Lennox KHA SERIES Скачать руководство пользователя страница 34 | Manualshive

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Page 34

FIGURE 13

REMOVE FILTERS

PULL TO
REMOVE

FILTERS

TOP VIEW

OUTDOOR

COILS

BLOWER

FIGURE 14

ENDPLATE IS SECURED

TO MULLION

1−

Remove screws securing coil end plate to mullion.

2−

Remove clips connecting coils slabs and separate

slabs 3−4" (76−102mm).

3−

Clean coils with detergent or commercial coil cleaner.

4−

Rinse thoroughly with water and reassemble

.

CLEAN OUTDOOR COIL

SUPPLY

AIR

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Содержание KHA SERIES

Страница 1: ...ation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier CAUTION Danger of sharp metallic edges Can cause injury Take care when servici...

Страница 2: ...D10N 1 17W90 X K1GARD10AP1 53W22 X Hinged Access Panels O O O O O O CONTROLS Smoke Detector Supply or Return Power board and one sensor C1SNSR44AP1 53W78 X X X X X X Smoke Detector Supply and Return P...

Страница 3: ...X X X X X X ELECTRIC HEAT 7 5 kW 208 230V 1ph T1EH0075AN1P 14W32 X X X X X 208 230V 3ph T1EH0075AN1Y 14W35 X X X X 460V 3ph T1EH0075AN1G 14W39 X X X X 575V 3ph T1EH0075AN1J 14W43 X X X X 10 kW 208 23...

Страница 4: ...13K56 X Transitions Supply and Return Order one T1TRAN10AN1 17W53 X X X X X T1TRAN20N 1 17W54 X ROOF CURBS downFlow Cliplock 8 in height T1CURB23AN1 16W93 X X X X X 1 X K1CURB23AP1 52W20 X 14 in heigh...

Страница 5: ...il Fan Motor HP 1 4 1 4 1 4 1 4 Motor rpm 825 825 825 825 Total motor watts 250 250 250 250 Diameter in No of blades 24 3 24 3 24 3 24 3 Total air volume cfm 3300 3300 3300 3300 Indoor Coil Net face a...

Страница 6: ...c Expansion Valve removeable power head 5 Indoor Blower Drive Selection Nominal Motor HP 1 5 hp 6 2 hp 1 5 hp 6 2 hp 1 5 hp 2 hp Maximum Usable Motor HP 1 72 hp 2 3 hp 1 72 hp 2 3 hp 1 72 hp 2 3 hp Av...

Страница 7: ...030S 0 0 1199 928 838 1379 1085 877 0 1 1229 926 813 1409 1086 872 0 2 1206 928 782 1367 1094 850 0 3 1183 881 742 1350 1047 820 0 4 1159 843 686 1321 1009 783 0 5 1136 812 643 1282 981 762 0 6 1103 7...

Страница 8: ...5 1266 1994 1647 1172 0 4 1813 1495 1033 1986 1678 1204 1918 1597 1134 0 5 1762 1444 976 1909 1621 1164 1861 1534 1096 0 6 1694 1391 899 1814 1535 1082 1765 1485 1059 0 7 1609 1331 817 1718 1478 1000...

Страница 9: ...1171 0 52 1213 0 55 1252 0 59 1289 0 62 1324 0 66 1300 1044 0 47 1091 0 49 1137 0 53 1181 0 56 1221 0 60 1259 0 64 1296 0 68 1330 0 71 1400 1058 0 51 1105 0 54 1150 0 57 1191 0 61 1231 0 65 1268 0 69...

Страница 10: ...230 0 79 1265 0 83 1299 0 87 1332 0 91 1364 0 95 1800 1133 0 73 1174 0 77 1209 0 81 1244 0 85 1278 0 90 1311 0 94 1343 0 98 1375 1 02 1900 1156 0 80 1193 0 84 1226 0 89 1260 0 93 1293 0 97 1325 1 01 1...

Страница 11: ...8 1 01 1294 1 05 1325 1 09 1351 1 14 1376 1 19 2200 1170 0 97 1206 1 01 1242 1 05 1277 1 09 1311 1 14 1341 1 18 1365 1 23 1390 1 28 2300 1193 1 06 1228 1 09 1262 1 14 1295 1 19 1327 1 24 1355 1 29 138...

Страница 12: ...6 1 10 1130 1 16 1164 1 21 1197 1 26 1231 1 30 2700 1023 1 01 1057 1 08 1091 1 15 1125 1 22 1159 1 27 1192 1 32 1225 1 37 1258 1 41 2800 1053 1 13 1088 1 21 1122 1 27 1155 1 33 1188 1 39 1221 1 43 125...

Страница 13: ...1 00 1 10 1 20 1 30 1 40 1 50 1 60 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Kit A04 Kit A08 1900 1126 0 77 1163 0 81 1200 0 85 1237 0 88 1273 0 92 1306 0 96 1339 1 00 1371 1 04...

Страница 14: ...0 04 2000 0 05 0 18 0 06 0 05 2200 0 05 0 20 0 08 0 06 2400 0 05 0 22 0 09 0 07 2600 0 06 0 24 0 10 0 08 2800 0 06 0 26 0 11 0 09 3000 0 06 0 28 0 13 0 10 CEILING DIFFUSER AIR THROW DATA Air Volume c...

Страница 15: ...ly 21 22 ELECTRIC HEAT DATA Electric Heat Voltage 208 240 208 240 2 Maximum Overcurrent Protection Unit Electric Heat 7 5 kW 60 60 60 70 10 kW 70 80 70 80 3 Minimum Circuit Ampacity Unit Electric Heat...

Страница 16: ...70 70 70 70 70 35 35 35 30 30 30 3 Minimum Circuit Ampacity Unit Electric Heat 7 5 kW 61 66 68 73 39 42 41 44 42 45 22 23 24 17 17 18 15 kW 95 105 102 112 58 64 61 67 62 68 33 34 35 26 26 27 2 Maximum...

Страница 17: ...70 80 35 35 35 30 30 30 3 Minimum Circuit Ampacity Unit Electric Heat 7 5 kW 67 72 74 80 43 46 45 48 46 49 23 24 24 18 19 19 15 kW 101 111 108 119 62 68 65 71 66 72 34 35 35 27 28 28 2 Maximum Overcur...

Страница 18: ...0 175 90 100 90 100 50 50 40 40 3 Minimum Circuit Ampacity Unit Electric Heat 7 5 kW 81 86 51 51 52 52 26 26 20 20 15 kW 114 125 68 74 69 75 37 38 29 29 22 5 kW 148 164 88 97 89 98 48 49 38 39 2 Maxim...

Страница 19: ...30 kW 125 125 125 125 70 70 50 50 3 Minimum Circuit Ampacity Unit Electric Heat 7 5 kW 53 56 54 57 28 29 22 23 15 kW 73 79 74 80 40 40 31 32 22 5 kW 92 102 93 102 51 51 40 41 30 kW 112 124 113 125 62...

Страница 20: ...700 1 12 6 43 000 2 18 9 64 500 1 25 2 86 000 230 1 6 9 23 500 1 9 2 31 400 1 13 8 47 000 2 20 7 70 700 1 27 5 93 900 240 1 7 5 25 600 1 10 0 34 200 1 15 0 51 200 2 22 5 76 800 1 30 0 102 400 440 1 6...

Страница 21: ...ER REVERSING VALVE DEFROST CONTROL BOARD CMC1 FILTERS 024 030 036 048 16 X 20 X 2 060S 20 X 20 X 2 TB1 LOW VOLTAGE TERMINAL BLOCK INDOOR TXV OUTDOOR TXV KHA CONTROL BOX FIGURE 2 T1 CMC1 FAN RELAY K10...

Страница 22: ...e con denser fan in response to thermostat demand Single phase units use single pole double break contactors and three phase units use three pole double break con tactors 6 Low Ambient Kit Relay K58 o...

Страница 23: ...ns or 14 minutes have passed If the jumper is not re moved until after the additional 5 second period has elapsed the defrost will terminate and the test option will not function again until the jumpe...

Страница 24: ...FIGURE 5 EVAPORATOR COIL RETURN AIR SECTION INDOOR BLOWER SECTION ELECTRIC HEAT SECTION INDOOR EXPANSION VALVE REVERSING VALVE CONTROL SECTION COMPRESSOR DRIER PROCESS TUBE used for charging OUTDOOR...

Страница 25: ...the freezestat is tripping frequently due to coil icing check the airflow filters and unit charge before allowing unit back in op eration Make sure to eliminate conditions which might pro mote indoor...

Страница 26: ...de by changing speed taps Belt drive motors are equipped with sealed ball bearings Direct drive motors are equipped with sleeve bearings Units may be equipped with motors manufactured by various manuf...

Страница 27: ...motor pulley Loosen Allen screw and turn adjustable pulley clock wise to increase CFM Turn counterclockwise to de crease CFM See figure 8 Do not exceed minimum and maximum number of pulley turns as sh...

Страница 28: ...ngth X See figure 10 2 Apply perpendicular force to center of span X with enough pressure to deflect belt 1 64 for every inch of span length or 1 5mm per 100mm of span length MEASURE BELT TENSION FIGU...

Страница 29: ...rmostat is factory set to open at 220_F 6_F 104_C 3 3_C on a temperature rise and can be manually reset when temperature falls be low 160_F 71 0_C See figure 12 for location 4 Terminal Strip TB2 Termi...

Страница 30: ...2 4 208 230V 3P 50 A 250V 3 3 460V 25 A 600V 3 3 575V 20 A 600V 3 3 T1EH00225 208 230V 1P 40 A 250V 40A 250V 3 6 208 230V 3P 45 A 250V 45A 250V 3 6 460V 3P 35 A 600V 3 3 575V 3P 30 A 600V 3 3 T1EH0300...

Страница 31: ...de energized in the heating mode KHA Units With Optional Electric Heat An increased heating demand W2 will energize elec tric heat Electric heat is also energized during the de frost cycle to maintai...

Страница 32: ...some component in the system Correct any system problems before proceeding 6 If discharge pressure is high remove refrigerant from the system If discharge pressure is low reclaim the charge evacuate t...

Страница 33: ...th temporary filters which need to be replaced before the building is occupied See table 11 for correct filter size Refer to local codes or appropriate juris diction for approved filters Approved filt...

Страница 34: ...URE 14 ENDPLATE IS SECURED TO MULLION 1 Remove screws securing coil end plate to mullion 2 Remove clips connecting coils slabs and separate slabs 3 4 76 102mm 3 Clean coils with detergent or commercia...

Страница 35: ...achment FIGURE 15 ASSEMBLED ROOF MOUNTING FRAME FIGURE 16 ROOF MOUNTING FRAME Extends around entire perimeter of unit FIBERGLASS INSULATION Furnished COUNTER FLASHING Field Supplied UNIT BASE BOTTOM R...

Страница 36: ...OTOR A7 ENTHALPY SENSOR OTHER SIDE OF PANEL POWER EXHAUST WIRES ONLY CONNECTED WHEN UNIT IS EQUIPPED WITH POWER EXHAUST MIXED AIR SENSOR R1 AND WIRING IN THIS BUNDLE Optional Sensors An optional diffe...

Страница 37: ...position can be set lower than traditional minimum air requirements when an IAQ sensor is specified Dampers will open to DCV MAX setting if CO2 is above setpoint to meet traditional ventilation requi...

Страница 38: ...mostat During the occupied period dampers will open to DCV MAX when IAQ reading is above setpoint regardless of thermostat demand or outdoor air suitability DCV MAX will NOT override damper full open...

Страница 39: ...ir blowers are operating See figure 21 and installation instructions for more detail H Dirty Filter Switch S27 The dirty filter switch senses static pressure increase indi cating a dirty filter condit...

Страница 40: ...Page 40 VII WIRING DIAGRAMS SEQUENCE OF OPERATION KHA024 036 048 060 P Voltage 1 2 5 9 3 11 6 7 8 4 4 5 5 8 9 9 10...

Страница 41: ...Page 41 KHA036 048 060 Y Voltage 1 2 5 9 3 11 6 7 8 4 4 5 5 8 9 9 10...

Страница 42: ...Page 42 KHA036 048 060 G J Voltage 1 2 5 9 3 11 6 7 8 4 4 5 5 7 9 9 10 11...

Страница 43: ...d after unit has been in cool ing mode indoor thermostat in HEATING mode will de energize reversing valve L1 8 Heating demand energizes W1 in the thermostat Relay K8 is energized N C K8 1 opens de ene...

Страница 44: ...STAT POWER 1 Terminal strip TB1 found in the main control box supplies thermostat components with 24VAC OPERATION 2 TB1 receives data from the electronic thermostat A2 Y1 Y2 W1 W2 G and energizes the...

Страница 45: ...ents with 24VAC OPERATION 2 Enthalpy sensor A7 and A62 if differential enthalpy is used communicates to the economizer control module A6 when to power the damper motor B7 3 Economizer control module A...

Страница 46: ...Page 46 T1EH 7 5 10 15 22 5 kW P VOLTAGE 1 3 4 5 6 7 2 4 4 4 7 7 7...

Страница 47: ...Page 47 T1EHA 7 5 15 22 5kW Y VOLTAGE KHA SERIES UNITS 1 3 4 5 6 7 2 4 7...

Страница 48: ...Page 48 T1EHA 7 5 15 22 5kW G J VOLTAGE KHA SERIES UNITS 1 3 4 5 6 7 2 4 7...

Страница 49: ...15 1 open de energizing HE1 15kW units K15 1 and K15 2 open de energizing HE2 and HE3 22 5kW units K15 1 K16 1 and K16 2 open de ener gizing HE4 HE5 and HE6 Sequence of Operation T1EH 7 5 15 22 5kW Y...

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