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Page 35

LGM/LCM036, 048, 060, 074

FIGURE 38

ATTACH LIGHT ASSEMBLY

#8 SCREWS

UVC LIGHT
ASSEMBLY

Lamp Disposal

Hg-LAMP Contains Mercury

.—Manage in accordance

with local, state and federal disposal laws. Refer to
www.lamprecycle.org or call 800-953-6669.

Proper Clean-up Technique in Case of Lamp

Breakage

Wear protective gloves, eye wear and mask.

Sweep the broken glass and debris into a plastic bag, seal
the bag, and dispose of properly. Contact your local waste
management office for proper disposal.

Do not use a vacuum cleaner. Do not incinerate.

Содержание LCM036

Страница 1: ...ors Page 22 Cooling Operation Page 25 INSTALLATION INSTRUCTIONS LGM LCM036 048 060 074 3 4 5 and 6 Ton GAS AND COOLING PACKAGED UNITS 508108 01 1 2021 CAUTION As with any mechanical equipment contact...

Страница 2: ...3 29 737 7 178 BOTTOM RETURN AIR OPENING BOTTOM CONDENSATE OUTLET 25 3 4 654 BOTTOM POWER ENTRY 3 X 8 76 X 203 18 3 8 467 19 1 2 495 5 1 2 140 FORKLIFT SLOTS Front Back and Blower End HORIZONTAL RETUR...

Страница 3: ...L GAS VALVE BURNERS COMBUSTION AIR INDUCER BLOWER DIRECT DRIVE TXV UNIT CONTROLLER REHEAT COIL OPTIONAL COIL GUARDS OPTIONAL LCM036 048 060 074 PARTS ARRANGEMENT 8 8 8 8 ELECTRIC HEAT Optional EVAPORA...

Страница 4: ...recycling or reclaiming must be followed Fines and or incar ceration may be levied for non compliance WARNING Electric shock hazard and danger of explosion Can cause injury death or product or propert...

Страница 5: ...The roof mounting frame should be square and level to 1 16 per linear foot 5mm per linear meter in any direction 3 Duct must be attached to the roof mounting frame and not to the unit supply and retur...

Страница 6: ...the separately ordered horizontal air discharge kit Place the kit panel over the downflow return air opening 4 Remove and retain the barometric relief dampers and lower hood FIGURE 3 DOWNFLOW RETURN...

Страница 7: ...e of the mullion FIGURE 7 CONDENSATE DRAIN MULLION Two hinge screws must be removed in addition to the mullion screws See figure 8 FIGURE 8 CONDENSATE DRAIN MULLION REMOVE TWO SCREWS UNITS WITH HINGED...

Страница 8: ...the unit gas connection must be as shown in table 1 TABLE 1 OPERATING PRESSURE AT GAS CONNECTION w c Natural Gas LP Propane Gas Min Max Min Max 036 074 4 5 10 5 11 13 When making piping connections a...

Страница 9: ...for gas leaks CAUTION Some soaps used for leak detection are corrosive to certain metals Carefully rinse piping thoroughly after leak test has been completed Do not use matches candles flame or othe...

Страница 10: ...inal to the 208V terminal Place the insulated terminal cover on the unused 240V terminal 2 Route power through the bottom power entry area and connect to L1 L2 and L3 on the top of K1 in control area...

Страница 11: ...ic thermostats If using other temperature control devices or energy management systems see instructions and wiring diagram provided by manufacturer IMPORTANT Terminal connections at the wall plate or...

Страница 12: ...onductors with overall shield Belden type 8760 or 88760 plenum or equivalent Connect both cable shield drain wires to the Unit Controller as shown in figure 17 FIGURE 17 FIELD WIRING REHEAT UNITS Usin...

Страница 13: ...witch Voltage must be within range listed on nameplate If not consult power company and have voltage condition corrected before starting unit 5 Make sure filters are new and in place before start up B...

Страница 14: ...oling typically 60 of full load CFM TABLE 4 DIRECT DRIVE PARAMETER SETTINGS Parameter Factory Setting Field Setting Description 036 048 060 074 Note Any changes to Smoke CFM setting must be adjusted b...

Страница 15: ...84 326 2024 354 2062 380 2100 403 2137 426 2174 448 2211 474 2248 499 2285 525 2322 553 2359 582 1700 2007 319 2045 346 2083 373 2120 399 2157 423 2193 445 2229 466 2264 489 2300 516 2336 544 2372 573...

Страница 16: ...2067 396 2109 425 2151 453 2193 481 2235 507 2277 532 2318 558 2358 585 2397 614 1700 1987 321 2033 352 2078 382 2122 412 2163 441 2204 469 2244 498 2286 525 2327 551 2368 578 2408 606 2446 638 2484...

Страница 17: ...04 458 2245 484 2286 511 2327 538 2366 567 2403 598 1800 1998 318 2041 347 2085 375 2128 402 2171 427 2213 451 2254 475 2294 500 2334 528 2374 557 2412 588 2449 621 2484 655 1900 2102 341 2143 371 218...

Страница 18: ...81 2397 609 2434 638 1700 2030 345 2078 377 2126 409 2170 439 2212 469 2253 498 2294 526 2336 553 2376 579 2415 606 2453 635 2490 668 2525 703 1800 2141 391 2187 423 2231 454 2274 484 2315 514 2356 54...

Страница 19: ...TA Air Volume cfm 1 Effective Throw ft RTD11 95S FD11 95S 2600 24 29 19 24 2800 25 30 20 28 3000 27 33 21 29 1 Effective throw based on terminal velocities of 75 ft per minute FACTORY INSTALLED OPTION...

Страница 20: ...ing pressures Pressures are listed for sea level applications at 80 F dry bulb and 67 F wet bulb return air 4 Compare the normal operating pressures to the pressures obtained from the gauges Minor var...

Страница 21: ...on each unit Optional controls are identified on wiring diagrams by arrows at junction points 1 High Pressure Switch S4 The compressor circuit is protected by a high pressure switch which opens at 640...

Страница 22: ...n addition the Unit Controller uses these temperatures to initiate alarms such as loss of condenser or evaporator airflow and loss of charge Each thermistor must be specifically placed for proper unit...

Страница 23: ...THERMISTOR LOCATION RT42 46 060U 074 FOUR ROW EVAPORATOR COIL VIEW FROM FRONT SIDE OF UNIT FIGURE 22 RT42 RT46 DISTRIBUTOR TUBE CLAMP THERMISTOR TO BARE COPPER NOT THE DISTRIBUTOR SLEEVE SUCTION LINE...

Страница 24: ...Page 24 LGM LCM036 048 060 074 THERMISTOR LOCATION RT44 RT48 036 048 CONDENSER COIL VIEW FROM FRONT SIDE OF UNIT FIGURE 23 RT48 RT44 LIQUID LINE EXIT...

Страница 25: ...mper has been at full open for three minutes Note Free cooling is locked out when a dehumidification demand is received The unit operates in dehumidification mode as if the outdoor air is not suitable...

Страница 26: ...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 27: ...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 28: ...energized Pressure can be checked on the reheat line pressure tap Pressure on the reheat line should match discharge pressure closely in reheat mode Default Reheat Operation During reheat mode free co...

Страница 29: ...EHEAT VALVE RETURN AIR CONDENSER COIL OUTDOOR AIR COMPRESSOR SUPPLY AIR CHECK VALVE EXPANSION VALVE FIGURE 25 COIL COOLING MODE REFRIGERANT ROUTING REHEAT COIL EVAPORATOR REHEAT VALVE RETURN AIR CONDE...

Страница 30: ...filter frame when reinstalling filters See figure 27 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...

Страница 31: ...TUH 5 BURNERS 65 000 BTUH 3 BURNERS SENSOR IGNITOR SENSOR IGNITOR SENSOR IGNITOR D Combustion Air Inducer Gas Units A combustion air proving switch checks combustion air inducer operation before allow...

Страница 32: ...season Clean using mild detergent or commercial coil cleaner Flush coil and condensate drain with water taking care not to get insulation filters and return air ducts wet G Condenser Coil Clean conden...

Страница 33: ...et See figure 34 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 34: ...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 Place the new lamp in the holder clips of the UV...

Страница 35: ...and federal disposal laws Refer to www lamprecycle org or call 800 953 6669 Proper Clean up Technique in Case of Lamp Breakage Wear protective gloves eye wear and mask Sweep the broken glass and debr...

Страница 36: ...ption installed Change the appropriate character in the configuration I D For example when an economizer is installed using a single enthalpy sensor change configuration I D 1 the second character to...

Страница 37: ...Stage D Unconfigured U Power Exhaust Control 4 Not 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...

Страница 38: ...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 40 10 Reserved N Not Installed Not Installed...

Страница 39: ...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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