Lennox LHT/LDT024 Скачать руководство пользователя страница 3 | Manualshive

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LHT/LDT024, 036, 048, 060

LHT024, 036, 048, 060, PARTS ARRANGEMENT

8.8.8.8

EVAPORATOR

COIL

CONDENSER

FAN

CONDENSATE

DRAIN

FILTERS

ECONOMIZER

(OPTIONAL)

BLOWER

COMPRESSOR

CONDENSER

COIL

REVERSING

VALVE

INDOOR

TXV

OUTDOOR

TXV

UNIT

CONTROLLER

ELECTRIC

HEAT

LDT024, 036, 048, 060 PARTS ARRANGEMENT

8.8.8.8

EVAPORATOR

COIL

CONDENSER

FAN

CONDENSATE

DRAIN

FILTERS

ECONOMIZER

(OPTIONAL)

BLOWER

COMPRESSOR

CONDENSER

COIL

REVERSING

VALVE

GAS VALVE

BURNERS

COMBUSTION

AIR INDUCER

INDOOR

TXV

OUTDOOR

TXV

UNIT

CONTROLLER

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Содержание LHT/LDT024

Страница 1: ...s Page 26 INSTALLATION INSTRUCTIONS LHT LDT024 LHT LDT036 LHT LDT048 LHT LDT060 2 Ton 3 Ton 4 Ton 5 Ton HEAT PUMP AND DUAL FUEL PACKAGED UNITS 508303 01 10 2022 Cooling Operation Page 32 Gas Heat Star...

Страница 2: ...TOM SUPPLY AIR OPENING TOP VIEW Base CENTER OF GRAVITY 9 1 2 241 6 5 8 168 26 1 2 673 5 5 8 143 29 737 7 178 BOTTOM RETURN AIR OPENING BOTTOM CONDENSATE OUTLET 25 3 4 654 BOTTOM POWER ENTRY 3 X 8 76 X...

Страница 3: ...BLOWER COMPRESSOR CONDENSER COIL REVERSING VALVE INDOOR TXV OUTDOOR TXV UNIT CONTROLLER ELECTRIC HEAT LDT024 036 048 060 PARTS ARRANGEMENT 8 8 8 8 EVAPORATOR COIL CONDENSER FAN CONDENSATE DRAIN FILTER...

Страница 4: ...Installation of Residence Type Warm Air Heating and Air conditioning Systems NFPA No 90B local municipal building codes and manufacturer s installation instructions IMPORTANT The Clean Air Act of 1990...

Страница 5: ...air by pass and promote a proper seal with the RTU duct work duct drops diffuser assemblies must be supported independently to the building structure A Downflow Discharge Application Roof Mounting wit...

Страница 6: ...ght with all available factory installed accessories 378 400 Unit Weight Lbs Kg CAUTION Do not walk on unit 833 881 Horizontal Air Discharge Unit is shipped with panels covering the horizontal supply...

Страница 7: ...mm per 10 3 m of line MOUNTING FRAME OPEN VENT CONDENSATE SIDE DRAIN CONNECTION NOTE Allow clearance to open doors when installing condensate piping CAULK AROUND CONDENSATE COUPLING FIGURE 6 UNIT Min...

Страница 8: ...Replace the condensate drain mullion Connect Gas Piping Gas Units Before connecting field provided piping check with gas company or authorities having jurisdiction for local code requirements When ins...

Страница 9: ...ound joint type After all connections have been made check all piping connections for gas leaks Also check existing unit gas connections up to the gas valve loosening may occur during installation Use...

Страница 10: ...refer to the Unit Controller Setup Guide for start up instructions Electrical Connections Power Supply Do not apply power or close disconnect switch until installation is complete Refer to start up di...

Страница 11: ...up Guide to change the System Mode Use the mobile service app menu and select Settings Install Thermostat Mode 1 Route thermostat cable or wires from subbase to control area above compressor refer to...

Страница 12: ...r air temperature falls below setpoint the unit will operate in gas heat mode Note Only stage one is used stage 2 is not used Although the recommended balance point setpoint is 35 F the setpoint can b...

Страница 13: ...ately stop when power is interrupted to the Unit Controller Disconnect unit power before opening the blower compartment The Controller s digital inputs must be used to shut down the blower See Unit Co...

Страница 14: ...ATION CFM This is the percentage of torque for high static blower ventilation speed TABLE 3 ELECTRIC HEAT MINIMUM AIRFLOW kW CFM Direct Drive Direct Drive Impeller Style 5 600 NA 7 5 600 1200 10 600 N...

Страница 15: ...eed for standard static blowers BLOWER VENTILATION CFM Percentage of torque for high static blower ventilation speed SETUP TEST BALANCE DAMPER BLOWER HIGH CFM DAMPER POS Minimum damper position for hi...

Страница 16: ...498 1142 1 0 617 214 1102 806 269 1116 994 324 1130 1125 376 1144 1255 428 1157 1406 510 1184 1 1 561 219 1145 751 276 1157 941 332 1169 1071 384 1183 1200 436 1196 1347 518 1225 1 2 500 221 1185 691...

Страница 17: ...5 1109 1766 747 1135 1920 859 1161 2104 1038 1200 1 1 1148 434 1087 1366 545 1115 1583 655 1142 1734 765 1166 1885 874 1189 2060 1047 1227 1 2 1120 456 1124 1334 564 1149 1548 671 1173 1695 777 1195 1...

Страница 18: ...58 752 1143 1911 864 1169 2090 1042 1209 1 1 1144 437 1092 1360 548 1120 1576 659 1148 1725 769 1173 1874 878 1197 2043 1049 1236 1 2 1115 458 1129 1328 566 1154 1540 674 1179 1685 780 1202 1829 886 1...

Страница 19: ...0 2369 634 2408 671 2447 708 2000 2112 405 2158 438 2202 471 2246 503 2289 536 2331 568 2373 602 2413 640 2452 681 2490 723 2527 766 2564 809 2599 851 2200 2305 493 2347 531 2389 569 2429 608 2469 648...

Страница 20: ...469 2110 496 2153 520 1600 1778 258 1827 290 1876 323 1923 355 1970 386 2015 416 2059 444 2102 470 2144 494 2185 519 2227 545 2268 572 2309 600 1800 1973 352 2018 383 2063 415 2107 445 2151 476 2194...

Страница 21: ...78 650 2418 682 2458 714 2000 2127 415 2172 448 2217 481 2260 513 2303 546 2345 579 2385 614 2425 653 2464 693 2503 734 2541 774 2578 814 2614 855 2200 2321 507 2363 545 2404 583 2444 623 2484 664 252...

Страница 22: ...692 2484 727 2000 2202 451 2242 482 2283 513 2323 545 2363 577 2402 611 2440 646 2477 683 2512 722 2546 763 2579 804 2613 844 2645 884 2200 2408 559 2446 596 2483 633 2520 672 2555 712 2590 753 2623...

Страница 23: ...0 04 0 07 0 18 0 05 0 05 0 08 0 11 2400 0 13 0 04 0 05 0 08 0 20 0 05 0 05 0 08 0 12 Page 23 BLOWER DATA POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure in w g Air Volume Exhausted cfm...

Страница 24: ...rvice app menu path RTU MENU COMPONENT TEST COOLING COOLING STAGE 2 2 Units contain one refrigerant circuit Note Units are equipped with two stage compressors 3 Unit is charged with R 410A refrigerant...

Страница 25: ...uid temperature at condenser outlet minus ambient temperature 2 Approach temperature should be 3 8 F 1 2 1 C 0 5 An approach temperature greater than this value indicates an under charge An approach t...

Страница 26: ...and apply power to unit Defrost Control The defrost control ensures that the heat pump outdoor coil does not ice excessively during the heating mode The defrost control uses input from the coil and am...

Страница 27: ...Page 27 LHT LDT024 036 048 060 FIGURE 18 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE 22J06 LHT LDT024 036 048 INDOOR COIL RT46...

Страница 28: ...Page 28 LHT LDT024 036 048 060 FIGURE 19 YELLOW RT48 22J08 LHT LDT024 036 OUTDOOR COIL RT48...

Страница 29: ...Page 29 LHT LDT024 036 048 060 FIGURE 20 LHT LDT048 OUTDOOR COIL RT48 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE YELLOW RT48 22J08...

Страница 30: ...Page 30 LHT LDT024 036 048 060 FIGURE 21 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE LHT LDT060 INDOOR COIL RT46 22J06...

Страница 31: ...Page 31 LHT LDT024 036 048 060 FIGURE 22 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE LHT LDT060 OUTDOOR COIL RT48 YELLOW RT48 22J08...

Страница 32: ...Blower Low Dampers Modulate Y2 Demand Compressor On 024 units only Compressor Low 036 060 Blower High Dampers Full Open Note Compressor is energized after damper has been at full open for three minut...

Страница 33: ...Gas heat is also energized during the defrost cycle 2 Outdoor Temperature BELOW Balance Point Setpoint W1 Demand Compressor Off Blower Heating Speed Low Gas Heat Energized W2 Demand Compressor Off Blo...

Страница 34: ...y to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion WARNING Danger of explosion Can cause injury or death Do not attempt to light manually Un...

Страница 35: ...shes Ignition lockout from too many trials 4 Flashes Ignition lockout from too many flame losses within single call for heat 5 Flashes Control hardware fault detected C Limit Controls Limit controls a...

Страница 36: ...ilter frame when reinstalling filters See figure 24 NOTE Filters must be U L C certified or equivalent for use in Canada B Lubrication All motors are lubricated at the factory No further lubrication i...

Страница 37: ...ENTATION One and Two Stage Heat 150 000 BTUH 7 BURNERS 108 000 BTUH 5 BURNERS 65 000 BTUH 3 BURNERS SENSOR IGNITOR SENSOR IGNITOR SENSOR IGNITOR Clean combustion air inducer as follows 1 Shut off powe...

Страница 38: ...ly during the cooling season Condenser coils are made of single and two formed slabs On units with two slabs dirt and debris may become trapped between the slabs To clean between slabs carefully separ...

Страница 39: ...et See figure 30 Retain the screw to secure the back side of the ionizer bracket 2 Remove two screws securing the front side of the ionizer bracket and pull out of unit and clean brushes 3 Replace ion...

Страница 40: ...blower access door 6 Allow 10 minutes before touching the lamps Then carefully remove the old lamp from the lamp holder clips 7 Wear cotton gloves or use a cotton cloth when handling the new lamp Plac...

Страница 41: ...t office for proper disposal Do not use a vacuum cleaner Do not incinerate Maintenance For all maintenance contact a qualified HVAC technician Read the maintenance instructions before opening unit pan...

Страница 42: ...I D must change To configure the option use MAIN MENU SETUP INSTALL menu path Press SAVE until CONFIGURATION ID 1 or 2 appears depending on the option installed Change the appropriate character in the...

Страница 43: ...t Installed N Damper Position A A34 Pressure Sensor C 5 Network Module N Not Installed L LonTalk Lennox 6 Blower Variable Frequency Drive Bypass N Not Installed A Automatic Bypass M Manual Bypass U Un...

Страница 44: ...lled 1 Air Flow Proving Switch S52 3 Overflow Switch S149 S179 4 Reserved Reserved for future use N 7 Zone Bypass Damper N Not Installed Y Installed FIGURE 36 10 Reserved N Not Installed Not Installed...

Страница 45: ...voltage __________ Cooling Checks Compressor Rotation Ambient Temp ________Return Air Temp ________ Supply Air Temp ________ Compressor Amps Compressor Volts Pressures Condenser Fan Amps CC Heater Am...

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