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Table 65. Prodigy 2.0 Alarm and Event Codes

Selected alarms (marked with * in table result in the closure of the service relay contacts (DO1).

EVENT ACTION

DISPLAY MESSAGE

ALARM

CODE

188

INVERTER HIGH LEVEL ALARM

Alarming Value = Inverter error code

Possible alarming values for Prodigy Alarm 188 are:

21 - Peak DC current

22 - Maximum current reached lockout

23 - DC Link low voltage

26 - Locked Rotor

28 - DC Link high voltage

29 - Compressor over current

61 - Low outdoor ambient inverter lockout

62 - High Heat Sink Temperature lockout

75 - Low Input Voltage

No action required. Compressor stops for the duration of the minimum run time. Unit
shuts down after ten occurrences in one hour and Alarm 189 is initiated. Alarm 188
will automatically clear when inverter error clears.

REFER TO TROUBLE SHOOTING GUIDE IN SERVICE MANUAL FOR MORE
INFORMATION.

189

INVERTER FATAL ALARM

Alarming Value = Inverter error code

Possible alarming values for Prodigy Alarm 189 are 21, 22, 23, 26, 28, 29, 61, 62
and 75.

Alarm 189 will clear upon manual reset.

REFER TO TROUBLE SHOOTING GUIDE IN SERVICE MANUAL FOR MORE
INFORMATION.

190

INVERTER COMMUNICATION ERROR

Unable to communicate with inverter. Prodigy will disable compressor operation.
Replace communication cable between inverter and M3 unit controller. If alarm
continues, replace M3 unit controller or inverter.

191

INVERTER VOLTAGE MISMATCH

Prodigy will disable compressor operation. Replace with correct inverter part.

192

TEMP SWITCH TRIP

Check temperature trip switch. Compressor is off. Also check charge, fans and coil.
The unit controller will clear the temperature trip alarm when corresponding
compressor top cap temperature trip switch is detected as closed. Compressor will
not restart until the corresponding temperature trip switch is closed and the minimum
off delay has expired.

193

STRIKE 3 TEMP TRIP

Prodigy will disable compressor operation (lockout). Check switch, charge, fans and
coil. Default is three occurrences. Alarm will be automatically cleared after removal
of cooling demand.

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Summary of Contents for PRODIGY2.0

Page 1: ...nd Cooling Stages in Room Sensor Mode 13 2 2 5 1 Energence LC LG 036 through 074U Ultra High Efficiency Units 13 2 2 5 2 Start Up Delay in Room Sensor Mode 14 2 2 5 3 Blower Operation Occupied in Room...

Page 2: ...Blower Off Delay 20 3 3 11 Unoccupied or Night Setback Mode 21 3 3 12 Wired Thermostat Mode 21 3 3 13 Room Sensor Mode 21 3 3 14 Gas and Electric Heat Warm Up Mode During Occupied Time Period 21 3 3...

Page 3: ...midification Operation Energence Ultra High Efficiency 3 to 6 ton 43 7 1 Increased Dehumidification in Wired Thermostat Mode 43 7 2 Increased Dehumidification in Room Sensor Mode 43 7 2 1 Increased De...

Page 4: ...Heating DACH Outdoor Air Temperature Reset 63 14 2 2 Discharge Air Control Heating DACH Return Air Temperature Reset 63 14 2 3 Discharge Air Control Heating DACH Total Reset Limit 64 15 Third Party Zo...

Page 5: ...2 2 4 Cooling Demand with Economizer 87 22 2 5 Heating Demand General Operation 87 22 2 6 Heating Demand Electric 87 22 2 7 Humiditrol Dehumidification Operation Dehumidification Demand 88 22 2 8 Humi...

Page 6: ...24 3 System Status Screen 107 24 3 1 Network Status 107 24 3 2 Unit Operation 107 24 3 3 Alarm Status Display 107 24 3 4 Normal Mode and Status Messages 108 24 4 LED Operations 109 25 Model Number and...

Page 7: ...152 12 5 ton 072 6 ton 156 13 ton 074 6 ton 180 15 ton 092 7 5 ton 210 17 5 ton 094 7 5 ton 240 20 ton 102 8 5 ton 300 25 ton 120 10 ton S Standard Efficiency H High Efficiency U Ultra High Efficiency...

Page 8: ...ACnet or LonTalk SmartWire connections To disconnect TSTAT COM from COM cut jumper To disconnect HMD COM from COM cut jumper EXPANSION PORT EXPANSION PORT Connection for C3 Control A178 cv Connection...

Page 9: ...ical stages of cooling during economizer operation Option 3 Three Cooling Stages Cooling operation is shown in table 3 this option requires the use of a three stage cool thermostat and a K27 relay See...

Page 10: ...60 CP1 100 CP1 100 Free Cool CP1 60 CP1 100 CP1 is a Variable Speed Compressor Assumes outdoor air is suitable for cooling Min Hz is the lowest speed at which the compressor can run 2 1 2 Heating Sta...

Page 11: ...M3 unit controller via the L Connection network bus Internal M3 unit controller set points are used only if network communication is interrupted The room sensor is wired directly to each unit P298 6 a...

Page 12: ...he room sensor mode THERMOSTAT will default to a local thermostat if one is installed should the A2 room sensor fail The M3 unit controller will switch over and operate based on the signals from the r...

Page 13: ...number of stages utilized depends on the type of equipment and whether or not an economizer is used On units with economizers free cooling becomes stage 1 and all compressor stages shift up one stage...

Page 14: ...change to continuous blower operation OCC OCCUPIED blower mode description AUTO CYCLE Blower cycles with demand ON CONTINUOUS 1 Blower is on when either the occupancy sensor or occupancy scheduler in...

Page 15: ...pressor 3 4 H1 Heating Stage 1 H2 Heating Stage 2 H3 Heating Stage 3 H4 Heating Stage 4 Parameter 143 ON OFF 0 5 F Diff 0 5 F C1 Parameter 144 ON OFF 1 F Diff 0 F C2 Parameter 145 Parameter 145 143 ON...

Page 16: ...outdoor fan only the low stage compressor on delay is set for 11 seconds This will allow the outdoor fan to come up to full speed for at least five seconds before the compressor starts During this del...

Page 17: ...High and Ultra High Efficiency 3 to 6 ton models continue to run even after a high pressure switch trip NOTE Only the displayed alarm s will indicate that the applicable compressor has been de energiz...

Page 18: ...gized If gas heat demand is still present the M3 unit controller will attempt to prove either S18 or S45 are in a open condition every 60 seconds B If either S18 or S45 are proven as open the M3 unit...

Page 19: ...ameter 113 enables return room temperature limits Default is 0 OFF To enable set to 1 ON Go to SETTINGS RTU OPTION EDIT PARAMETER 113 EN RET AIR TMP LMT Adjusting parameter 114 is used to interrupt a...

Page 20: ...isable S42 monitoring of 2 DI 2 or 3 DI 3 3 3 8 Overflow Switches S149 S179 Optional The N C overflow switch or switches are connected to the M3 unit controller A55 in series when applicable through e...

Page 21: ...h outdoor air when a conditioned space is occupied A 24VAC input at unit A55_P297 8 energizes the occupied usually daytime time period A field provided and installed thermostat or energy management sy...

Page 22: ...Heat Stage Delay Operation First stage heatingdemandenergizesfirst stageelectricheat K15andK17 Second stageheatingdemandenergizes second stage electric heat K16 and K18 When first stage and second st...

Page 23: ...7 332 20 28 9 164 959 50 10 19 904 100 37 8 5 826 0 17 8 85 323 60 15 6 15 313 120 48 9 3 756 20 6 7 46 218 70 21 1 11 884 130 54 4 3 047 30 1 1 34 566 80 26 7 9 298 4 2 Room Sensor Optional Room sens...

Page 24: ...The optional enthalpy sensors A7 and A63 used with the economizer have an output of 4 20mA The sensor is powered with 18VAC provided by M3 unit controller see figure 9 on page 48 4 7 Economizer Diffe...

Page 25: ...r a high cooling demand and at low speed for a low cooling or de humidification demand At low outdoor temperatures the fan is off until the liquid pressure switch S11 closes Then the fan runs at extra...

Page 26: ...s A BOX LCH LGH 036S 048S 060S and 072H 1 1 A BOX LCH LGH 036H 048H 060H and 074H 1 2 step 1 variable A BOX LCH LGH 036U 048U 060U and 074U 1 Variable 1 Variable B BOX LCH LGH 092H 102H 120H and 150S...

Page 27: ...3 K150 Relay Outdoor Fan 4 K152 Relay Outdoor Fan 5 K153 Relay Outdoor Fan 6 PWM Pulse Width Modulated signal from Prodigy 2 ECM only 40 F Prodigy 2 de energizes fan below 40 F 4 4 C 55 F Prodigy 2 d...

Page 28: ...n with S11 or S84 LCH LGH 094U 122U and 152U 1 1 2 On with S11 2 1 2 OFF 3 1 2 OFF B BOX Gas Electric Electric Electric LC LG 094U 7 ton LC LG 122U 10 ton LC LG 152U 12 ton Compressors A55 K1 A55 K2 1...

Page 29: ...S11 or S84 or S85 2 3 1 2 3 OFF LCH LGH 180H 1 1 3 On with S11 S84 or S85 2 1 3 OFF 3 2 3 On with S84 or S85 4 2 3 OFF LCH LGH 180U and 240U 1 1 2 OFF 2 1 2 OFF 3 1 2 ON with S11 4 3 4 ON with S85 5 3...

Page 30: ...9 ANY A55 K10 ANY A178 K150 ANY A55 K68 S11 S85 C BOX Gas Electric Electric Electric LC LG 180U 15 Ton LC LG 240U 20 Ton 2 3 A55 K1 A55 K2 A178 K14 4 B22 S85 3 B21 S11 5 B23 55 F 2 B5 55 F 1 B4 55 F 6...

Page 31: ...1 S84 or S85 On with S11 S84 or S85 4 2 3 On with S84 or S85 On with S84 or S85 5 2 3 OFF OFF 6 2 3 On with S84 or S85 OFF LCH LGH 240 300S 1 1 2 On with CP1 or CP2 OFF 2 1 2 OFF OFF 3 1 2 On with S11...

Page 32: ...G 300S 25 Ton 1 2 3 A55 K1 A55 K2 A178 K14 4 B22 S85 S94 3 B21 S11 S84 5 B23 55 F 2 B5 55 F 1 B4 40 F 6 B24 40 F COMPRESSORS CP3 or 4 A187 K150 CP1 OR 2 A55 K10 CP3 or 4 A178 K152 CP3 or 4 A178 K153 C...

Page 33: ...B 3 4 5 6 7 8 C 9 10 R OCP C G W1 W2 Y1 Y2 24 VAC POWER A55 TO R TO G TO Y1 TO M3 THERMOSTAT INPUTS ALL OTHER THERMOSTAT SIGNALS REMAIN CONNECTED AS SHOWN ON THE RIGHT TO PROVIDE DEHUMID SCHEME USE S8...

Page 34: ...me period One previous cooling demand must have occurred Parameter 105 Option 4 Relative Humidity Measurement When an optional relative humidity sensor is installed the relative humidity percentage ca...

Page 35: ...charge air and the outside air will be used to dehumidify when there is a dehumidification demand and outside air is cool Adjust the following settings Parameter 166 Fresh Air Heating Control Reheat O...

Page 36: ...CTO 4 25 Optional dehumidification demand P299 8 energized if ECTO 4 25 is set to 100 digital demand Heating demand overrides reheat Table 24 2 Compressor Humiditrol Default Operation Using 2 Stage Wi...

Page 37: ...hum ON ON X Minimum ON Y2 Dehum ON ON X Minimum OFF Y3 Dehum ON ON X Minimum OFF W OFF OFF X Minimum OFF Table 26 3 Compressor Humiditrol Default Operation using 2 Stage Thermostat Demands Condition U...

Page 38: ...F Y1 Suitable OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Suitable OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Damper position and maximum position and time expired Suitable ON OFF OFF X Maxim...

Page 39: ...ximum OFF OFF Y2 Suitable OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Damper position and maximum position and time expired Suitable ON OFF OFF X Maximum OFF OFF Y3 Suitable ON ON OFF X Maximum OF...

Page 40: ...Occupied OFF OFF OFF OFF X Minimum OFF OFF Y1 Damper position Suitable OFF OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Damper position Suitable OFF OFF OFF OFF X Modulate up to Maximum OFF OFF Y2...

Page 41: ...uitable OFF OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Suitable OFF OFF OFF OFF X Modulate up to Maximum OFF OFF Y2 Damper position and maximum position and time expired Suitable ON ON OFF OFF X...

Page 42: ...ate up to Maximum OFF OFF Y2 Damper position at maximum position and time expired Suitable ON OFF OFF OFF X Maximum OFF OFF Y3 Suitable ON ON OFF OFF X Maximum OFF OFF Y4 Suitable ON ON ON ON X Maximu...

Page 43: ...umidity removal when no cooling demand is present the M3 unit controller operates the indoor blower based on the over cool limit set point and operates the compressor based on a programmed discharge a...

Page 44: ...el number here Touch SAVE to proceed Continue through the various configuration problems until you reach DEHUM SENSOR TYPE By default it is set to DISABLED ENABLED and select one of the following Incr...

Page 45: ...gh Efficiency 3 to 6 ton units Option 1 Damper opens to its max open position parameter 131 FREE CL MAX DAMPER when any compressors start NOTE When using Option 1 and after the compressor is stopped t...

Page 46: ...NCE DAMPER MIN DAMPER POSITION BLOWER ON HIGH SETUP TEST BALANCE DAMPER MIN DAMPER POSITION BLOWER ON LOW 8 9 Closing Damper and Calibration Use the following menu path to close the damper and confirm...

Page 47: ...eter 162 ECON FREECL ENTH SP dampers will try to modulate discharge air temperature RT6 to parameter 159 FREE COOL SUPPLY SP which has a default setting of 55 0 F 13 C A Go to SETUP INSTALL press SAVE...

Page 48: ...bal mode using the Configuration ID 1 position 2 and set to character G B Connect a jumper between A55_P297 1 24VAC and A55_P297 9 global The blower will be energized and the damper will slowly open i...

Page 49: ...ing demand The IAQ function is not energized during the unoccupied or night time period NOTE The IAQ sensor may also be used with systems containing a motorized outdoor air damper 9 2 Default Operatio...

Page 50: ...om 0 to 2000 ppm Use the following formula to determine damper travel NOTE When changing carbon dioxide set point range start open set point should be less than full open set point Damper Travel carbo...

Page 51: ...full Parameter 118 start carbon dioxide ppm Max Open Close Open Figure 11 Set point Control Indoor Air Quality Option 9 4 2 Determining Indoor Air Quality Inputs Go to DATA IN OUTPUTS SENSORS menu sel...

Page 52: ...tion Velocity 1 2 3 V GND AV 0 984ft min 0 1476ft min 0 1968ft min Factory Setting V 24VAC GND Common AV Airflow Out put 0 10VDC Velocity Sensor L Low Outdoor air control installed with A24 sensor set...

Page 53: ...nce between the outdoor and indoor building pressure and relays the information to the M3 unit controller Based on the pressure information the unit controller automatically adjusts the damper positio...

Page 54: ...le or two stage exhaust operation Table 34 Exhaust Control Single StageExhaust Set Points SP Dead band DB Enabled when Input Parameter Default Parameter Default Blower is energized Fresh Air Damper Po...

Page 55: ...ts are indicated by blower type B in the model number All blower on and off delays described above still apply 13 3 Supply Multi Stage Air Volume MSAV Control Mode Units with Multi Stage Air Volume ar...

Page 56: ...on 505 090M Table 36 Supply CAV with Zone Bypass Damper Control Operation Minimum Position Maximum Position Duct Static Pressure Parameter Default Parameter Default Parameter Default Cooling 38 20 40...

Page 57: ...position when blower is off Supply Manual Reset can be adjusted between 20 to 100 Default setting is 52 13 5 2 2 Supply Proportional Constant P Parameter 31 To handle the present this is the value of...

Page 58: ...e parameters 31 32 and 33 blower PID constants to 0 OFF B Start system Analog output value will be at the parameter 41 SUPPLY MANUAL RESET value C Monitor system System should be stable If system is n...

Page 59: ...High Efficiency 3 to 6 ton units IMPORTANT Discharge air sensor RT6 must be moved to the supply air duct preferably after a 90 degree branch of the main duct Discharge Air Control Cooling is initiated...

Page 60: ...scharge Air Cooling Control is not used All references to the Discharge Air Cooling Control set point apply to the free cooling set point NOTE Parameter 287 cannot be modify directly from the M3 unit...

Page 61: ...TE Parameter 287 cannot be modify directly from the M3 unit controller interface For DACC RAT Reset use the Lennox UC software to access parameter 287 and enable DACC RAT Reset For DACC RAT Reset the...

Page 62: ...Discharge air sensor RT6 must be moved to the supply air duct preferably after a 90 degree branch off of the main duct Discharge Air Control Heating is initiated by an input in one of three ways 1 W1...

Page 63: ...SP Figure 17 Outdoor Air Reset Example To use example values set the following parameters Parameter 208 Set to 10 0 F this setting enables Discharge Air Control Heating Outdoor Air Temperature Reset A...

Page 64: ...s setting enables Discharge Air Control Heating Return Air Reset Set Point Parameter 213 Set to 10 0 F this setting enables Discharge Air Control Heating Return Air Temperature Proportional Band 14 2...

Page 65: ...Unoccupied Operation When the thermostat demand occupied mode signal is energized the M3 unit controller will adjust the fresh air damper to a fixed minimum position or a modulating position based on...

Page 66: ...t The stage control option is triggered based on fresh air damper position See Power Exhaust Section Go to SETUP INSTALL and set Configuration ID 1 position 3 to S Single Stage or D Dual Stage Go to S...

Page 67: ...controller BACnet Module for data point and programming information Once the BACnet module is physically installed Go to SETUP INSTALL Configuration ID 1 position 5 needs to be set to B for enabling t...

Page 68: ...put Objects List Object ID Object Name Units Min Value Max Value Valid Values within Range 101 ApplicationMode Control None 0 255 0 1 3 6 9 208 209 216 217 218 224 254 255 102 Outdoor Air Min PPS Cont...

Page 69: ...noccupied Set Point F 40 95 All 133 Cooling Unoccupied Set Point F 40 95 All 134 Supply Airflow Low Speed Target CFM Refer to parameter labels on unit or refer to unit installation instruction or serv...

Page 70: ...e Temperature Deg F 63 75 100 00 240 Discharge Air Temperature Deg F 8 7 164 4 241 Effective Occupancy None 0 2 242 Local Outside Air Temperature Deg F 30 6 131 6 243 Local Space Temperature Deg F 63...

Page 71: ...Set Point Effective Percent 0 100 279 Dehumidification Status None 0 2 281 Return Air Temperature Deg F 8 7 164 4 282 Building Static Pressure Inches of water 0 5 0 5 283 Duct Static Pressure Inches o...

Page 72: ...essor Lennox_Object_ Cycle_Count 517 Integer 0 4294967295 cycles Read Only Indicates the number of cycles the compressor has been running Lennox_Object_Error 518 Integer 0 255 Read Only Reports any er...

Page 73: ...bject_ Cycle_Count 517 Integer 0 4294967295 cycles Read Only Indicates the number of cycles heating has been running Lennox_Object_Error 518 Integer 0 255 Read Only Reports any error code heating may...

Page 74: ...INDOOR_AIR Read Only Indicates membership in a particular object type class Object_Temperature 534 Real Degrees Fahrenheit 36 25 to 100 Read Write Indicates the temperature of the space air Object_Rel...

Page 75: ...ll be required to complete after completing step 9 Once the above steps are completed the Comfort Sensor output will be accepted by the system L Connection Configuration 1 Go to SETUP and select NETWO...

Page 76: ...ll need to be set to NO mandatory NOTE Additional settings will be required to complete after completing step 7 Once the above steps are completed the Comfort Sensor output will be accepted by the sys...

Page 77: ...ipped with an M3 unit controller The Building Controller BC is used to control building functions such as lights and signs Use L connection specific network cable and daisy chain as shown in figure 23...

Page 78: ...shared with any other devices i e global blower overload or drain pan overflow Similarly option G Global input may be used only if economizer global mode is not enabled Parameter 194 select 0 4 This...

Page 79: ...tem Indoor Air Quality Carbon Dioxide Options Table 53 System IAQ Carbon Dioxide Options Option Description 0 Hysteresis ON when indoor air quality carbon dioxide is greater than parameter 187 setting...

Page 80: ...ption 1 output inverted 2 Apply step 1 to parameter 186 formula Parameter 186 X 32 x Y 16 x Z 7 32 x 0 16 x 1 7 0 16 23 3 Set parameter 186 to 23 4 Set parameter 188 to 35 for 35 relative humidity 5 S...

Page 81: ...r to close Then the blower is run at minimum PWM setting of 20 2 Blower Diagnostics PWM is gradually increased in steps from 20 to 100 with a torque value set by parameter 247 Advanced Airflow Blower...

Page 82: ...ntilation Over Ventilation If the actual outdoor air is greater than the target outdoor air percentage set by parameter 240 Advanced Air Flow High Outdoor CFM Alarm Set Point for a duration set by par...

Page 83: ...tant to note that scheduling and or set point control requires the use of a L Connection Network Control Panel HUM AI1 TMP D01 D02 DI1 DI3 DI2 DI4 24VAC R C 24VAC C 24VAC THERMOSTAT G OCP C G W1 Y1 W2...

Page 84: ...ure control the M3 unit controller can provide up to four stages of mechanical heating and cooling operation Variable air volume units using a variable frequency drive on the supply fan and operating...

Page 85: ...er position The M3 unit controller has two operation modes available set point or proportional to control the outdoor air damper position 22 1 3 3 Fresh Air Tempering FAT In applications with large ou...

Page 86: ...rgence units can control building static pressure with either a standard or high static power exhaust fan Each fan type is available in either a 50 one fan or 100 two fans configuration Standard stati...

Page 87: ...compressor 50 unit capacity For stage three operation the M3 unit controller activates the third compressor 75 total unit capacity For stage four operation the M3 unit controller activates the fourth...

Page 88: ...demand The system activates various number of compressors depending on model plus reheat This provides approximately 75 humidity removal capacity plus 25 cooling capacity Stage two cooling and dehumid...

Page 89: ...details refer to the unit installation instruction 22 3 1 5 Heating Demand Electric Units feature multiple electric heat sections available in sizes from 7 5 kW to 180 kW depending on unit size and vo...

Page 90: ...emand has been removed 22 3 2 3 Cooling Demand Upon receiving a cooling demand from the the thermostat or M3 unit controller the M3 unit controller instructs the unit to maintain a cooling discharge a...

Page 91: ...the M3 unit controller is operating in the thermostat mode a packaged rooftop unit can provide up to two stages of mechanical heating and cooling operation To operate correctly a M3 unit controller m...

Page 92: ...third party controller with the M3 unit controller operating in thermostat mode configured for discharge air temperature control have the same basic heating and cooling unit sequence of operations as...

Page 93: ...93 23 M3 Unit Controller Inputs and Outputs Figure 31 Wiring Diagram...

Page 94: ...rrows to move SETUP DATA SHOW STATUS SERVICE SETTINGS ALARMS PRESENT BACK SELECT SCROLL Use SCROLL arrows to move TEST REPLACE Use SCROLL arrows to move OFFLINE REPORT SOFTWARE UPDATE INSTALL CONTROL...

Page 95: ...n screen which will display the current demand any active alarm codes occupancy status and the DAT and ZAT temperatures 24 2 2 Data Table 56 Menu Interface Level 1 DATA Level 2 Level 3 Level 4 Level 5...

Page 96: ...N OFF FAN 6 ON OFF HEAT 1 ON OFF HEAT 2 ON OFF HEAT 3 ON OFF HEAT 4 ON OFF REHEAT COIL 1 ON OFF REHEAT COIL 2 ON OFF SERVICE RELAY ON OFF LCD HEATER ON OFF CRANKCASE HEATER 1 ON OFF CRANKCASE HEATER 2...

Page 97: ...OWER X CYC COOLING EXHAUST X HRS FANS FILTER X HRS FREE COOL X HRS FREE COOL X CYC HEATING DEHUMID X HRS DEHUMID X CRC POWER ON X CYC POWER ON X HRS PREINSTALL X HRS UV LAMP XXX HRS COMP 1 XX HRS XX C...

Page 98: ...ED ON UNIT NAMEPLATE SERIAL NUMBER LOCATED ON UNIT NAMEPLATE RTU DESCRIPTION UP TO 18 ALPHA NUMERIC CHARACTERS DEHUMIDIFIER MODE BLOWER OCCUPIED LOCAL SENSOR NETWORK SENSOR DEHUMIDIFIER DEHUMID SETPOI...

Page 99: ...CUPIED HOWEVER THE OCCUPANCY SENSOR INDICATES NOT OCCUPIED THE 25 MINIMUM IS ACHIEVED BY TURNING BLOWER ON FOR 30 MINUTES AND OFF FOR 90 MINUTES NETWORK BACNET BACNET MAC ADDRESS X BACNET BAUD RATE 9...

Page 100: ...MIZER TEMP ECON TYPE TEMPER ATURE OFFSET OR TEMPERATURE SETPT NOTE THIS OPTION IS DEPENDANT ON CONFIGURATION ID 1 SETUP ECONOMIZER OAT SETPOINT XX X F ECONOMIZER ENTHALPY SETPOINT XX MA NOTE THESE OPT...

Page 101: ...ction options WHEN SELECTED PRESS BACK TO RETURN TO THE PREVIOUS MENU SERVICE TEST COOL OPTIONS ARE COOL 1 COOL 2 COOL 3 AND COOL 4 COOL X ODN RAT XX X F DAT XX X F if advanced airflow is enabled then...

Page 102: ...HARACTERS USB ADV AIRFLOW RPT USB ADVANCED AIRFLOW REPORT START USB RE PORT OR USB REPORT DONE START USB REPORT SAF_RPT DEFAULT AND CAN BE RENAMED BY USER MAXIMUM 18 CHARACTERS SAVE USER PROFILE SAVE...

Page 103: ...OCC BLOWER MODE AUTO CYCLES OR ON CONTINUOUS 1 2 3 BACKUP MODE NONE ROOM SENSOR RE TURN AIR BACKUP OR THERMOSTAT RAT OR ROOM BACKUP SETPOINTS OCCUPIED HEAT XX X F BACKUP SETPOINTS UNOCCUPIED HEAT XX X...

Page 104: ...KUP SETPOINTS UNOCCUPIED HEAT XX X F BACKUP SETPOINTS OCCUPIED COOL XX X F BACKUP SETPOINTS UNOCCUPIED COOL XX X F RTU OPTION BLOWER SPEEDS BLOWER HEAT XXXX CFM BLOWER COOLING HIGH XXXX CFM BLOWER COO...

Page 105: ...IRFLOW ALARMS HI OD AIFLOW ALM XX ADV AIRFLOW ALARMS ALM TRIGGER PERIOD XXXX SEC MIN DAMPER POSITION BLOWER ON HIGH X X MIN DAMPER POSITION BLOWER ON LOW X X VENTILATION OPTIONS DEMAND CONTROL VENTILA...

Page 106: ...NSTALL DEHUMIDIFIER MODE PORTION OF THE WIZARD INSTALL NEW M3 CLEAR ALL CONFIG YES OR NO IF YES IS SELECTED ARE YOU SURE YES OR NO SEE TABLE 57 ON PAGE 98 FOR SETUP PROMPTS FOR NEW M3 UNIT CONTROLLER...

Page 107: ...he display and control buttons how to configure the unit and how to read stored configuration data status and alarms The M3 unit controller is an input and output junction point If in the thermostat m...

Page 108: ...the system has cleared the alarm there is usually a five minute delay before resuming system operations DELAY UP TO 20 SEC In certain models the compressor turns on a few seconds after the outdoor fa...

Page 109: ...located on module RX green Flickering ON Unit controller is receiving TX yellow Flickering ON Unit controller is transmitting SERVICE red Flashing 1 sec on 1 sec off Node is not configured applicatio...

Page 110: ...fields have been completed as required 25 1 Model Number Model Number Type 1 2 3 Electric LCH Gas LGH Tonnage 4 5 6 Efficiency 7 High Efficiency H Standard Efficiency S Ultra High Efficiency U 10 Fac...

Page 111: ...k Lennox 6 Blower Variable Frequency Drive Bypass N Not Installed A Automatic Bypass M Manual Bypass U Electronic Bypass Field Un configured 7 Advanced Air Flow Control System N Not Installed S Instal...

Page 112: ...led G Global P297 pin 9 2 Installed on DI 2 3 Installed on DI 3 9 Electric Heat 1 Air Flow Proving Switch S52 3 Overflow Switch S149 S179 4 Motor Overload Switch S42 Not Installed N Installed on DI 2...

Page 113: ...r PC Software The L connection unit controller PC software is recommended when adjusting multiple parameters Unit controller PC software allows the user to adjust parameters using real units no conver...

Page 114: ...ble to Energence Standard Efficiency 3 to 6 ton units only Blower staged percentage output during smoke detec tion 7 BLOWER HEAT OUTPUT Blower Heat Output 20 0 100 0 Applicable to Energence Standard E...

Page 115: ...age 2 Minim um Blower 31 SUPPLY PID P CONST Supply Proportional Base Control Loop for Variable Air Volume or Constant Air Volume with Bypass Damper 0 17 127 Counts Variable Air Volume or Constant Air...

Page 116: ...ntage Set Point 40 0 100 0 100 0 Constant air volume with by pass damper maximum out put This sets the maximum air delivered Bypass damper motor is set to 10 to 2 volts with 10 volts being closed 100...

Page 117: ...arameters 65 HT GAS WARMUP DELAY Gas Time Delay for Economizer Being Closed During Warm up 0 3584 8160 Seconds Warm up time delay The time that the economizer is forced closed during warm up first occ...

Page 118: ...me the blower stays on after the cooling demand is lost 81 MAX FREEZE STAT OCC Maximum Freeze Thermostat Occurrence 1 3 3 Occurrences Service output activation and compressor lockout Maximum freeze th...

Page 119: ...bient lockout function Temperature setting must be greater than or equal to pa rameter 87 89 COMP MIN OFF DELAY Compressor Minimum Off Delay 60 300 510 Seconds Compressor minimum off delay 91 COMP MIN...

Page 120: ...Blower must be en ergized Must be occupied At least one previous cool ing demand 4 Relative Humidity meas urement display No Su permarket or Humiditrol re heat 5 Humiditrol reheat Condi tions At least...

Page 121: ...resh air damper closed 11 Blower on exhaust fan on and fresh air damper opened 110 ERR TIME OFF DELAY Error Time Off Delay 64 300 1800 Seconds Off time delay if a no run error occurs 111 COOL STAGING...

Page 122: ...d con trol ventilation damper open po sition 118 DCV DAMP START OPEN Demand Control Ventilation Damper Start Open 0 700 2000 PPM Damper start open CO2 set point for Demand Control Ventilation Level wh...

Page 123: ...Air Heat Control Reheat Fresh Air Cooling Control Fresh Air Heat Control options and all GP outputs May be used to stagger unit start ups Does NOT delay demands in thermostat mode 134 IAQ INPUT MODE I...

Page 124: ...ed cooling set point Used if the communications link is lost for 5 minutes between the M3 unit con troller and network control panel Used only in room sensor applications Set point temperature must be...

Page 125: ...nly with room sensor applications Differential temperature must be less than or equal to pa rameter 149 149 HEAT STAGE2 DIFFER Heating Stage 2 Differential 0 00 1 00 3 00 F Heating stage 2 differentia...

Page 126: ...e cooling lockout 156 FRESH AIR HEAT SP Refer to section 22 1 3 3 on page 85 to change the fresh air heat FAH set point Modify the set point only using the method described in the reference section 15...

Page 127: ...ical cooling may force the damper closed to its minimum position This is the factory de fault setting Holds off compressor on Y2 call until damper has modu lated to maximum position parameter 131 FREE...

Page 128: ...nt 80 0 95 0 140 0 F Discharge Air Control Heating set point during unoccupied period 176 DACH STAGE DEADBAND Discharge Air Control Heating Stage Deadband 5 0 5 0 20 0 F Discharge Air Control Heating...

Page 129: ...ssed with compressor 1 off 2 On when occupied 3 On when blower on 4 On when heating demand 5 On when cooling demand 6 On when heating or cooling demand 7 System Relative Humidity A55_P298_5 RH 8 Syste...

Page 130: ...ss to that value 197 BAUD RATE Baud Rate 9 6K 19 2K 38 4K 76 8K Option Baud rate setting System 3 Parameters 201 DACC OAT RS ADJ BND Discharge Air Control Cooling Outdoor Air Temperature Adjustment Ba...

Page 131: ...ACH RAT RS ADJ SP Discharge Air Control heating Return Air Heat ing Reset Set Point 50 0 70 0 80 0 F Discharge Air Control Heating return air heating reset set point 213 DACH RAT RS PRP BND Discharge...

Page 132: ...w Low Speed CFM Alarm Evaluation 0 1800 3600 Seconds 236 NO AIRFLOW ALARM EU Advanced Airflow No Airflow Alarm Evaluation 0 20 300 Count 237 OUTDOOR AIR TARGET Outdoor Air Target 0 0 750 CFM 238 OUTDO...

Page 133: ...ions for Algorithms Enable via the Lennox UC Software 305 LON HEARTBEAT TIME LonTalk Heartbeat Time 0 100 10 00 0 Seconds Heartbeat configuration propriet ies define how often a network variable updat...

Page 134: ...t B 1 DI3 on Staged Output A 2 Otherwise off 12 Reserved 1 DI3 on M3 doesn t matter 2 DI2 on M3 is off 331 GP A02 SP A General Purpose A02 Set Point A 0 0 100 Analog output channel 2 set point A 332 G...

Page 135: ...set point B 1 DI3 on Staged Output A 2 Otherwise off 11 DI2 on PID set point B 1 DI3 on Staged Output A 2 Otherwise off 12 Reserved 1 DI3 on M3 doesn t matter 2 DI2 on M3 is off 1 DI3 on M3 doesn t ma...

Page 136: ...Use P361 8 System IAQ Use P360 9 System OAT Use P362 10 On based on GP3 Temperature Sensor 1 Use P 362 11 On based on GP3 Temperature Sensor 2 Use P 362 12 On based on GP3 AI1 Use P 359 13 On based on...

Page 137: ...I1 Use P 366 13 On based on GP3 AI2 Use P 366 14 On based on GP3 AO1 Use P 366 15 On based on GP3 AO2 Use P 366 Algorithm Y for Input Sources 7 15 see figure 38 on page 139 for further details 366 GP...

Page 138: ...input is set point1 Off when input is set point1 dead band percentage P 363 for P364 seconds Output goes on when input setpoint Timer is started when input is set point deadband Timer continues to run...

Page 139: ...nput is setpoint1 Off when input is set point1 dead band percentage P 370 for P371 seconds Output goes on when input setpoint Timer is started when input is setpoint deadband Timer continues to run un...

Page 140: ...Volume with Bypass Damper Static Pressure Setpoint for Ventila tion Y 0 15 36 Constant Air Volume with Bypass Damper Static Pressure Setpoint for Heating Y 0 16 37 Constant Air Volume with Bypass Damp...

Page 141: ...Lower Stage Run Time in Room Sensor Applications Y 2 08 64 Electric Heat Time Delay for Lower Stage Termination Following Higher Stage Termination Y 3 01 65 Gas Time Delay for Economizer Being Closed...

Page 142: ...Compressor 4 Y 4 12 89 Compressor Minimum Off Delay Y 4 13 91 Compressor Minimum Run Time Y 4 14 98 Maximum High Pressure Occurrences Y 4 15 99 Maximum Low Pressure Occurrences Y 4 16 NONE 4 17 NONE...

Page 143: ...trol Ventilation Outdoor Air Control Hi Temperature Override Full Closed Y 5 23 131 Free Cooling Maximum Damper Y 5 24 132 Minimum Damper Position Y 5 25 133 Room Sensor Start up Delay Y 5 26 134 Indo...

Page 144: ...trol Heating Unoccupied Set Point Y 7 12 176 Discharge Air Control Heating Stage Deadband Y 7 13 177 Discharge Air Control Heating Stage Up Time Delay Y 7 14 178 Discharge Air Control Heating and Fres...

Page 145: ...et Adjustment Set Point Y 8 13 210 Discharge Air Control Heating Outdoor Air Temperature Reset Proportional Band Y 8 14 208 Discharge Air Control Heating Outdoor Air Temperature Reset Adjustment Band...

Page 146: ...Airflow Hi Speed Calibration Y 10 10 NONE 10 11 NONE 10 12 232 Advance Airflow Heat CFM Calibration Y 10 13 233 Advance Airflow Vent CFM Calibration Y 10 14 234 Advance Airflow Low Speed CFM Alarm Se...

Page 147: ...ences in the user interface referencing Advanced Airflow actually indicates Smart Airflow Service Relays Selected alarms marked with in table result in the closure of the service relay contacts DO1 Th...

Page 148: ...n most likely the S4 high pressure switch is the issue The M3 unit controller will clear high pressure switch alarm when corresponding high pressure switch is detected as closed Compressor will not be...

Page 149: ...OMP 4 LOW PRESS S97 Compressor if off Check charge fans and coil 29 STRIKE 3 ON COMP 4 S97 Compressor is off Check charge fans and coil Use service menu to clear lockouts Number of occurrences is set...

Page 150: ...3 SECONDARY HEAT 1 LIMIT OPEN S21 Heat section 1 secondary gas heat limit switch is open Check air flow air filter limit switch and wiring Number of occurrences is reached 54 HEAT 1 S15 LIMIT OPEN Hea...

Page 151: ...ring 78 RETURN AIR TEMP SENSOR RT16 if measurement of the return air temperature sensor is out of specified range includ ing open short detection the alarm will be activated alarm will automatically c...

Page 152: ...primary main system mode 94 BAD ZONE SENSOR SET POINT Ensure that the heating and cooling set points honor the auto changeover deadband 95 98 RESERVED 99 OUTDOOR ECON SENSOR A24 Check sensor and wiri...

Page 153: ...threshold for more than two seconds System will stop unit operations cooling heating and ventilation Low voltage threshold is 30VAC The M3 unit controller will clear alarm 24VAC Voltage high if calcu...

Page 154: ...to the damper motor being unplugged or disconnected 151 ECONOMIZING WHEN OUTDOOR AIR IS NOT SUITABLE This may be due to damper motor being blocked or stuck open and therefore not closing 152 164 RESER...

Page 155: ...PERATURE SENSOR ERROR Alarm will occur when an open or short condition is detected Alarm will also occur when unit controller via the temperature sensor detects an out of range Valid range is 30 F to...

Page 156: ...larming values for Prodigy Alarm 189 are 21 22 23 26 28 29 61 62 and 75 Alarm 189 will clear upon manual reset REFER TO TROUBLE SHOOTING GUIDE IN SERVICE MANUAL FOR MORE INFORMATION 190 INVERTER COMMU...

Page 157: ...pering control See FAC FAH FC Free cooling G Thermostat demand blower GLO Global mode or input economizer H1 1st stage heating H2 2nd stage heating H3 3rd stage heating H4 4th stage heating HP High pr...

Page 158: ...2 W3 Thermostat demand heat stage 3 W4 Thermostat demand heat stage 4 VAC Alternating current voltage VAV Variable air volume Accomplished with a variable frequency drive VFD VDC Direct current volta...

Page 159: ...ption Type 1 T1 24VAC POWER 24VAC 2 GND DIGITAL GROUND 24VAC COM 3 VOT DAMPER CONTROL 2 10VDC DO 4 DPOS DAMPER POSITION FEEDBACK 2 10VDC DI 5 GND DIGITAL GROUND RES 0 5VDC 6 RT16 RETURN AIR TEMP 7 A7...

Page 160: ...AC COMM 24VAC COM 2 A3 K15 HEAT 1 ELECTRIC HEAT 1 24VAC DO 3 W2 K16 HEAT 2 ELECTRIC HEAT 2 24VAC DO 4 DDPS DAMPER DIFFER PRESSURE SENSOR 0 5VDC 5 GND GROUND GND 6 5VDC 5VDC SUPPLY 5VDC Table 72 P267 O...

Page 161: ...P298 IAQ Interface Pin Label Description Type 1 R TRANSFORMER 1 24VAC POWER 24VAC 2 C TRANSFORMER 1 24V COMMON 24VAC COMM 3 IAQ INDOOR AIR QUALITY 0 10VDC AI 4 GND INDOOR AIR QUALITY 0 10VDC AI 5 HUM...

Page 162: ...STOR INPUT 2 10K 25C RES 0 3 3 VDC ULTRA C SENSOR THERMISTOR COMPRESSOR 4 14 ANALOG INPUT 1 0 10VDC ULTRA C TRANSDUCER TANDEM COMP B 0 5VDC 15 ANALOG INPUT 2 0 10VDC 16 THERMISTOR INPUT 1 10K 25C RES...

Page 163: ...D 15 OPEN NOT USED 16 OPEN NOT USED Table 84 P272 Pin Label Description Type 1 PRIMARY LIMIT PRIMARY LIMIT BURNER 2 C SW 24VAC 2 PRIMARY LIMIT BURNER 2 NC 3 PRIMARY LIMIT BURNER 2 NO 4 SECONDARY SECON...

Page 164: ...n Zone Link after a communication loss or shutdown Enhanced alarm reporting on four compressor Ultra units Enhanced unit BACnet network identification options Improved override functionality in room s...

Page 165: ...49 Demand Control Ventilation Damper Settings 49 Dirty Filter Switch S27 Optional 20 Discharge Air Control 59 E Economizer 45 Economizer and Settings 45 Economizer Checkout 47 Economizer Differential...

Page 166: ...e 21 Room Sensor Parameters 14 S Safety Switch Input A42 Optional 19 Sensors 23 Sequence of Operations 83 Constant Air Volume Units in Bypass Zoning Applications with a Third Party Unit Controller and...

Page 167: ...nd S180 16 Thermostat Bounce Delay Wired Thermostat Mode Only 19 Third Party Digital Input to Control Dehumidification 35 Third Party Zoning 65 U Unit Sizes 7 Unoccupied or Night Setback Mode 21 V Var...

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