Lennox FLATAIR FLCK Page 1 Installation, Operation And Maintenance Manual Download | Manualshive

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FLATAIR

FLCK / FLHK

English/03-2005

INSTALLATION

OPERATION &

MAINTENANCE MANUAL

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Summary of Contents for FLATAIR FLCK

Page 1: ...FLATAIR FLCK FLHK English 03 2005 INSTALLATION OPERATION MAINTENANCE MANUAL ...

Page 2: ... LOCATION AND WEIGHT DISTRIBUTION 2 5 INSTALLATION CLEARANCES 2 6 DRAINS 2 7 ELECTRICAL CONNECTIONS 3 1 PRELIMINARY CHECKS 3 2 STEPS TO FOLLOW FOR COMMISSIONING THE UNIT POINTS TO KEEP IN MIND PAGE 2 Lennox have been providing environmental solutions since 1895 our range of FLATAIR continues to meet the standards that have made LENNOX a household name Flexible design solutions to meet YOUR needs a...

Page 3: ...bligation to modify previously supplied goods These operating instructions contain useful and important information for the smooth operation and maintenance of your equipment The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the equipment and during its operation and how to ensure smooth and fault free operation Read the operating instructio...

Page 4: ...r Output Temperature Indoor Coil ºC High Pressure Low Pressure Options Installed ºC ºC ºC High Pressure Low Pressure ºC Comments COMPRESSOR OIL LEVEL INDICATOR UNIT ON SHOCK ABSORBERS DRAINAGE WITH TRAP CLEAN INTERIOR AIR FILTER CONTROL PANEL IDENTIFICATION CODE DATA PAGE FOR UNIT COMMISSIONING ELECTRIC POWER CONSUMPTION Compressor Fan outdoor section Compressor Fan outdoor section Fan indoor sect...

Page 5: ...r 35ºC DB Air intake temperature in the indoor exchanger 20ºC DB 12ºC WB Air intake temperature in the outdoor exchanger 7ºC DB 6ºC WB Refrigerant charge R 22 Refrigerant charge R 407C 2240 2560 3550 5000 7500 8200 8000 2620 2920 4000 5500 7000 Maximum air flow 2400 2350 3750 4350 Maximum available pressure 100 90 120 150 Pa 4500 5250 160 100 5000 120 m h 3 3400 3500 4950 5900 6600 6400 6400 Minim...

Page 6: ...rent 3 69 4 58 6 41 8 10 3 16 4 11 5 60 6 74 9 00 12 20 8 60 10 32 10 38 9 20 UNIT MODELS UNIT MODELS A A 3 50 4 31 6 11 7 92 16 7 7 2 19 3 8 7 19 9 11 5 22 4 12 9 2 93 3 44 4 94 6 60 8 80 11 78 7 80 9 43 25 3 14 6 36 5 21 0 10 36 8 43 28 5 16 3 A 7 4 7 4 4 3 A 52 0 30 0 44 0 25 4 39 8 23 0 37 2 21 5 31 7 18 3 25 0 14 4 22 4 12 9 A 24 3 2 6 2 6 7 4 4 3 7 4 4 3 7 4 4 3 3 1 3 1 4 8 2 8 7 4 4 3 8 1 4...

Page 7: ...40 4700 4700 2400 3525 4700 4500 4500 3200 4425 4250 4175 4000 6600 6400 6400 3500 3400 4950 5900 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 6490 6300 6300 3410 3325 4850 5800 6340 6200 6200 3300 3160 4750 5700 6225 6100 6100 3190 3075 4625 5600 6100 5980 5980 3080 2980 4525 5495 5960 5870 5870 2970 2890 4425 5390 5850 5725 5725 2840 2790 4325 5280 5710 5600 5600 2700 2690 4225 5180 ...

Page 8: ...LIMITS FOR COOLING ONLY UNITS OPERATING LIMITS FOR HEATING PUMP UNITS DB Dry Bulb Temperature WB Wet Bulb Temperature With condensation pressure control optional 0 ºC minimum outdoor operating temperature With kit got gas bypass valve DEPENDING ON MODEL TABLE 1 TABLE 1 COOLING CYCLE MAXIMUM OUTDOOR OPERATING TEMPERATURES MODELS Rated outdoor flow Minimum outdoor flow 10 12 16 22 24 28 30 MODELS WI...

Page 9: ...430 422 735 404 Air filter OUTDOOR SECTION INDOOR SECTION SIDE A SIDE B SIDE C SIDE D SIDE C SIDE D 25 Unit anchor support 1250 109 430 280 90 159 303 495 Distance between holes 1300 184 452 425 32 1250 495 Drainage outside thread 3 4 Male Electrical box 1250 820 349 27 303 305 25 Thermostat connection Power supply connection 123 20 SIDE A SID E B ...

Page 10: ...port 25 60 4 0 25 80 50 20 x12 Oval hole F 1330 1330 830 40 25 324 500 27 355 320 25 123 745 474 20 517 Thermostat connection Power supply connection Air filter SIDE A SID E B OUTDOOR SECTION INDOOR SECTION SIDE A SIDE B SIDE C SIDE D SIDE C SIDE D Drainage outside thread 3 4 Male Unit anchor support Distance between holes 1350 25 Electrical box ...

Page 11: ...0 x12 Oval hole F 1520 1520 900 40 26 324 620 92 814 593 SIDE A SID E B SIDE A SIDE B SIDE C SIDE D SIDE C SIDE D 47 355 25 300 32 515 5 OUTDOOR SECTION INDOOR SECTION Power supply connection Thermostat connection Air filter Drainage outside thread 3 4 Male Unit anchor support Distance between holes 1500 25 1 GENERAL CHARACTERISTICS Electrical box ...

Page 12: ...0 x12 Oval hole 1800 1800 1025 103 SIDE A SID E B SIDE A SIDE B SIDE C SIDE D SIDE C SID E D 25 677 124 355 40 26 214 775 565 5 537 939 748 OUTDOOR SECTION INDOOR SECTION Thermostat connection Power supply connection Air filter Drainage outside thread 3 4 Male Unit anchor support Distance between holes 1550 1 GENERAL CHARACTERISTICS 25 Electrical box ...

Page 13: ...OX STANDARD CONFIGURATION OPTIONAL CONFIGURATION O U TD O O R C O IL COMPRESSOR OUTDOOR FAN INDOOR FAN I N D O O R C O I L E B A0 A1 B0 B1 C1 C0 D0 D1 170 90 280 STANDARD EXTRACTOR OPENING OPTIONAL BLOWER OPENING 303 349 495 349 495 303 38 368 303 495 170 OPTIONAL EXTRACTOR OPENING OPTIONAL AIR RETURN OPENING STANDARD BLOWER OPENING 495 14 STANDARD AIR RETURN OPENING 425 495 425 495 123 43 43 495 ...

Page 14: ... MODEL 16 ELECTRICAL BOX STANDARD CONFIGURATION OPTIONAL CONFIGURATION O U TD O O R C O IL COMPRESSOR OUTDOOR FAN INDOOR FAN I N D O O R C O I L E B A0 A1 B0 B1 C1 C0 D0 D1 STANDARD EXTRACTOR OPENING OPTIONAL BLOWER OPENING OPTIONAL EXTRACTOR OPENING OPTIONAL AIR RETURN OPENING STANDARD BLOWER OPENING STANDARD AIR RETURN OPENING STANDARD BLOWER OPENING OPTIONAL BLOWER OPENING OUTDOOR SECTION INDOO...

Page 15: ... 6 UNIT OPENING SIZES MODEL 22 ELECTRICAL BOX STANDARD CONFIGURATION OPTIONAL CONFIGURATION STANDARD EXTRACTOR OPENING OPTIONAL BLOWER OPENING OPTIONAL AIR RETURN OPENING STANDARD BLOWER OPENING STANDARD AIR RETURN OPENING STANDARD BLOWER OPENING OPTIONAL BLOWER OPENING OPTIONAL EXTRACTOR OPENING OUTDOOR SECTION INDOOR SECTION 26 515 5 591 42 5 595 193 355 107 324 591 15 193 107 324 355 324 595 32...

Page 16: ...he initial position 1 6 UNIT OPENING SIZES MODELS 24 28 30 ELECTRICAL BOX STANDARD CONFIGURATION OPTIONAL CONFIGURATION STANDARD EXTRACTOR OPENING OPTIONAL BLOWER OPENING OPTIONAL AIR RETURN OPENING STANDARD BLOWER OPENING STANDARD AIR RETURN OPENING STANDARD BLOWER OPENING OPTIONAL BLOWER OPENING OUTDOOR SECTION INDOOR SECTION 26 565 5 658 82 645 223 355 95 327 658 107 213 258 327 355 410 645 410...

Page 17: ...hot gas from the compressor discharge side to the evaporator CONTROL USING A PROGRAMMABLE CONTROLLER With the programmable controller option the desired temperature can be programmed in the area 24 hours a day 7 days a week ELECTRIC HEATER Optionally these units can contain shielded element electric heating batteries that are mounted on the inside of the unit in the schematic opposite The electric...

Page 18: ...pter parts Sound muffler 600 41 660 420 660 400 Anti rain plate only models 10 12 16 Anti rain hood Outdoor air intake Air filter C B A F G D E OUTDOOR MOUNTING KIT Field assembly This option has to be ordered for packaged units when they will be installed outside The kit includes an air filter and grille for outdoor air intake which should be installed on the suction side of the outdoor unit an a...

Page 19: ... NO possibility of flooding if floor mounted 2 1 PRELIMINARY PREPARATIONS All INSTALLATION SERVICE and MAINTENANCE operations must be carried out by QUALIFIED PERSONNEL When positioning the unit be sure that the Rating Plate will always be visible since this data will be necessary to assure proper maintenance The units are designed to be installed with ducts calculated by qualified technical staff...

Page 20: ...en left on the fan motor assembly 4 Turn the fan motor assembly to its new position 90º horizontally and 180º on its shaft The motor should now be accessible from the Service Panel in this new position 5 Screw down the fan motor assembly in its new position using the supports 6 Assemble the Blower Panel with Opening and the Service Panel in its new position taking special care with the weather str...

Page 21: ... the supports that have been left on the fan motor assembly 4 Turn the fan motor assembly to its new position 90º horizontally and 180º on its shaft The motor should now be accessible from the Service Panel in this new position 5 Screw down the fan motor assembly in its new position using the supports 6 Assemble the Blower Panel with Opening and the Service Panel in its new position taking special...

Page 22: ... isolated with shock absorbing material such as anti vibration or pads If used consult the weight distribution table below to make the correct selection Keep in mind that fans rotate at approximately 850 rpm If the unit is hung M 10 threaded rods should be used along with shock absorbing ceiling supports UNIT HUNG WITH RODS 2 4 UNIT LOCATION AND WEIGHT DISTRIBUTION Fan Comp C o i l B E A F G Fan C...

Page 23: ...of these units and the outdoor sections for the Heat Pump have a steel threaded drain pipe welded to the condensation tray One PVC drain trap is supplied with the Cooling only units and two with the heat pump units Connect the trap s to the drain pipe s on the unit and mount the drain pipe with at least a 2 incline from the trap Also slightly tip the unit 2 toward the drainage side Check that the ...

Page 24: ...ECTIONS FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT 3 1 or 2 UNIT MODEL Shielded Cable POWER SUPPLY 230V THREE PHASE UNITS POWER SUPPLY 230V SINGLE PHASE UNITS Indoor Section Outdoor Section 3 10 1 3 x 4 2 x 1 3 x 16 3 16 12 22 10 24 30 28 4 x 4 4 x 4 4 x 6 4 x 10 4 x 10 4 x 10 4 x 16 2 x 1 2 x 1 2 x 1 2 x 1 2 x 1 2 x 1 2 x 1 4 x 10 4 x 16 4 x 10 4 x 16 4 x 25 4 x 25 4 x 25 3 16 12 22 10 ...

Page 25: ...IT ELECTRIC BOX Shielded cable two connection wires IDENTIFICATION CODE FOR THE CONTROL PANEL A 1 1 1 Type of control No of speeds of the indoor fan No of cooling stages No of heating stages Application C Cooling only H Heat pump Configuration Version BASIC TERMINAL DENOMINATION ACCESSORIES P Programmable Programming schedule INTERNAL FACTORY CODES For securing and connecting the Control Panel con...

Page 26: ...anel connections If the connection is wrong the unit will not operate and the control panel display will not light Inspect the Air Filter which should be in its housing and correctly positioned the metal grille should be toward the inside Check with your hand that the fans turn freely 3 1 PRELIMINARY CHECKS Close the unit and check that there are no loose panels Units have the correct refrigerant ...

Page 27: ...tronically Check that pressure switches stop the unit FOR THE COOLING CYCLE UNIT Stop the outdoor fan by disconnecting it The high pressure should rise and the pressure switch should stop the compressor at 27 5 kg cm Reconnect the fan and electrically reset the pressure switch by pressing the RESUME button on the Control Panel for 5 seconds and wait for the anti cycle time 5 minutes afterwards the...

Page 28: ...ns turn freely and in the correct direction without excesive noises CONTROL Check Set Points and normal operation AIR FILTER The air filter can be removed through the side by sliding it over the rail or down See figure For down removal remove the one or two profiles supporting it depending on the model which are under the filter guide rail and screwed into the unit The filter should be cleaned wit...

Page 29: ... and below through the schrader valves of the outdoor unit until 750 mm Hg is reached Once this level of vacuum has been reached keep the pump in operation for at least one hour DO NOT USE THE COMPRESSOR AS A VACUUM PUMP Charge the unit with refrigerant according to the data on the Rating Plate for the unit and check that there are no leaks 4 2 CORRECTIVE MAINTENANCE IMPORTANT MAKE SURE THAT THE U...

Page 30: ...n Low pressure switch defective Check the Cut off Pressure with a pressure gauge and change the Pressure switch if necessary Indoor Fan is not working Check for voltage and inspect the motor turbine and replace if necessary Indoor Fan turns in the wrong direction Switch the power phases Lack of refrigerant Leak Correct leak create vacuum and charge Dirty Air Filter Inspect and Clean Clogged Coolin...

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