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Bryant 581B036--072 Air Conditioner User Manual

1. Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 643 0 28 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 0 71 705 1300 675 028 277 790 0 40 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 0 45 452 913 0 58 581 996 0 72 716 1070 0 86 855 1500 740 0 38 382 849 0 52 515 941 0 66 653 1023 0 80 795 1096 0 95 941 1600 773 0 45 444 879 0 59 586 970 0 73 731 1050 0 88 880 1123 1 04 1034 1700 807 0 52 513 910 0 67 663 999 0 82 817 1078 0 98 973 1150 114 1134 1800 841 0 59 589 942 0 75 749 1029 0 91 910 1106 1 08 1074 1900 875 0 68 674 974 0 85 842 1059 1 02 1012 1135 1 19 1184 2000 910 0 77 767 1006 0 95 944 1090 1 13 1122 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 1089 0 84 837 1153 0 98 974 1213 112 1115 1300 1113 0 92 915 1177 1 06 1058 1400 1138 1 01 1000 1201 1 15 1149 1500 1163 1 10 1092 1600 1189 1 20 1191
2. 29189 peo v14 08 02 SHA 5 5 64 021 SL ON we 161 t payed 24 02 SJA ez deo es vi 9 gis SH 09 5 5 S SL ON 95 29 SL SJA e m e ais toL oz SIA 4 re SH ZOL 02 ON igo 8 0 oz 805 bly 09 09 9 96 02 dis 090 26 02 ON 261 Ob d SH 281 zt ON 9 0 S 181 09 2 802 0 SJA m dis 891 161 09 SJA 1 6 NE rn a d 9 9 9 0 ost 2 vaz 181 ais 09 1 2 802 89 SL SHA WPILUNH 99 SL ON 38 399 t 19910d 29 s SJA oz deo 8 V9 269 gis SH 09 5 5 16 SL ON 56 9v SL SJA m dis bb SL ON OL 02 92 SH 49 81 ON 8 0 Sp i 805 bly 09 09 suoi v 99 02 SJA RS ais 8v0 59 SL ON Ge es SH Orr og ON 90 1n 96 181 09 2 022 802 SLL Se m ais OLL of ON GEL SJA v S S 4 L e d 6 9 0 TI iz 2 ais 09 1 2 802 08 SL SHA WPILUNH oL ON 196 wo i 5 SJA oz deo 2 269 gis SH 09 5 5 p 0L ON v 85 31 SJA 61 ais 0L ON SL SJA 92 SH 09 81 ON 805 bly 09 09 suoi SL SJA eu Jis 950 9v SL ON of es SH 0 92 ON 90 m 501 284 09 2 022 802 96 og SJA ais 06
3. 40 45 50 55 60 65 70 75 80 85 90 95 100 DEGREES FAHRENHEIT C06035 Fig 36 Outside Air Temperature Changeover Set Points ECONOMISER IV CONTROLLER ECONOMISER IV GROMMET RETURN AIR TEMPERATURE SENSOR ly RETURN DUCT FIELD PROVIDED C06036 Fig 37 Return Air Temperature or Enthalpy Sensor Mounting Location Occupancy Control The factory default configuration for the EconoMif er IV control is occupied mode Occupied mode is provided by the black jumper from terminal TR to terminal N When unoccupied mode is desired install a field supplied timeclock function in place of the jumper between TR and N See Fig 29 When the timeclock contacts are closed the EconoMi er IV control will be in occupied mode When the timeclock contacts are open removing the 24 v signal from terminal the EconoMi er IV will be in unoccupied mode Typically the maximum ventilation rate will be about 5 to 1096 more than the typical cfm required per person using normal outside air design criteria Demand Controlled Ventilation DCV When using the EconoMi er IV for demand controlled ventilation there are some equipment selection criteria which should be considered When selecting the heat capacity and cool capacity of the equipment the maximum ventilation rate must be evaluated for design conditions The maximum dampe
4. Table 30 Fan Performance 581B 060 581C 060 Single Phase Horizontal Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 800 0 39 350 904 0 49 438 999 0 60 535 1087 0 72 640 1169 0 85 753 1600 839 0 46 412 938 0 57 505 1030 O 68 605 1115 0 80 714 1195 0 93 829 1700 879 0 54 483 974 0 65 580 1062 0 77 684 1144 0 90 796 1221 1 03 914 1800 919 0 63 561 1010 0 75 663 1095 0 87 771 1174 1 00 886 1250 1 14 1008 1900 960 0 73 648 1047 0 85 754 1129 0 98 867 1206 1 11 986 1279 125 1111 2000 1001 0 84 744 1085 0 96 855 1163 1 09 972 1238 1 23 1095 2100 1043 0 96 850 1123 1 09 965 1199 1 22 1086 2200 1085 1 09 966 1162 1 22 1086 2300 1127 1 23 1092 2400 2500 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 1247 0 98 873 1320 1 13 1002 1390 1 28 1137 1600 1270 1 07 952 1342 1 22 1083 1700 1295 1 17 1040 1800 1321 1
5. 8 mn 275 SUCTION LINE TEMPERATURE 47 4 10 16 21 27 gt SUCTION LINE TEMPERATURE C 06141 Fig 53 Cooling Charging Chart Standard 581B 060 581B C 552 48 SUCTION LINE PRESSUR SUCTION LINE PRESSURE KILOPASCALS EUM SUCTION LINE TEMPERATURE SUCTION LINE TEMPERATURE C 140 T 4 10 16 2 27 gt C06142 Fig 54 Cooling Charging Chart Standard 581B 072 COOLING MODE CHARGING CHART 3 TON 80HZ ONLY WHEN COIL IS IN SUBCOOLING MODE OUTDOOR FAN MUST BE OPERATING 130 120 ADD CHARGE IF ABOVE CURVE 110 100 LIQUID TEMPERATURE LEAVING CONDENSER DEG 70 CHARGE 60 50 100 150 200 250 300 350 400 LIQUID PRESSURE LEAVING CONDENSER PSIG 06143 Fig 55 Cooling Charging Chart 581B 036 with Optional Perfect Humidity Adaptive Dehumidification System COOLING MODE CHARGING CHART 4 TON 6OHZ CAPPLICABLE ONLY WHEN COIL IS IN SUBCOOLING MODE 2 OUTDOOR FAN MUST BE OPERATING 14
6. 30 80013 31811508402 NO 03TNWISNI 38 SLINA L 19611 661 062 o 3088312 7151 711 8 01 5 20 91 6 0 21115 0 5 ON SJYINOJA 30VOINNVB YO 32831 ITGVAONIY V gt ONY 0 9 TT NI 031 15 SY 3015 NOILSNGAOD ONY 1102 91 61 L 0 4 0 RT 836830802 3HI 803 JONVYVITD 30 NOIId3OX3 3 1 9 0350 SI NIVUO 31VSN30NOD JLVNYIL TV N3HM S3HONI O ONJ NYNLIY ONY 114405 IWLNOZIYOH u JIN 834 NI 30IS 1081NO2 S3OVJunS GIGNNOYD 33H10 ONY ST1VM 31382802 YO 32018 ANY LINN N134138 6 834 NI 9 30IS 8 1081802 532 38405 LINN N33M138 7 93N 834 NI 3015 1041802 SLINM N33M138 NOI 1VU3dO NV4 835830802 834084 JYNSSY 01 S3HONI 09 QVIHYIAO P 01140 SI 39NVuV31 831 389 3 9811139 3015 JH Y3HLO JHI S3HONI ZL 3015 INO S3HONI 96 0713 YTV 834084 401 1102 835830802 753 2 1 0 GYNI 98150 LON N3HM 532 1805 31811508902 Ol 11 3578 10 01108 HINT 1 9305 98150 LON N3HM 532 1805 318115088402 OL LINN 30 1108 74 811130 JOYVHDSTG 3014 AYOSSIDIV ONISN N3HM NI 81 9 32vjunS 31811508802 3015 3013 LINN 33 130 79 18v 9 61 1 Mvu 3SV8 30 01108 157 9 1 SI ALIAVUO 30 31435 WOTLYIA 8 0 838402 3svg NO 135 31 18 1 0 T
7. IV CONTROLLER WIRING OUTSIDE AIR HARNESS TEMPERATURE SENSOR LOW AMBIENT SENSOR ACTUATOR gt 3 o 9 06021 23 EconoMi er IV Component Locations Optional Economi er IV See Fig 23 for EconoMi er IV component locations NOTE These instructions are for installing the optional IV Refer to the accessory EconoMi er IV when field installing EconoMi er IV accessory 1 To remove the existing unit filter access panel raise the panel and swing the bottom outward The panel is now disengaged from the track and can be removed See Fig 24 The box with the economizer hood components is shipped in the compartment behind the economizer The EconoMi er IV controller is mounted on top of the EconoMi er IV To remove the component box from its shipping position remove the screw holding the hood box bracket to the top of the economizer Slide the hood box out of the unit See Fig 25 IMPORTANT If the power exhaust accessory is to be installed on the unit the hood shipped with the unit will not be used and must be discarded Save the aluminum filter for use in the power exhaust hood assembly 3 9 10 The indoor coil access panel will be used as the top of the hood Remove the screws along the sides and bottom of the indoor coil access panel See Fig 26 Swing out indoor coil access panel and insert the hood sides under the panel hood top Use the
8. heating efficiency Inspect blower wheel every fall and periodically during heating season For the first heating season inspect blower wheel bimonthly to determine proper cleaning frequency To inspect blower wheel remove draft hood and screen Shine a flashlight into opening to inspect wheel If cleaning is required remove motor and wheel as follows 1 Slide burner access panel out 2 Remove the 5 screws that attach induced draft motor assembly to the vestibule cover 3 Slide the motor and blower wheel assembly out of the blower housing The blower wheel can be cleaned at this point If additional cleaning is required continue with Steps 4 and 5 4 remove blower from the motor shaft remove 2 setscrews 5 To remove motor remove the 4 screws that hold the motor to mounting plate Remove the motor cooling fan by removing one setscrew Then remove nuts that hold motor to mounting plate 6 To reinstall reverse the procedure outlined above Step 12 Limit Switch Remove blower access panel Fig 8 Limit switch is located on the fan deck Step 13 Burner Ignition Unit is equipped with a direct spark ignition 100 lockout system Integrated Gas Unit Controller IGC is located in the control box Fig 13 A single LED on the IGC provides a visual display of operational or sequential problems when the power supply is uninterrupted The LED can be observed through the viewport When a break in power occurs
9. 6 ton 0 05 3ton 0 0 1000 2000 3000 4000 5000 6000 C06133 Fig 41 Perfect Humidity Adaptive Dehumidification System Static Pressure Drop in wg OR STRING MOVABLE MUST BE PARALLEL FLANGE WITH BELT MOTOR MOUNTING NUTS Fig 42 Belt Drive Motor Mounting C06134 N MOTOR AND FAN SHAFTS MUST BE PARALLEL SETSCREWS FIXED FLANGE SINGLE GROOVE C06041 Fig 43 Indoor Fan Pulley Adjustment 26 Table 8 581B and 581C Fan Rpm at Motor Pulley Setting With Standard Motor UNIT MOTOR PULLEY TURNS OPEN 0 1 5 1 11 2 2 21 5 3 31 2 4 41 5 5 51 5 6 024 936 906 876 846 816 786 756 726 696 666 639 036 1044 1008 971 935 898 862 826 789 753 716 680 048 1185 1144 1102 1061 1019 978 936 895 853 812 770 060 1460 1425 1389 1354 1318 1283 1248 1212 1177 1141 1106 1070 1035 072 1585 1538 1492 1445 1399 1352 1305 1259 1212 1166 1119 Approximate fan rpm shown standard motor drive Table 9 581B Fan Rpm at Motor Pulley Setting With High Static Motor UNIT MOTOR PULLEY TURNS OPEN 0 1 2 1 11 2 2 21 2 3 31 2 4 41 5 5 51 2 6 036 1455 1423 1392 1360 1328 1297 1265 1233 1202 1170 1138 1107 1075 048 1455 1423 1392 1360 1328 1297 1265 1233 1202 1170
10. ABOVE CURVE a 5 3 8 e E In 5 gt 100 150 200 250 300 LIQUID PRESSURE LEAVING CONDENSER PSIG C06145 Fig 57 Cooling Charging Chart 581B 048 with Optional Perfect Humidity Adaptive Dehumidification System COOLING MODE CHARGING CHART TON 60HZ CAPPLICABLE ONLY WHEN COIL IS IN SUBCOOLING MODE 2 OUTDOOR FAN MUST BE OPERATING LIQUID TEMPERATURE LEAVING CONDENSER DEG F LIQUID PRESSURE LEAVING CONDENSER PSIG 06146 Fig 58 Cooling Charging Chart 581B 072 with Optional Perfect Humidity Adaptive Dehumidification System To Use Cooling Charging Chart Standard Unit Take the outdoor ambient temperature and read the suction pressure gauge Refer to charts to determine what suction temperature should be If suction temperature is high add refrigerant If suction temperature is low carefully recover some of the charge Recheck the suction pressure as charge is adjusted Example Fig 52 Outdoor Temperature 75 F Suction Pressure 70 psig Suction Temperature should 48 F Suct
11. 4 Replace evaporator coil access panel 5 Place hood on front of outdoor air opening panel See Fig 20 for hood details Secure top of hood with the 4 screws removed in Step 3 See Fig 21 6 Remove and save 6 screws 3 on each side from sides of the manual outdoor air damper 7 Align screw holes on hood with screw holes on side of manual outdoor air damper See Fig 28 and 21 Secure hood with 6 screws from Step 6 8 Adjust minimum position setting of the damper blade by adjusting the manual outdoor air adjustment screws on the front of the damper blade See Fig 19 Slide blade vertically until it is in the appropriate position determined by Fig 22 Tighten screws 9 Remove and save screws currently on sides of hood Insert screen Secure screen to hood using the screws See Fig 21 Convenience Outlet An optional convenience outlet provides power for rooftop use For maintenance personnel safety the convenience outlet power is off when the unit disconnect is off Adjacent unit outlets may be used for service tools 16 HRI PNK HU LEGEND CB Circuit Breaker CR Cooling Relay Terminal Unmarked DHR Dehumidify Relay Splice DSV Discharge Solenoid Valve HR Heater Relay Factory Wiring LPS Low Pressure Switch LSV Liquid Solenoid Valve Field Control Wiring LTLO Low Temperature Lockout Fjeld Power Wiring Fie
12. 1 67 1485 1470 1 83 1629 1531 2 00 1780 1591 2 18 1936 1648 2 36 2098 2200 1437 1 83 1621 1499 1 99 1769 1559 2 16 1923 1617 2 34 2082 1673 2 53 2246 2300 1468 1 99 1769 1529 2 16 1920 1587 2 34 2077 1644 2 52 2239 1699 2 71 2406 2400 1500 2 17 1928 1559 2 35 2083 1616 2 53 2243 1672 2 71 2408 1726 2 90 2579 2500 1533 2 36 2098 1591 2 54 2257 1647 2 73 2421 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 90 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1300 to 1685 rpm All other rpms require field supplied drive 38 Table 33 Fan Performance 581B 072 Horizontal Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 913 0 64 569 1010 0 80 715 1098 0 98 869 1178 1 16 1032 1252 1 35 1203 1900 952 0 73 652 1046 0 91 805 1131 1 09 965 1210 1 28 1134 1282 148 1311 2000 992 0 84 744 1083 1 02 903 1166 121 1070 1242 140 1245 1313 1 61 1427 2100 1032 0 95 844 1120 1 14 1010 1200 1 33 1184 1275 1 54 1365 1345 1 75 1553 2200 1073 1 07 954 11
13. 1111 1366 1 42 1258 2000 1049 0 82 731 1151 1 02 903 1241 1 20 1068 1323 1 38 1228 1399 1 56 1384 2100 1091 0 93 827 1189 1 14 1008 1278 1 33 1183 1358 1 52 1353 1433 1 71 1519 2200 1133 1 05 933 1229 1 26 1123 1315 1 47 1308 1393 1 67 1487 1467 1 87 1662 2300 1176 1 18 1047 1268 1 40 1247 1352 1 62 1441 1429 1 84 1630 1501 2 04 1815 2400 1218 1 32 1170 1308 1 55 1380 1390 1 78 1584 1466 2 01 1782 1537 223 1977 2500 1261 1 47 1304 1349 1 72 1523 1429 1 96 1736 1503 2 19 1945 1572 242 2149 2600 1305 1 63 1448 1390 1 89 1677 1468 2 14 1900 1540 2 38 2117 1608 2 62 2331 2700 1348 1 80 1602 1431 2 07 1841 1507 2 33 2073 1578 2 59 2301 1645 2 84 2524 2800 1392 1 99 1768 1472 2 27 2016 1547 2 54 2258 1616 2 81 2495 2900 1435 2 19 1945 1514 2 48 2203 1587 2 76 2455 3000 1479 2 40 2135 1556 2 70 2402 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1406 1 43 1273 1475 1 58 1403 1540 1 72 1531 1601 1 87 1657 1660 2 00 1780 1900 1438 1 58 1401 1505 1 73 1541 1569 1 89 1678 1630 2 04 1813 1689 2 19 1945 2000 1470
14. 1470 1 83 1629 1531 2 00 1780 1591 2 18 1936 1648 2 36 2098 2200 1437 1 83 1621 1499 1 99 1769 1559 2 16 1923 1617 2 34 2082 2300 1468 1 99 1769 1529 216 1920 1587 2 34 2077 2400 1500 2 17 1928 1559 2 35 2083 2500 1533 2 36 2098 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1035 to 1460 rpm Al Table 32 Fan Performance 581B 060 581C 060 Horizontal Discharge Units High Static Motor Belt Drive other rpms require field supplied drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 800 0 39 350 904 0 49 438 999 0 60 535 1087 0 72 640 1169 0 85 753 1600 839 0 46 412 938 0 57 505 1030 O 68 605 1115 0 80 714 1195 0 93 829 1700 879 0 54 483 974 0 65 580 1062 0 77 684 1144 0 90 796 1221 1 08 914 1800 919 0 63 561 1010 0 75 663 1095 0 87 771 1174 1 00 886 1250 1 14 1008 1900 960 0 73 648 1047 0 85 754 1129 0 98 867 120
15. Brake Horsepower 60 000 and 72 000 Btuh heat input units have 2 burners 90 000 and 120 000 Btuh heat input units have 3 burners 115 000 Btuh heat input units and 150 000 Btuh Heat input units have 3 burners TTA propane kit is available as an accessory Kit may be used at elevations as high as 2000 ft If a propane kit is used with Low NOx units the Low NOx baffle must be removed and the units will no longer be classified as Low NOx units Three phase standard models have heating inputs as shown Single phase stan dard models have one stage heating with heating input values California compliant three phase models tttCalifornia SCAQMD compliant low NO models have combustion products that are controlled to 40 nanograms per joule or less 10 Table 2 Physical Data 581C BASE UNIT 581C 024 036 048 072 NOMINAL CAPACITY tons 2 3 4 5 OPERATING WEIGHT Ib Unit 530 540 560 635 Perfect Humidity Adaptive Dehumidification System 13 15 23 25 EconoMi er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil 2 25 42 56 53 REFRIGERANT TYPE R 22 Expansion Device Acutrol Metering Device Operating Charge Ib oz Standard Unit 5 3 7 11 8 8 12 11 Unit With Perfect Humidity Adaptive Dehumidification System 10 2 14 0 14 13 21 0 CONDENSER Propeller Quantity Diameter in 1 22 1 22 1 22 1 22 Nominal Cfm 3000 3500 3500 4100 Motor H
16. E oh 90 88 9L 181 ais 09 052 02 A Sc SHA 5 suoi 2 25 ON 90 9 601 vaz 181 ais 09 1 022 802 20 ZH Hd A vul vid 9200 as vii we ALD Wal 2215 LINN 8215 LOINNOOSIG 19110 Wal YOLOW 30NVH lt ANGS NOLsnawoo W3O 53 FOVLIOA 090 72002184 0185 Bed e rn op4 AEL 14 15 8 S4 02 051 SHA x ig L SL ON uds 1509 190 payed 08 al ral 538 L 9 SH 09 9 9 62 02 ZEL ON 86 tee M 9 OL vL 02 9 SJA m dis 69 21 SL ON 801 81 52 I SJA ve 0 SH suoi 9 220 201 91 091 ON 90 L GL 96 808 Viv 09 09 66 ZL 02 SJA m ais 26 02 Z S ON vea 6 Sp SJA GL 90 SH 612 ve Sre ON vi 991 g oz 181 09 2 022 802 90 Ze Sp 8986 56 Gis 002 ze Ob 826 ON ii 22 vL 02 vl SJA ipiunH 92 St we 120 180 joeneg L pL vvt SA 269 sis H 24 21 En ON ge 18 T 5 09 lt 5 v9 L SL SJA z aig 9 LL SL SL ON 96 gh 02
17. VIG LOY 80 LOVE 10 2 LOVLOOUMdNLEYD 110 4204 114405 YIMOd 1151 VIG 2 8 S 39WNIVd AYOSSIIIV HLIM 310H 114405 YIMOd 01313 GE VIO 8 350 801 0 033 S310H 3S3Hl 53715 NOI1238N02 21 2 83404 801108 91 6 6 4 esi sot i 0902195 91 6 6 2 E i 8702186 reper pen s 110 20 114405 93009 V9 WIG 2 1 2 NOILD3NNOD 5 9 LdN PL NIVUO 31VSN30NOD 91 7 6 j ow 17581 ow sai ow 1 81 1H913M 838802 3430 mc YINYOD LHOTIM 31407 3 4 M 1H913M 191 3A 1023 183 u3sINONOO3 LINN 7415 581B C E FLUE OPENING INTAKE LOUVERS C06114 Fig 10 Flue Hood Details X 9 MINIMUM CLEARANCE FOR PANEL REMOVAL MANUALGAS GAS SHUTOFF VALVE REGULATOR BASE UNIT 48 MINIMUM I DRIP LEG PER NFGC BASE RAIL ROOF CURB FIELD FABRICATED 4 SUPPORT FROM GAS METER LEGEND NFGC National Fuel Gas Code Field supplied NOTE Follow all local codes SPACING OF SUPPORTS STEEL PIPE SPACING OF SUPPORTS NOMINAL DIAMETER in X DIMENSION ft 1 2 6 3 4 or 1 8 11 4 or larger 10 C06115 Fig 11 Gas Piping Guide With Accessory Thru the Curb Service Connections Step 7 Make Electrical Connections WARNING ELECTRICAL SHOCK HAZARD Failure to fo
18. 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 848 0 42 371 968 0 55 486 1069 O 68 600 1158 0 80 715 1288 0 94 831 1600 887 0 49 433 1004 0 63 556 1103 0 76 678 1190 0 90 800 1269 1 04 922 1700 927 0 57 502 1040 0 71 633 1137 0 86 763 1223 1 00 892 1302 1 15 1022 1800 967 0 65 579 1077 0 81 718 1172 0 96 856 1257 1 12 993 1334 1 27 1130 1900 1007 0 75 663 1115 0 91 811 1208 1 08 957 1291 1 24 1101 1368 1 40 1246 2000 1048 0 85 757 1153 1 03 913 1244 1 20 1066 1326 1 37 1219 1401 1 54 1371 2100 1090 0 97 859 1191 1 15 1023 1281 1 33 1185 1361 1 51 1345 1435 1 69 1505 2200 1131 1 09 970 12830 1 20 1143 1318 1 48 1313 1397 1 67 1481 1470 1 86 1649 2300 1173 1 28 1091 1269 1 43 1273 1355 1 63 1451 1433 1 83 1627 1505 2 03 1803 2400 1215 1 88 1223 1309 1 59 1413 1393 1 80 1600 1470 2 01 1784 1540 221 1967 2500 1258 1 54 1365 1349 1 76 1564 1431 1 98 1759 1506 2 20 1951 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 1312 1 07 948 1380 1 20 1067 1445 1 34 1189 1506 1 48 1312 1564
19. 1 73 1537 1537 1 90 1686 1600 2 06 1833 1660 2 23 1977 1718 2 38 2118 2100 1502 1 89 1681 1568 2 07 1840 1631 225 1996 1690 242 2149 1747 2 59 2300 2200 1535 2 06 1834 1600 2 25 2002 1662 2 44 2167 1721 2 62 2330 1778 2 80 2490 2300 1569 2 25 1996 1633 2 45 2174 1694 2 64 2348 1752 2 84 2520 2400 1603 2 44 2167 1666 2 65 2355 1727 2 86 2539 2500 1638 2 64 2349 1700 2 87 2546 2600 1673 2 86 2541 2700 2800 2900 3000 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 90 3 See general fan performance notes Table 25 Fan Performance 581B 024 Horizontal Discharge Units Standard Motor Belt Drive Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1300 to 1685 rpm Al EXTERNAL STATIC PRESSURE in wg PER 0 1 02 0 4 0 6 0 8 1 0 Rpm Bhp Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 600 490 008 521 0 08 597 0 14 703 0 21 788 0 29 868 0 37 700 519 009 557 009 623 0 16 729 0 24 816 0 32 892 0 41 800 537 010 582 012 650 019 751 0 27 845 037 927 0 47 900 560 0 18 610 014 681 0 22 783 0 32 870 0 42 947 0 53 1000 589 0 15 640 0 16 707 026 808 0 36 894 0 47 971 0 58 34 other rpms require field suppli
20. SJA m SH v6 81 02 ssl ON 80 L 29 6 809 bly 09 09 suoi 9 090 18 ZL 02 v2 Ss dis v8 vL 02 Lvl ON 261 9 Ob 9 9 En 281 0 S 906 ON 1 9 281 09 02 802 m m Ste FR 2 90 m 891 82 6 82 ON 012 8v 09 Los SJA 9 181 09 1 062 802 me 24 is rs D 9 9 90 L 691 892 5 9 L SL ZEL IpiunH 19 T SL OLL ON 19 160 vo t payed ss 5 81 SAA oz gt v9 ze9 sis SH 09 lt 5 29 0L SL OL ON leo vo Le 21 SL SJA m ag Sv 0L SL ON OL L SL LL S3A Se Em 89 LL SL v 49 v9 808 viv 09 09 suoi v 870 95 L SL SJA zz dis bs 0L SL 9 0L ON 62 Se vez SJA e Set c og vec ON e6 281 09 062 802 LLL 22 S lt 82 m 99 0 ais 901 zz 0 ON 05 21 SAA f f 181 09 L 0 2 802 at ES od 90 L 5 vS 0L SL voL ipiunH 29 8 OL 8 ON me 60 100 p p d vy 0 81 86 SJA oz le zv ze9 sis SH 09 5 lt 8 OL LL ON leo vo 9 6 SL L6 SJA m aig 9 2 0L 92 ON 9 21 SL LaL SJA EN Em 09 8 5 26 ON 0 vo Vs 805 viv 09 09 8001 960 8b LL SL zz dis 6 SL 06 ON 0 lt 2 SJA e 021 6L 92 vt ON i m 1 284 09 082 802 96 0 bz SJA 30 29 24 ais 06 gh Gc ON 901 og SE 916 53 f f vs 09
21. Terminal Marked not to represent wiring Terminal Unmarked Terminal Block C06147 Fig 66 Typical Wiring Schematic and Component Arrangement 208 230 3 60 Shown 54 TROUBLESHOOTING Unit Troubleshooting Refer to Tables 39 43 for unit troubleshooting details IV Troubleshooting See Table 44 for EconoMif er IV logic A functional view of the EconoMi er IV is shown in Fig 60 Typical settings sensor ranges and jumper positions are also shown EconoMi er IV simulator program is available from your Bryant distributor to help with EconoMi er IV training and troubleshooting Economi er IV Preparation This procedure is used to prepare the EconoMi er IV for troubleshooting No troubleshooting or testing is done by performing the following procedure NOTE This procedure requires a 9 v battery 1 2 kilo ohm resistor and a 5 6 kilo ohm resistor which are not supplied with the EconoMi er IV IMPORTANT Be sure to record the positions of all potentiometers before starting troubleshooting 1 Disconnect power at TR and TRI All LEDs should be off Exhaust fan contacts should be open 2 Disconnect device at P and P1 Jumper P to 1 4 Disconnect wires at T and T1 Place 5 6 kilo ohm resistor across T and T1 5 Jumper TR to 1 6 Jumper to 7 If connected remove sensor from terminals So and Connect 1 2 kilo ohm 4074EJM checkout resistor across terminals So and 4 8
22. and low pressure ports c Cut component connection tubing with a tubing cutter and remove the component from the unit d Carefully unsweat the remaining tubing stubs when necessary Oil can ignite when exposed to a torch flame Proceed as follows to inspect and prepare the unit for initial start up 1 Remove all access panels 2 Read and follow instructions on all WARNING c Make sure that condensate drain trap is filled with water to ensure proper drainage d Make sure that all tools and miscellaneous loose parts have been removed START UP Unit Preparation Make sure that the unit has been installed in accordance with installation instructions and applicable codes Gas Piping Check gas piping for leaks A WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause personal injury or death Disconnect gas piping from unit when leak testing at pressure greater than 1 2 psig Pressures greater than 1 2 psig will cause gas valve damage resulting in hazardous condition If gas valve is subjected to pressure greater than 1 2 psig it must be replaced before use When pressure testing field supplied gas piping at pressures of psig or less a unit connected to such piping must be isolated by manually closing the gas valve Return Air Filters Make sure the correct filters are installed in the unit See Table 1 or 2 Do not operate the unit without return air filters Outdoor Air Inl
23. e 777 N A OUTDOOR AIR 51 SENSOR 82 THERMOSTAT DIPSWITCH SETTINGS Orr FP B D LEGEND Field Wiring NOTE Underlined letter indicates active thermostat output when configured for A C operation 06008 Fig 13 Low Voltage Connections With or Without Economizer or Two Position Damper 13 TO COMP BLk Ar 47 BU e FIELD POWER SUPPLY DISCONNECT 1 FIELD POWER SUPPLY 1 SIZES 5818060 072 _ PERNEC_ 1 575 3 60 SIZES 581B036 048 _ PERNEC 581 036 048 TB2 06346 LOW VOLTAGE INTEGRATED GAS UNIT CONNECTIONS CONTROLLER 06125 Fig 14 Field Control Wiring 4 JexeaJq HOVH 10 9Sn4 xx SjueuieJinbej 1sneuxe 10 ejqei 1sneuxe amod Beg 1 JOU op ejqei SIY peisl OYL x SALON peo vH 1030 Uey JOOPINO W40 OAN dOOW YON YHT pue Buiuonipuoo HOVH
24. the IGC will be reset resulting in a loss of fault history and the evaporator fan on off times delay will be reset During servicing refer to the label on the control box cover or Table 39 for an explanation of LED error code descriptions If lockout occurs unit may be reset by interrupting power supply to unit for at least 5 seconds Table 38 LED Error Code Description LED INDICATION ERROR CODE DESCRIPTION ON Normal Operation OFF Hardware Failure 1 Flasht Evaporator Fan On Off Delay Modified 2 Flashes Limit Switch Fault 3 Flashes Flame Sense Fault 4 Flashes 4 Consecutive Limit Switch Faults 5 Flashes Ignition Lockout Fault 6 Flashes Induced Draft Motor Fault 7 Flashes Rollout Switch Fault 8 Flashes Internal Control Fault 9 Flashes Software Lockout LEGEND LED Light Emitting Diode 3 second pause exists between LED error code flashes If more than one error code exists all applicable codes will be displayed in numeri cal sequence TIndicates a code that is not an error The unit will continue to operate when this code is displayed IMPORTANT Refer to Troubleshooting Tables for additional information Step 14 Main Burners At the beginning of each heating season inspect for deterioration or blockage due to corrosion or other causes Observe the main burner flames and adjust if necessary CAUTION FURNACE DAMAGE HAZARD Failure to follow thi
25. wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 567 0 15 145 688 0 22 222 786 0 30 296 871 0 37 368 947 0 44 437 1000 599 0 18 177 717 0 27 265 814 0 35 349 897 0 43 430 972 0 51 509 1100 632 0 22 215 747 0 31 313 842 0 41 407 925 0 50 498 999 0 59 587 1200 666 0 26 257 778 0 37 367 871 0 47 471 952 0 57 572 1025 0 67 670 1300 701 0 31 306 810 0 43 426 901 0 54 540 981 0 65 651 1053 0 76 760 1400 737 0 36 361 842 0 49 491 931 0 62 616 1010 0 74 738 1081 0 86 856 1500 773 0 42 422 875 0 57 564 963 0 70 699 1040 0 84 831 1110 0 96 960 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 1016 0 51 505 1080 0 57 572 1139 0 64 637 1195 0 71 702 1249 0 77 765 1000 1041 0 59 587 1104 0 67 662 1163 0 74 737 1219 0 81 811 1272 0 89 883 1100 1066 0 68 674 1129 0 76 759 1188 0 85 843 1243 0 93 925 1296 1 01 1007 1200 1093 077 767 1155 0 87 861 1213 0 96 955 1268 1 05 1047 1321 1 14 1137 1300 1119 0 87 866 1181 0 98 970 1239 1 08 1073 1294 1 18 1175 1400 1147 0 98 972 1208 1 09 1086 1500 1175 1 09 1086 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous
26. 1 2 802 en ue an 90 88 9L 2 ais Zu val vid d OW VOW vid ALO val viu ALO Nl 3215 LINN 8215 193NNOOSIG y AIddfiS Ei 2109508188 9185 eorn op1 r 9 mer 581B C Step 8 Adjust Factory Installed Options Perfect Humidity Adaptive Dehumidification System Perfect Humidity system operation can be controlled by field installation of a Bryant approved humidistat See Fig 15 NOTE A light commercial Thermidistat device Fig 16 can be used instead of the humidistat if desired The Thermidistat device includes a thermostat and a humidistat The humidistat is normally used in applications where a temperature sensor is already provided C06358 Fig 15 Accessory Field Installed Humidistat C06359 Fig 16 Light Commercial Thermidistat Device To install the humidistat 1 Route humidistat cable through hole provided in unit control box 2 Some models may be equipped with a raceway built into the corner post located on the left side of control box See Fig 14 This raceway provides the required clearance between high voltage and low voltage wiring For models without a raceway ensure to provide the NEC required clearance between the high voltage and low voltage wiring
27. 1173 1200 1089 0 84 837 1153 0 98 974 1213 112 1115 1300 1113 0 92 915 1177 1 06 1058 1400 1138 1 01 1000 1201 1 15 1149 1500 1163 1 10 1092 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 1 20 3 See general fan performance notes Table 27 Fan Performance 581B 036 581C 036 Horizontal Discharge Units High Static Motor Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 680 to 1044 rpm All other rpms require field supplied drive Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 553 0 14 134 681 0 22 221 782 0 32 316 870 042 417 948 0 53 526 1000 582 0 16 163 707 0 226 257 807 0 36 358 894 0 47 466 971 0 58 580 1100 612 0 20 196 734 0 30 297 833 0 41 405 919 0 52 519 995 0 64 639 1200 643 023 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 0 71 705 1300 675 028 277 790 040 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 045 452 913 0 58 581 996 0 72 716 1070 0 86 855 1500 740 038 382 849 0 52 5
28. 1470 1 73 1537 1537 1 90 1686 1600 2 06 1833 1660 2 23 1977 1718 2 38 2118 2100 1502 1 89 1681 1568 2 07 1840 1631 2 25 1996 2200 1535 2 06 1834 1600 2 25 2002 2300 1569 2 25 1996 2400 2500 2600 2700 2800 2900 3000 NOTES LEGEND 1 Grey cells indicate field supplied drive is required Bhp Brake Horsepower 2 Maximum continuous bhp is 2 40 Watts Input Watts to Motor 3 See general fan performance notes Motor drive range 1119 to 1585 rpm All other roms require field supplied drive 33 581B C Table 24 Fan Performance 581C 072 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 967 0 63 563 1075 0 80 715 1170 0 97 861 1255 1 13 1002 1333 1 28 1139 1900 1008 0 72 643 1112 0 91 805 1205 1 08 960 1289 1 25
29. 16 2 CRBTMPWROOSAOT 551 406 44 5 12 3 4 19 ng 7 2 7 3 4 NOTES 19 NPT UA 131 7 Roof curb accessory is shipped disassembled Insulated panels Dimensions in millimeters Roof curb galvanized steel Attach ductwork to curb flanges of duct rest on curb Service clearance 4 ft on each side E Direction of airflow Connector packages CRBTMPWR001A01 and 002A01 are for thru the curb type gas Packages CRBTMPWRO003A01 and 004A01 are for thru the bottom type gas connections NAIL TYPICAL 4 SIDES D GASKET SUPPLIED WITH CURB 07 3 0 7 16 COUNTER FLASHING FIELD SUPPLIED ROOFING FELT dm a FIELD SUPPLIED M CANT STRIP E FIELD SUPPLIED ROOF ING MATERIAL FIELD SUPPLIED ANS p 4 07 0 7 16 RIGID INSULATION x FIELD SUPPLIED 111 17 7 13 16 171 1 8 0 0 7 16 BOLT HEADS 504 334 n 4 0 3 BOLT HEADS 7 SECTION C C SCALE 1 4 761 07 0 7 16 7 0 7 16 OPENING FOR BASEPAN ENTRY 11 914 ti A 2 SERVICE SEE NOTE 8 A BOLT HEADS BOLT HEADS 4 04 2 172 a a a P SEE NOTE 2 a a a a a GAS SERVICE t PLAT SEE NOTE 8 427 07 4 9 16 CINSIDE ree 1 INSIDE 4 07 7 1 16 ls 1791 SUPPLY AIR gt CINS IDES Sy Ld VIEW
30. 2 3 8 HEAD OF BOLT TO ON 1611 2 INSIDE OF FLANGE lt gt 57 7 1 8 117051 NOTE CAMBRIDGEPORT SURE LOCK CORNER FASTENING DEVICE IS ACCEPTABLE ALTERNATE CONSTRUCTION VIEW B ALL CORNERS SEE VIEW 06345 Fig 2 Roof Curb Details 581B C MAXIMUM ALLOWABLE DIFFERENCE in AB AC 05 C06110 Fig 3 Unit Leveling Tolerances Be sure that unit is installed such that snow will not block the combustion intake or flue outlet Unit may be installed directly on wood flooring or on Class A B or C roof covering material when roof curb is used Although unit is weatherproof guard against water from higher level runoff and overhangs Locate mechanical draft system flue assembly at least 48 in from an adjacent building or combustible material When unit is located adjacent to public walkways flue assembly must be at least 7 ft above grade NOTE When unit is equipped with an accessory flue discharge deflector allowable clearance is 18 inches Flue gas can deteriorate building materials Orient unit such that flue gas will not affect building materials Adequate combustion air space must be provided for proper operation of this equipment Be sure that installation complies with all local codes and Section 5 3 Air for Combustion and Ventilation NFGC National Fuel Gas Code ANSI American National Standards Institute Z223 1 1984 and addendum Z22
31. 28 1137 1900 2000 2100 2200 2300 2400 2500 NOTES LEGEND 1 Grey cells indicate field supplied drive is required Bhp Brake Horsepower 2 Maximum continuous bhp is 1 30 Watts Input Watts to Motor 3 See general fan performance notes Motor drive range 1035 to 1460 rpm All other roms require field supplied drive 37 581B C Table 31 Fan Performance 581B 060 581C 060 Three Phase Horizontal Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 800 0 39 350 904 0 49 438 999 0 60 535 1087 072 640 1169 0 85 753 1600 839 0 46 412 938 0 57 505 1030 O 68 605 1115 0 80 714 1195 0 93 829 1700 879 0 54 483 974 0 65 580 1062 0 77 684 1144 0 90 796 1221 1 03 914 1800 919 0 63 561 1010 0 75 663 1095 0 87 771 1174 1 00 886 1250 1 14 1008 1900 960 0 73 648 1047 0 85 754 1129 0 98 867 120
32. 800 5480 d E c 9 2 S 75 0 5 i 4980 70 0 65 0 448 0 42 52 62 72 Suction Line Temp deg F Fig 59 Cooling Charging Chart Standard 581C 024 581C 3 TON CHARGING CHART us 4 95 3 Suction Line Temperature deg 6 1 11 1 16 1 Suction Line Pressure psig 648 2 598 2 548 2 65 0 4 Suction Line Temp deg F 21 1 73 78 95 0 85 0 75 0 3 48 53 58 63 68 498 2 448 2 Suction Line Pressure kpa Fig 60 Cooling Charging Chart Standard 581C 036 C06148 C06149 581C 4 TON CHARGING CHART Suction Line Temperature deg C Suction Line Pressure psig 115 0 105 0 95 0 85 0 75 0 65 0 55 0 410 0 42 47 52 57 62 67 72 Suction Line Temp deg 310 0 77 5 6 10 6 15 6 20 6 25 6 692 0 97 0 E x o 642 0 5 5 o o 870 n n 592 0 2 I 3 5 5 8 77 0 5 a 542 0 2 67 0 492 0 42 47 52 57 62 67 72 77 Suction Line Temp deg F Fig 61 Cooling Charging Chart Standard 581C 048 581C 5 TON CHARGING CHART 4 o5 35 85 29 Suction Line Temperature deg PO 0 0 5 0 10 0 15 0 20 0 25 0 Suction Line Pressure kpa Fig 62 Cooling Charging Chart Standard 581C 060 51 C06150 C06151 581B C Step 11 Combustion Air Blower Clean periodically to ensure proper airflow
33. Condenser Fan Adjustment Step 4 IV Adjustment Refer to Optional EconoMi er IV section Step 5 Evaporator Fan Belt Inspection Check condition of evaporator belt or tension during heating and cooling inspections or as conditions require Replace belt or adjust as necessary Step 6 High Pressure Switch The high pressure switch contains a Schrader core depressor and is located on the compressor hot gas line This switch opens at 428 psig and closes at 320 psig No adjustments are necessary Step 7 Loss of Charge Switch The loss of charge switch contains a Schrader core depressor and is located on the compressor liquid line This switch opens at 7 psig and closes at 22 psig No adjustments are necessary Step 8 Freeze Stat The freeze stat is a bimetal temperature sensing switch that is located on the hair pin end of the evaporator coil The switch protects the evaporator coil from freeze up due to lack of airflow The switch opens at 30 F and closes at 45 F No adjustments are necessary Step 9 Refrigerant Charge Amount of refrigerant charge is listed on unit nameplate also refer to Table 1 Refer to HVAC Servicing Procedures literature available at your local distributor and the following procedures Unit panels must be in place when unit is operating during charging procedure Unit must operate a minimum of 10 minutes before checking or adjusting refrigerant charge An accurate super
34. Pressure Switch LS Limit Switch MGV Main Gas Valve EQUIP GND Pr 1 BLUT 12 YEL IFC BLK 114 HZD 004 005 HI STATIC BLK YEL IFM 2 YEL Fo BRN Ex YEL 10M BLK 230 28 BLU CUA ran 659 CC RED BLK BRN HI STATIC UNITS VEL ORN BLU RS RN LoD FLAME SEN 1 O GRN YEL i GROUNDED THRU STANDOFF I BRN BRN BRN HPS FPT LPS WHT GRA F J 2 1 101909 BRN BRN NOTES 1 If any of the original wire furnished must be replaced it must be replaced with type 90 C wire or its equivalent 2 Three phase motors are protected under primary single phasing conditions 3 Use copper conductors only 4 TRAN is wired for 230 v unit If unit is to be run with 208 v power supply disconnect BLK wire from 230 v tap ORN and connect to 208 v tap RED Insulate end of 230 v tap LEGEND Outdoor Condenser Fan Motor Overload Relay Splice Plug Plug Assembly i Quadruple Terminal ae Splice Marke Rollout Switch Factory Wiring Supply Air Temperature Sensor Transformer Field Control Wiring Field Splice emm Field Power Wiring Marked Wire Accessory or Optional Wiring eee indicate common potential only
35. Put 620 ohm resistor across terminals Sp and 9 Set minimum position DCV set point and exhaust potentiometers fully CCW counterclockwise 10 Set DCV maximum position potentiometer fully CW clockwise 11 Set enthalpy potentiometer to D 12 Apply power 24 vac to terminals TR and TR1 Differential Enthalpy To check differential enthalpy 1 Make sure IV preparation procedure has been performed 2 Place 620 ohm resistor across So and 3 Place 1 2 kilo ohm resistor across Sg and The Free Cool LED should be lit 4 Remove 620 ohm resistor across So and The Free Cool LED should turn off 5 Return EconoMi er IV settings and wiring to normal after completing troubleshooting Single Enthalpy To check single enthalpy 1 Make sure IV preparation procedure has been performed 2 Set the enthalpy potentiometer to A fully CCW The Free Cool LED should be lit 3 Set the enthalpy potentiometer to D fully CW The Free Cool LED should turn off 4 Return EconoMi er IV settings and wiring to normal after completing troubleshooting DCV Demand Controlled Ventilation and Power Exhaust To check DCV and Power Exhaust 1 Make sure IV preparation procedure has been performed 2 Ensure terminals AO and AQ1 are open The LED for both DCV and Exhaust should be off The actuator should be fully closed 3 Connect 9 v battery to AQ positive node and
36. T1 10 Remove jumper from P to P1 Reconnect device at P and 1 11 Apply power 24 vac to terminals TR and 1 Table 39 LED Error Code Service Analysis SYMPTOM CAUSE REMEDY Hardware Failure Loss of power to control module IGC Check 5 amp fuse on IGC power to unit 24 v circuit breaker and LED OFF transformer Units without a 24 v circuit breaker have an internal overload in the 24 v transformer If the overload trips allow 10 minutes for automatic reset Fan ON OFF Delay Modified High limit switch opens during heat Ensure unit is fired on rate and temperature rise is correct exchanger warm up period before fan on LED FLASH delay expires Limit switch opens within three minutes after blower off delay timing in Heating mode Ensure units external static pressure is within application guide lines Limit Switch Fault LED 2 Flashes High temperature limit switch is open Check the operation of the indoor evaporator fan motor Ensure that the supply air temperature rise is in accordance with the range on the unit nameplate Flame Sense Fault LED 3 Flashes present The IGC sensed flame that should not be Reset unit If problem persists replace control board 4 Consecutive Limit Switch Faults LED 4 Flashes Inadequate airflow to unit Check operation of indoor evaporator fan motor and that supply air temperature rise agrees with range on unit nameplate inf
37. a B 1000 0 z 0 05 0 15 0 25 r r r 0 05 0 10 0 15 0 20 0 25 0 30 0 35 T STATIC PRESSURE in wg TE STATIC PRESSURE in wg C06030 C06032 Fig 30 Barometric Flow Capacity Fig 32 Return Air Pressure Drop E 30 5 57 078 ENTHALPY 25 SENSOR 20 i m2 15 Em 10 T 5 Li cee E MC MOUNTING PLATE z 0 13 0 20 0 22 0 25 0 30 0 35 0 40 0 45 0 50 a STATIC PRESSURE in wg C06031 Fig 31 Outdoor Air Damper Leakage C06361 Fig 33 Enthalpy Sensor and Mounting Plate 21 581B C SUPPLY AIR TEMPERATURE SENSOR MOUNTING LOCATION N SUPPLY AIR TEMPERATURE SENSOR B C06033 Fig 34 Supply Air Sensor Location EXHAUST FAN SET POINT n EXH LED LIGHTS WHEN EXHAUST Os CONTACT IS MADE MINIMUM DAMPER POSITION SETTING TE Jn MAXIMUM DAMPER E Open DEMAND CONTROL VENTILATION SET POINT pov LED LIGHTS WHEN Q DEMAND CONTROL VENTILATION INPUT PN IS ABOVE SET POINT Dev Tem DEMAND CONTROL d sO VENTILATION SET POINT se 2 5 B LED LIGHTS WHEN OUTDOOR AIR 15 SUITABLE FOR FREE COOLING ENTHALPY CHANGEOVER SET POINT 06034 Fig 35 IV Controller Potentiometer and LED Locations Indoor Air Quality AQ Sensor Input The IAQ input can be used
38. as necessary Gas input to unit too low Check gas pressure at manifold Clock gas meter for input If too low increase manifold pressure or replace with correct orifices Unit undersized for application Replace with proper unit or add additional unit Restricted airflow Clean filter replace filter or remove any restrictions Blower speed too low Use high speed tap increase fan speed or install optional blower as suitable for individual units Adjust pulley Limit switch cycles main burners Check rotation of blower thermostat heat anticipator settings and temperature rise of unit Adjust as needed Too much outdoor air Adjust minimum position Check economizer operation Poor Flame Characteristics Incomplete combustion lack of combustion air results in Aldehyde odors CO carbon monoxide sooting flame or floating flame Check all screws around flue outlets and burner compartment Tighten as nec essary Cracked heat exchanger Overfired unit reduce input change orifices or adjust gas line or manifold pressure Check vent for restriction Clean as necessary Check orifice to burner alignment Burners Will Not Turn Off Unit is locked into Heating mode for a one minute minimum Wait until mandatory one minute time period has elapsed or reset power to unit Table 41 Perfect Humidity Adaptive Dehumidification Syst
39. bhp is 1 20 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 680 to 1044 rpm All other rpms require field supplied drive Table 17 Fan Performance 581B 036 581C 036 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 567 0 15 145 688 0 22 222 786 0 30 296 871 0 37 368 947 0 44 437 1000 599 0 18 177 717 0 27 265 814 0 35 349 897 0 43 430 972 0 51 509 1100 632 0 22 215 747 0 31 313 842 0 41 407 925 0 50 498 999 0 59 587 1200 666 0 26 257 778 0 37 367 871 0 47 471 952 0 57 572 1025 0 67 670 1300 701 0 31 306 810 0 43 426 901 0 54 540 981 0 65 651 1053 0 76 760 1400 737 0 36 361 842 0 49 491 931 0 62 616 1010 0 74 738 1081 0 86 856 1500 773 0 42 422 875 0 57 564 963 0 70 699 1040 0 84 831 1110 0 96 960 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 1016 0 51 505 1080 0 57 572 1139 0 64 637 1195 0 71 702 1249 0 77 765 1000 1041 0 59 587 1104 0 67 662 1163 0 74 737 1219 0 81 811 1272 0 89 883 1100 1066 0 68 674 1129 0 76 759 1188 0 85 843 1243 0 93 925 1296 1 01 1007 1200
40. for demand control ventilation control based on the level of measured in the space or return air duct Mount the accessory IAQ sensor according to manufacturer specifications The IAQ sensor is wired to the AQ and AQ1 terminals of the controller Adjust the DCV potentiometers to correspond to the DCV voltage output of the indoor air quality sensor at the user determined set point See Fig 40 If a separate field supplied transformer is used to power the IAQ sensor the sensor must not be grounded or the EconoMi er IV control board will be damaged Exhaust Set Point Adjustment The exhaust set point will determine when the exhaust fan runs based on damper position if accessory power exhaust is installed The set point is modified with the Exhaust Fan Set Point EXH SET potentiometer See Fig 35 The set point represents the damper position above which the exhaust fans will be turned on When there is a call for exhaust the EconoMi er IV controller provides a 45 15 second delay before exhaust fan activation to allow the dampers to open This delay allows the damper to reach the appropriate position to avoid unnecessary fan overload Minimum Position Control There is a minimum damper position potentiometer on the EconoMi er IV controller See Fig 35 The minimum damper position maintains the minimum airflow into the building during the occupied period When using demand ventilation the minimum damper position represe
41. free cooling can be used as determined from the appropriate changeover command switch dry bulb enthalpy curve differential dry bulb or differential enthalpy a call for cooling Y1 closes at the thermostat will cause the control to modulate the dampers open to maintain the supply air temperature set point at 50 to 55 F As the supply air temperature drops below the set point range of 50 to 55 F the control will modulate the outdoor air dampers closed to maintain the proper supply air temperature 43 581B C Heating Units With Economi er IV When the room temperature calls for heat the heating controls are energized as described in the Heating Units Without Economizer section During the occupied mode whenever the indoor fan contactor is energized the economizer damper moves to the minimum position Units With Perfect Humidity Adaptive Dehumidification System Normal Design Operation When the rooftop operates under the normal sequence of operation the compressors will cycle to maintain indoor conditions See Fig 44 The Perfect Humidity adaptive dehumidification system includes a factory installed Motormaster amp low ambient control to keep the head and suction pressure high allowing normal design cooling mode operation down to 0 Subcooling Mode When subcooling mode is initiated this will energize close the liquid line solenoid valve LLSV forcing the hot liquid refrigerant to enter into t
42. in the normal manner 7 Secure inner and outer coil rows together with a field supplied fastener 8 Reposition the outer coil section and remove the coil corner post from between the top panel and center post Reinstall the coil corner post and replace all screws Condensate Drain Check and clean each year at the start of the cooling season In winter keep the drain dry or protect it against freeze up Filters Clean or replace at the start of each heating and cooling season or more often if operating conditions require it Replacement filters must be the same dimensions as the original filters Outdoor Air Inlet Screens Clean the screens with steam or hot water and a mild detergent Do not use disposable filters in place of screens Step 2 Lubrication Compressor The compressor is charged with the correct amount of oil at the factory Fan Motor Bearings Fan motor bearings are permanently lubricated No further lubrication is required No lubrication of condenser fan or evaporator fan motors is required Step 3 Condenser Fan Adjustment Shut off unit power supply Remove condenser fan assembly grille motor motor cover and fan and loosen fan hub setscrews Adjust fan height as shown in Fig 50 Tighten setscrews and replace condenser fan assembly UNIT FAN HEIGHT in A 024 060 and 072 208 230 v 2 75 072 460 v 3 50 C06138 Fig 50
43. l0V LOOHMdRIBN2 39VX2Vd 8055322 HLIM 581 on 561 oy ISN 0 038 S310H 35361 1H913M 34305 1H91JM YINYOD LHOTIM 31305 1 YINYOD 1HOIJM 3 d M 18 2 01108 0 9 8 N023 1834 248186 suorsuaumnq 090 220 2185 6 314 795909 NIVYG JLVSNIONOD 70151 3415 IHOT Y 40 MTS 11041 3015 1331 581 3oNvHOSIQ 331138 Olul3WOuvg 81 NUNLGY 1905 301910 2 0 WODI 19001 I vrl 9 969 1971 91 L 8 0 1229011 N 917 S E 91 11 6 0 91 41 1 2 016 G 0 51015 2081 304 2 891 a 929161 susc 9 1 22 41 0 16 i V 1NOZ 91 8 0 716 vite RU 114405 8 L Ol 1 riv 49 6 bok 0 l3NVd 55322 3019 9 1 340 NOOQNI 5 1102 835830802 1672591 9 91 11 15 2 E 3114 8 55322 838808 83114405 18012 3 1081802 5831111 318 504510 TINVd 55322 31114 15 3 83004 12011 43 INONO23 91 1 v 0 9L EL 01 0 WOIILYIA F7 trau 1 91 1 0 0 tou 1 161 8 6 0 0 2181 91 61 0 91 11 9 vl 0 19061 m 811 1906 330 91 8 0 91 1 0 1 91 1 0 11 2 11081 98 310N 335 AINO 2313 18VH2 L 83404 WO1108 335 TvINU31VM 9 183402 3008 2 YO 8 5597 YO GOOM NOUS
44. position of the outdoor air dampers will be controlled to provide free cooling using outdoor air When in this mode the LED next to the free cooling set point potentiometer will be on The changeover temperature set point is controlled by the free cooling set point potentiometer located on the control See Fig 35 The scale on the potentiometer is A B C and D See Fig 36 for the corresponding temperature changeover values Table 6 Economi er IV Sensor Usage ECONOMISER IV WITH OUTDOOR AIR APPLICATION DRY BULB SENSOR Accessories Required Outdoor Air None The outdoor air dry bulb sensor Dry Bulb is factory installed Differential Dry Bulb CRTEMPSNO002A00 Single Enthalpy 57 078 57 78 ifferential Enthalpy and CRENTDIFOO4A00 CO for DCV Control using a Wall Mounted 33ZCSENCO2 Sensor CO vd DCV 33ZCSENCO2t and CRCBDIOX005A00tt CO2 Sensor 33ZCASPCO2 CRENTDIF004A00 and CRTEMPSN002A00 accessories are used on many different base units As such these kits may contain parts that will not be needed for installation T 337 5 2 is an accessory CO sensor 33ZCASPCO2 is an accessory aspirator box required for duct mounted applications tt CRCBDIOX005A00 is an accessory that contains both 33ZCSENCO2 and 33ZCASPCO2 accessories Differential Dry Bulb Control For differential dry bulb control the standard outdoor dry bulb sensor is used i
45. the greater of DCV and supply air sensor signals between minimum position and either maximum position or fully open sup ply air signal 24 vac Occupied no power Unoccupied tttModulation is based on the greater of DCV and supply air sensor signals between closed and either maximum position DCV or fully open supply air sig nal Fig 67 EconoMi er IV Functional View 59 C06053 581B C START UP CHECKLIST Remove and Store in Job File PRELIMINARY INFORMATION MODEL NO SERIAL NO DATE TECHNICIAN PRE START UP insert checkmark in box as each item is completed VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT REMOVE ALL SHIPPING HOLDDOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS CHECK GAS PIPING FOR LEAKS CHECK THAT RETURN INDOOR AIR FILTERS ARE CLEAN AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR SHARP METAL EDGES CHECK PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS lil START UP ELE
46. there is a slight decrease in system total gross capacity 5 less a lower gross sensible capacity 20 less and a greatly increased latent capacity up to 40 more Hot Gas Reheat Mode When the humidity levels in the space require humidity control a hot gas solenoid valve specific to hot gas reheat mode only will open to bypass a portion of hot gas refrigerant around the condenser coil See Fig 46 This hot gas will mix with liquid refrigerant leaving the condenser coil and flow to subcooling reheat dehumidification coil Now the conditioned air coming off the evaporator will be cooled and dehumidified but will be warmed to neutral conditions 72 F to 75 F by the subcooling reheat dehumidification coil CONOENSER COIL CLOSED ET SUECOOLNG RE HEAT _ DEHUMIDIFICATION COIL suction COMPRESSOR LPS LOW PRESSURE SWITCH FIXED RESTRICTOR 4 ACUTROL DEVICE EQUALIZER EN OPEN LINE SOLENDIO VALVE C06135 Fig 44 Perfect Humidity Normal Design Cooling Operation CONDENSER COIL HG so op ALIE i a DISCHARGE 4 pone ENTERS 4 FIXED RESTRICTOR ACUTROL DEVICE zs LPS LOW PRESSURE SWITCH e J EQUALIZER LINE gt e OLE 2 THERMOSTATIC EXPANSION 7 CLOSED VALVE gt lt LLSV SLIQUID LINE SOLENOID VALVE OUTDOOR AI
47. 0 130 120 ADD CHARGE 110 100 90 LIGUID TEMPERATURE LEAVING CONDENSER DEG F 70 50 50 100 150 200 250 300 350 400 LIQUID PRESSURE LEAVING CONDENSER PSIG C06144 Fig 56 Cooling Charging Chart 581B 048 with Optional Perfect Humidity Adaptive Dehumidification System NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liquid line solenoid valve be energized The subcooling reheat dehumidification coil liquid line solenoid valve MUST be energized to use the charging charts and the outdoor motor speed controller jumpered to run the fan at full speed The charts reference a liquid pressure psig and temperature at a point between the condenser coil and the subcooling reheat dehumidification coil A tap is provided on the unit to measure liquid pressure entering the subcooling reheat dehumidification coil IMPORTANT The subcooling mode charging charts Fig 55 58 are to be used ONLY with units having the Perfect Humidity adaptive dehumidification system DO NOT use standard charge Fig 51 54 and 59 62 for units with Perfect Humidity system and DO NOT use Fig 55 58 for standard units 48 COOLING MODE CHARGING CHART 5 6OHZ CAPPLICABLE ONLY WHEN COIL IS IN SUBCOOLING MODE 2 OUTDOOR FAN MUST BE OPERATING
48. 0 Pulley Center Line Distance in 10 0 12 4 10 0 12 4 14 7 15 5 14 7 15 5 Speed Change per Full Turn of Std 65 70 75 95 Movable Pulley Flange rpm Hi Static 65 65 60 60 Movable Pulley Maximum Full Std 5 5 6 5 Turns from Closed Position Hi Static 6 6 5 5 Factory Setting Full Turns Open Std 3 3 3 3 Hi Static 31 2 31 5 31 5 31 5 Factory Speed Setting rpm Std 826 936 1248 1305 Hi Static 1233 1233 1396 1396 Fan Shaft Diameter at Pulley in 5 8 5 8 5 8 5 8 LEGEND Bhp Brake Horsepower 581B C Table 1 Physical Data 581B cont UNIT SIZE 581B 036 048 060 072 FURNACE SECTION Rollout Switch Cutout Temp F t 195 195 195 195 Burner Orifice Diameter in drill size Natural Gas Std 071 072 113 33 113 33 113 33 113 33 114 115 113 33 113 33 113 33 113 33 149 150 129 30 129 30 129 30 060N 102 38 102 38 102 38 090N 102 38 102 38 102 38 120N 116 32 116 32 Propane 071 072 089 43 089 43 089 43 089 43 114115 089 43 089 43 089 43 089 43 149 150 vu 102 38 102 38 104 39 060N 082 45 082 45 082 45 090N 082 45 082 45 082 45 120N 094 42 094 42 Thermostat Heat Anticipator Setting amps 208 230 460 v First Stage 14 14 14 14 Second Stage 14 14 14 14 Gas Input Btuh First Stage Second Stage 3 units 072 50 000 72 000 50 000 72
49. 00 115 000 150 120 000 150 000 120 000 150 000 120 000 150 000 07111 72 000 72 000 72 000 1141 115 000 115 000 115 000 1491 150 000 150 000 060N 60 000 60 000 60 000 090N 90 000 90 000 90 000 120N 120 000 120 000 Efficiency Steady State 072 82 82 82 82 115 80 81 81 81 150 80 80 80 071 82 82 82 114 80 81 81 149 80 80 O60N 80 80 80 090N 80 80 80 120N 80 80 Temperature Rise Range 072 15 45 15 45 15 45 15 45 115 55 85 35 65 35 65 35 65 150 Es 50 80 50 80 50 80 071 15 45 15 45 15 45 114 55 85 35 65 35 65 149 50 80 50 80 O60N 20 50 20 50 20 50 090N 30 60 30 60 30 60 120N 40 70 40 70 Manifold Pressure in wg Natural Gas Std 3 5 3 5 3 5 3 5 Propane AIttt 3 5 3 5 3 5 3 5 Maximum Static Pressure in wg 1 0 1 0 1 0 1 0 Field Gas Connection Size in 1 2 1 2 1 2 1 2 HIGH PRESSURE SWITCH psig Standard Compressor Internal Relief 450 50 Cutout 428 Reset Auto 320 LOSS OF CHARGE SWITCH LOW PRESSURE Liquid Line psig Cutout 7 3 Reset Auto 22 5 FREEZE PROTECTION THERMOSTAT Opens F 30 5 Closes F 45 5 OUTDOOR AIR INLET SCREENS Cleanable Screen quantity and size varies with option selected RETURN AIR FILTERS Throwaway Quantity Size in 2 16 x 25 x 2 4 16x 16x 2 LEGEND Bhp Brake Horsepower 60 000 and 72 000 Btuh heat input units have 2 burners 90 000
50. 000 50 000 72 000 50 000 72 000 115 82 000 115 000 82 000 115 000 82 000 115 000 82 000 115 000 150 120 000 150 000 120 000 150 000 120 000 150 000 07111 72 000 72 000 72 000 1141 115 000 115 000 115 000 1491 150 000 150 000 060N 60 000 60 000 60 000 090N 90 000 90 000 90 000 120N 120 000 120 000 Efficiency Steady State 072 82 82 82 82 115 80 81 81 81 150 80 80 80 071 82 82 82 114 80 81 81 149 80 80 O60N 80 80 80 090N 80 80 80 120N 80 80 Temperature Rise Range 072 15 45 15 45 15 45 15 45 115 55 85 35 65 35 65 35 65 150 Es 50 80 50 80 50 80 071 15 45 15 45 15 45 114 55 85 35 65 35 65 149 50 80 50 80 O60N 20 50 20 50 20 50 090N 30 60 30 60 30 60 120N 40 70 40 70 Manifold Pressure in wg Natural Gas Std 3 5 3 5 3 5 3 5 Propane AIttt 3 5 3 5 3 5 3 5 Maximum Static Pressure in wg 1 0 1 0 1 0 1 0 Field Gas Connection Size in 1 2 1 2 1 2 1 2 HIGH PRESSURE SWITCH psig Standard Compressor Internal Relief 450 50 Cutout 428 Reset Auto 320 LOSS OF CHARGE SWITCH LOW PRESSURE Liquid Line psig Cutout 7 3 Reset Auto 22 5 FREEZE PROTECTION THERMOSTAT Opens F 30 5 Closes F 45 5 OUTDOOR AIR INLET SCREENS Cleanable Screen quantity and size varies with option selected RETURN AIR FILTERS Throwaway Quantity Size in 2 16 x 25 x 2 4 16x 16x 2 LEGEND Bhp
51. 06027 Fig 28 Filter Installation The temperature sensor looks like an eyelet terminal with wires running to it The sensor is located in the crimp end and is sealed from moisture Outdoor Air Lockout Sensor The Economi er IV is equipped with an ambient temperature lockout switch located in the outdoor air stream which is used to lockout the compressors below a 42 F ambient temperature See Fig 23 19 581B C Economi er IV Control Modes Determine the EconoMi er IV control mode before set up of the control Some modes of operation may require different sensors See Table 6 The EconoMi er IV is supplied from the factory with a supply air temperature sensor and an outdoor air temperature sensor This allows for operation of the EconoMi er IV with outdoor air dry bulb changeover control Additional accessories can be added to allow for different types of changeover control and operation of the EconoMi er IV and unit Outdoor Dry Bulb Changeover The standard controller is shipped from the factory configured for outdoor dry bulb changeover control The outdoor air and supply air temperature sensors are included as standard For this control mode the outdoor temperature is compared to an adjustable set point selected on the control If the outdoor air temperature is above the set point the EconoMi er IV will adjust the outdoor air dampers to minimum position If the outdoor air temperature is below the set point the
52. 1 negative node The LED for both DCV and Exhaust should turn on The actuator should drive to between 90 and 95 open 4 Turn the Exhaust potentiometer CW until the Exhaust LED turns off The LED should turn off when the potentiometer is approximately 90 The actuator should remain in position 5 Turn the DCV set point potentiometer CW until the DCV LED turns off The DCV LED should turn off when the potentiometer is approximately 9v The actuator should drive fully closed 6 Turn the DCV and Exhaust potentiometers CCW until the Exhaust LED turns on The exhaust contacts will close 30 to 120 seconds after the Exhaust LED turns on 7 Return EconoMi er IV settings and wiring to normal after completing troubleshooting DCV Minimum and Maximum Position To check the DCV minimum and maximum position 1 Make sure IV preparation procedure has been performed 2 Connect 9 v battery to AQ positive node 1 negative node The DCV LED should turn on The actuator should drive to between 90 and 95 open 3 Turn the DCV Maximum Position potentiometer to midpoint The actuator should drive to between 20 and 80 open 4 Turn the DCV Maximum Position potentiometer to fully CCW The actuator should drive fully closed 5 Turn the Minimum Position potentiometer to midpoint The actuator should drive to between 20 and 80 open 6 Turn the Minimum Position Potentiometer fully CW The actuator should drive
53. 1 4 1100 Watts Input Total 180 180 320 320 CONDENSER COIL 3 8 in OD Enhanced Copper Tubes Aluminum Lanced Fins Rows Fins in 1 17 2 17 2 17 2 17 Total Face Area sq ft 14 6 16 5 16 5 21 3 EVAPORATOR COIL 3 8 in OD Enhanced Copper Tubes Aluminum Double Wavy Fins Standard Unit Rows Fins in 2 15 2 15 4 15 4 15 Total Face Area sq ft 5 5 5 5 5 5 7 3 Unit with Perfect Humidity Adaptive Dehumidification System Rows Fins in 1 17 2 17 2 17 2 17 Total Face Area sq ft 3 9 3 9 3 9 5 2 EVAPORATOR FAN Centrifugal Type Belt Drive Quantity Size in 1 10 x 10 1 10 x 10 1 10 10 1 10 x 10 Nominal Cfm 1200 1600 2000 2400 Maximum Continuous Bhp Std 1 20 1 20 1 30 2 40 2 40 Hi Static 2 40 2 40 2 90 2 90 Motor RPM Std 1620 1620 1725 1725 Hi Static 1725 1725 1725 1725 Motor Frame Size Std 48 48 48 56 56 Hi Static 56 56 56 56 Fan Rpm Range Std 680 1044 770 1185 1035 1460 1119 1585 Hi Static 1075 1455 1075 1455 1300 1685 1300 1685 Motor Bearing Type Ball Ball Ball Ball Maximum Fan Rpm 2100 2100 2100 2100 Motor Pulley Pitch Diameter A B in Std 1 9 2 9 1 9 2 0 2 4 3 4 2 4 3 4 Hi Static 2 8 3 8 2 8 3 8 3 4 4 4 3 4 3 4 Nominal Motor Shaft Diameter in Std 15 1 2 5 8 5 8 Hi Static 5 g 5 g 5 g 7 8 Fan Pulley Pitch Diameter Std 45 4 0 4 0 4 0 Hi Static 4 5 4 0 4 5 4 5 Belt Type Length Std 1 36 1 36 1 4 40 1 38 Hi Static 1 39 1 39 1 40 1 4
54. 1 62 1437 1600 1342 1 18 1047 1411 1 32 1173 1474 1 46 1300 1535 1 61 1429 1593 1 76 1560 1700 1374 1 30 1153 1441 1 45 1286 1505 1 60 1420 1565 1 75 1555 1622 1 91 1692 1800 1406 1 43 1268 1473 1 58 1407 1535 1 74 1548 1595 1 90 1690 1652 2 06 1833 1900 1438 1 57 1391 1504 1 73 1537 1567 1 90 1685 1626 2 06 1833 1682 2 23 1983 2000 1471 1 72 1523 1536 1 89 1677 1598 2 06 1831 1657 2 24 1986 2100 1504 1 87 1665 1569 2 06 1825 1630 2 24 1986 2200 1538 2 04 1816 1602 2 23 1984 2300 1572 2 23 1978 2400 2500 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1035 to 1460 rpm All other roms require field supplied drive Table 22 Fan Performance 581B 060 581C 060 Vertical Discharge Units High Static Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 848 0 42 371 9
55. 1002 1333 1 28 1139 1900 1008 0 72 643 1112 0 91 805 1205 1 08 960 1289 1 25 1111 1366 1 42 1258 2000 1049 0 82 731 1151 1 02 903 1241 1 20 1068 1323 1 38 1228 1399 1 56 1384 2100 1091 0 93 827 1189 1 14 1008 1278 1 33 1183 1358 1 52 1353 1433 1 71 1519 2200 1133 1 05 933 1229 1 26 1123 1315 1 47 1308 1393 1 67 1487 1467 1 87 1662 2300 1176 1 18 1047 1268 1 40 1247 1352 1 62 1441 1429 1 84 1630 1501 2 04 1815 2400 1218 1 32 1170 1308 1 55 1380 1390 1 78 1584 1466 2 01 1782 1537 223 1977 2500 1261 1 47 1304 1349 1 72 1523 1429 1 96 1736 1503 2 19 1945 2600 1305 1 63 1448 1390 189 1677 1468 214 1900 1540 238 2117 2700 1348 1 80 1602 1431 2 07 1841 1507 2 33 2073 2800 1392 1 99 1768 1472 2 27 2016 2900 1435 2 19 1945 3000 1479 2 40 2135 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1406 1 43 1273 1475 1 58 1403 1540 1 72 1531 1601 1 87 1657 1660 2 00 1780 1900 1438 1 58 1401 1505 1 73 1541 1569 1 89 1678 1630 2 04 1813 1689 2 19 1945 2000
56. 1093 0 77 767 1155 0 87 861 1213 0 96 955 1268 1 05 1047 1321 1 14 1137 1300 1119 0 87 866 1181 0 98 970 1239 1 08 1073 1294 1 18 1175 1346 1 28 1275 1400 1147 0 98 972 1208 1 09 1086 1265 1 21 1199 1320 1 32 1310 1371 1 43 1419 1500 1175 1 09 1086 1235 1 22 1209 1292 1 34 1332 1346 1 46 1452 1397 1 58 1572 NOTES LEGEND 1 Grey cells indicate field supplied drive is required Bhp Brake Horsepower 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Watts Input Watts to Motor Motor drive range 1075 to 1455 rpm All other rpms require field supplied drive 29 581B C Table 18 Fan Performance 581B 048 581C 048 Vertical Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 666 0 26 257 778 0 37 367 871 0 47 471 952 0 57 572 1025 0 67 670 1300 701 0 31 306 810 0 43 426 901 0 54 540 981 0 65 651 1053 0 76 760 1400 737 0 36 361 842 0 49 491 931 0 62 616 1010 0 74 738 1081 0 86 856 1500 778 0 42 422 875 0 57 564 963 0 70 699 1040 0 84 831 1110 0 96 960 1600 810 0 49 491 909 0 65 643
57. 1138 1107 1075 060 1685 1589 1557 1525 1493 1460 1428 1396 1364 1332 1300 072 1685 1589 1557 1525 1493 1460 1428 1396 1364 1332 1300 Approximate fan rpm shown high static motor drive Table 10 Evaporator Fan Motor Data Standard Motor UNIT MAXIMUM MAXIMUM MAXIMUM 581C PHASE CONTINUOUS BHP OPERATING WATTS AMP DRAW 024 Single 0 58 580 208 230 2 0 Single 1 20 1000 208 230 4 9 036 208 230 4 9 Three 1 20 1000 460 2 2 575 2 2 Single 1 20 1000 208 230 4 9 048 208 230 4 9 Three 1 20 1000 460 2 2 575 2 2 Single 1 30 1455 208 230 7 0 060 208 230 6 7 Three 2 40 2120 460 3 0 575 3 0 208 230 6 7 072 Three 2 40 2120 460 3 0 575 3 0 LEGEND Bhp Brake Horsepower Extensive motor and electrical testing on these units ensures that the full horsepower and watts range of the motors can be utilized with confidence Using the fan motors up to the ratings shown in this table will not result in nuisance tripping or premature motor failure Unit warranty will not be affected Table 11 Accessory Static Pressure CFM COMPONENT 600 800 1000 1250 1500 1750 2000 2250 2500 2750 3000 Vertical EconoMi er IV 0 010 0 020 0 035 0 045 0 065 0 080 0 120 0 145 0 175 0 220 0 255 Horizontal EconoMi er IV 0 100 0 125 0 150 0 180 0 225 0 275 Table 12 Evaporator Fan
58. 12 4 10 0 12 4 10 0 12 4 14 7 15 5 Speed Change per Full Turn of Std 60 65 70 75 Movable Pulley Flange rpm Hi Static 65 65 60 Movable Pulley Maximum Full Std 5 5 5 6 Turns from Closed Position Hi Static 6 6 5 Factory Setting Full Turns Open Std 3 3 3 3 Hi Static 31 2 31 2 31 2 Factory Speed Setting rpm Std 756 826 936 1248 Hi Static 1233 1233 1396 Fan Shaft Diameter at Pulley in 5 g 5 8 5 8 5 8 11 581B C Table 2 Physical Data 581C cont UNIT SIZE 581C 024 036 048 060 FURNACE SECTION Rollout Switch Cutout Temp F t 195 195 195 195 Burner Orifice Diameter in drill size Natural Gas Std 071 072 113 33 113 33 113 33 113 33 114 115 113 33 113 33 113 33 113 33 149 150 129 30 129 30 129 30 060N 102 38 102 38 102 38 090N 102 38 102 38 102 38 120N 116 32 116 32 Propane 071 072 089 43 089 43 089 43 089 43 114115 089 43 089 43 089 43 089 43 149 150 vu 102 38 102 38 104 39 060N 082 45 082 45 082 45 090N 082 45 082 45 082 45 120N 094 42 094 42 Thermostat Heat Anticipator Setting amps 208 230 460 v First Stage 14 14 14 14 Second Stage 14 14 14 14 Gas Input Btuh First Stage Second Stage 3 units 072 50 000 72 000 50 000 72 000 50 000 72 000 50 000 72 000 115 82 000 115 000 82 000 115 000 82 000 115 000 82 0
59. 1391 1308 1 78 1584 1377 2 01 1784 1443 224 1990 2500 1196 1 51 1345 1273 1 73 1538 1345 1 96 1738 1412 2 19 1945 1477 243 2157 2600 1238 1 69 1497 1312 1 91 1697 1382 2 14 1904 1448 2 38 2117 1511 2 63 2335 2700 1280 1 87 1660 1352 2 10 1867 1420 2 34 2081 1484 2 59 2300 1546 2 84 2526 2800 1322 2 07 1835 1392 2 31 2050 1458 2 56 2270 1521 2 81 2496 2900 1364 2 28 2023 1432 253 2245 1496 2 78 2472 3000 1406 2 50 2224 1472 2 76 2452 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1322 1 56 1382 1388 1 77 1568 1451 1 98 1762 1510 2 21 1962 1568 2 44 2169 1900 1351 1 68 1495 1416 1 90 1686 1477 2 12 1885 1536 2 35 2090 1593 2 59 2302 2000 1380 1 82 1617 1444 2 04 1814 1505 2 27 2017 1563 2 51 2227 1619 2 75 2443 2100 1411 1 97 1748 1473 2 20 1950 1533 2 43 2159 1590 2 67 2374 2200 1441 213 1890 1503 236 2097 1562 260 2311 1618 2 85 2532 2300 1473 2 30 2041 1533 2 54 2254 1591 2 79 2474 2400 1505 2 48 2203 1564 2 73 2422 2500 1537 2 68 2376 2600 1571 2 88 2560 2700 2800 2900 3000 5 LEGEND 1 Grey c
60. 15 941 0 66 653 1023 0 80 795 1096 0 95 941 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Bhp Watts Rpm Bhp Watts 900 1019 0 64 640 1084 0 76 760 1146 0 89 885 1203 1 02 1016 1258 1 16 1152 1000 1042 0 70 700 1107 0 83 825 1168 0 96 956 1225 1 10 1091 1279 1 24 1232 1100 1065 0 77 765 1130 O 90 896 1190 1 04 1032 1247 1 18 1173 1301 1 33 1319 1200 1089 0 84 837 1153 0 98 974 1213 1 12 1115 1270 1 27 1262 1324 1 42 1413 1300 1113 0 92 915 1177 1 06 1058 1237 1 21 1205 1293 1 36 1358 1347 1 52 1514 1400 1138 1 01 1000 1201 1 15 1149 1261 1 31 1303 1317 1 47 1461 1370 1 63 1623 1500 1163 1 10 1092 1226 1 25 1247 1285 1 41 1407 1341 1 58 1571 1394 1 75 1740 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1075 to 1455 rpm All other rpms require field supplied drive 35 581B C Table 28 Performance 581B 048 581C 048 Horizontal Discharge Units Standard Motor
61. 1700 1800 1900 2000 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 1 20 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 770 to 1185 rpm All other rpms require field supplied drive Table 29 Fan Performance 581B 048 581C 048 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 643 0 23 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 071 705 1300 675 0 28 277 790 0 40 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 0 45 452 913 0 58 581 996 0 72 716 1070 0 86 855 1500 740 0 38 382 849 0 52 515 941 0 66 653 1023 0 80 795 1096 0 95 941 1600 773 045 444 879 0 59 586 970 0 73 731 1050 0 88 880 1123 1 04 1034 1700 807 0 52 513 910 0 67 663 999 0 82 817 1078 0 98 973 1150 1 14 1134 1800 841 0 59 589 942 0 75 749 1029 0 91 910 1106 1 08 1074 1177 125 1242 1900 875 0 68 674 974 0 85 842 1059 1 02 1012 1135 1 19 1184 1205 1 37 1360 2000 910 0 77
62. 2 A MS ee ess Ni At n MIN 0 OR OPEN UNIT m 9 e INSTALLED Taq E _ Tao sensor 2v _ Tov o1 At 117 sutil sen 1 ll e E YEL MR e 50 SET n NOT USED ee 9 OT l ST RED SR FREE E FIELD ACCESSORY sell RAT ENTHALPY SENSOR 620 1 B e PEU 1 bp aes a b FIELD SPLICE pt E FIELD SPLICE 4 tu BRN lt RN ee ee or ust lt TAN 54 GRY ORG e TO PWR EXHAUST 12 ACCESSORY mor LEGEND Potentiometer Defaults Settings NOTES __ Power Exhaust Middle 1 620 ohm 1 watt 5 resistor should be removed only when using differential IAQ Indoor Air Guay Minimum Pos Fully Closed enthalpy or dry bulb LA Low Ambient Lockout Device DCV Max Middle 2 If a separate field supplied 24 v transformer is used for the IAQ sensor power OAT Outdoor Air Temperature DCV Set Middle supply it cannot have the secondary of the transformer grounded POT Potentiometer Enthalpy C Setting 3 For field installed remote minimum position POT remove black wire jumper RAT Return Air Temperature between P and P1 and set control minimum position POT to the minimum position 06028 Fig 29 EconoMi er IV Wiring 2500 5 6000 p gt 5000 2 2000 3 2 4000 1500 Im p 8000 SS 1000 gt 7 Be c 2000 Sa 500 gt
63. 3 Use a wire nut to connect humidistat cable into low voltage wiring as shown in Fig 17 To install Thermidistat device 1 Route Thermidistat cable through hole provided in unit control box 2 Some models may be equipped with a raceway built into the corner post located on the left side of control box See Fig 14 This raceway provides the required clearance between high voltage and low voltage wiring For models without a raceway ensure to provide the NEC required clearance between the high voltage and low voltage wiring 3 A field supplied relay must be installed between the Thermidistat and the Humidi Mizer circuit recommended relay HN61KK324 See Fig 18 The relay coil is connected between the DEHUM output and C common of the unit The relay controls thePerfect Humidity solenoid valve and must be wired between the Perfect Humidity fuse and the low pressure switch Refer to the installation instructions included with the Bryant Light Commercial Thermidistat device for more information Manual Outdoor Damper The outdoor air hood and screen are attached to the basepan at the bottom of the unit for shipping Assembly 1 Determine quantity of ventilation required for building Record amount for use in Step 8 2 Remove and save outdoor air opening panel and screws See Fig 19 3 Remove evaporator coil access panel Separate hood and Screen from basepan by removing the 4 screws securing them Save all screws
64. 3 1a 1987 In Canada installation must be in accordance with the CAN1 B149 1 and CAN1 B149 2 installation codes for gas burning appliances Flue vent discharge must have a minimum horizontal clearance of 4 ft from electric and gas meters gas regulators and gas relief equipment After unit is in position remove shipping materials and rigging skids Step 5 Install Flue Hood Flue hood is shipped screwed to the burner compartment access panel Remove from shipping location and using screws provided install flue hood in location shown in Fig 8 and 9 For units being installed in California Air Quality Management Districts which require NOx emissions of 40 nanograms joule or less a low NOx unit must be installed NOTE Low NOx units are available for 2 to 5 ton units CONDENSATE PAN SIDE VIEW HORIZONTAL DRAIN OUTLET DRAIN PEUG NOTE Drain plug is shown in factory installed position 06003 Fig 4 Condensate Drain Pan MINIMUM PITCH ONE IN PER 10 FT OF LINE TO ROOF DRAIN DRAIN PLUG NOTE Trap should be deep enough to offset maximum unit static difference A 4 in trap is recommended C06004 Fig 5 Condensate Drain Piping Details Step 6 Install Gas Piping Unit is equipped for use with type of gas shown on nameplate Refer to local building codes or in the absence of local codes to ANSI Z223 1 1984 and addendum Z223 1A 1987 entitled National Fuel Gas Code In Canada i
65. 36 1292 1 49 1480 1348 1 63 1622 1401 1 77 1762 1451 1 91 1901 1800 1262 1 48 1473 1321 1 64 1627 1376 1 79 1779 1428 1 94 1930 1479 2 09 2078 1900 1293 1 63 1620 1350 1 79 1784 1405 1 96 1946 1457 212 2106 1506 2 28 2265 2000 1323 179 1776 1380 1 96 1950 1434 2 13 2123 1486 2 31 2293 mE NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1075 to 1455 rpm All other roms require field supplied drive Table 20 Fan Performance 581B 060 581C 060 Single Phase Vertical Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 848 0 42 371 968 0 55 486 1069 0 68 600 1158 0 80 715 1238 0 94 831 1600 887 0 49 433 1004 0 63 55
66. 441 1 45 1286 1505 1 60 1420 1565 1 75 1555 1622 1 91 1692 1800 1406 1 43 1268 1473 1 58 1407 1535 1 74 1548 1595 1 90 1690 1652 2 06 1833 1900 1438 1 57 1891 1504 1 73 1537 1567 1 90 1685 1626 2 06 1833 1682 2 28 1983 2000 1471 1 72 1523 1536 1 89 1677 1598 2 06 1831 1657 2 24 1986 1713 241 2142 2100 1504 1 87 1665 1569 2 06 1825 1630 224 1986 1688 2 42 2149 1744 2 60 2312 2200 1538 2 04 1816 1602 2 23 1984 1663 242 2152 1720 2 61 2321 1775 2 81 2491 2300 1572 2 28 1978 1635 242 2153 1695 2 62 2328 1753 2 82 2504 2400 1607 2 42 2150 1669 263 2332 1729 283 2515 2500 1642 2 68 2333 1704 2 84 2523 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 90 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1300 to 1685 rpm All other roms require field supplied drive 32 Table 23 Fan Performance 581C 072 Vertical Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 967 0 63 563 1075 0 80 715 1170 0 97 861 1255 1 13
67. 58 1 27 1127 1236 1 47 1307 1308 1 68 1495 1377 1 90 1689 2300 1114 1 21 1074 1196 1 41 1254 1272 1 62 1440 1343 1 84 1634 1409 2 07 1834 2400 1155 1 36 1204 1234 1 57 1391 1308 1 78 1584 1377 2 01 1784 1443 2 24 1990 2500 1196 1 51 1345 1273 1 73 1538 1345 1 96 1738 1412 2 19 1945 2600 1238 1 69 1497 1312 1 91 1697 1382 2 14 1904 1448 2 38 2117 2700 1280 1 87 1660 1352 2 10 1867 1420 2 34 2081 2800 1322 2 07 1835 1392 2 31 2050 2900 1364 2 28 2023 3000 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 1322 1 56 1382 1388 1 77 1568 1451 1 98 1762 1510 2 21 1962 1900 1351 1 68 1495 1416 1 90 1686 1477 2 12 1885 1536 2 35 2090 m 2000 1380 1 82 1617 1444 2 04 1814 1505 2 27 2017 2100 1411 1 97 1748 1473 2 20 1950 2200 1441 2 13 1890 1503 2 36 2097 2300 1478 2 30 2041 2400 2500 2600 2700 2800 2900 3000 NOTES LEGEND 1 Grey cells indicate field sup
68. 581B036 072 581C024 060 SINGLE PACKAGE ROOFTOP HEATING COOLING STANDARD AND LOW NOx UNITS Installation Instructions TABLE OF CONTENTS Page SAFETY CONSIDERATIONS 1 INSTALLATION 1 Step 1 Provide Unit Support 2 ROOF CURB eelzeeee e eem neben moe 2 SLAB MOUNT Rege ped iege mace ee 2 ALTERNATE UNIT SUPPORT 2 Step 2 Field Fabricate Ductwork 2 Step 3 Install External Trap for Condensate Drain 2 Step 4 Rig and Place Unit 2 POSITIONING C As 2 Step 5 Install Flue Hood 4 Step 6 Install Gas Piping 4 Step 7 Make Electrical Connections 8 FIELD POWER SUPPLY 8 FIELD CONTROL 8 HEAT ANTICIPATOR SETTINGS 8 Step 8 Adjust Factory Installed Options 16 PERFECT HUMIDITY ADAPTIVE DEHUMIDIFICATION SYSTEM 16 MANUAL OUTDOOR AIR DAMPER 16 CONVENIENCE 16 OPTIONAL ECONOMISER IV 18 ECONOMISER IV STANDARD SENSORS 19 ECONOMISER IV CONTROL MODES 20 Step 9 Adjust Evaporator Fan Speed 25 5 41 wi
69. 6 1 11 986 1279 125 1111 2000 1001 0 84 744 1085 0 96 855 1163 1 09 972 1238 1 28 1095 1309 1 38 1224 2100 1043 0 96 850 1123 1 09 965 1199 1 22 1086 1271 1 37 1213 1340 1 52 1346 2200 1085 1 09 966 1162 1 22 1086 1235 1 36 1211 1305 1 51 1342 1372 1 67 1479 2300 1127 1 28 1092 1201 1 37 1217 1272 1 52 1347 1340 1 67 1482 1405 1 83 1623 2400 1169 1 38 1229 1241 1 53 1359 1310 1 68 1493 1375 1 84 1633 1439 2 00 1778 2500 1212 1 55 1378 1281 1 70 1513 1348 1 86 1652 1412 2 02 1796 1473 2 19 1945 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Bhp Watts Rpm Bhp Watts 1500 1247 0 98 873 1320 1 13 1002 1390 1 28 1137 1457 1 44 1280 1522 1 61 1430 1600 1270 1 07 952 1342 122 1083 1411 1 37 1221 1476 1 54 1365 1540 1 71 1517 1700 1295 1 17 1040 1365 1 32 1173 1432 1 48 1313 1497 1 64 1459 1559 1 82 1612 1800 1321 1 28 1137 1390 1 43 1273 1455 1 59 1415 1518 1 76 1563 1579 1 93 1718 1900 1348 1 40 1243 1415 1 56 1381 1479 1 72 1526 1541 1 89 1677 1601 2 06 1834 2000 1377 1 53 1359 1442 1 69 1500 1505 1 86 1648 1565 2 03 1801 1624 221 1961 2100 1406
70. 6 1 11 986 1279 125 1111 2000 1001 0 84 744 1085 0 96 855 1163 1 09 972 1288 1 28 1095 1309 1 38 1224 2100 1043 0 96 850 1123 1 09 965 1199 1 22 1086 1271 1 37 1213 1340 1 52 1346 2200 1085 1 09 966 1162 1 22 1086 1235 1 36 1211 1305 1 51 1342 1372 1 67 1479 2300 1127 1 28 1092 1201 1 37 1217 1272 1 52 1347 1340 1 67 1482 1405 1 83 1623 2400 1169 1 38 1229 1241 1 53 1359 1310 1 68 1493 1375 1 84 1633 1439 2 00 1778 2500 1212 1 55 1378 1281 1 70 1513 1348 1 86 1652 1412 2 02 1796 1473 219 1945 AIRFLOW EXTERNAL STATIC PRESSURE in wg 12 1 4 1 6 1 8 2 0 Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 1247 0 98 873 1320 1 13 1002 1390 1 28 1137 1457 1 44 1280 1522 1 61 1430 1600 1270 1 07 952 1342 1 22 1083 1411 1 37 1221 1476 1 54 1365 1540 171 1517 1700 1295 1 17 1040 1365 1 32 1173 1432 1 48 1313 1497 1 64 1459 1559 1 82 1612 1800 1321 1 28 1137 1390 1 43 1273 1455 1 59 1415 1518 1 76 1563 1579 1 93 1718 1900 1348 1 40 1243 1415 1 56 1381 1479 1 72 1526 1541 1 89 1677 1601 2 06 1834 2000 1377 1 53 1359 1442 1 69 1500 1505 1 86 1648 1565 2 03 1801 1624 221 1961 2100 1406 1 67 1485
71. 6 1103 0 76 678 1190 0 90 800 1269 1 04 922 1700 927 0 57 502 1040 0 71 633 1137 0 86 763 1223 1 00 892 1302 1 15 1022 1800 967 0 65 579 1077 0 81 718 1172 0 96 856 1257 1 12 993 1334 1 27 1130 1900 1007 0 75 663 1115 0 91 811 1208 1 08 957 1291 1 24 1101 2000 1048 0 85 757 1153 1 03 913 1244 1 20 1066 2100 1090 0 97 859 1191 1 15 1023 2200 1131 1 00 970 1230 1 20 1143 2300 1173 123 1091 2400 2500 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Bhp Watts 1500 1312 1 07 948 1380 1 20 1067 1600 1342 1 18 1047 1700 1374 1 30 1153 1800 1900 2000 2100 2200 2300 2400 2500 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 1 30 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1035 to 1460 rpm All other roms require field supplied drive 31 581B C Table 21 Fan Performance 581B 060 581C 060 Three Phase Vertical Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg
72. 68 0 55 486 1069 0 68 600 1158 0 80 715 1238 0 94 831 1600 887 0 49 433 1004 0 63 556 1103 0 76 678 1190 0 90 800 1269 1 04 922 1700 927 0 57 502 1040 0 71 633 1137 0 86 763 1223 1 00 892 1302 1 15 1022 1800 967 0 65 579 1077 0 81 718 1172 0 96 856 1257 1 12 993 1334 1 27 1130 1900 1007 0 75 663 1115 0 91 811 1208 1 08 957 1291 1 24 1101 1368 1 40 1246 2000 1048 0 85 757 1153 1 08 913 1244 1 20 1066 1326 1 37 1219 1401 1 54 1371 2100 1090 0 97 859 1191 1 15 1023 1281 1 33 1185 1361 1 51 1345 1435 1 69 1505 2200 1191 1 09 970 1230 1 29 1143 1318 1 48 1313 1397 1 67 1481 1470 1 86 1649 2300 1173 1 28 1091 1269 1 43 1273 1355 1 63 1451 1433 1 83 1627 1505 2 08 1803 2400 1215 1 88 1223 1309 1 59 1413 1393 1 80 1600 1470 2 01 1784 1540 2 21 1967 2500 1258 1 54 1965 1349 1 76 1564 1431 1 98 1759 1506 2 20 1951 1576 2 41 2142 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1500 1312 1 07 948 1380 1 20 1067 1445 1 34 1189 1506 1 48 1312 1564 1 62 1437 1600 1342 1 48 1047 1411 1 32 1173 1474 146 1300 1535 1 61 1429 1593 1 76 1560 1700 1374 130 1153 1
73. 7 871 0 47 471 952 0 57 572 1025 0 67 670 1300 701 0 31 306 810 0 43 426 901 0 54 540 981 0 65 651 1053 0 76 760 1400 737 0 36 361 842 0 49 491 931 0 62 616 1010 0 74 738 1081 0 86 856 1500 773 042 422 875 0 57 564 963 0 70 699 1040 0 84 831 1110 0 96 960 1600 810 0 49 491 909 0 65 643 994 0 79 790 1070 0 94 932 1140 1 08 1070 1700 847 0 57 567 943 0 73 730 1027 0 89 888 1101 1 05 1040 1170 1 20 1189 1800 885 0 66 652 978 0 83 826 1060 1 00 994 1133 1 16 1157 1200 1 32 1316 1900 923 0 75 745 1014 0 94 930 1093 1 11 1109 1165 1 29 1283 1231 1 46 1453 2000 962 0 85 847 1049 1 05 1043 1127 1 24 1233 1198 1 42 1417 1263 1 61 1598 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 1093 077 767 1155 0 87 861 1213 0 96 955 1268 1 05 1047 1321 1 14 1137 1300 1119 0 87 866 1181 0 98 970 1239 1 08 1073 1294 1 18 1175 1346 1 28 1275 1400 1147 0 98 972 1208 1 09 1086 1265 1 21 1199 1320 1 32 1310 1371 1 43 1419 1500 1175 1 09 1086 1235 1 22 1209 1292 1 34 1332 1346 1 46 1452 1397 1 58 1572 1600 1204 1 21 1207 1263 1 35 1340 1320 1 48 1472 1373 1 61 1603 1424 1 74 1732 1700 1233 1 34 13
74. 767 1006 0 95 944 1090 1 13 1122 1165 1 31 1302 1234 149 1485 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 1089 0 84 837 1153 0 98 974 1213 112 1115 1270 1 27 1262 1324 142 1413 1300 1113 0 92 915 1177 1 06 1058 1237 1 21 1205 1293 1 36 1358 1347 1 52 1514 1400 1138 1 01 1000 1201 1 15 1149 1261 1 31 1303 1317 1 47 1461 1370 1 63 1623 1500 1163 1 10 1092 1226 125 1247 1285 141 1407 1341 1 58 1571 1394 1 75 1740 1600 1189 1 20 1191 1252 1 36 1353 1310 1 53 1520 1365 1 70 1690 1418 1 87 1865 1700 1216 1 31 1299 1277 1 48 1468 1335 1 65 1640 1390 1 83 1817 1442 2 01 1998 1800 1242 1 42 1414 1303 1 60 1590 1361 1 78 1770 1415 1 96 1953 1467 215 2140 1900 1270 1 55 1538 1330 1 73 1721 1387 1 92 1908 1441 2 11 2098 1493 2 30 2292 2000 1297 1 68 1672 1357 1 87 1862 1414 2 07 2055 1467 2 26 2252 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1075 to 1455 rpm All other roms require field supplied drive 36
75. 812313 1 0 12 YINIOI _ 9L E 0 811 0 1 1 0 4 831807 11084 01109 335 861 107961 wP L 8 91 1 6 0 vig 0 Nvd3SVa NI L0 0v 019 3SVB 3 1 30 WOLLOG JHI MOI 9NIN34O NIVUG ABIL 15 0 4 2 01 1 2 1 9 1 SI ALIAVYD 30 431432 TWIILYIA JHL 78 TO 31VSN30NO 11 A m iisti SAINTO 1 TWIH3lVM 9NIN3A0 3008 2 YO 8 Y NO 0008 VIS qz d JAYN 80013 31811508402 NO Q311V1SN 38 SLINA L 256 114405 169 32NVV312 ON 53810038 30VOINHVE YO 12811 427 V gt ONY 9 796 SILON NI Q3lVIS SV 1102 1 838130405 381 803 32 8 312 JI 30 01143553 79 0350 SI NIVHO 31VSN30NO2 JLYNYILIY uz mmus MN JHL S3HONI QN3 NYNLIY ONY 14405 VlNOZINOH 5 uen DIN 834 NI 2v 3015 108110 32 3 GIGNNOYD 816 1 10 ONY STIVM 31342802 YO 32018 ONY LINN 338130 7 912 1102 1081N0 OV LIRA WIRT Jo gt X i V 38 NNOYIN LINNA NJJML t 22 4 1415 34 2r JOIS XOA 1001402 SLINN 433138 NOLLWY3d 7 1331 YISNIGNOD 834084 18055 Ol S3HONI 09 QV3HHIAO 3015 1 914 PUR IEEE TWNOILdO 51 32 8 312 031359 S S M3IA 49176 9Mll1 2 FHL 9NI1139 301 3 1 Y3HLO JHL S3HONI 21 JAIS INO S3HONI 96 HOT ULV
76. 834084 303 1102 835830409 74 NIVUO JLVSNIGNOD LAN vI v 71003 L 801 WYOMLING OL 32 8 312 HONI l 1V3H 21812313 HLIM SLINM 398 2510 1VINOZINOH NO S3HDNI 0 941 9 150 LON N3HM 532 3805 31811508802 01 01108 31805 CIVA3 d NOII2IOSIURf YO 53002 1 201 32 8 312 WAWININ G rv Eel S390V 955 9 well 1 NI 83 INONO23 803 0 TN 967 29716 41 COOH 1 3 23032018 1109793603005 KINO GUND 3008 ANOSSIDOV Ol GIHOVIIV 38 OL 210 7 58431113 3199504510 545114 319504510 Lum 1 55322 8371NNO23 831114 104 30 OTOIO 2 1 5 aIv 3015100 ALIAVYS 30 331832 2 SURLINITIIN NI 38 1 NI 580158301071 5 83 1N0NO23 3 15 3 83004 878 8 6 6 2 73215 3UIM NO 981083430 83804 803 V l L 80 6 83 113 193135 310N VIO 8 1 VIO L 310H 9NIUIM 1081802 01313 22 310H 1804 1010 3204 114405 YIMOd 16 VIG 2 310H 414405 YIMOd 01314 S VIO 8 6 53715 NOI123NNOD 200 1 7 821 8 1 1 100 2 22 91 mn 0501 91 6 G 21 gos aus Lecce dunt s 9v 91 6 6 su tor tis 53715 371 1110809 6 ver 310H 0 038 30v 3uHL SUC e aur E X 10
77. 994 0 79 790 1070 0 94 932 1140 1 08 1070 1700 847 0 57 567 943 0 73 730 1027 0 89 888 1101 1 05 1040 1170 1 20 1189 1800 885 0 66 652 978 0 83 826 1060 1 00 994 1133 1 16 1157 mr 1900 923 0 75 745 1014 0 94 930 1093 1 11 1109 2000 962 0 85 847 1049 1 05 1043 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 1093 077 767 1155 0 87 861 1213 0 96 955 1268 1 05 1047 1321 144 1137 1300 1119 0 87 866 1181 0 98 970 1239 1 08 1073 1294 1 18 1175 1400 1147 0 98 972 1208 1 09 1086 1500 1175 1 09 1086 1600 1700 1800 1900 2000 NOTES LEGEND 1 Grey cells indicate field supplied drive is required 2 Maximum continuous bhp is 2 40 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 770 to 1185 rpm All other rpms require field supplied drive 30 Table 19 Fan Performance 581B 048 581C 048 Vertical Discharge Units High Static Motor Belt Drive EXTERNAL STATIC PRESSURE in wg AIRFLOW 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1200 666 0 26 257 778 0 37 36
78. CTRICAL SUPPLY VOLTAGE L1 L2 L213 _ 1341 _ COMPRESSOR AMPS 11 I2 L3 INDOOR FAN AMPS L1 L2 x L3 TEMPERATURES OUTDOOR AIR TEMPERATURE _ DB RETURN AIR TEMPERATURE z DB _ WB COOLING SUPPLY AIR 2 DB _ HEATING SUPPLY AIR DB PRESSURES Cooling Mode GAS INLET PRESSURE IN WG GAS MANIFOLD __ IN WG HIGH FIRE REFRIGERANT SUCTION PSIG REFRIGERANT DISCHARGE PSIG VERIFY THAT 3 PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION IF THEY ARE NOT ROTATING IN CORRECT DIRECTION LOCKING COLLAR MUST BE RE TIGHTENED AFTER CORRECTING DIRECTION OF ROTATION VERIFY THAT 3 PHASE SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS 2007 Bryant Heating amp Cooling Systems 7310 W Morris St Indianapolis IN 46231 Printed in U S A Edition Date 2 07 Catalog No 8 36 1 anufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Replaces Il 5818 36 7
79. Coil Inspect coil monthly Clean condenser coil annually and as required by location and outdoor air conditions One Row Coils Wash coil with commercial coil cleaner It is not necessary to remove top panel 2 Row Coils Clean coil as follows 1 Turn off unit power tag disconnect 2 Remove top panel screws on condenser end of unit 3 Remove condenser coil corner post See Fig 47 To hold top panel open place coil corner post between top panel and center post See Fig 48 REMOVE REMOVE SCREWS SCREWS TOP REMOVE OUTDOOR CONTROL POST PANEL SCREWS CORNER POST REMOVE SCREWS COMPRESSOR ACCESS OUTDOOR REMOVE COIL PANEL COIL CORNER POST 06044 Fig 47 Cleaning Condenser Coil COIL CORNER CENTER BAFFLE TOP PANEL POST COMPRESSOR ACCESS PANEL OUTDOOR COIL C06045 Fig 48 Propping Up Top Panel 45 581B C TOP VIEW TOP PANEL CENTER BAFFL OUTDOOR INNER COIL SECTION OUTER COIL SECTION HAIRPIN END C06046 Fig 49 Separating Coil Sections 4 Remove screws securing coil to compressor plate and compressor access panel 5 Remove fastener holding coil sections together at return end of condenser coil Carefully separate the outer coil section 3 to 4 in from the inner coil section See Fig 49 6 Use a water hose or other suitable equipment to flush down between the 2 coil sections to remove dirt and debris Clean the outer surfaces with a stiff brush
80. HEAT 115 000 BTUH INPUT 150 000 BTUH INPUT 90 000BTUH INPUT AND 120 000 BTUH INPUT 181 IN 4 60 mm SPARK GAP MUST BE POSITIONED TO IGNITE ON FIRST TRY PLACE SPARK GAP WITHIN BURNER CIRCUMFERENCE AS SHOWN DETAIL E C06154 Fig 65 Spark Gap Adjustment 5 Reinstall burner rack as described above 1 Remove burner rack from unit as described above Step 15 Replacement Parts 2 Inspect burners and if dirty remove burners from rack A complete list of replacement parts may be obtained from any 3 Using a soft brush clean burners and cross over port as Bryant distributor upon request Refer to Fig 66 for a typical unit required 4 Adjust spark gap See Fig 65 wiring schematic 53 581B C SCHEMATIC oF 308 230 3 60 s BLK CLO A a ak BLK BLK BLK YEL see NOTE 3 BUG mmm YEL ve ve comp YEL ey YEL BLU FC ECONOMISER IV 9 10 0 4 20 CONTROLLER CONNECTION FOR ECONOMIZER FACTORY OR FIELD INSTALLED 8 EIS 55555 55 Contactor Compressor Capacitor CLO Compressor Lockout COMP Compressor Motor EQUIP Equipment FPT Freeze Up Protection Thermostat FU Fuse GND Ground HPS High Pressure Switch HS Hall Effect Sensor Ilgnitor IDM Induced Draft Motor IFC Indoor Fan Contactor Indoor Fan Motor IGC Integrated Gas Unit Controller LPS Low
81. HORIZONTAL SUPPLY DUCT OPENING COVER 06108 Fig 1 Horizontal Conversion Panels Step 1 Provide Unit Support Roof Curb Assemble and install accessory roof curb in accordance with instructions shipped with curb See Fig 2 Install insulation cant strips roofing felt and counter flashing as shown Ductwork must be attached to curb not to the unit If electric control power or gas service is to be routed through the basepan attach the accessory thru the bottom service connections to the basepan in accordance with the accessory installation instructions Connections must be installed before unit is set on roof curb IMPORTANT The gasketing of the unit to the roof curb is critical for a watertight seal Install gasket supplied with the roof curb as shown in Fig 2 Improperly applied gasket can result in air leaks and poor unit performance Curb should be level Unit leveling tolerances are shown in Fig 3 This is necessary for unit drain to function properly Refer to Accessory Roof Curb Installation Instructions for additional information as required Slab Mount Horizontal Units Only Provide a level concrete slab that extends a minimum of 6 in beyond unit cabinet Install a gravel apron in front of condenser coil air inlet to prevent grass and foliage from obstructing airflow NOTE Horizontal units may be installed on a roof curb if required Alternate Unit Support When the curb or adapter cannot be used suppor
82. Motor Data High Static Motors UNIT UNIT MAXIMUM MAXIMUM MAXIMUM 581B PHASE CONTINUOUS BHP OPERATING WATTS UNIT VOLTAGE AMP DRAW 208 230 6 7 036 Three 2 40 2120 460 3 0 575 3 0 208 230 6 7 048 Three 2 40 2120 460 3 0 575 3 0 208 230 8 6 060 Three 2 90 2615 460 3 9 575 3 9 208 230 8 6 072 Three 2 90 2615 460 3 9 575 3 9 LEGEND Bhp Brake Horsepower Extensive motor and electrical testing on these units ensures that the fu fan motors up to the ratings shown in this table will not result in nuisance tripping or premature motor failure Unit warranty will not be affected 27 horsepower and watts range of the motors can be utilized with confidence Using the 581B C Table 13 581B Outdoor Sound Power Total Unit ARI OCTAVE BANDS UNIT RATING decibels 63 125 250 500 1000 2000 4000 8000 036 048 76 55 9 66 0 64 0 66 2 68 4 64 5 61 7 57 3 060 072 80 59 1 68 9 68 7 71 9 74 0 68 9 65 7 59 0 LEGEND ARI Air Conditioning and Refrigeration Institute Table 14 581C Outdoor Sound Power Total Unit d UNA A OCTAVEBANDS UNIT decibels WEIGHTED db 63 125 250 500 1000 2000 4000 8000 024 048 76 76 55 9 66 0 64 0 66 2 68 4 64 5 61 7 57 3 060 80 80 59 1 68 9 68 7 71 9 74 0 68 9 65 7 59 0 GENERAL FAN PERFORMANCE NOTES 1 Values include losses for filters unit casing and wet coils See Table 11 and Fig 38 fo
83. R SUBCOOLING RE HEAT DEHUMIDIFICATI H EVAPORATOR COILS COMPRESSOR C06136 Fig 45 Perfect Humidity Subcooling Mode Operation OPEN HGSV HOT GAS SOLENOID VALVE oh OUTDOOR AIR SUBCOOLING RE HEAT H DEHUMIDIFICATION COIL 25 EVAPORATOR HEATER COIL COMPRESSOR FIXED RESTRICTOR pru ACUTROL DEVICE LOW PRESSURE SWITCH EQUALIZER 1 IND zi Pet 4 u dica lt THERMOSTATIC EXPANSION CLOSED VALVE trxv SL IGUID LINE SOLENOID VALVE 06137 Fig 46 Perfect Humidity Hot Gas Reheat Mode Operation See Table 37 for the Perfect Humidity adaptive dehumidification system sequence of operation 44 Table 37 Perfect Humidity Adaptive Dehumidification System Sequence of Operation and System Response Single Compressor Unit 581C 024 060 581B 036 072 THERMOSTAT INPUT ECONOMIZER FUNCTION 581B C UNIT OPERATION H Y1 Y2 OAT Economizer Set Point Economizer Comp 1 Subcooling Mode Hot Gas Reheat Mode Off Normal Operation On On On No Off On Yes No On On Off No Off On Yes No On On On Yes On On Yes No On On Off Yes On On No Yes On Off Off No Off On No Yes NOTE On a thermostat call for W1 all cooling and dehumidification will be off LEGEND OAT Outdoor Air Temperature The net effect of the rooftop when in hot gas reheat mode is to provide nearly all latent capa
84. V2ILU3A 9NIN3d0 114405 Nvd3SV8 NI 9414340 NIVUGO 31VSN30NOD LIV 017 611 9 1 av auans 1 21183 9 818340 1 NYNLIY 1102 801 804 3 18121 aly 22 oes 3015 11918 Aa 91 8 y OIIVA3Ud 5 5 60 008 AYN 0112106 18 YO 53002 1201 32NVHV31 WAWINIW 9 aL Ul Ls YINYOD Nyd 55300 SH9NV14 JHL OL 03 2 11 38 3835 40N031 004 Qass3udWoo WYOMLING 11v 59418340 39YVHISIO IVLNOZ1YOH 1857 6 1 01 03 2 11 38 GINOHS 39414 03114405 01313 SLINN 398 2510 TWINOZIYOH 03 ATNO GYND 3008 AYOSSIIOV OL 13 4 1102 835830802 Q3H2V11V 38 01 801910 51180 398 2510 21183 NO v 1302018 13 4 55322 8U32150N023 831114 NIV 30 01123 1 5831113 318504510 H VINVd 55322 831111 ZIL v 0 aIv 3015110 4V 34 ALIAWYS 30 831N32 e 72 73215 38IM NO 981083420 83004 803 15 3 83004 d a0 153125 gt 5 ONY 933 INONO23 3 5 1 1 NI 2 NI SNOISNJNIQ 71 879 8 6 2 253109 1p 8 6 1 141 7 6 700 8 1 1 1 143 211 00 py L u3AOd r00 200 L 7 82 8 1 1 u3MOd 00 100 v 2 22 8 L 127221 8 1 53715 3115 111000 310H ONTYIM 108102 01313 1221 VIG 8 1 0 310H 0 038 030 38 1 NOH 1804 9NIOUYHD
85. and 120 000 Btuh heat input units have 3 burners 115 000 Btuh heat input units and 150 000 Btuh Heat input units have 3 burners TTA propane kit is available as an accessory Kit may be used at elevations as high as 2000 ft If a propane kit is used with Low NOx units the Low NOx baffle must be 12 removed and the units will no longer be classified as Low NOx units Three phase standard models have heating inputs as shown Single phase stan dard models have one stage heating with heating input values California compliant three phase models tttCalifornia SCAQMD compliant low NO models have combustion products that are controlled to 40 nanograms per joule or less _4 1 ye Ar 4r BLU c e e 9 F FIELD POWER SUPPI FIELD POWER SUPPLY Pz E 208 230 3 60 i DISCONNECT 480 3 60 PERNEC_ 1 SIZES 5818036 048 581 036 048 DISCONNECT PERNEC 1 208 230 1 60 SIZES 581B036 060 581 024 060 7 9 a DISCONNECT PER NEC 575 3 60 208 230 3 60 FIELD POWER SUPPLY 460 3 60 l Disconnect SIZES 581 060 072 1 PER NEC I 58160060 77777 Fig 12 Power Wiring Connections COOL STAGE 1 FAN G L 1 HEAT STAGE 1 la WIRE COOL STAGE 2 2 CONNECTIONS HEAT STAGE 2 LOW VOLTAGE SECTION 24 VAC HOT ere 222 MOC HOT es 24
86. below 45 F Indoor comfort may be compromised when these lower air temperatures are used with insufficient heating temperature rise Step 3 Install External Trap for Condensate Drain The unit s 3 4 in condensate drain connections are located on the bottom and side of the unit Unit discharge connections do not determine the use of drain connections either drain connection can be used with vertical or horizontal applications When using the standard side drain connection ensure the plug Red in the alternate bottom connection is tight before installing the unit To use the bottom drain connection for a roof curb installation relocate the factory installed plug Red from the bottom connection to the side connection The center drain plug looks like a star connection however it can be removed with a 1 2 socket drive extension See Fig 4 The piping for the condensate drain and external trap can be completed after the unit is in place All units must have an external trap for condensate drainage Install a trap 4 in deep and protect against freeze up If drain line is installed downstream from the external trap pitch the line away from the unit at 1 in per 10 ft of run Do not use a pipe size smaller than the unit connection 3 4 in See Fig 5 Step 4 Rig and Place Unit Inspect unit for transportation damage and file any claim with transportation agency Keep unit upright and do not drop Spreader bars are no
87. ccess Panel Relocation INDOOR COIL ACCESS PANEL HOOD DIVIDER C06026 Fig 27 Outdoor Air Hood Construction Economi er IV Standard Sensors Outdoor Air Temperature OAT Sensor The outdoor air temperature sensor 57 074 is a 10 to 20 mA device used to measure the outdoor air temperature The outdoor air temperature is used to determine when the EconoMi er IV can be used for free cooling The sensor is factory installed on the EconoMi er IV in the outdoor airstream See Fig 23 and 33 The operating range of temperature measurement is 40 to 100 F Supply Air Temperature SAT Sensor The supply air temperature sensor is a 3k ohm thermistor located at the inlet of the indoor fan See Fig 34 This sensor is factory installed The operating range of temperature measurement is 0 to 158 See Table 5 for sensor temperature resistance values Table 5 Supply Air Sensor Temperature Resistance Values TEMPERATURE F RESISTANCE ohms 58 200 250 40 100 680 22 53 010 4 29 091 14 16 590 32 9 795 50 5 970 68 3 747 77 3 000 86 2 416 104 1 597 122 1 080 140 746 158 525 176 376 185 321 194 274 212 203 230 153 248 116 257 102 266 89 284 70 302 55 171 4 DIVIDER OUTSIDE AIR E CLEANABLE ALUMINUM FILTER BAROMETRIC RELIEF FILTER CLIP C
88. city removal from the space when sensible loads diminish when outdoor temperature conditions are moderate When in hot gas reheat mode the unit will operate to provide mostly latent capacity and extremely low sensible heat ratio capability Similar to the subcooling mode of operation hot gas reheat mode operates only when the outside air temperature is warmer than 40 F Below this temperature a factory installed outside air temperature switch will lockout this mode of operation SERVICE 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause personal injury or death When sevicing unit shut off all electrical power to unit and install lockout tag Step 1 Cleaning Inspect unit interior at the beginning of heating and cooling season and as operating conditions require Evaporator Coil 1 Turn unit power off tag disconnect Remove evaporator coil access panel 2 If economizer or two position damper is installed remove economizer disconnecting Molex plug removing mounting screws 3 Slide filters out of unit 4 Clean coil using a commercial coil cleaner or dishwasher detergent in a pressurized spray canister Wash both sides of coil and flush with clean water For best results back flush toward return air section to remove foreign material Flush condensate pan after completion 5 Reinstall economizer and filters 6 Reconnect wiring 7 Replace access panels Condenser
89. d set the minimum damper position potentiometer to the correct position 23 581B C CONTROL CONTROL POINT APPROX deg F deg C AT 50 RH 9 eL LN 2 4 7 10 13 16 18 21 80 95 100 105 110 38 41 43 7 ip Cf PLT TF Vd 54 XL SS KZA V L XS XZ y 85 27 29 32 35 38 APPROXIMATE DRY BULB TEMPERATURE degrees degrees C06037 Fig 38 Enthalpy Changeover Set Points The same equation can be used to determine the occupied or maximum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 cfm per person Use Fig 37 to determine the maximum setting of the CO2 sensor For example a 1100 ppm set point relates to a 15 cfm per person design Use the 1100 ppm curve on Fig 40 to find the point when the CO sensor output will be 6 7 volts Line up the point on the graph with the left side of the chart to determine that the range configuration for the CO2 sensor should be 1800 ppm The EconoMi er IV controller will output the 6 7 volts from the CO2 sensor to the actuator when the CO concentration in the space is at 1100 ppm The DCV set point may be left at 2 volts since the sensor voltage will be ignored by the EconoMi er IV controller until it rises ab
90. draw of belt drive motor Table 13 shows sound data Refer to Tables 15 34 for performance data See Table 11 for accessory static pressure drop See Fig 41 for the Perfect Humidity system static pressure drops Belt Drive Motors Fan motor pulleys are factory set for speed shown in Table 1 or 2 Check pulley alignment and belt tension prior to start up To change fan speed 1 Shut off the unit power supply and tag disconnect 2 Loosen the belt by loosening the fan motor mounting nuts See Fig 42 3 Loosen movable pulley flange setscrew See Fig 43 4 Screw movable flange toward fixed flange to increase speed and away from fixed flange to decrease speed Increasing fan speed increases load on motor Do not exceed maximum speed specified in Table 1 or 2 5 Set movable flange at nearest keyway of pulley hub and tighten setscrew See Table 1 or 2 for speed change for each full turn of pulley flange 6 Adjust belt tension and align fan and motor pulleys per guidance below NOTE Once the required flange position is determined for the correct blower rpm it is recommended bu not required that the variable pitch pulley be replaced with a corresponding size fixed sheave pulley To align fan and motor pulleys loosen fan pulley setscrews and slide fan pulley along fan shaft Make angular alignment by loosening motor from mounting Additional motor and fan alignment as well as angular alignment can be made by loosening
91. e sure that air filter s is in place 41 additional Schrader valves are located under the high pressure and low pressure switches respectively High Flow Refrigerant Valves Two high flow valves are located on the hot gas tube coming out of the compressor and the suction tube going into the compressor Large black plastic caps identify these valves These valves have O rings inside which screw the cap onto a brass body to prevent leaks No field access to these valves is available at this time Ensure the plastic caps remain on the valves and are tight or the possibility of refrigerant leakage could occur 581B C Compressor Rotation Table 35 Altitude Compensation On 3 phase units be certain that the compressor is rotating in the 581B 036 072 581C 024 060 Standard Units proper direction To determine whether or not compressor is rotating in the proper direction 72 000 AND 1 Connect the service gauges to suction and discharge NOMINAL INPUT pressure fittings ay Ton Natural Liquid Natural Liquid Gas Propane Gas Propane 2 Energize the compressor Orifice Orifice Orifice Orifice 3 The suction pressure should drop and the discharge Sizet Sizet Sizet Sizet pressure should rise as is normal on any start up 0 2 000 33 43 30 37 If the suction pressure does not drop and the discharge pressure 2 000 36 44 31 39 i 4 3 000 36 45 31 40 does not r
92. ed drive Table 26 Fan Performance 581B 036 581C 036 Horizontal Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 553 0 14 134 681 0 22 221 782 0 32 316 870 0 42 417 948 0 53 526 1000 582 0 16 163 707 0 26 257 807 0 36 358 894 0 47 466 971 0 58 580 1100 612 0 20 196 734 0 30 297 833 0 41 405 919 0 52 519 995 0 64 639 1200 643 0 23 234 762 0 34 343 859 0 46 458 944 0 58 579 1020 0 71 705 1300 675 0 28 277 790 0 40 394 886 0 52 517 969 0 65 644 1044 0 78 777 1400 707 0 33 326 819 0 45 452 913 0 58 581 996 0 72 716 1070 0 86 855 1500 740 0 38 382 849 0 52 515 941 0 66 653 1023 0 80 795 1096 0 95 941 AIRFLOW EXTERNAL STATIC PRESSURE in wg 1 2 1 4 1 6 1 8 2 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 900 1019 0 64 640 1084 0 76 760 1146 0 89 885 1203 1 02 1016 1258 1 16 1152 1000 1042 0 70 700 1107 0 83 825 1168 0 96 956 1225 1 10 1091 1100 1065 0 77 765 1130 0 90 896 1190 1 04 1032 1247 1 18
93. eights with the Perfect Humidity system C06111 Fig 6 Rigging Details UNIT OPERATING DIMENSIONS ESIC WEIGHT Ib kg in mm in mm in mm 024 530 240 73 69 1872 35 50 902 33 31 847 036 540 245 73 69 1872 35 50 902 33 31 847 048 560 254 73 69 1872 35 50 902 33 31 847 060 635 288 73 69 1872 35 50 902 41 31 1050 OPERATING DIMENSIONS WEIGHT Ib kg in mm in mm in mm 036 530 240 73 69 1872 35 50 902 33 31 847 048 540 245 73 69 1872 35 50 902 33 31 847 060 560 254 73 69 1872 35 50 902 33 31 847 072 635 288 73 69 1872 35 50 902 41 31 1050 INDOOR FAN MOTOR BLOWER AND HEAT SECTION ACCESS PANEL FLUSH TO CURB 06208 Fig 7 Roof Curb Alignment Support gas piping as shown in the table in Fig 11 For example a 3 4 in gas pipe must have one field fabricated support beam every 8 ft Therefore an 18 ft long gas pipe would have a minimum of 3 support beams and a 48 ft long pipe would have a minimum of 6 support beams 4 WARNING PROPERTY DAMAGE HAZARD Failure to follow this warning could result in personal injury death and property damage All panels must be in place when rigging and lifting See Fig 11 for typical pipe guide and locations of external manual gas shutoff valve NOTE If accessory thru the bottom connections and roof curb are used refer to the Thru the B
94. ells indicate field supplied drive is required 2 Maximum continuous bhp is 2 90 3 See general fan performance notes Bhp Brake Horsepower Watts Input Watts to Motor Motor drive range 1300 to 1685 rpm All other roms require field supplied drive 40 PRE START UP 4 WARNING FIRE EXPLOSION ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death and or property damage 1 Follow recognized safety practices and wear protective goggles when checking or servicing a refrigerant system 2 Do not operate the compressor or provide any electric power to the unit unless the compressor terminal cover is in place and secured 3 Do not remove the compressor terminal cover until all electrical sources are disconnected and tagged with lockout tags 4 Relieve all pressure from the system before touching or disturbing anything inside the terminal box if a refrigerant leak is suspected around the compressor terminals Use accepted methods to recover the refrigerant 5 Never attempt to repair a soldered connection while the refrigerant system is under pressure 6 Do not use a torch to remove any component The system contains oil and refrigerant under pressure To remove a component wear protective goggles and proceed as follows a Shut off electrical power to the unit and tag disconnect b Recover refrigerant to relieve all pressure from the system using both high pressure
95. em fully evacuate recover and recharge the system to the nameplate specified charge level To check or adjust refrigerant charge on systems using the Perfect Humidity adaptive dehumidification system charge per Fig 55 58 PSIO ul SUCT ION LINE PRESSUR A e n 1 x 2 z in SUCTION LINE TEMPERATURE F T 4 10 16 21 2 32 SUCTION LINE TEMPERATURE C 06139 Fig 51 Cooling Charging Chart Standard 581B 036 758 110 589 100 OUTDOOR TEMP Uo ae 521 90 105 41 8 8 95 35 E 5 8 2732 PO 6 18 w 8 55 13 5 45 7 8 483 70 E 2 E 414 260 ls 5345 50 B 276 40 40 50 60 70 80 90 SUCTION LINE TEMPERATURE i 4 10 16 21 2 32 SUCTION LINE TEMPERATURE C 06140 Fig 52 Cooling Charging Chart Standard 581B 048 758 110 o N e 50 25 B E 15 5 105 552 BO 85 w 65 iB 483 0 55 E 414 260 e 5
96. em Subcooling Mode Service Analysis PROBLEM CAUSE REMEDY Subcooling Mode Liquid Reheat Will Not Energize evaporator fan motor No power to control transformer from Check power source and evaporator fan relay Ensure all wire connections are tight solenoid valve No power from control transformer to liquid line 1 Fuse open check fuse Ensure continuity of wiring 2 Low pressure switch open Cycle unit off and allow low pressure switch to reset Replace switch if it will not close 3 Transformer bad check transformer Liquid line solenoid valve will not operate 1 Solenoid coil defective replace 2 Solenoid valve stuck open replace Liquid line solenoid valve will not open Valve is stuck closed replace valve Low System Capacity Low refrigerant charge or frosted evaporator coil Check charge amount Charge per Fig 55 58 2 Evaporator coil frosted check and replace low pres sure switch if necessary Loss of Compressor Superheat Conditions with Subcooling Reheat Dehumidification Coil Energized Thermostatic expansion valve TXV 1 Check TXV bulb mounting and secure tightly to suc tion line 2 Replace TXV if stuck open or closed Table 42 Perfect Humidity Adaptive Dehumidification System Hot Gas Reheat Mode Service Analysis PROBLEM CAUSE REMEDY Reheat Mode Will Not Energize evaporator fan motor No power to cont
97. et Screens Outdoor air inlet screen s must be in place before operating the unit Compressor Mounting Compressors are internally spring mounted Do not loosen or remove the compressor holddown bolts Internal Wiring Check all electrical connections in unit control boxes tighten them as required Refrigerant Service Ports CAUTION and INFORMATION labels attached to or shipped with unit Each unit system has 4 Schrader type service ports one on the suction line one on the liquid line and 2 on the compressor 3 Make the following inspections discharge line Be sure that caps on the ports are tight Two a Inspect for shipping and handling damages such as broken lines loose parts or disconnected wires etc b Inspect for oil at all refrigerant tubing connections and on unit base Detecting oil generally indicates a refrigerant leak Leak test all refrigerant tubing connections using electronic leak detector halide torch or liquid soap solution c Inspect all field wiring and factory wiring connections Besure that connections are completed and tight Be sure that wires are not in contact with refrigerant tubing or sharp edges d Inspect coil fins If damaged during shipping and handling carefully straighten fins with a fin comb 4 Verify the following conditions a Make sure that condenser fan blade are correctly positioned in fan orifice See Condenser Fan Adjustment section for more details b Mak
98. fe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 4 WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause personal injury or death Before performing service or maintenance operations on unit turn off main power switch to unit and install lockout tag Ensure electrical service to rooftop unit agrees with voltage and amperage listed on the unit rating plate 4 WARNING FIRE EXPLOSION HAZARD Failure to follow this warning could cause death and or property damage Disconnect gas piping from unit when leak testing at pressure greater than 1 2 psig Pressures greater than 1 2 psig will cause gas valve damage resulting in hazardous condition If gas valve is subjected to pressure greater than 1 2 psig it must be replaced before use When pressure testing field supplied gas piping at pressures of 1 5 psig or less a unit connected to such piping must be isolated by manually closing the gas valve s INSTALLATION Unit is shipped in the vertical discharge configuration To convert to horizontal discharge application remove duct opening covers Using the same screws install covers on duct openings in basepan of unit with insulation side down Seals around openings must be tight See Fig 1 581B C REMOVABLE HORIZONTAL RETURN DUCT OPENING COVER REMOVABLE
99. foot of air Therefore the input rate should be reduced at higher alti tudes TOrifices are available through your local Bryant distributor 42 Heating 1 Purge gas supply line of air by opening union ahead of the gas valve If gas odor is detected tighten union and wait 5 minutes before proceeding 2 Turn on electrical supply and manual gas valve 3 Set system switch selector at HEAT position and fan switch at AUTO or ON position Set heating temperature lever above room temperature 4 The induced draft motor will start 5 After a call for heating the main burners should light within 5 seconds If the burner does not light then there is a 22 second delay before another 5 second try If the burner still does not light the time delay is repeated If the burner does not light within 15 minutes there is a lockout To reset the control break the 24 v power to W1 6 The evaporator fan motor will turn on 45 seconds after burner ignition 7 The evaporator fan motor will turn off in 45 seconds after the thermostat temperature is satisfied 8 Adjust airflow to obtain a temperature rise within the range specified on the unit nameplate NOTE The default value for the evaporator fan motor on off delay is 45 seconds The Integrated Gas Unit Controller IGC modifies this value when abnormal limit switch cycles occur Based upon unit operating conditions the on delay can be reduced to 0 seconds and the off delay can be ex
100. fully open 7 Remove the jumper from TR and N The actuator should drive fully closed 8 Return EconoMi er IV settings and wiring to normal after completing troubleshooting Supply Air Input To check supply air input 1 Make sure IV preparation procedure has been performed 2 Set the Enthalpy potentiometer to A The Free Cool LED turns on The actuator should drive to between 20 and 80 open 3 Remove the 5 6 kilo ohm resistor and jumper T to T1 The actuator should drive fully open 4 Remove the jumper across T and T1 The actuator should drive fully closed 5 Return EconoMi er IV settings and wiring to normal after completing troubleshooting 55 581B C Economi er IV Troubleshooting Completion This procedure is used to return the IV to operation No troubleshooting or testing is done by performing the following procedure 1 Disconnect power at TR and 1 2 Set enthalpy potentiometer to previous setting 3 Set DCV maximum position potentiometer to previous setting 4 Set minimum position DCV set point and exhaust potentiometers to previous settings 5 Remove 620 ohm resistor from terminals Sp and 6 Remove 1 2 kilo ohm checkout resistor from terminals So and If used reconnect sensor from terminals So and 7 Remove jumper from TR to N 8 Remove jumper from TR to 1 9 Remove 5 6 kilo ohm resistor from T and T1 Reconnect wires at T and
101. he sensor can be changed anytime after the sensor is energized Follow the steps below to change the non standard settings 1 Press Clear and Mode buttons Hold at least 5 seconds until the sensor enters the Edit mode 2 Press Mode twice The STDSET Menu will appear 3 Use the Up Down button to toggle to the NONSTD menu and press Enter 4 Use the Up Down button to toggle through each of the nine variables starting with Altitude until the desired setting is reached 5 Press Mode to move through the variables 6 Press Enter to lock in the selection then press Mode to continue to the next variable Dehumidification of Fresh Air with DCV Control Information from ASHRAE indicates that the largest humidity load on any zone is the fresh air introduced For some applications a device such as an energy recovery unit can be added to reduce the moisture content of the fresh air being brought into the building when the enthalpy is high In most cases the normal heating and cooling processes are more than adequate to remove the humidity loads for most commercial applications If normal rooftop heating and cooling operation is not adequate for the outdoor humidity level an energy recovery unit and or a dehumidification option should be considered Step 9 Adjust Evaporator Fan Speed Adjust evaporator fan speed to meet jobsite conditions Tables 8 and 9 show fan rpm at motor pulley settings Tables 10 and 14 show maximum amp
102. he subcooling coil See Fig 45 As the hot liquid refrigerant passes through the subcooling reheat dehumidification coil it is exposed to the cold supply airflow coming through the evaporator coil The liquid is further subcooled to a temperature approaching the evaporator leaving air temperature The liquid then enters a thermostatic expansion valve TXV where the liquid drops to a lower pressure The TXV does not have a pressure drop great enough to change the liquid to a 2 phase fluid so the liquid then enters the Acutrol device at the evaporator coil The liquid enters the evaporator coil at a temperature lower than in standard cooling operation This lower temperature increases the latent capacity of the rooftop unit The refrigerant passes through the evaporator and is turned into a vapor The air passing over the evaporator coil will become colder than during normal operation However as this same air passes over the subcooling coil it will be slightly warmed partially reheating the air Subcooling mode operates only when the outside air temperature is warmer than 40 F A factory installed temperature Switch located in the condenser section will lock out subcooling mode when the outside temperature is cooler than 40 F The scroll compressors are equipped with crankcase heaters to provide protection for the compressors due to the additional refrigerant charge required by the subcooling reheat coil When in subcooling mode
103. heat thermocouple type or thermistor type thermometer and a gauge manifold are required when using the superheat charging method for evaluating the unit charge Do not use mercury or small dial type thermometers because they are not adequate for this type of measurement No Charge Use standard evacuating techniques After evacuating system to 500 microns weigh in the specified amount of refrigerant Refer to Table 1 or 2 and unit information plate 46 Low Charge Cooling Using Cooling Charging Charts Fig 51 54 and 59 62 vary refrigerant until the conditions of the charts are met Note the charging charts are different from type normally used Charts are based on charging the units to the correct superheat for the various operating conditions Accurate pressure gauge and temperature sensing device are required Connect the pressure gauge to the service port on the suction line Mount the temperature sensing device on the suction line and insulate it so that outdoor ambient temperature does not affect the reading Indoor air cfm must be within the normal operating range of the unit Perfect Humidity System Charging The system charge for units with the Perfect Humidity adaptive dehumidification system is greater than that of the standard unit alone The charge for units with this option is indicated on the unit nameplate drawing Also refer to Fig 55 58 To charge systems using the Perfect Humidity adaptive dehumidification syst
104. ion temperature may vary 5 If a charging device is used temperature and pressure readings must be accomplished using the charging charts To Use Cooling Charging Charts Units With Perfect Humidity Adaptive Dehumidification System Refer to charts Fig 55 58 to determine the proper leaving condenser pressure and temperature Example Fig 55 Leaving Condenser Pressure 250 psig Leaving Condenser Temperature 105 F NOTE When using the charging charts it is important that only the subcooling reheat dehumidification coil liquid line solenoid valve be energized The subcooling reheat dehumidification coil liquid line solenoid valve MUST be energized to use the charging charts and the outdoor motor speed controller jumpered to run the fan at full speed Step 10 Flue Gas Passageways To inspect the flue collector box and upper areas of the heat exchanger 1 Remove the combustion blower wheel and motor assembly according to directions in Combustion Air Blower section below 2 Remove the 3 screws holding the blower housing to the flue cover 3 Remove the flue cover to inspect the heat exchanger 4 Clean all surfaces as required using a wire brush 49 581B C 5 5 581C 2 TON CHARGING CHART Suction Line Temperature deg C 10 5 15 5 20 5 105 0 698 0 100 0 E nM 648 0 8 5 900 e 4 o 9 59804 850 2
105. ise to normal levels 4 000 37 45 32 41 1 Note that the indoor fan 006 and 007 three phase units 5 000 38 46 32 42 only is probably also rotating in the wrong direction 6 000 40 47 34 43 2 Turn off power to the unit and tag disconnect 7 000 41 48 35 43 8 000 42 49 36 44 3 Reverse any two of the unit power leads E P 9 000 43 50 37 45 4 Turn on power to the unit and energize the compressor 10 000 44 50 39 46 The suction and discharge pressure levels should now move to 11 000 45 51 41 47 their normal start up levels 12 000 46 52 42 48 NOTE When the compressor is rotating in the wrong direction 193099 al 52 39 14 000 48 53 44 50 the unit makes more noise and does not provide cooling Cooling As the height above sea level increases there is less oxygen per cubic is foot of air Therefore heat input rate should be reduced at higher alti Set the space thermostat to the OFF position Set the system tudes selector switch at COOL position and the fan switch at AUTO tOrifices available through your Bryant distributor position Adjust the thermostat to a setting below room temperature The compressor starts when contactor closes Table 36 Altitude Compensation Check the unit charge Refer to Refrigerant Charge section 581B 036 072 581C 024 060 Low NOx Units Reset the thermostat at a position above room temperature The compressor will sh
106. itioned area Reset thermostat Outdoor ambient below 25 F Install low ambient kit Evaporator Fan Will Not Shut Off Time off delay not finished Wait for 30 second off delay 58 Table 44 Input Output Logic INPUTS OUTPUTS 1 1 Demand Control Enthalpy Compressor N Terminalt y1 y2 Stage Stage Occupied Unoccupied Ventilation DCV Outdoor Return 1 2 Damper Below set High Low On On On Minimum position Closed DCV LED Off Free Cooling LED Off On Off On Off Off Off Off Off Low High On On On Off Modulating between min Modulating between Free Cooling LED On On Off Off Off position and full open closed and full open Off Off Off Off Minimum position Closed Above set High Low On On Modulatingtt between min Modulatingtt between DCV LED On Free Cooling LED Off On Off On Off position and maximum closed and DCV Off Off of Off Maximum Low High On On Off Modulating Modulatingttt Free Cooling LED On On Off Off Off Off Off Off Off For single enthalpy control the module compares outdoor enthalpy to the ABCD set point tPower at N terminal determines Occupied Unoccupied setting Modulation is based on the supply air sensor signal ttModulation is based on the DCV signal Modulation is based on
107. late also see Tables 3 and 4 On 3 phase units voltages between phases must be balanced within 2 and the current within 10 Use the formula shown in Tables 3 and 4 Note 3 to determine the percent voltage imbalance Operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components Such operation would invalidate any applicable Bryant warranty NOTE If accessory thru the bottom connections and roof curb are used refer to the Thru the Bottom Accessory Installation Instructions for information on power wiring and gas connection piping The power wiring control wiring and gas piping can be routed through field drilled holes in the basepan The basepan is specially designed and dimpled for drilling the access connection holes See Fig 2 Field Control Wiring Install Bryant approved accessory thermostat assembly according to installation instructions included with the accessory Locate thermostat assembly on a solid wall in the conditioned space to sense average temperature in accordance with thermostat installation instructions Route thermostat cable or equivalent single leads of colored wire from subbase terminals through connector on unit to low voltage connections shown in Fig 13 and 14 Connect thermostat wires to matching screw terminals of low voltage connection board See Fig 13 and 14 NOTE For wire runs up to 50 ft use no 18 AWG American Wire Gauge in
108. ld Splice C06128 Fig 17 Typical Perfect Humidity Adaptive Dehumidification System Humidistat Wiring 208 230 V Unit Shown ROOF TOP UNIT DEHUM 4 TSIAT WIRES RED PINK FROM LEGEND PERFECT HUMIDITY SYSTEM Circuit Breaker LLSV LCT Light Commercial Thermidistat Device LLSV Liquid Line Solenoid Valve LTLO Low Temperature Lockout PERFECT HUMIDITY SYSTEM C06360 Fig 18 Typical Rooftop Unit with Perfect Humidity Adaptive Dehumidification System with Thermidistat Device OUTDOOR AIR OPENING PANEL HOOD TOP SCREWS HIDDEN 3 SCREWS SIDE SCREWS SCREEN HOLDERS MANUAL OUTDOOR AIR ADJUSTMENT SCREWS HOOD SIDES AND TOP POSITION SETTING DAMPER ASSEMBLED SCALE BLADE C06130 Fig 19 Damper Panel with Manual Outdoor Air Damper Installed C06013 Fig 20 Outdoor Air Hood Details 17 581B C SCREW HOLES TOP HOOD SCREEN LOCATION SCREEN NOT SHOWN 06131 Fig 21 Outdoor Air Damper With Hood Attached 06 05 04 a 2 oe e x 03 gt lt 02 2 0 0 1 2 4 5 6 7 OUTDOOR AIRFLOW cfm x 100 C06132 Fig 22 Outdoor Air Damper Position Setting
109. llow this warning could result in personal injury or death Unit cabinet must have an uninterrupted unbroken electrical ground to minimize the possibility of personal injury if an electrical fault should occur This ground may consist of electrical wire connected to unit ground lug in control compartment or conduit approved for electrical ground when installed in accordance with NEC National Electrical Code ANSI NFPA National Fire Protection Association latest edition and local electrical codes Do not use gas piping as an electrical ground Field Power Supply All units except 208 230 v units are factory wired for the voltage shown on the nameplate If the 208 230 v unit is to be connected to a 208 v power supply the transformer must be rewired by moving the black wire from the 230 v terminal on the transformer and connecting it to the 200 v terminal from the transformer Refer to unit label diagram for additional information Pigtails are provided for field service Use factory supplied splices or UL Underwriters Laboratories approved copper connector When installing units provide a disconnect per NEC field wiring must comply with local requirements Install conduit through side panel openings indicated in Fig 8 Route power lines through connector to terminal connections as shown in Fig 12 Voltage to compressor terminals during operation must be within voltage range indicated on unit namep
110. load Decrease load or increase unit size Thermostat set too low Reset thermostat Low refrigerant charge Locate leak repair and recharge Leaking valves in compressor Replace compressor Air in system Recover refrigerant evacuate system and re charge Condenser coil dirty or restricted Clean coil or remove restriction Excessive Head Pressure Dirty air filter Replace filter Dirty condenser coil Clean coil Refrigerant overcharged Recover excess refrigerant Air in system Recover refrigerant evacuate system and re charge Condenser air restricted or air short cycling Determine cause and correct Head Pressure Too Low Low refrigerant charge Check for leaks repair and recharge Compressor valves leaking Replace compressor Restriction in liquid tube Remove restriction Excessive Suction Pressure High heat load Check for source and eliminate Compressor valves leaking Replace compressor Refrigerant overcharged Recover excess refrigerant Suction Pressure Too Low Dirty air filter Replace filter Low refrigerant charge Check for leaks repair and recharge Metering device or low side restricted Remove source of restriction Insufficient evaporator airflow Increase air quantity Check filter and replace if necessary Temperature too low in cond
111. n conjunction with an additional accessory dry bulb sensor part number CRTEMPSN002A00 The accessory sensor must be mounted in the return airstream See Fig 37 Wiring is provided in the EconoMi er IV wiring harness See Fig 29 In this mode of operation the outdoor air temperature is compared to the return air temperature and the lower temperature airstream is used for cooling When using this mode of changeover control turn the enthalpy setpoint potentiometer fully clockwise to the D setting See Fig 35 Outdoor Enthalpy Changeover For enthalpy control accessory enthalpy sensor part number 57 078 is required Replace the standard outdoor dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location See Fig 23 and 33 When the outdoor air enthalpy rises above the outdoor enthalpy changeover set point the outdoor air damper moves to its minimum position The outdoor enthalpy changeover set point is set with the outdoor enthalpy set point potentiometer on the EconoMi er IV controller The set points are A B C and D See Fig 38 The factory installed 620 ohm jumper must be in place across terminals SR and SR on the EconoMi er IV controller See Fig 23 and 39 Differential Enthalphy Control For differential enthalpy control the EconoMi er IV controller uses two enthalpy Sensors 57 078 and CRENTDIF004A00 one in the outside air and one in the return air duct The Eco
112. ne ese 41 SERVICE E 45 TROUBLESHOOTING 55 START UP CHECKLIST bI RI RR E 60 SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical components Only trained and qualified service personnel should install repair or service air conditioning equipment Untrained personnel can perform basic maintenance functions of cleaning coils and filters and replacing filters All other operations should be performed by trained service personnel When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that may apply Follow all safety codes Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extinguishers available for all brazing operations Recognize safety information This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies a hazard which could result in personal injury or death CAUTION is used to identify unsa
113. noMi er IV controller compares the outdoor air enthalpy to the return air enthalpy to determine EconoMi er IV use The controller selects the lower enthalpy air return or outdoor for cooling For example when the outdoor air has a lower enthalpy than the return air the EconoMi er IV opens to bring in outdoor air for free cooling Replace the standard outside air dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location See Fig 23 Mount the return air enthalpy sensor in the return air duct See Fig 37 Wiring is provided in the EconoMi er IV wiring harness See Fig 29 The outdoor enthalpy changeover set point is set with the outdoor enthalpy set point potentiometer on the EconoMi er IV controller When using this mode of changeover control turn the enthalpy setpoint potentiometer fully clockwise to the D setting 20 FOR OCCUPANCY CONTROL REPLACE JUMPER WITH FIELD SUPPLIED TIME CLOCK lt VIO BLK BLK 1 ECONOMIZER MOTOR ACCESSORY gt il BLK 0 1 POSITION POT BLK 2v 10V WHT 0 3 IREMOTE 135 Ohm Ther Ezi REDE 2
114. nstallation must be in accordance with the 1 1491 and CAN1 B149 2 installation codes for gas burning appliances For natural gas applications gas pressure at unit gas connection must not be less than 4 in wg or greater than 13 in wg while the unit is operating On 581B036 072 and 581C036 060 high heat units the gas pressure at unit gas connection must not be less than 5 in wg or greater than 13 in wg while the unit is operating For propane applications the gas pressure must not be less than 5 in wg or greater than 13 in wg at the unit connection Size gas supply piping for 0 5 in wg maximum pressure drop Do not use supply pipe smaller than unit gas connection POSITION ALL SEAL STRIPS IN PLACE BEFORE POSITIONING UNIT ON ROOF CURB 36 54 914 1371 SEE DETAIL DETAIL DUCT END PLACE UNIT ON CURB AS CLOSE TO DUCT END AS POSSIBLE NOTES 1 Place unit on curb as close as possible to the duct end 2 Dimension in is in millimeters 3 Hook rigging shackles through holes in base rail as shown in detail A Holes in base rails are centered around the unit center of gravity Use wooden top skid when rigging to prevent rigging straps from damaging unit 4 Weights include base unit without economizer See Table 1 for unit operating weights with accessory economizer 5 Weights include base unit without the Perfect Humidity adaptive dehumidification system See Table 1 for unit operating w
115. ntiometer is turned fully clockwise 4 Connect 24 vac across terminals TR and 1 5 Carefully adjust the minimum position potentiometer until the measured supply air temperature matches the calculated value 6 Reconnect the mixed air sensor to terminals T and T1 Remote control of the EconoMi er IV damper is desirable when requiring additional temporary ventilation If field supplied remote potentiometer Honeywell part number 5963 1128 is wired to the EconoMi er IV controller the minimum position of the damper can be controlled from a remote location 22 To control the minimum damper position remotely remove the factory installed jumper on the P and P1 terminals on the EconoMi er IV controller Wire the field supplied potentiometer to the P and P1 terminals on the EconoMi er IV controller See Fig 39 Damper Movement Damper movement from full open to full closed or vice versa takes 21 2 minutes Thermostats The EconoMi er IV control works with conventional thermostats that have a Y1 cool stage 1 Y2 cool stage 2 W1 heat stage 1 W2 heat stage 2 and fan The EconoMi er IV control does not support space temperature sensors Connections are made at the thermostat terminal connection board located in the main control box 9 T ON 7 16 LED LED 5 lt E14 LED OFF a LED B 3 12 LED OFFS S LED ON 1 A 9 LED OFF 9
116. nts the minimum ventilation position for VOC volatile organic compound ventilation requirements The maximum demand ventilation position is used for fully occupied ventilation When demand ventilation control is not being used the minimum position potentiometer should be used to set the occupied ventilation position The maximum demand ventilation position should be turned fully clockwise Adjust the minimum position potentiometer to allow the minimum amount of outdoor air as required by local codes to enter the building Make minimum position adjustments with at least 10 F temperature difference between the outdoor and return air temperatures To determine the minimum position setting perform the following procedure 1 Calculate the appropriate mixed air temperature using the following formula OA RA TR x To Outdoor Air Temperature OA Percent of Outdoor Air Tr Return Air Temperature RA Percent of Return Air Tm Mixed Air Temperature As an example if local codes require 10 outdoor air during occupied conditions outdoor air temperature is 60 F and return air temperature is 75 F 60 x 10 75 x 90 73 5 F 2 Disconnect the supply air sensor from terminals T and T1 3 Ensure that the factory installed jumper is in place across terminals P and P1 If remote damper positioning is being used make sure that the terminals are wired according to Fig 29 and that the minimum position pote
117. ny electrical charge that may be present before handling new control board The IGC is sensitive to static electricity and may be damaged if the necessary precautions are not taken LEGEND IGC Integrated Gas Unit Controller LED Light Emitting Diode IMPORTANT Refer to heating troubleshooting for additional heating section troubleshooting information 56 Table 40 Heating Service Analysis PROBLEM CAUSE REMEDY Burners Will Not Ignite Misaligned spark electrodes Check flame ignition and sensor electrode positioning Adjust as needed No gas at main burners Check gas line for air purge as necessary After purging gas line of air allow gas to dissipate for at least 5 minutes before attempting to relight unit Check gas valve Water in gas line Drain water and install drip leg to trap water No power to furnace Check power supply fuses wiring and circuit breaker No 24 v power supply to control circuit Check transformer Transformers with internal overcurrent protection require a cool down period before resetting Check 24 v circuit breaker reset if neces sary Miswired or loose connections Check all wiring and wirenut connections Burned out heat anticipator in thermostat Replace thermostat Broken thermostat wires Run continuity check Replace wires if necessary Inadequate Heating Dirty air filter Clean or replace filter
118. ormation Ignition Lockout LED 5 Flashes 15 minutes Unit unsuccessfully attempted ignition for Check ignitor and flame sensor electrode spacing gaps etc Ensure that flame sense and ignition wires are properly terminated Verify that unit is obtaining proper amount of gas Induced Draft Motor Fault LED 6 Flashes IGC does not sense that induced draft motor is operating Check for proper voltage If motor is operating check the speed sensor plug IGC Terminal J2 connection Proper connection PIN 1 White PIN 2 Red PIN 3 Black Rollout Switch Fault LED 7 Flashes Rollout switch has opened Rollout switch will automatically reset but IGC will continue to lock out unit Check gas valve operation Ensure that induced draft blower wheel is properly secured to motor shaft Reset unit at unit disconnect Internal Control Fault LED 8 Flashes software or hardware Microprocessor has sensed an error in the If error code is not cleared by resetting unit power replace the IGC Temporary Software Lockout LED 9 Flashes software Electrical interference is impeding the IGC Reset 24 v to control board or turn thermostat off and then on Fault will automatically reset itself in one hour CAUTION COMPONENT DAMAGE HAZARD Failure to follow this caution may result in component damage If the IGC must be replaced be sure to ground yourself to dissipate a
119. ottom Accessory Installation Instructions for information on power wiring and gas connection piping The power wiring control wiring and gas piping can be routed through field drilled holes in the basepan The basepan is specially designed and dimpled for drilling the access connection holes 4 WARNING FIRE EXPLOSION HAZARD Failure to follow this warning could result in personal injury death and or property damage When connecting the gas line to the unit gas valve the installer MUST use a backup wrench to prevent damage to the valve 95905 NIVUO 31VSN30NOD OLS 1 39uvH2SIQ 431138 21813 08 8 aIv NUNLIY suorsuounq HUN aseg 220 960 4185 8 3015 11084 301 1331 AlddNS 3016100 i teo 79176 2 0 9 969 ort 4 SLL 190092 2 0 51015 wona bd p u 2 aIv 1015100 7 1 8 9818340 ulv 1572691 0 2 5831111 318 504510 TWINOZIYOH 9NIN3d0 X 114405 LINN 40 1971061 NOLLOG 8 L ll viv 91 6 b TiNVd S 322V 1V3H 21812313 ONY 830018 80108 YOOONT 1102 835830802 TINVd 10 1 1384 320V 031113 tu 13381 9L EL 01 91 11 l LINN EN tret 900 __ VIL UE L 141
120. ove the 3 6 volt setting of the minimum position potentiometer Once the fully occupied damper position has been determined set the maximum damper demand control ventilation potentiometer to this position Do not set to the maximum position as this can result in over ventilation to the space and potential high humidity levels 24 4 EGE lt gt gt 9 o SE SI 2 o 2 C06038 Fig 39 IV Control CO2 SENSOR MAX RANGE SETTING 800 ppm 900 ppm 4 1000 ppm 1100 ppm 6000 E 5000 za 4000 5 2 3000 LL 5 Q 2000 9 2 1000 t 0 T 2 3 4 6 7 8 DAMPER VOLTAGE FOR MAX VENTILATION RATE C06039 Fig 40 Sensor Maximum Range Setting CO Sensor Configuration The CO sensor has preset standard voltage settings that can be selected anytime after the sensor is powered up See Table 7 Use setting 1 or 2 for Bryant equipment See Table 7 1 Press Clear and Mode buttons Hold at least 5 seconds until the sensor enters the Edit mode 2 Press Mode twice The STDSET Menu will appear 3 Use the Up Down button to select the preset number See Table 7 4 Press Enter to lock in the selection 5 Press Mode to exit and resume normal operation The custom settings of t
121. p Rpm 1 8 825 1 8 825 1 8 825 1 4 1100 Watts Input Total 180 180 180 320 CONDENSER COIL 3 8 OD Enhanced Copper Tubes Aluminum Lanced Fins Rows Fins in 1 17 1 17 2 17 2 17 Total Face Area sq ft 14 6 14 6 16 5 16 5 EVAPORATOR COIL 3 8 in OD Enhanced Copper Tubes Aluminum Double Wavy Fins Standard Unit Rows Fins in 2 15 2 15 2 15 4 15 Total Face Area sq ft 4 2 5 5 5 5 5 5 Unit with Perfect Humidity Adaptive Dehumidification System Rows Fins in 1 17 1 17 2 17 2 17 Total Face Area sq ft 3 5 3 9 3 9 3 9 EVAPORATOR FAN Centrifugal Type Belt Drive Quantity Size in 1 10 x 10 1 10 x 10 1 10x 10 1 10 x 10 Nominal Cfm 800 1200 1600 2000 Maximum Continuous Bhp Std 0 58 1 20 1 20 1 30 2 40 Hi Static 2 40 2 40 2 90 Motor Frame Size Std 48 48 48 48 56 Hi Static 56 56 56 Motor Rpm 1620 1620 1620 1725 Fan Rpm Range Std 400 1000 680 1044 770 1185 1035 1460 Hi Static 1075 1455 1075 1455 1300 1685 Motor Bearing Type Ball Ball Ball Ball Maximum Fan Rpm 1620 2100 2100 2100 Motor Pulley Pitch Diameter A B in Std 2 4 3 2 1 9 2 9 1 9 2 0 2 4 3 4 Hi Static 2 8 3 8 2 8 3 8 3 4 4 4 Nominal Motor Shaft Diameter in Std 5 g 1 5 1 2 5 8 Hi Static 7 8 5 8 5 8 5 8 Fan Pulley Pitch Diameter in Std 4 0 4 5 40 40 Hi Static 4 5 4 5 4 0 4 5 Belt Type Length in Std 1 4 36 1 36 1 36 1 4 40 Hi Static 1 39 1 39 1 40 Pulley Center Line Distance in 10 0
122. plied drive is required Bhp Brake Horsepower 2 Maximum continuous bhp is 2 40 Watts Input Watts to Motor 3 See general fan performance notes Motor drive range 1119 to 1585 rpm All other rpms require field supplied drive 39 581B C Table 34 Fan Performance 581B 072 Horizontal Discharge Units High Static Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in wg 0 2 0 4 0 6 0 8 1 0 CFM Rpm Bhp Watts Rpm Bhp Watts Bhp Watts Rpm Bhp Watts Rpm Bhp Watts 1800 913 0 64 569 1010 0 80 715 1098 0 98 869 1178 1 16 1032 1252 1 35 1203 1900 952 0 73 652 1046 0 91 805 1131 1 09 965 1210 1 28 1134 1282 1 48 1311 2000 992 0 84 744 1083 1 02 903 1166 1 21 1070 1242 1 40 1245 1313 161 1427 2100 1032 0 95 844 1120 1 14 1010 1200 1 33 1184 1275 1 54 1365 1345 1 75 1553 2200 1073 1 07 954 1158 1 27 1127 1236 1 47 1307 1308 1 68 1495 1377 1 90 1689 2300 1114 1 21 1074 1196 1 41 1254 1272 1 62 1440 1343 1 84 1634 1409 2 07 1834 2400 1155 1 96 1204 1234 1 57
123. r accessory FIOP static pressure information 2 Extensive motor and electrical testing on these units ensures that the full range of the motor can be utilized with confidence Using the fan motors up to the ratings shown will not result in nuisance tripping or premature motor failure Unit warranty will not be affected See Tables 8 and 9 for additional information 3 Use of a field supplied motor may affect wire sizing Contact your Bryant representative to verify 4 Interpolation is permissible Do not extrapolate Table 15 Fan Performance 581C 024 Vertical Discharge Units Standard Motor Belt Drive EXTERNAL STATIC PRESSURE in wg iiid 0 1 02 0 4 0 6 0 8 1 0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 600 500 0 08 531 0 08 607 0 14 713 0 21 788 0 29 878 0 37 700 529 0 09 567 009 633 0 16 739 0 24 816 0 32 902 0 41 800 547 010 592 012 660 019 761 0 27 845 037 937 0 47 900 570 013 620 014 691 0 22 793 0 322 870 042 957 0 53 1000 599 015 650 016 717 026 818 0 36 894 047 981 0 58 28 Table 16 Fan Performance 581B 036 581C 036 Vertical Discharge Units Standard Motor Belt Drive AIRFLOW EXTERNAL STATIC PRESSURE in
124. r position must be calculated to provide the desired fresh air A proportional anticipatory strategy should be taken with the following conditions a zone with a large area varied occupancy and equipment that cannot exceed the required ventilation rate at design conditions Exceeding the required ventilation rate means the equipment can condition air at a maximum ventilation rate that is greater than the required ventilation rate for maximum occupancy A proportional anticipatory strategy will cause the fresh air supplied to increase as the room level increases even though the CO set point has not been reached By the time the CO level reaches the set point the damper will be at maximum ventilation and should maintain the set point In order to have the CO sensor control the economizer damper in this manner first determine the damper voltage output for minimum or base ventilation Base ventilation is the ventilation required to remove contaminants during unoccupied periods The following equation may be used to determine the percent of outside air entering the building for a given damper position For best results there should be at least a 10 degree difference in outside and return air temperatures OA RA TR x E 199 To Outdoor Air Temperature OA Percent of Outdoor Air Tn Return Air Temperature RA Percent of Return Air Tm Mixed Air Temperature Once base ventilation has been determine
125. rol transformer from Check power source and evaporator fan relay Ensure all wire connections are tight line solenoid valve No power from control transformer to hot gas 1 Fuse open check fuse Ensure continuity of wiring 2 Low pressure switch open Cycle unit off and allow low pressure switch to reset Replace switch if it will not close 3 Transformer bad check transformer Conditions with Subcooling Reheat Dehumidification Coil Energized Hot gas line solenoid valve will not operate 1 Solenoid coil defective replace 2 Solenoid valve stuck closed replace Low refrigerant charge or frosted evaporator coil 1 Check charge amount Charge per Fig 55 58 2 Evaporator coil frosted check and replace low pres sure switch if necessary Loss of Compressor Superheat Thermostatic expansion valve TXV 1 Check TXV bulb mounting and secure tightly to suc tion line 2 Replace TXV if stuck open or closed Excessive Superheat Liquid line solenoid valve will not operate Hot gas line solenoid valve will not close Valve is stuck replace valve Valve is stuck replace valve 57 581B C Table 43 Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and Condenser Fan Will Not Start Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective thermostat contactor tran
126. s caution may result in reduced furnace life When servicing gas train do not hit or plug orifice spuds Removal and Replacement of Gas Train See Fig 63 and 64 Shut off manual gas valve Shut off power to unit tag disconnect Remove compressor access panel Slide out burner compartment side panel Disconnect gas piping at unit gas valve Remove wires connected to gas valve Mark each wire NYDN fF WN Remove induced draft motor igniter and sensor wires at the Integrated Gas Unit Controller 100 8 Remove the 2 screws that attach the burner rack to the vestibule plate 9 Remove the gas valve bracket 10 Slide the burner tray out of the unit Fig 64 11 To reinstall reverse the procedure outlined above 12 Reinstall burners on rack INDUCED ROLLOUT DRAFT SWITCH MOTOR MOUNTING PLATE SECTION gi d N FLUE Sg 1 EXHAUST 22422 VESTIBULE INDUCED eat 0 PEE 4 DRAFT MOTOR BLOWER HOUSING MANIFOLD PRESSURE 9 GAS TAP VALVE C06152 Fig 63 Burner Section Details MANIFOLD PRESSURE TAP VALVE BURNERS 06153 Fig 64 Burner Tray Details 52 SPARK GAP 120 141 IN 3 05 3 56 mm DETAIL Cleaning and Adjustment SEE DETAIL LOW HEAT 72 000 BTUH INPUT AND 60 000 BTUH INPUT SEE DETAIL SEE DETAIL E MEDIUM AND HIGH
127. screws provided to attach the hood sides to the hood top Use screws provided to attach the hood sides to the unit See Fig 27 Remove the shipping tape holding the economizer barometric relief damper in place Insert the hood divider between the hood sides See Fig 28 and 29 Secure hood divider with 2 screws on each hood side The hood divider is also used as the bottom filter rack for the aluminum filter Open the filter clips which are located underneath the hood top Insert the aluminum filter into the bottom filter rack hood divider Push the filter into position past the open filter clips Close the filter clips to lock the filter into place See Fig 28 Caulk the ends of the joint between the unit top panel and the hood top See Fig 26 Replace the filter access panel Install all EconoMi er IV accessories EconoMi er IV wiring is shown in Fig 29 Barometric flow capacity is shown in Fig 30 Outdoor air leakage is shown in Fig 33 Return air pressure drop is shown in Fig 32 18 FILTER ACCESS PANEL COMPRESSOR ACCESS PANEL OUTDOOR AIR OPENING AND INDOOR COIL ACCESS PANEL C06023 Fig 24 Typical Access Panel Locations E HOOD BOX BRACKET C06024 Fig 25 Hood Box Removal SIDE PANEL Bs TOP SIDE O PANEL INDOOR INDOOR COIL COIL ACCESS ACCESS PANEL PANEL C06025 Fig 26 Indoor Coil A
128. sformer or control relay Replace component Insufficient line voltage Determine cause and correct Incorrect or faulty wiring Check wiring diagram and rewire correctly Thermostat setting too high Lower thermostat setting below room tempera ture Compressor Will Not Start But Condenser Fan Runs Faulty wiring or loose connections in compres Sor circuit Check wiring and repair or replace Compressor motor burned out seized or in ternal overload open Determine cause Replace compressor Defective run start capacitor overload start relay Determine cause and replace One leg of 3 phase power dead Replace fuse or reset circuit breaker Determine cause Compressor Cycles Other Than Normally Satisfying Thermostat Refrigerant overcharge or undercharge Recover refrigerant evacuate system and re charge to nameplate Defective compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked condenser Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Defective thermostat Replace thermostat Faulty condenser fan motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor Operates Continuously Dirty air filter Replace filter Unit undersized for
129. spectively Evaporator fan operates continuously to provide constant air circulation When the evaporator fan selector switch is turned to the OFF position there is a 30 second delay before the fan turns off Operating Sequence When thermostat calls for cooling terminals and Y1 energized The indoor fan contactor IFC reversing valve solenoid RVS and compressor contactor are energized and indoor fan motor compressor and outdoor fan starts The outdoor fan motor runs continuously while unit is cooling When the thermostat calls for heating terminal W1 is energized To prevent thermostat short cycling the unit is locked into the Heating mode for at least 1 minute when W1 is energized The induced draft motor is energized and the burner ignition sequence begins The indoor evaporator fan motor IFM is energized 45 seconds after a flame is ignited On units equipped for two stages of heat when additional heat is needed W2 is energized and the high fire solenoid on the main gas valve MGV is energized When the thermostat is satisfied and W1 is deenergized the IFM stops after a 45 second time off delay Cooling Units With Economi er IV When free cooling is not available the compressors will be controlled by the zone thermostat When free cooling is available the outdoor air damper is modulated by the EconoMi er IV control to provide a 50 to 55 F supply air temperature into the zone As the supply air temperature fl
130. sulated wire 35 C minimum For 50 to 75 ft use no 16 AWG insulated wire 35 C minimum For over 75 ft use no 14 AWG insulated wire 35 C minimum All wire larger than no 18 AWG cannot be directly connected to the thermostat and will require a junction box and splice at the thermostat Pass the control wires through the hole provided in the post then feed wires through the raceway built into the corner post to the 24 v barrier located on the left side of the control box See Fig 15 The raceway provides the UL required clearance between high and low voltage wiring Heat Anticipator Settings Set heat anticipator settings at 0 14 amp for first stage and 0 14 for second stage heating when available Table 1 Physical Data 581B BASE UNIT 581B 036 048 060 072 NOMINAL CAPACITY tons 3 4 5 6 OPERATING WEIGHT Ib Unit 530 540 560 635 Perfect Humidity Adaptive Dehumidification System 15 23 25 29 EconoMi er IV 50 50 50 50 Roof Curb 115 115 115 115 COMPRESSOR Scroll Quantity 1 1 1 1 Oil 2 42 53 50 60 REFRIGERANT TYPE R 22 Expansion Device Acutrol Metering Device Operating Charge Ib oz Standard Unit 5 8 10 2 10 0 12 8 Unit With Perfect Humidity Adaptive Dehumidification System 12 5 18 8 20 5 23 14 CONDENSER FAN Propeller Quantity Diameter in 1 22 1 22 1 22 1 22 Nominal Cfm 3500 3500 4100 4100 Motor Hp Rpm 1 4 825 1 4 825 1 4 1100
131. t required if top crating is left on unit and rollers may be used to move unit across a roof Level by using unit frame as a reference See Table 1 and 2 and Fig 6 for additional information Operating weight is shown in Table 1 and 2 and Fig 6 Lifting holes are provided in base rails as shown in Fig 8 and 9 Refer to rigging instructions on unit 4 WARNING PROPERTY DAMAGE HAZARD Failure to follow this warning could result in personal injury death and property damage All panels must be in place when rigging and lifting Positioning Maintain clearance around and above unit to provide minimum distance from combustible materials proper airflow and service access See Fig 7 8 and 9 Position unit on roof curb so that the following clearances are maintained 1 4 in clearance between the roof curb and the base rail inside the front and rear 0 0 in clearance between the roof curb and the base rail inside on the duct end of the unit This will result in the distance between the roof curb and the base rail inside on the condenser end of the unit being approximately equal to Fig 2 section C C Do not install unit in an indoor location Do not locate unit air inlets near exhaust vents or other sources of contaminated air D ALT ROOF CURB CONNECTOR ACCESSORY 581B036 072 CRBTMPWROOTAO s 975 TO NPT CRRFCURB001A01 002 01 a m NPT 17 4 81 7 j 2 1 581 024 060
132. t unit with sleeper rails using unit curb or adapter support area If sleeper rails cannot be used support the long sides of the unit with a minimum of 3 equally spaced 4 in x 4 in pads on each side Step 2 Field Fabricate Ductwork Secure all ducts to roof curb and building structure on vertical discharge units Do not connect ductwork to unit For horizontal applications field supplied isolation flanges should be attached to horizontal discharge openings and all ductwork should be secured to the flanges Insulate and weatherproof all external ductwork joints and roof openings with counter flashing and mastic in accordance with applicable codes Ducts passing through an unconditioned space must be insulated and covered with a vapor barrier If a plenum return is used on a vertical unit the return should be ducted through the roof deck to comply with applicable fire codes A minimum clearance is not required around ductwork Cabinet return air static pressure a negative condition shall not exceed 0 35 in wg with economizer or 0 45 in wg without economizer These units are designed for a minimum continuous return air temperature in heating of 50 F dry bulb or an intermittent operation down to 45 F dry bulb such as when used with a night setback thermostat To operate at lower return air temperatures a field supplied outdoor air temperature control must be used to initiate both stages of heat when the temperature is
133. tendedto 180 seconds When one flash of the LED light emitting diode is observed the evaporator fan on off delay has been modified If the limit switch trips at the start of the heating cycle during the evaporator on delay the time period of the on delay for the next cycle will be 5 seconds less than the time at which the switch tripped Example If the limit switch trips at 30 seconds the evaporator fan on delay for the next cycle will occur at 25 seconds To prevent short cycling a 5 second reduction will only occur if a minimum of 10 minutes has elapsed since the last call for heating The evaporator fan off delay can also be modified Once the call for heating has ended there is a 10 minute period during which the modification can occur If the limit switch trips during this period the evaporator fan off delay will increase by 15 seconds A maximum of 9 trips can occur extending the evaporator fan off delay to 180 seconds To restore the original default value reset the power to the unit To Shut Off Unit Set system selector switch at off position Resetting heating selector lever below room temperature will temporarily shut unit off until space temperature falls below thermostat setting Safety Relief A soft solder joint at the suction line fitting provides pressure relief under abnormal temperature and pressure conditions Ventilation Continuous Fan Set fan and system selector switches at ON and OFF positions re
134. the four motor mounting bolts from the mounting plate To adjust belt tension 1 Loosen the two motor mounting nuts as shown in Fig 42 Some models may have a third mounting nut located on the opposite side of the fan motor mounting plate 2 Slide motor mounting plate away from fan scroll for proper belt tension 1 2 in deflection with 8 to 10 Ib of force and tighten mounting nuts 3 Adjust lock bolt and nut on mounting plate to secure motor in fixed position 25 581B C Table 7 Sensor Standard Settings VENTILATION ANALOG CO2 OPTIONAL RELAY SETTING EQUIPMENT OUTPUT RATE OUTPUT CONTROL RANGE RELAY SETPOINT HYSTERESIS 0 10V 1 Proportiona Any 4 20 mA 0 2000 1000 50 Interface w Standard 2 10V 2 Building Control System Proportiona Any 7 20 mA 0 2000 1000 50 0 10V 3 Exponential Any 4 20 mA 0 2000 1100 50 0 10V 4 Proportional 15 4 20 mA 0 1100 1100 50 z 0 10V 5 Proportional 20 4 20 mA 0 900 900 50 0 10V 6 Exponential 15 4 20 mA 0 1100 1100 50 7 Exponential 20 0 900 900 50 8 Health amp Safety Proportional 0 9999 5000 500 Parking Air Intakes 0 10V 9 Loading Docks Proportional 4 20 mA 0 2000 700 50 LEGEND ppm Parts Per Million 0 35 0 3 0 25 2 0 2 n 0 15 0 1 4 amp 5ton
135. uctuates above 55 or below 50 F the dampers will be modulated open or close to bring the supply air temperature back within the set point limits Integrated EconoMi er IV operation on single stage units requires a 2 stage thermostat Y1 and 2 For EconoMi er IV operation there must be a thermostat call for the fan G This will move the damper to its minimum position during the occupied mode If the increase in cooling capacity causes the supply air temperature to drop below 45 F then the outdoor air damper position will be fully closed If the supply air temperature continues to fall the outdoor air damper will close Control returns to normal once the supply air temperature rises above 48 F If optional power exhaust is installed as the outdoor air damper opens and closes the power exhaust fans will be energized and deenergized If field installed accessory CO sensors are connected to the EconoMi er IV control a demand controlled ventilation strategy will begin to operate As the CO level in the zone increases above the CO2 set point the minimum position of the damper will be increased proportionally As the CO level decreases because of the increase in fresh air the outdoor air damper will be proportionally closed Damper position will follow the higher demand condition from DCV mode or free cooling mode Damper movement from full closed to full open or vice versa will take between 1 1 2 and 2 1 2 minutes If
136. ut off Evaporator fan will shut off after a 60 000 AND 120 000 BTUH 90 000 BTUH 1 30 second delay NOMINAL INPUT NOMINAL INPUT To Shut Off Unit Set the system selector switch at OFF o Natural Liquid Natural Liquid position Resetting the thermostat at a position above room Gas Propane Gas Propane d Orifice Orifice Orifice Orifice temperature shuts off the unit temporarily until the space Sizet Sizet Size Sizet temperature exceeds the thermostat setting Units are equipped 0 2 000 38 45 32 42 with a Cycle LOC protection device The unit shuts down on 2 000 40 47 33 43 any safety trip and remains off an indicator light on the 3 000 41 48 25 43 thermostat comes on Check the reason for the safety trip 4 000 42 49 36 44 Main Burners 3 000 of 45 6 000 43 50 38 45 Main burners are factory set and should require no adjustment 7 000 44 50 39 46 TO CHECK ignition of main burners and heating controls move 8 000 45 51 41 47 thermostat set point above room temperature and verify that the 9 000 46 52 42 48 burners light and evaporator fan is energized Check heating 47 52 43 49 effect then lower the thermostat setting below the room 53 a4 30 t 12 000 49 53 44 51 emperature and verify that the burners and evaporator fan turn off 13 000 50 54 46 52 14 000 51 54 47 52 Refer to Tables 35 and 36 for the correct orifice to use at high altitudes the height above sea level increases there is less oxygen per cubic

Bryant 581B036--072 Air Conditioner User Manual

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