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Page 40

START-UP REPORT  

Job Name:___________________________________

Store No.___________Start-Up Date:______________

Address:_____________________________________

City:______________________________State:______

Start-Up Contractor:____________________________

Technician:___________________________________

Model No.:___________________________________

Serial No.:____________________________________

RTU No.:________   Catalog No.:__________________

Inspections and Checks

Damage?

Yes

No

R22 

R410A 

If yes, reported to:____________________________

Verify factory and field-installed accessories.

Check electrical connections. Tighten if necessary.

Supply voltage:  L1-L2______L1-L3_____L2-L3_____

If unit contains a 208-230/240 volt transformer:
Check primary transformer tap 

Transformer secondary voltage: __________

Cooling Checks

Compressor Rotation  

    Ambient Temp.________Return Air Temp.________ Supply Air Temp.________

Compressor Amps

Compressor Volts

Pressures

Condenser Fan Amps

CC Heater Amps

L1

L2

L3

L1-L2

L1-L3

L2-L3

Disch.

Suct.

L1

L2

L3

L1

1

2

3

4

Blower Checks

Pulley/Belt Alignment    

Set Screws Tight           

Blower Rotation               

Belt Tension                     

Nameplate Amps:_________ Volts:_______________

Motor

         Amps

L1_________

L2_________

L3_________

                   Volts

L1-L2_____________

L1-L3_____________

L2-L3_____________

Heating Checks - Gas

Fuel type: Nat. 

  LP 

   Inlet Pressure:_____in. w.c.

Return Air Temp.:______  Supply Air Temp.:_____

Altitude:____________ Primary Limits Operate: 

CO2%:

Gas Valve

Manifold Pressure

Low Fire

High Fire

GV1

GV2

Control Type

Heating Checks - Electric

Return Air Temp.:______ Supply Air Temp.:______

Limits Operate: 

Amps

L1

L2

L3

L1

L2

L3

1

10

2

11

3

12

4

13

5

14

6

15

7

16

8

17

9

18

Accessory Checks

Power Exhaust Amps

1 _____________ 2 ____________       None  

Economizer Operation

Min. Pos.

Motor travel full open/close

Содержание LCM092U

Страница 1: ...Page 24 INSTALLATION INSTRUCTIONS LGM092U LCM092U LGM102U LCM102U LGM120U LCM120U LGM150U LCM150U 7 5 Ton 8 5 Ton 10 Ton 12 5 Ton PACKAGED UNITS 508116 01 1 2021 Prognostic Diagnostic Sensors Page 20...

Страница 2: ...NING 24 610 5 5 8 143 6 1 8 156 6 1 8 156 6 5 8 168 28 711 27 686 20 508 AA DD EE FF BOTTOM BASE BASE CONDENSATE 101 1 4 2572 BB CC BOTTOM SUPPLY AIR OPENING 60 1 8 1527 34 7 8 886 7 178 7 178 BOTTOM...

Страница 3: ...IR INDUCER IGNITION CONTROL REHEAT COIL OPTIONAL COMPRESSOR INVERTER BEHIND THE HINGED PANEL WIRELESS BOARD WIFI ANTENNA LCM092 102 120 150 PARTS ARRANGEMENT UNIT CONTROLLER EVAPORATOR COIL CONDENSER...

Страница 4: ...earances WARNING Electric shock hazard and danger of explosion Can cause injury death or product or property damage Turn off gas and electrical power to unit before performing any maintenance or servi...

Страница 5: ...of mounting frame NOTE Securely fasten roof frame to roof per local codes CAUTION To reduce the likelihood of supply return air by pass and promote a proper seal with the RTU duct work duct drops diff...

Страница 6: ...using both holes in each corner 3 All panels must be in place for rigging 4 Place field provided H style pick in place just above top edge of unit Frame must be of adequate strength and length H styl...

Страница 7: ...er access door Refer to figure 6 REMOVE THREE SCREWS PER HINGE FIGURE 6 CONDENSATE DRAIN MULLION UNITS WITH HINGED PANELS FILTER DOOR 3 Open filter access door hinges and carefully remove door 4 Remov...

Страница 8: ...Replace the condensate drain mullion and reinstall eight screws 14 Reinstall filter door on hinges Connect Gas Piping Gas Units Before connecting piping check with gas company or authorities having ju...

Страница 9: ...main shut off valve and union furnished by installer be installed in gas line external to unit Union must be of the ground joint type After all connections have been made check all piping connections...

Страница 10: ...figure 14 This does not supersede local codes or authorities having jurisdiction Do not apply power or close disconnect switch until installation is complete Refer to start up directions Refer closely...

Страница 11: ...rmostat wires are rated for maximum unit voltage they must be routed away from line voltage wiring Use wire ties located near the lower left corner of the controls mounting panel to secure thermostat...

Страница 12: ...rs 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 18 Wire runs over 150 feet mm Use a local isolated...

Страница 13: ...es do not rub against the cabinet or against other refrigerant lines 4 Check voltage at disconnect switch Voltage must be within range listed on nameplate If not consult power company and have voltage...

Страница 14: ...WITH CEILING DIFFUSERS MAIN DUCT RUN FIRST BRANCH OFF OF MAIN RUN DIFFUSER ROOFTOP UNIT ROOFTOP UNIT SUPPLY AIR READING LOCATION RETURN AIR READING LOCATION RETURN AIR READING LOCATION DIRECT DRIVE B...

Страница 15: ...pically 60 of full load CFM TABLE 3 DIRECT DRIVE PARAMETER SETTINGS Parameter Factory Setting Field Setting Description 092 102 120 150 Note Any changes to Smoke CFM setting must be adjusted before th...

Страница 16: ...2 0 2 2 2 4 2 6 RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts RPM Watts 1750 1172 833 1231 932 1287 1039 1340 1156 1391 1283 1442 1426 2000 1197 913 1253 1019 1306 1135 1357 1261 1407 1398 1457 15...

Страница 17: ...0 09 0 00 3000 0 09 0 11 0 12 0 13 0 13 0 03 0 02 0 06 0 10 0 02 3250 0 10 0 12 0 15 0 16 0 15 0 04 0 02 0 06 0 11 0 02 3500 0 11 0 12 0 16 0 17 0 15 0 04 0 03 0 07 0 12 0 04 3750 0 13 0 14 0 19 0 20...

Страница 18: ...s unit is factory charged and should require no further adjustment If the system requires additional refrigerant reclaim the charge evacuate the system and add required nameplate charge NOTE System ch...

Страница 19: ...139 300 139 855 F 349 141 341 141 955 F 399 144 390 144 1055 F 450 146 440 147 1155 F 508 149 494 150 TABLE 8 581031 01 LGM LCM120U No Reheat Outdoor Coil Entering Air Temp Circuit 1 Circuit 2 Dis ch...

Страница 20: ...3275kPa 138 kPa 2 Low Pressure Switch S87 S88 The compressor circuit is protected by a loss of charge switch Switch opens at 40 psig 5 psig 276 34 kPa and automatically resets at 90 psig 5 psig 621 k...

Страница 21: ...Page 21 RT47 RT42 43 SUCTION LINE TXV BULB FIGURE 23 RT46 RT42 RT43 THERMISTOR LOCATION RT42 43 46 47 EVAPORATOR COIL VIEW FROM FRONT SIDE OF UNIT...

Страница 22: ...Page 22 RT44 FIGURE 24 THERMISTOR LOCATION RT44 45 VIEW FROM FRONT SIDE OF UNIT 092 102 CONDENSER COIL 120 150 CONDENSER COIL RT45 RT44 RT45 RT44 45...

Страница 23: ...Page 23 RT49 RT48 THERMISTOR LOCATION RT48 49 VIEW FROM FRONT SIDE OF UNIT 092 102 CONDENSER COIL 120 150 CONDENSER COIL FIGURE 25...

Страница 24: ...turn the gas control knob Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or ex...

Страница 25: ...gas ignition sensor proves the flame and combustion continues 5 If flame is not detected after first ignition trial ignition control will repeat steps 3 and 4 two more times before locking out the gas...

Страница 26: ...emand Compressors Modulate Blower Cooling Low Dampers Minimum Position Y2 Demand Compressors Modulate Blower Cooling High Dampers Minimum Position B Three Stage Thermostat 1 Economizer With Outdoor Ai...

Страница 27: ...Reheat is factory set to energize when indoor relative humidity rises above 60 default The reheat setpoint can be adjusted by changing mobile service app Settings Control menu A setting of 100 will op...

Страница 28: ...s Operation Reheat Only Compressor 1 Reheat Reheat Y1 Compressor 1 2 Enhanced De humidification at Low CFM Reheat Y1 Y2 Compressor 1 2 Enhanced De humidification at High CFM If there is no reheat dema...

Страница 29: ...efore each heating season examine the burners for any deposits or blockage which may have occurred Clean burners as follows 1 Turn off both electrical power and gas supply to unit 2 Remove burner comp...

Страница 30: ...d be examined periodically during the heating season to establish an ideal cleaning schedule With power supply disconnected the condition of the inducer wheel can be determined by looking through the...

Страница 31: ...Flush coil and condensate drain with water taking care not to get insulation filters and return air ducts wet H Supply Air Blower Wheel Annually inspect supply air blower wheel for accumulated dirt or...

Страница 32: ...in place 9 Close the blower access door 10 Reconnect power to the rooftop unit 11 Open the filter access door and look through the view port in the triangular sheet metal panel to verify that the UVC...

Страница 33: ...Page 33 FIGURE 38 UVC ASSEMBLY UVC ASSEMBLY ASSEMBLY SECURED WITH 3 SCREWS DOOR SWITCH UVC LAMP...

Страница 34: ...AGE PRESENT UVC LAMP NOT OPERATING GO TO LAMP LED TROUBLESHOOTING UVC LIGHT TROUBLESHOOTING POWER FIGURE 39 LAMPS BLACK ON ENDS BANDS AROUND LAMP INTACT CONTINUITY PRESENT LAMP LEDS NOT LIT LAMP LEDS...

Страница 35: ...et SBUS Address LCONN ADDRESS TABLE 18 580683 LGM LCM 092U4E 2 Compressor Staged Direct Drive Para meter Factory Setting Field Setting Description Note Any changes to Smoke CFM setting must be adjuste...

Страница 36: ...F could void warranty 86 0 F F Compressor 2 low temp lockout Settings lower than 0 F could void warranty TABLE 20 580684 LGM LCM 120U4E 2 Compressor Staged Direct Drive Para meter Factory Setting Fiel...

Страница 37: ...ield CFM setting SETUP TEST BALANCE can also use SETTINGS RTU OPTIONS DAMPER 0 Damper min position during LOW blower operation 0 Damper min position during HIGH blower operation 50 Min damper for stag...

Страница 38: ...igured 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 Installed A Au...

Страница 39: ...Installed 1 Enabled Internal Lennox 2 External A42 Phase Detection on DI 2 3 External A42 Phase Detection on DI 3 N Not Installed Y Installed 8 Load Shedding N Not Installed G Global P297 pin 9 2 Ins...

Страница 40: ..._______ Cooling Checks Compressor Rotation Ambient Temp ________Return Air Temp ________ Supply Air Temp ________ Compressor Amps Compressor Volts Pressures Condenser Fan Amps CC Heater Amps L1 L2 L3...

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