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Bard MV4000 SERIES Installation Instructions & Replacement Parts List

Manual is about: SOLID STATE DUAL UNIT LEAD/LAG CONTROLLER for use with H-Series Wall Mount Air Conditioners

Summary of MV4000 SERIES

  • Page 1

    Manual 2100-571a page 1 of 31 mv4000 series solid state dual unit lead/lag controller for use with h-series wall mount air conditioners installation instructions & replacement parts list manual no.: 2100-571a supersedes: 2100-571 file: vol. Iii tab 19 date: 07-25-12 bard manufacturing company, inc. ...

  • Page 2: Contents

    Manual 2100-571a page 2 of 31 contents econ. Failure & 2-compressor run alarm ........... 24 alarm wiring ........................................................... 24 2nd stage cooling alarm ....................................... 25 refrigerant pressure alarms ................................. 25...

  • Page 3

    Manual 2100-571a page 3 of 31 getting other information and publications these publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. Stand...

  • Page 4: ** Important **

    Manual 2100-571a page 4 of 31 shipping damage upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent. General...

  • Page 5

    Manual 2100-571a page 5 of 31 specifications/features for mv4000-b controller mv4000 basic controller •input power: 18-32 vac, 60/50hz, power is supplied from a/c #1 and/or a/c #2 •isolation circuitry: no line or low voltage phasing required •backup power: connection for -24 vdc or -48 vdc (-20 to -...

  • Page 6

    Manual 2100-571a page 6 of 31 located in the mv4000 panel box unit #1 terminal block r – 24vac hot from unit c – 24vac common from unit y – compressor signal to unit a – compressor signal from economizer 4 – dirty filter alarm from unit 5 – dirty filter alarm from unit 6 – no connection (do not use)...

  • Page 7

    Manual 2100-571a page 7 of 31 low voltage field wiring the mv4000 is powered from the air conditioners that it is controlling, 24 vac (18-32v) low voltage only. Circuitry in the mv4000 isolates the power supplies of the two air conditioners so that no back feeds or phasing problems can occur. Additi...

  • Page 8

    Manual 2100-571a page 8 of 31 fire suppression circuit to disable the mv4000 and shut down both air conditioners, terminals f1 and f2 may be used. The f1 and f2 terminals must be jumpered together for normal operation. A normally closed (nc) set of dry contacts may be connected across the terminals ...

  • Page 9

    Manual 2100-571a page 9 of 31 general programming overview mv4000 controller buttons and function on/off button 1. Press and release the on/off button to turn on controller, 4-character display will illuminate and lead unit led will light. 2. Press and release the on/off button to turn off controlle...

  • Page 10: Caution

    Manual 2100-571a page 10 of 31 humidity control option note: this function is not available if controller is configured for heat pump. The standard air conditioning system can be adapted to perform dehumidification control by addition of a simple humidity controller that closes-on-rise, and is conne...

  • Page 11

    Manual 2100-571a page 11 of 31 3. 1-stage compressor units with newer econwmt economizers (see note a) 1 st stage cooling set point 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 ...

  • Page 12

    Manual 2100-571a page 12 of 31 2. 1-stage compressor units with newer econwmt economizers (see note a) 1 st stage cooling set point 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 ...

  • Page 13

    Manual 2100-571a page 13 of 31 specifications for optional remote communication board cb4000 communication board note: if this communication board was not originally factory installed it can be field-installed at anytime. Bard part number is cb4000. It allows remote access via ethernet, depending up...

  • Page 14

    Manual 2100-571a page 14 of 31 user page 1. The designated admin person can assign up to 9 additional users and set-up as admin, write or read authority. 2. User name and password must be assigned, each must be at least 3 characters long, and are case sensitive. 3. Only “admin” can add, change or de...

  • Page 15

    Manual 2100-571a page 15 of 31 controller wiring the mv4000 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; therefor...

  • Page 16

    Manual 2100-571a page 16 of 31 cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to lead to ag 2 e f 2 3 e f 3 2 comp run alarm terminal block gen run alarm/ econ shutdown mv4000 controller rem 2 rem 1 local ag h2 h1 cu ag cu ag cu f2 f1 c w y1 y2 main board humi...

  • Page 17

    Manual 2100-571a page 17 of 31 cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to lead to ag 2 comp run alarm terminal block gen run alarm/ nc contacts open on alarm nc contacts econ shutdown open on alarm remove jumper 2 e f 2 3 e f 3 _ + c r mv4000 controller...

  • Page 18

    Manual 2100-571a page 18 of 31 figure 3 mv4000-bc controller connections 1-stage (h**a/h**l series) air conditioners – no economizer with alarm board & cb4000 communication board 2 e f 2 3 e f 3 cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to lead to ag 2 no...

  • Page 19

    Manual 2100-571a page 19 of 31 figure 4 mv4000-bc controller connections 2-stage (ha*s/hl*s series) air conditioners – no economizers with alarm board & cb4000 communication board 2 e f 2 3 e f 3 cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to lead to ag 2 n...

  • Page 20

    Manual 2100-571a page 20 of 31 figure 5 mv4000-b controller connections 1-stage (h**a/h**l series) air conditioners with (econwmt) economizers cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to lead to ag 2 e f 2 3 e f 3 y econ shutdown gen run alarm/ r mv4000 ...

  • Page 21

    Manual 2100-571a page 21 of 31 this page intentionally left blank..

  • Page 22

    Manual 2100-571a page 22 of 31 figure 7 mv4000-bc controller connections 1-stage (h**a/h**l series) air conditioners with (econwmt) economizers and with alarm board & cb4000 communication board 2 e f 2 3 e f 3 cu, and silver must note: all sensors are polarity sensitive. Copper lead must connect to ...

  • Page 23

    Manual 2100-571a page 23 of 31 this page intentionally left blank..

  • Page 24

    Manual 2100-571a page 24 of 31 alarm wiring alarm relays can be wired for no (close on alarm) or nc (open on alarm) strategy. Alarm relays can be used individually if there are enough available building alarm points, or can be arranged into smaller groups or even a single group so that all alarm cap...

  • Page 25

    Manual 2100-571a page 25 of 31 2nd stage cooling alarm this alarm output is available for use if desired. It is important to note that in some installations, due to a/c system sizing and internal heat load, that the secondary (lag) air conditioning unit may be called upon to assist the lead air cond...

  • Page 26

    Manual 2100-571a page 26 of 31 figure 9 alarm board connections for normally closed "nc" open-on-alarm strategy important! Led display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and/or the alarm board. It is polarity sensitive...

  • Page 27

    Manual 2100-571a page 27 of 31 figure 10 alarm board connections for normally open "no" close-on-alarm strategy important! Led display board is shipped loose to protect it from possible damage during installation of the wiring to main controller board and/or the alarm board. It is polarity sensitive...

  • Page 28

    Manual 2100-571a page 28 of 31 programming instructions to swap lead and lag unit positions, press the advance button. To enter the program mode, press the program button and release it when the message prog appears on the display. When in program mode, the down and up arrows are used to scroll thro...

  • Page 29

    Manual 2100-571a page 29 of 31 material: 10 mil hp92wp lexan adhesive: 7952mp premask: 4075 colors: black, spot white, trans red, spot frosted clear trans red window adhesive die emboss die cut 11” 8.5” v 4 27f/15c lead 7961-758.

  • Page 30

    Manual 2100-571a page 30 of 31 figure 11 parts list description diagram sexp-638 a 1 5 4 17 9 13 16 15 15 19 2 7 12 3 14 11 19 18 10 6 8.

  • Page 31

    Manual 2100-571a page 31 of 31 parts list dwg. No. Part no. Description mv4000-b mv4000-bc ab3000-b cb4000 1 127-423-4 control box x x 2 8612-038 controller board x x 3 8612-021 alarm board b x x x 4 8612-022 alarm display x x x 5 113-456-4 support bracket x x 6 152-515-4 control box door x x 7 8611...