria yeasts and molds in the air UVC germicidal lamps greatly reduce the growth and prolif eration of mold and other bio aerosols bacteria and vi ruses on illuminated surfaces Germicidal lamps are NOT intended to be used for removal of active mold growth Existing mold growth must be appropriate ly removed PRIOR to installation of the germicidal lamp Refer closely to UVC light installation instruction warnings when servicing units 1 5 Detectors A171 and A172 Photoelectric smoke detectors are a factory or field installed option The smoke detectors can be installed in the supply air duct A172 return air section A171 or in both the supply duct and return air section J Control Systems The A55 Unit Controller provides all control function for the rooftop unit Default operation requires a standard room thermostat or direct digital controller DDC The A55 can also control the unit from a zone temperature sensor The A55 Unit Controller is a network controller when daisy chained to the L Connection Network Control System For ease of configuration the A55 can be connected to a PC with Unit Controller PC software installed K Dirty Filter Switch S27 The dirty filter switch senses static pressure increase indi cating a dirty filter condition The switch is N O and closes at 1 W C 248 6 Pa The switch is mounted in the supply air section on the evaporator coil seal Page 46 POWER
83. n to maintain 55 F supply air temperature default unit controller setting 2nd After 5 minutes default unit controller setting supply fan switches to high speed Economizer continues modulating with supply fan on high speed to maintain 55 F supply air temperature Y2 demand 1st Compressor is off supply fan is on high speed and economizer modulates to maintain 55 F supply air temperature 2nd Economizer opens to maximum If economizer stays at maximum open for 3 minutes default unit controller setting compressor is energized and operates at first stage while supply fan stays on high speed Outdoor air suitability is determined by the energy state of outdoor ambient enthalpy or sensible and its ability to achieve the desired free cooling effects Outdoor air suitability can also be determined by a third party controller and provided to the RTU via a network connection Page 45 Outdoor Air Damper and Economizer Operation continued Y3 demand 1st Economizer is at maximum open and compressor operates at first stage If economizer stays at maximum open for 3 minutes default unit controller setting compressor switches to second stage operation while supply fan stays on high speed SINGLE STAGE UNIT OPERATION 6 TON Modulating Outdoor Air Damper Damper minimum positions are adjusted during unit setup to provide minimum fresh air requirements at the indicated supply fan speeds per ASHRAE 62 1 Supply fan is off an
84. n be factory or field installed to the LCH units A C1 T1CURB When installing the LCH units on a combustible surface for downflow discharge applications the Lennox C1 T1CURB 8 inch 14 inch 18 inch or 24 inch height roof mounting frame is used The roof mounting frames are recom mended in all other applications but not required If the LCH units are not mounted on a flat roof surface they MUST be supported under all edges and under the middle of the unit to prevent sagging The units MUST be mounted level with in 1 16 per linear foot or 5mm per meter in any direction The assembled mounting frame is shown in figure 16 Re fer to the roof mounting frame installation instructions for details of proper assembly and mounting The roof mount ing frame MUST be squared to the roof and level before mounting Plenum system MUST be installed before the unit is set on the mounting frame Typical roof curbing and flashing is shown in figure 17 Refer to the roof mounting frame installation instructions for proper plenum construc tion and attachment B Transitions Optional supply return transitions T1TRAN10AN1 is available for use with the LCH 3 4 and 5 ton units and the T1TRAN20N 1 is available for the 6 ton units utilizing op tional T1CURB roof mounting frames Transition must be installed in the C1 T1CURB mounting frame before mounting the unit to the frame Refer to the manufacturer s instructions included with the transition fo
85. nd bearing life Check 40 64 5 87 belt tension as follows Example Deflection distance of a 400mm span would be 6mm 1 Measure span length X See figure 11 3 Measure belt deflection force For a used belt the 2 Apply perpendicular force to center of span X with deflection force should be 5 Ibs 35kPa A new belt enough pressure to deflect belt 1 64 for every inch of deflection force should be 7 Ibs 48kPa span length or 1 5mm per 100mm of span length Ws A force below these values indicates an underten sioned belt A force above these values indicates an overtensioned belt MEASURE BELT TENSION H Field Furnished Blower Drives For field furnished blower drives use Page 11 through Page 18 to determine BHP and RPM required Reference table 4 to determine the drive kit number DEFLECTION 1 64 PER INCH OF SPAN OR 1 5mm PER 100mm OF SPAN FIGURE 11 TABLE 4 MANUFACTURER S DRIVE COMPONENT NUMBERS DRIVE COMPONENTS Drive No Motor Pulley Blower Pulley Belt Supplier No OEM Part No Supplier No OEM Part No Supplier No OEM Part No A01 1VP34x7 8 31K6901 AK54 x 1 100244 19 A40 100245 17 A02 1VP34x7 8 31K6901 AK49 x 1 100244 18 A39 100245 16 A03 1VP34x7 8 31K6901 AK44 x 1 100244 16 A39 100245 16 A05 1VP34x7 8 31K6901 AK41 x1 100244 15 A39 100245 16 A06 1VP44x7 8 P 8 1488 AK51 x 1 18L2201 A41 100245 18 07 1VP50x7 8 P 8 2187 AK54 x 1 100244 19 43 73K8201 01 1VP34x7 8 31K6901 AK69 x 1 37L
86. nfigure to order units CTO The LCH unit components are shown in figure 1 All units come standard with removable unit panels All L1 L2 and L3 wiring is color coded L1 is red pink L2 is yellow and L3 is blue A Control Box Components LCH control box components are shown in figure 2 The control box is located in the upper right portion of the com pressor compartment 1 Control Transformer T1 All use a single line voltage to 24VAC transformer mounted in the control box Transformer supplies power to control circuits in the unit The transformer is rated at 70VA and is protected by a 3 5 amp circuit breaker CB8 The 208 230 Y voltage transformers use two 208 230V TRANSFORMER PINK GRAY SECONDARY primary voltage taps as shown in figure 3 while 460 G and 575 J i voltage transformers 208 VOLTS use a single primary 0 voltage tap ORANGE PRIMARY FIGURE 3 2 Transformer T4 G J voltage All G J 460 575 voltage direct drive units use transformer T4 mounted in the control box T4 is a line voltage to 230V transformer to power the indoor blower and outdoor fan motor It is connected to line voltage and is powered at all times BLACK 3 Transformer T43 reheat units All reheat units and units with phase detection components are equipped with T43 located in the control box Trans former is rated at 70VA It is connected to line voltage and is powered at all times 4 Unit Controller A55
87. o National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements 4 Factory installed circuit breaker not available Page 24 ELECTRICAL ELECTRIC HEAT DATA 5 TON 5 TON STANDARD EFFICIENCY R 410A LCHO60S4 1 Voltage 60hz 208 230V 3 Ph 460V 3 Ph 575V 3 Ph Compressor Rated Load Amps 17 6 9 7 4 Locked Rotor Amps 135 62 50 Outdoor Fan Full Load Amps 2 4 13 1 Motor Power Exhaust Full Load Amps 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 115 15 15 Indoor Blower Horsepower 1 2 1 2 Motor Full Load Amps 46 7 5 2 4 3 4 1 7 21 2 Unit Only 45 45 20 20 15 20 Overcurrent With 1 0 33 HP 45 50 20 25 20 20 Protection Power Exhaust 3 Minimum Unit Only 29 32 15 16 12 13 Circuit With 1 0 33 HP 32 35 16 18 13 14 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208 240 208 240V 480 480V 600V 600V 2 Maximum Unit 7 5 kW 45 45 45 45 20 20 20 Overcurrent Electric Heat 15 kW 4 45 60 450 60 30 30 25 25 Protection 225kw 70 70 40 40 30 35 3 Minimum Unit 7 5 kW 29 29 32 32 15 16 12 13 Circuit Electric Heat 15kW 45 51 49 55 26 27 21 22 GES 225kW 65 74 69 78 37 39 30 31 Maximum Unit 7 5 kW 45 45 50 50 20 25 20 20 Overcurrent Electric Heat 15 kW 450 60 60 60 30 30 25 25 piece and f O3SHP 5 5kw 570 80 480 90 4o 4o 35 35 Power Exhaust 3
88. of comparable output are used be sure to keep within the service factor limitations outlined on the motor nameplate Page 5 SPECIFICATIONS BELT DRIVE General Data Nominal Tonnage 3 Ton 4 5 Ton 6 Ton Model Number LCH036S4T LCH048S4T LCHO60S4T LCH072H4B Efficiency Type Standard Standard Standard High Blower Type Two Speed Two Speed Two Speed Single Speed Belt Drive Belt Drive Belt Drive Belt Drive Cooling Gross Cooling Capacity Btuh 35 800 50 100 61 600 73 500 Performance 1 Net Cooling Capacity Btuh 34 800 49 000 60 000 2 72 000 AHRI Rated Air Flow cfm 1200 1600 1750 1920 Total Unit Power kW 3 0 4 1 4 8 6 0 1 SEER Btuh Watt 15 0 15 0 15 5 3 Btuh Watt 13 5 1 EER Btuh Watt 11 6 12 5 12 5 2 12 0 Refrigerant Type R 410A R 410A R 410A R 410A Refrigerant Charge Furnished 9 Ibs 1 oz 11 Ibs 5 oz 15 Ibs 8 oz 16 Ibs 5 oz Refrigerant Charge Furnished 9 Ibs 12 oz 12 165 7 oz 17 Ibs 8 oz 16 Ibs 5 oz with Humiditrol Option Electric Heat Available See Page 20 Page 26 7 5 and 15 kW 7 5 and 15 kW 7 5 15 and 7 5 15 22 5 22 5 kW and 30 kW Compressor Type number Scroll 1 Scroll 1 Scroll 1 Scroll 1 Outdoor Coils Net face area total sq ft 15 60 15 60 19 30 19 30 Tube diameter in 3 8 3 8 3 8 3 8 Number of rows 1 5 2 2 2 Fins per inch 20 20 20 20 Outdoo
89. oor air enthalpy A7 is less than return air enthalpy 62 Enthalpy setpoint potentiometer is set to DIFF ENTH setpoint ODE Outdoor air enthalpy A7 is less than enthalpy setpoint potentiometer position A B C or D Global input is energized by P297 9 This setting is also used for outdoor air damper applications Global input GLOBAL GLO also brings on the blower This mode is NOT used when OAS signal is provided via network connection GLO is only used when a 24VAC signal is used to energize the P297 9 GLO input Enthalpy includes effects of both temperature and humidity ECONOMIZER BOARD umm o LO Py OPO M2 UNIT CONTROLLER 1574 ess em D STEADY YELLOW OUTDOOR AIR SUITABLE LED INDICATES OUTDOOR AIR CAN BE USED ECON DIP SWITCH FOR COOLING o OPEN 0 100 eh MINIMUM DIF 0 100 POSITION MIN POS SET POTENTIOMETER FIGURE 21 Page 44 DIP SWITCHES TMP GLO 1 5 L a IN O GLO TMP ODE differential ODE enthalpy TMP GLO m CELA O C a Wiel noO D GLO TMP B GLO TMP SettoDIF lt gt Set t qe ON 5 4 mon 4
90. r Coil Motor No horsepower 1 1 10 PSC 1 1 4 PSC 1 1 3 PSC 1 1 3 PSC Fans Motor rpm 825 825 1075 1075 Total Motor Input watts 168 230 410 410 Diameter No in 1 24 1 24 1 24 1 24 Number of blades 3 3 3 3 Total air volume cfm 3 000 3 300 4 800 4 800 Indoor Net face area total sq ft 7 78 7 78 9 72 9 72 Coils Tube diameter in 3 8 3 8 3 8 3 8 Number of rows 3 4 4 4 Fins per inch 14 14 14 14 Drain connection Number and size in 1 1 NPT 1 1 NPT 1 1 NPT 1 1 NPT Expansion device type Balance port TXV removable head 4 Indoor No of Speeds 2 2 2 1 Blower Nominal motor HP Low static 0 75 0 75 1 1 and Drive High static 1 2 2 2 Selection Maximum usable motor output Lowestatic 0 86 0 86 1 15 1 15 US Only High static 1 15 2 3 2 3 2 30 Motor Drive kit number A01 A02 A03 01 low 449 673 low 497 673 low 555 833 522 784 rpm high 673 1010 high 745 1117 high 833 1250 02 05 06 07 632 875 rpm low 598 897 low 714 953 low 808 1032 high 897 1346 high 1071 1429 high 1212 1548 798 1105 rpm Blower wheel nominal diameter x width in 1 10 X 10 1 10 X 10 1 10 X 10 1 15 X9 Filters Type of filter disposable Number and size in 4 16 X 20 X2 4 20X 20X2 Electrical characteristics 208 230V 460V or 575V 60 hz 3 phase NOTE Net capacity includes evaporator blower motor heat deduction Gross capacity does not include evaporator blower motor h
91. r detailed installa tion procedures C Supply and Return Diffusers Optional flush mount diffuser return FD9 65 and FD11 95 and extended mount diffuser return RTD9 65 and RTD11 95 are available for use with all LCH units Refer to manufacturer s instructions included with tran sition for detailed installation procedures D Outdoor Air Dampers E1DAMP11A 1 manually operated outdoor air damper and E1DAMP21A 1 motorized outdoor air damper is available for LCH 3 and 4 ton units see figure 18 or 19 E1DAMP11AT 1 manually operated outdoor air damper and E1DAMP21AT 1 motorized outdoor air damper is available for LCH 5 and 6 ton units Both sets include the outdoor air hood The manual damper is set at a fixed point to bring out side air into the building anytime the blower is operating The motorized damper opens when the blower is operating and the thermostat is sending an occupied signal to the Unit Con troller If the thermostat signal is unoccupied the motorized damper will not open Washable filter supplied with the out door air dampers can be cleaned with water and a mild de tergent It should be sprayed with Filter Handicoater when dry prior to reinstallation Filter Handicoater is R P Products coating no 418 and is available as Lennox Part No P 8 5069 Page 42 E Economizer Field or Factory Installed Unit may contain an optional economizer See figure 20 The economizer uses outdoor air for free cooling when the temperatu
92. rain with water taking care not to get insulation filters and return air ducts wet Page 41 CLEAN CONDENSER COIL ENDPLATE IS SECURED TO MULLION TOP VIEW SUPPLY AIR E lt B x BLOWER CONDENSER ACCESS PANEL Remove unit top panel and condenser section access panel Remove screws securing coil end plate to mullion Remove wire ties connecting coils slabs and separate slabs 3 4 76 102mm Clean coils with detergent or commercial coil cleaner Rinse thoroughly with water and reassemble Use field provided wire ties to connect coil slabs CONDENSER COILS FIGURE 15 D Condenser Coil Clean condenser coil annually with detergent or commercial coil cleaner and inspect monthly during the cooling season Condenser coils are made of single and two formed slabs On units with two slabs dirt and debris may become trapped between the slabs To clean between slabs care fully separate coil slabs and wash them thoroughly See fig ure 15 Flush coils with water following cleaning Note Remove all screws and gaskets prior to cleaning pro cedure and replace upon completion E Supply Blower Wheel Annually inspect supply air blower wheel for accumulated dirt or dust Turn off power before attempting to remove ac cess panel or to clean blower wheel VII ACCESSORIES The accessories section describes the application of most of the optional accessories which ca
93. re is suitable ASSEMBLED ROOF MOUNTING FRAME FIGURE 16 TYPICAL FLASHING DETAIL UNIT BASE BOTTOM UNIT BASE wu RAIL FIBERGLASS pe INSULATION a Furnished j LS COUNTER FLASHING NAILER STRIP Field Supplied Furnished CANT STRIP Field Supplied RIGID INSULATION Field Supplied ROOF MOUNTING FRAME Extends around entire Ee perimeter of unit MANUAL OUTDOOR AIR DAMPER SLIDE DAMPERS TO ADJUST FRESH AIR INTAKE FIGURE 18 MOTORIZED OUTDOOR AIR DAMPER FIGURE 20 Page 43 Outdoor Air Suitability Sensors or a global input are used to determine outdoor air suitability for free cooling See table 23 Once outdoor air suitability is enabled the factory installed discharge air temperature sensor RT6 is used to modulate dampers to 55 F 13 C discharge air See the Unit Controller guide to adjust this setpoint NOTE Free cooling can also be enabled by a message from an energy management system EMS These sys tems may require additional field provided sensors refer to manufacturers instructions Sensors The appropriate sensors are provided when the economiz er is factory installed When the economizer is field instal led the ODE mode requires additional field provided sen sor s See table 23 The TEMP mode uses sensors provided with all units DIP Switches Damper mode is selected using the Unit Controller at un
94. t operation Cooling may be supplemented by a factory or field installed economizer The evaporator coil is slab type and uses a thermostatic expansion valve as the primary refriger ant metering device Each evaporator is also equipped with enhanced fins and rifled tubing In all units each compressor is protected by a freezestat S49 on the evaporator coil a high pressure switch S4 on the discharge line and a low pres sure switch S87 on the suction line See figure 6 A low am bient switch S11 is standard 1 Compressor B1 All LCHO036 060 units use one two stage scroll compressor LCHO072 units use one single stage scroll compressor See SPECIFICATIONS and ELECTRICAL DATA table of con tents or compressor nameplate for compressor specifications A WARNING Electrical shock hazard Compressor must be grounded Do not operate without protective cover over terminals Disconnect power before removing protective cover Discharge capacitors before ser vicing unit Failure to follow these precautions could cause electrical shock resulting in injury or death Each compressor is energized by a corresponding com pressor contactor NOTE Refer to the wiring diagram section for specific unit operation 2 Freezestat S49 Each unit is equipped with a low temperature switch free zestat located on a return bend of each evaporator coil The freezestat is wired to the A55 Unit Controller The freezestat is a SPST
95. temperature rise and can be manually reset when temperature falls below 160 F 71 0 C See figure 13 for location 4 Terminal Strip TB2 Terminal strip TB2 is used for single point power installa tions only TB2 distributes power to TB3 Units with multi point power connections will not use TB2 5 Terminal Strip TB3 P and Y voltage units are equipped with terminal strip TB3 Electric heat line voltage connections are made to TB3 which distributes power to the electric heat components and is located on the vestibule See fig ure 13 TABLE 6 6 Heating Elements HE1 through HE6 Heating elements are composed of helix wound bare nichrome wire exposed directly to the air stream Three elements are connected in a three phase arrange ment The elements in 208 230V units are connected in a Delta arrangement Elements in 460 and 575V units are connected in Wye arrangement Each stage is energized independently by the corresponding contac tors located on the electric heat vestibule panel Once energized heat transfer is instantaneous High tem perature protection is provided by primary and redun dant high temperature limits and overcurrent protection is provided by fuses 7 Fuse F3 Fuse F3 is housed in a fuse block which holds two or three fuses Each F3 fuse is connected in series with each leg of electric heat Figure 13 and table 6 show the fuses used with each electric heat section 8 Unit Fuse Block amp F
96. tiates at W1 in thermostat 3 24VAC is routed through A55 Unit Controller After A55 proves N C primary limit S15 the electric heat contac tor K15 and K16 for 22 5kW units is energized A55 energizes blower and economizer 7 7 5kW units N O contacts K15 1 close energizing HE1 15kW units N O contacts K15 1 amp 2 close energizing HE2 and HE3 22 5kW units N O contacts K15 1 K16 1 and K16 2 close energizing HE4 HE5 and HE6 END OF FIRST STAGE HEAT 5 Heating demand is satisfied Terminal W1 in the ther mostat is de energized 6 Electric heat contactor K15 and K16 22 5kW units is de energized 7 7 5kW units contacts K15 1 open de energizing HE1 15kW units contacts 15 1 amp 2 open de energiz ing HE2 and 22 5kW units N O contacts K15 1 K16 1 and K16 2 open de energizing HE4 5 and HE6 Page 54 ELECTRONIC OR ELECTROMECHANICAL THERMOSTAT 24 V POWER yy J297A 0 OQ Ts P297 lt RA55 1 ALL OTHER THERMOSTAT SIGNALSREMAINCONNECTED AS SHOWN ON THE RIGHT 2 TO PROVIDESUPERMARKREHEABCHEME USE 586 DEHUMIDISTAT AND 55 OX ES 250 298 K B 0G sl HOSN3S 2 HOSN3S J100 P100 53 NO as J99 A Se 6 DI 3 SS 221 2 o lt c 00 29 lt 1264 552 S BUS 85485 b 7 JACK b 8
97. tor the current flow to the motor When the relay senses current exceeds the operating limits of the motor a set of normally closed contacts open to de energize the blower On 3 4 and 5 ton unit blowers S42 is used on low speed and 135 is used on high speed On 6 ton unit blowers S42 is used on single speed Overload should be set to the full load current ratings on the motor nameplate 10 Condenser Fan Relay K10 belt drive Outdoor fan relay K10 is an optional DPDT relay with a 24VAC coil K10 energizes condenser fan B4 Page 29 LINE VOLTAGE IN N TELEMECANIQUE OVERLOAD RELAY TRIP INDICATION CLEAR WINDOW COVER SHOWN CLOSED STOP Lift clear cover and turn adjustment screw BUTTON counterclockwise Reset screw will pop out RED when pointer is in M manual position Close cover to lock reset screw into position DETAIL SHOWING RESET BUTTON ADJUSTED TO MANUAL POSITION AMP SETTING CONTROL BLUE DIAL 0 0 RED TEST BUTTON Push To Test BLUE RESET SCREW Shown in AUTO position as LOAD VOLTAGE OUT shipped from the factory Lift clear cover to adjust relay amp setting according to value given on the blower motor nameplate Proper relay amp setting equals motor nameplate FLA Cover must also be lifted to adjust control mode from automatic reset to manual reset see detail a
98. tor upward to loosen the belt This de creases the distance between the blower motor and the blower housing 4 Tighten four bolts securing motor base to the mounting frame Page 33 BLOWER ASSEMBLY TO INCREASE CFM DECREASE CFM S LOOSEN ALLEN SCREW amp TURN PULLEY 2 TURN PULLEY CLOCKWISE COUNTERCLOCKWISE SIDE VIEW P LOOSEN ALLEN SCREW TO ADJUST CFM ALLEN SCREW BT PULLEY TO INCREASE BELT TENSION 1 Loosen four bolts securing motor base to mounting frame 2 Slide the motor downward to tighten the belt 3 Tighten four bolts on motor base LOOSEN FOUR BOLTS AND SLIDE BLOWER MOTOR DOWNWARD TO TIGHTEN BELT FIGURE 7 TABLE 2 ECTO SETTINGS LCH LCH Unit Factory Settings Unit Controller SETTINGS CONTROL MSAV Menu 036 048 060 036 060 H4E H4E H4E S4T Field Setting Description SMOKE SPEED 55 80 59 Not Applicable torque for indoor blower smoke speed HIGH SPEED 55 80 59 Not Applicable torque for indoor blower high speed LOW SPEED 28 40 36 Not Applicable torque for indoor blower low speed H LCH Unit Factory Settings Unit Controller SETTINGS 1 SE SETPOINTS DAMPER Menu 048 060 036 060 Field Setting Description H4E H4E S4T Damper minimum position during low in MIN OCP BLOWER LOW 30 30 30 door blower Damper minimum position during high in MIN OCP BLOWER HIGH door blower
99. unSource Com mercial Energy System Solar energy is first used to meet cooling heating demands When the unit is not operating the system powers lighting appliances and other electronic devices in the building Any surplus power is sent back to the utility company for a pos sible credit check your local utility company for policies The SunSource Commercial Energy System consists of the following components Energence 3 6 ton SunSource Solar Ready pack aged electric electric LCH036 072 HVAC units Solar modules 1 to 21 may be used to vary the amount of electricity generated on three phase units 15 mod ules maximum on single phase units Envoy Communications Gateway monitors solar pow er performance All components must be ordered separately Wiring runs from the roof mounted solar modules to the unit From there power travels to the electrical service pan el using the existing HVAC unit power wiring Page 47 Vill Wiring Diagrams and Sequence of Operation LCH036 060 DIRECT DRIVE J P Y VOLTAGE UNIT DIAGRAM 24V POWER NOTE IF ANY WIRE IN THIS APPLIANCE IS REPLACED IT MUST BE REPLACED WITH WIRE OF LIKE SIZE RATING COMPONENT TERMINATION AND INSULATION THICKNESS WARNING ELECTRIC SHOCK HAZARD CAN CAUSE INJURY OR DEATH UNIT MUST BE GROUNDED IN ACCORDANCE WITH NATIONAL AND LOCAL o DISCONNECT ALL POWER BEFORE SERVICING CAPACITOR COMPRESSOR CAPACITOR EXHAUST FAN CAPA
100. use F4 Three line voltage fuses F4 provide short circuit and ground fault protection to all cooling components in the LCH units with electric heat The fuses are rated in accor dance with the amperage of the cooling components The F 4 fuse block is located inside a sheet metal enclosure 208 230V 1P 40 A 250V 2 E1EH0075 460V 3P 575V 3P 15 A 600V 15 A 600V 208 230V 3P 25 A 250V 3 208 230V 1P 40 A 250V 2 E1EH0150 460V 575V 208 230V 3P 50 A 250V 3 20 A 600V SSC Ce 3 Cas Ce E1EH0225 E1EH0300 575V 3P 460V 3P 50 A 600V 40 A 600V Page 38 AND INSTALLATION Make sure the unit is installed in accordance with the installation instructions and all applicable codes See accessories section for conditions requiring use of the optional roof mounting frame T1CURB AN or C1CURB AN 11 5 UP OPERATION A Preliminary and Seasonal Checks 1 Make sure the unit is installed in accordance with the installation instructions and applicable codes 2 Inspect all electrical wiring both field and factory installed for loose connections Tighten as required Refer to unit diagram located on inside of unit compres sor access panel 3 Check to ensure that refrigerant lines are in good condition and do not rub against the cabinet or other refrigerant lines 4 Check voltage at the d
101. wer Exhaust ELECTRICAL ACCESSORIES Disconnect 7 5 kW 20W21 20W21 20W21 20W21 20W21 20W21 15 kW 20W21 20W21 20W21 20W21 20W21 20W21 1 Extremes of operating range are plus and minus 10 of line voltage 2 type breaker or fuse 3 Refer to National or Canadian Electrical Code manual to determine wire fuse and disconnect size requirements 4 Factory installed circuit breaker not available Page 20 ELECTRICAL ELECTRIC HEAT DATA 3 TON 3 TON STANDARD EFFICIENCY R 410A LCHO36S4 1 Voltage 60hz 208 230V 3 Ph 460V 3 Ph 575V Ph Compressor Rated Load Amps 11 2 4 5 3 7 Locked Rotor Amps 58 29 22 5 Outdoor Fan Full Load Amps 0 9 0 6 0 5 Motor Power Exhaust Full Load Amps 2 4 1 3 1 1 0 33 HP Service Outlet 115V GFI amps 15 15 15 Indoor Blower Horsepower 0 75 1 0 75 1 0 75 1 Motor Full Load Amps 3 5 7 5 1 6 3 4 1 3 2 7 Maximum Unit Only 25 30 15 15 15 15 Overcurrent With 1 0 33 HP 30 30 15 15 15 15 Protection Power Exhaust 3 Minimum Unit Only 19 20 8 9 7 7 Circuit With 1 0 33 HP 21 22 10 10 8 8 Ampacity Power Exhaust ELECTRIC HEAT DATA Electric Heat Voltage 208V 240V 208V 240V 480V 480V 600V 600V 2 Maximum Unit 7 5 kW 25 30 30 30 15 15 15 15 Overcurrent Electric Heat 45 kW 445 50 445 60 25 30 20 25 Protection 3 Minimum Unite 7 5 kW 24 27 26 29 14 14 11 12 Circuit Electric Heat 45 kW 44 50 45 51 25 26 20 21 Ampacity Maximum

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