Bard MC4002 Installation Instructions & Replacement Parts List Download

Page: 33 / 61

Manual 2100-614K
Page

33 of 61

MIS-3827 A

REM 2

REMOVE JUMPER

COPPER

UNIT 2

HUMIDITY

SILVER

B/W1

"NC" CONTACTS - OPEN ON ALARM

FIRE/SMOKE ALARM CIRCUIT

CONTROLLER

"NO" CONTACTS - CLOSE ON RISE

OPERATE ON DC POWER ONLY

FIRE/SMOKE

OR CONTROLLER WILL NOT

CONNECTION

LOCKOUT 1

OPTIONAL - 48 VDC

24V TERMINALS

A/C #2

24V TERMINALS

A/C #1

MUST BE CONNECTED AS SHOWN

OPTIONAL FIELD INSTALLED

REFRIGERANT LOCKOUT

CONNECTIONS FOR

OPTIONAL ALARM BOARD

IS POLARITY SENSITIVE AND

NOTE: DC BACK-UP POWER

UNIT 1

LOCAL

REM 1

GEN

48 VDC

LOCKOUT 2

HUMIDITY CONTROLLER

CU, AND SILVER LEAD TO AG.

LEAD MUST CONNECT TO

SENSOR 12" LEADS

COPPER

SILVER

COPPER

SILVER

STANDARD LOCAL

POLARITY SENSITIVE. COPPER

NOTE: ALL SENSORS ARE

NUMBER 8612-023A

REMOVE JUMPER

SENSORS, BARD PART

"NC" CONTACTS - OPEN ON ALARM

GENERATOR RUN ALARM

35 FOOT TEMPERATURE

OPTIONAL FIELD INSTALLED

1 REQUIRES ALARM RELAY IN EACH A/C UNIT,

WHICH IS PART OF "J" CONTROL MODULE.

CONTROLLER CONNECTIONS DIAGRAM 9

1-Stage (W**AA/W**LA Series) Air Conditioners – No Economizers

Summary of Contents for MC4002

Page 1: ...4002 Series Solid State Dual Unit Lead Lag Controller INSTALLATION INSTRUCTIONS REPLACEMENT PARTS LIST Bard Manufacturing Company Inc Bryan Ohio 43506 www bardhvac com Manual 2100 614K Supersedes 2100 614J Date 4 1 21 ...

Page 2: ... Operating Sequences for Alternating Lead Lag Lead Lag Configuration 11 Cooling Operating Sequences for Non Alternating Lead Lead Lag Lag Configuration 13 Heating Sequence of Operation 15 Specifications for Optional Remote Communication Board 15 Controller Wiring 23 Security Locking Feature 23 Generator Run Feature 23 Backup DC Power Connection 23 Controller Connections Diagrams 24 Single Unit App...

Page 3: ...ations or user preference The MC4002 can be equipped with one of two alarm boards and these can be factory installed or installed at any time in the field if so desired Should the base controller alone be initially installed it is easily upgradeable by simple snap in plug in field installation of either one of the alarm boards requiring only the connection of the building alarm circuitry to the al...

Page 4: ... 49C Storage temperature range 20 to 140F 29 to 60C Temperature accuracy 1F from 60 85F 16 30C 1 outside 60 85F Lead lag changeover time 0 to 30 days Timing accuracy 1 Inter stage time delay 10 seconds between stages Inter stage differential Stage 1 to 2 Range 2 6F default is 4 Stage 2 to 3 Range 2 3F default is 2 Stage 3 to 4 Range 2 3F default is 2 On Off differential 2F 1C is standard 4F 3C whe...

Page 5: ...f this is the only sensor connected it will control the temperature read out the space building temperature and also be used for Low and High Temperature alarm functions If one or more REMOTE sensors are installed and connected Rem 1 or Rem 2 the temperature read out will display and the building will be controlled to an average of all connected sensors If there is more than 10F difference from th...

Page 6: ...ated for pilot duty operation at 2 amp 24VAC minimum Shielded wire 22 gauge minimum must be used and the shield must be grounded to the controller enclosure SPECIFICATIONS FEATURES FOR ALARM BOARDS MC4002 A w Optional Base Alarm Board Inputs Outputs NOTE If this alarm board was not originally factory installed it can be field installed at anytime Bard part number is AB3000 B NOTE If this alarm boa...

Page 7: ...ling output is delayed after that stage is called for There is also a delay after the stage is satisfied and after the LED stops blinking the stage will turn off There is a minimum 10 second delay between stages 2 3 and 3 4 but no delayed output when stage is turned on or off and LED for those stages will not blink BLOWER OPERATION The controller can be configured to have main HVAC blowers cycle o...

Page 8: ... SETTINGS Order Display Description Range Choice Default LSEn Temperature at local main sensor SP Cooling setpoint temperature 65 to 90F 18 to 32C 77F 25C db Deadband between cooling SP and heating setpoint 2 to 40F 1 to 24C 17F 9 4C r1 Temperature at remote sensor 1 location if connected r2 Temperature at remote sensor 2 location if connected cFAn Continuous blower operation None Lead Both None d...

Page 9: ...running in dehumidification mode Cooling and heating operation will use lead lag operation controlled by the MC4002 When purchasing equipment to be used with this humidity reduction method it is important that one or both wall mount units include the D hot gas reheat dehumidification option Synchronized Dehumidification Option NOTE This function is not available if controller is configured for hea...

Page 10: ...r 8403 047 One or both units must be equipped with the D hot gas reheat dehumidification option Dehumidification operation will be independent from the MC4002 controller Sequence of operation with default set points 1 Temperature control always has priority over dehumidification regarding individual unit operation If there is any stage of cooling demand active the dehumidification sequence is lock...

Page 11: ...he Stage 1 LED will blink for 10 seconds before going solid at which time the compressor will start 2nd cooling setpoint is 4F default setting user selectable 2 6F warmer than Stage 1 On a call for 2nd Stage cooling the blower of the lag unit is turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the compressor will start ...

Page 12: ...turned on if not already on See Blower Operation and the Stage 2 LED will blink for 10 seconds before going solid at which time the lag unit Y1 cooling output turns on If the outdoor temperature and humidity conditions are below the setpoint of the economizer control the lag unit economizer will operate instead of the compressor If outdoor conditions are not acceptable for free cooling the compres...

Page 13: ...ing selection and force system to Alternating Lead Lag Lead Lag sequence 1 2 Stage Compressor Units No Economizer 1st stage1st stage cooling setpoint is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid ...

Page 14: ...outside free cooling range no action occurs at 4th cooling setpoint 4 2 Stage Compressor Units with EIFM Economizers 1st stage cooling setpoint is the setting SP input into the controller Factory default is 77F 25C On a call for cooling the blower of the lead unit will come on immediately if not already on See Blower Operation and the Stage 1 LED will blink for 10 seconds before going solid at whi...

Page 15: ...ditioners with electric heat or heat pumps will automatically operate in Alternating Lead Lag Lead Lag sequence even if controller is set to Non Alternating for cooling with or without economizers 1 Air Conditioners with Electric Heat 1st stage heating setpoint is the dead band db below the 1st stage cooling setpoint the SP entered into the program The dead band is adjustable from 2 40F and factor...

Page 16: ...ndows 10 1 Open Control Panel click Network Internet 2 Click Network Sharing Center 3 Click Local Area Connection or Ethernet link 4 Click Properties 5 Highlight Internet Protocol Version 4 TCP IPV4 and select Properties 6 Change the addresses as follows IP address 192 168 1 50 Subnet mask 255 255 255 0 Default gateway 192 168 1 1 Preferred DNS server 192 168 1 10 Alternate DNS server 192 168 1 11...

Page 17: ...ontroller system Locked or Unlocked e Comfort mode Active or not 3 Temperatures a Average temperature if more than one sensor used if not will read same as Local sensor b Local sensor at controller c Remote 1 or Remote 2 if connected 4 General Alarm Status a Fire Smoke Clear or Alarm b Low Temp Clear or Alarm c High Temp 1 Clear or Alarm d High Temp 2 Clear or Alarm e Controller Failure Clear or A...

Page 18: ...eries in the browser s URL address bar to access the CB5000 Series NOTE 2 To get back to the CB5000 Series default IP setting simply hold the reset button next to the Ethernet jack for 5 seconds then release Connect to Network 1 After initial set up using laptop computer disconnect computer cable from the Ethernet port and connect the CAT 5 or CAT 6 network cable 2 Remote access is now available u...

Page 19: ...es Notification Setup Page MC4000 HVAC Monitor Controller The notification setup page is used to determine which alarms are remotely communicated to the offsite monitoring systems The CB5000 Series has the capability to communicate using SNMP v2 protocol as well as email notifications for specific events Email Notifications To enable email notifications ensure that the check box is checked next to...

Page 20: ... Traffic Limitation The CB5000 Series has limitations regarding how fast the controller can be polled for data It is recommended that polling be limited to no faster than once per minute In addition to this it is also recommended that the network administrator for the network in which the device will be connected is contacted regarding a network inventory scan If the network has a scheduled networ...

Page 21: ... List Description Setup ipv4TrapReceiverNumber Used to indicate the row of the table and is not configurable Setup ipv4TrapEnabled Used to enable up to 4 IPv4 trap recipients Setup ipv4TrapReceiverIPAddress Used to set the IP address destination for each IPv4 recipients Setup ipv4TrapCommunity Used to set the community for each IPv4 recipient Setup ipv6TrapReceiverNumber Used to indicate the row o...

Page 22: ...er Locked Status SystemStatus LeadUnitHVAC1 Lead unit is HVAC 1 SystemStatus LeadUnitHVAC2 Lead unit is HVAC 2 SystemStatus Unit1Fan Unit 1 fan status SystemStatus Unit2Fan Unit 2 fan status Operation Status CoolingStage1 Stage 1 cooling status Operation Status CoolingStage2 Stage 2 cooling status Operation Status CoolingStage3 Stage 3 cooling status Operation Status CoolingStage4 Stage 4 cooling ...

Page 23: ...d password CONTROLLER WIRING The MC4002 can be used for controlling two 2 air conditioners with or without economizers It can also be configured for two 2 heat pumps without economizers Units with economizers will connect differently than units without economizers therefore it is important to use the correct connection diagram There are older style EIFM economizers and newer style ECONWM or WECOP ...

Page 24: ...37 14 1 Stage WA WL W A W L Series Air Conditioners No Economizers with Alarm Board CB5000 Series Communication Board 38 15 1 Stage WA WL W A W L Series Air Conditioners with ECONWM Economizers 39 16 1 Stage WA WL W A W L Series Air Conditioners with ECONWM Economizers and with Alarm Board CB5000 Series Communication Board 40 17 1 Stage WA WL W A W L Series Air Conditioners with EIFM Economizers 4...

Page 25: ...EN ON ALARM REMOVE JUMPER GENERATOR RUN ALARM OPTIONAL FIELD INSTALLED 1 NUMBER 8612 023A SILVER COPPER SILVER COPPER SILVER COPPER SENSORS BARD PART SENSOR 12 LEADS STANDARD LOCAL 35 FOOT TEMPERATURE CU AND SILVER LEAD TO AG LEAD MUST CONNECT TO CONTROLLER GEN REM 2 REM 1 LOCAL UNIT 2 UNIT 1 4 48 VDC HUMIDITY POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED OPTIONAL ALARM B...

Page 26: ...LARM REMOVE JUMPER C GENERATOR RUN ALARM OPTIONAL FIELD INSTALLED 1 NUMBER 8612 023A SILVER COPPER SILVER COPPER SILVER COPPER SENSORS BARD PART SENSOR 12 LEADS STANDARD LOCAL 35 FOOT TEMPERATURE CU AND SILVER LEAD TO AG LEAD MUST CONNECT TO CONTROLLER GEN REM 2 REM 1 LOCAL UNIT 2 UNIT 1 O 48 VDC HUMIDITY POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED OPTIONAL ALARM BOARD ...

Page 27: ...ARE NUMBER 8612 023A REMOVE JUMPER SENSORS BARD PART NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE OPTIONAL FIELD INSTALLED NO CONTACTS CLOSE ON RISE HUMIDITY CONTROLLER JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY COOLING REMOVE JUMPER 3 2 2 F E 3 OPTIONAL ALARM BOARD F E 2 3 2 3 ECON 1 LOCKOUT 1 LOCKOUT 2 1 ECON 2 A 3 2 1 2 A C 1 A C 2 1 REFRIGE...

Page 28: ...VE COPPER NOTE ALL SENSORS ARE NUMBER 8612 023A NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE OPTIONAL FIELD INSTALLED NO CONTACTS CLOSE ON RISE HUMIDITY CONTROLLER JADE CONTROLLER MUST BE SET TO 10V ON MINIMUM POSITION TO WORK AS EMERGENCY COOLING REMOVE JUMPER 3 2 2 F E 3 3 F E 2 3 2 A ECON 1 LOCKOUT 1 LOCKOUT 2 ECON 2 A 1 BOARD ALARM 3 2 1 2 A C 1 A C 2 1 REFRIGERANT PRESSUR...

Page 29: ...UMBER 8612 023A REMOVE JUMPER SENSORS BARD PART NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE NO CONTACTS CLOSE ON RISE HUMIDITY CONTROLLER A C 2 THE JUMPER BETWEEN Y2 AND Y3 MUST BE IN PLACE Y2 OPTIONAL FIELD INSTALLED NC CONTACTS OPEN ON ALARM FIRE SMOKE ALARM CIRCUIT A C 1 REMOVE JUMPER UNIT 1 48 VDC CONNECTION FIRE SMOKE OPTIONAL 48 VDC Y1 R G B W1 C R G W Y2 Y1 C F2 F1 Y2 ...

Page 30: ...Y2 B W1 G R C G R B W1 Y2 NC CONTACTS OPEN ON ALARM FIRE SMOKE FIRE SMOKE ALARM CIRCUIT CONNECTION 48 VDC UNIT 1 UNIT 2 LOCAL REM 1 REM 2 GEN OPTIONAL 48 VDC CONTROLLER HUMIDITY SENSOR 12 LEADS COPPER SILVER COPPER SILVER COPPER SILVER NOTE DC BACK UP POWER STANDARD LOCAL 3 NUMBER 8612 023A BOARD RT NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE NO CONTACTS CLOSE ON RISE 3 2 2 F...

Page 31: ...8 VDC HUMIDITY CONNECTION FIRE SMOKE OPTIONAL 48 VDC POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE OPTIONAL FIELD INSTALLED OPERATE ON DC POWER ONLY OR CONTROLLER WILL NOT FIRE SMOKE ALARM CIRCUIT NC CONTACTS OPEN ON ALARM Y1 B W1 Y2 R G C R B W1 C CU AG CU AG R G W C H2 H1 G2 G1 AG CU Y2 G Y1 F2 F1 IS POLARITY SENSITIVE AND MIS 4285 Y2 MUST BE CONNECTED AS SHOWN 5 W2 ADD JUMPER IF 15 KW OR HIGHE...

Page 32: ...TANDARD LOCAL POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE NUMBER 8612 023A REMOVE JUMPER SENSORS BARD PART NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE NO CONTACTS CLOSE ON RISE 3 2 2 F E HUMIDITY CONTROLLER 3 3 F E 2 3 2 A LOCKOUT 1 F1 LOCKOUT 2 ECON 2 A BOARD 3 2 4 2 4 A C 1 A C 2 ALARM OPTIONAL FIELD INSTALLED OPTIONAL FIELD INSTALLED R 2 3 E P M A D T U O X 3 3 NO 2 C 3...

Page 33: ...ONAL FIELD INSTALLED REFRIGERANT LOCKOUT CONNECTIONS FOR OPTIONAL ALARM BOARD IS POLARITY SENSITIVE AND NOTE DC BACK UP POWER Y2 Y1 UNIT 1 LOCAL REM 1 GEN 48 VDC LOCKOUT 2 HUMIDITY CONTROLLER CU AND SILVER LEAD TO AG LEAD MUST CONNECT TO SENSOR 12 LEADS CU COPPER R SILVER COPPER SILVER STANDARD LOCAL POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE NUMBER 8612 023A REMOVE JUMPER SENSORS BARD PART NC...

Page 34: ... TERMINALS A C 2 24V TERMINALS A C 1 MUST BE CONNECTED AS SHOWN POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE U STANDARD LOCAL 48 VDC UNIT 1 UNIT 2 LOCAL REM 1 REM 2 GEN CONTROLLER HUMIDITY CU AND SILVER LEAD TO AG LEAD MUST CONNECT TO SENSOR 12 LEADS COPPER SILVER COPPER SILVER COPPER O 35 FOOT TEMPERATURE GENERATOR RUN ALARM NC CONTACTS OPEN ON ALARM NUMBER 8612 023A REMOVE JUMPER SENSORS BARD ...

Page 35: ... MUST CONNECT TO SENSOR 12 LEADS COPPER SILVER COPPER SILVER COPPER SILVER NOTE DC BACK UP POWER STANDARD LOCAL POLARITY SENSITIVE COPPER NOTE ALL SENSORS ARE NUMBER 8612 023A REMOVE JUMPER SENSORS BARD PART NC CONTACTS OPEN ON ALARM GENERATOR RUN ALARM 35 FOOT TEMPERATURE OPTIONAL FIELD INSTALLED NO CONTACTS CLOSE ON RISE HUMIDITY CONTROLLER A C 2 REMOVE JUMPER 3 2 2 F E 3 A 3 F E 2 3 2 A ECON 1 ...

Page 36: ...PER SILVER REMOVE JUMPER IS POLARITY SENSITIVE AND GEN OPTIONAL 48 VDC CONTROLLER NOTE ALL SENSORS ARE HUMIDITY 2 REM 1 C ECON 2 STANDARD LOCAL NOTE DC BACK UP POWER NC GENERATOR RUN ALARM REMOVE JUMPER 3 2 2 LOCKOUT 1 F CB5000 3 3 F E 2 3 2 A ECON 1 E NUMBER 8612 023A NC CONTACTS OPEN ON ALARM HUMIDITY CONTROLLER LOCKOUT 2 35 FOOT TEMPERATURE OPTIONAL FIELD INSTALLED NO CONTACTS CLOSE ON RISE W N...

Page 37: ...Manual 2100 614K Page 37 of 61 MIS 2012D CONTROLLER CONNECTIONS DIAGRAM 13 1 Stage WA WL W A W L Series Air Conditioners No Economizers ...

Page 38: ...Manual 2100 614K Page 38 of 61 CONTROLLER CONNECTIONS DIAGRAM 14 1 Stage WA WL W A W L Series Air Conditioners No Economizers with Alarm Board CB5000 Series Communication Board ...

Page 39: ...Manual 2100 614K Page 39 of 61 CONTROLLER CONNECTIONS DIAGRAM 15 1 Stage WA WL W A W L Series Air Conditioners with ECONWM Economizers ...

Page 40: ...Manual 2100 614K Page 40 of 61 CONTROLLER CONNECTIONS DIAGRAM 16 1 Stage WA WL W A W L Series Air Conditioners with ECONWM Economizers and with Alarm Board CB5000 Series Communication Board ...

Page 41: ...Manual 2100 614K Page 41 of 61 CONTROLLER CONNECTIONS DIAGRAM 17 1 Stage WA WL W A W L Series Air Conditioners with EIFM Economizers ...

Page 42: ...Manual 2100 614K Page 42 of 61 CONTROLLER CONNECTIONS DIAGRAM 18 1 Stage WA WL W A W L Series Air Conditioners with EIFM Economizers and with Alarm Board CB5000 Series Communication Board ...

Page 43: ...Manual 2100 614K Page 43 of 61 CONTROLLER CONNECTIONS DIAGRAM 19 2 Stage WA S WL S Series Air Conditioners No Economizers ...

Page 44: ...Manual 2100 614K Page 44 of 61 CONTROLLER CONNECTIONS DIAGRAM 20 2 Stage WA S WL S Series Air Conditioners No Economizers with Alarm Board CB5000 Series Communication Board ...

Page 45: ...Manual 2100 614K Page 45 of 61 CONTROLLER CONNECTIONS DIAGRAM 21 2 Stage WA S WL S Series Air Conditioners with ECONWM Economizers ...

Page 46: ...Manual 2100 614K Page 46 of 61 CONTROLLER CONNECTIONS DIAGRAM 22 2 Stage WA S WL S Series Air Conditioners with ECONWM Economizers and with Alarm Board CB5000 Series Communication Board ...

Page 47: ...Manual 2100 614K Page 47 of 61 CONTROLLER CONNECTIONS DIAGRAM 23 2 Stage WA S WL S Series Air Conditioners with EIFM Economizers ...

Page 48: ...Manual 2100 614K Page 48 of 61 CONTROLLER CONNECTIONS DIAGRAM 24 2 Stage WA S WL S Series Air Conditioners with EIFM Economizers and with Alarm Board CB5000 Series Communication Board ...

Page 49: ...62 RELAYS NOTE ALL SENSORS ARE G IS POLARITY SENSITIVE AND R REMOVE JUMPER UNIT 1 48 VDC CONNECTION FIRE SMOKE F2 F1 CB OPTIONAL 48 VDC 3 LOCKOUT 1 LOCKOUT 2 2 REFRIGIRANT LOCKOUT CONNECTIONS FOR NC CONTACTS OPEN ON ALARM REMOVE JUMPER GENERATOR RUN ALARM OPTIONAL ALARM BOARD 1 NUMBER 8612 023A SILVER COPPER SILVER COPPER SILVER COPPER SENSORS BARD PART SENSOR 12 LEADS STANDARD LOCAL CONTROLLER GE...

Page 50: ...1 G2 H1 H2 AG CU AG CU LOCAL REM 1 REM 2 GEN HUMIDITY SENSOR 12 LEADS COPPER SILVER COPPER SILVER C 1 24V TERMINALS HEAT PUMP 1 HEAT PUMP 2 24V TERMINALS NUMBER 8612 023A CONTROLLER STANDARD LOCAL 35 FOOT TEMPERATURE REMOVE JUMPER REFRIGIRANT LOCKOUT GENERATOR RUN ALARM LOCKOUT 2 LOCKOUT 1 CB F1 F2 CONNECTIONS FOR 2 3 CONNECTION Y2 48 VDC SENSORS BARD PART MUST BE CONNECTED AS SHOWN COPPER OR CONT...

Page 51: ...Manual 2100 614K Page 51 of 61 CONTROLLER CONNECTIONS DIAGRAM 27 WH W H SH S H Heat Pumps No Economizers ...

Page 52: ...Manual 2100 614K Page 52 of 61 CONTROLLER CONNECTIONS DIAGRAM 28 WH W H SH S H Heat Pumps No Economizers and with Alarm Board CB5000 Series Communication Board ...

Page 53: ...DEDWIRES TOKEEP UNIT2 POWER LOSS ALARMOFF 2 2 3 OPTIONALFIELDINSTALLED OPTIONALALARMBOARD CONNECTIONS FOR NOTE DC BACK UP POWER IS POLARITYSENSITIVE AND M USTBE CONNECTEDAS SHOWN OR CONTROLLER WILLNOT OPERATE ONDC POWER ONLY REQUIRES ALARMRELAYINEACHA C UNITWHICHIS PARTOF J CONTROLM ODULE WIRE PER CORRECT DIAGRAMFOR UNITBEING CONNECTED Single Unit Application for MC4002 with Alarm Board When conne...

Page 54: ...a method to issue an alarm signal that the lead air conditioner is down or not delivering full capacity and that the lag air conditioner is now operating REFRIGERANT PRESSURE ALARMS Air conditioners with J control module are equipped with an alarm relay that is activated upon high or low refrigerant pressure lockout conditions Connecting terminals 2 and 3 from the air conditioner 24V terminal bloc...

Page 55: ... from possible damage during installation of the wiring to main controller board and or the alarm board It is polarity sensitive and is keyed so it can only be installed in correct position see ALARM LED DISPLAY BOARD on page 54 NOTE 1 2nd Stage Econ 1 Econ 2 High Temp 2 and Controller alarms are only on B alarm board All other alarms are on both A and B alarm boards ...

Page 56: ... from possible damage during installation of the wiring to main controller board and or the alarm board It is polarity sensitive and is keyed so it can only be installed in correct position see ALARM LED DISPLAY BOARD on page 54 NOTE 1 2nd Stage Econ 1 Econ 2 High Temp 2 and Controller alarms are only on B alarm board All other alarms are on both A and B alarm boards ...

Page 57: ... shown If no buttons are pushed within 30 seconds the controller will automatically revert back to RUN mode To reset all controller settings to the factory default values press the PROGRAM button for 10 seconds until display reads dEF NOTE When the controller has the security locking feature enabled no changes to any selectable features can be made and the default reset feature is also locked out ...

Page 58: ...Default is 77F 25C 5 Deadband between cooling and heating setpoint 2 to 40F or 1 1 to 22 2C Default is 17F 9 4C 6 Continuous blower operation None Lead Both Default is None 7 Degree display F or C Default is F 8 Alternating Lead Lag Lead Lag Sequence or Non Alternating Lead Lead Lag Lag Sequence Yes or No Default is Yes for Alternating 9 Lead Lag changeover time Days 1 to 30 days or 0 for disabled...

Page 59: ...Manual 2100 614K Page 59 of 61 FIGURE 3 PARTS LIST DESCRIPTION DIAGRAM Parts list on following page 1 10 17 8 11 MIS 2954 C 16 6 3 4 5 12 7 9 2 15 14 13 18 ...

Page 60: ...x Door X X X X X 7 8611 099 LTF Fitting X X X X X 8 5400 002 Hinge X X X X X 9 8612 023A Sensor X X X X X 10 7961 731 Label Keypad X X X X X 11 8611 006 Ground Lug 2 2 2 2 2 12 8612 047 Communication Board X X X 13 8607 030 Terminal Block X X X X X 14 113 588 Fuse Bracket X X X X X 15 8614 056 Fuse Holder X X X X X 16 1171 023 1 4 Turn Receptacle X X X X X 17 1171 022 1 4 Turn Fastener X X X X X 1...

Page 61: ... 3 104 100 310 9257 3 109 101 311 4812 3 115 102 312 0367 3 120 103 312 5922 3 126 104 313 1477 3 131 105 313 7032 3 137 NOTES 1 If sensor is connected in reverse copper wire to AG terminal and silver wire to CU terminal the voltage across the two terminals will measure approximately 7vDC Controller must be On 2 If sensor connected with reverse polarity the display should read 00 3 Cannot check se...

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