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Bard MV4000 manual

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Table of contents for the manual

  • Page 1

    Manual 2100-571A Page 1 of 31 MV4000 SERIES SOLID ST A TE DUAL UNIT LEAD/LAG CONTROLLER for use with H-Series W all Mount Air Conditioners INST ALLA TION INSTRUCTIONS & REpLACEMENT p ARTS LIST Manual No.: 2100-571A Supersedes: 2100-571 File: V ol. III T ab 19 Date: 07-25-12 Bard Manufacturing Company , Inc. Bryan, Ohio 43506 Since 1914...Moving[...]

  • Page 2

    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 Emergency V entilation Sequence .............[...]

  • 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. Y ou can usually nd these at your local library or purchase them directly from the publisher . Be sure to consult current edition of each standard. Standard for the Installation ............... ANSI/N[...]

  • Page 4

    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 These instructions explain the operation, in[...]

  • Page 5

    Manual 2100-571A Page 5 of 31 sPecIFIca tIOns/Fea tures FOr mv4000-b cOntrOller MV4000 Basic Controller •Input power: 18-32 V AC, 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 -56V) maintains microprocessor operation, [...]

  • Page 6

    Manual 2100-571A Page 6 of 31 lOca teD In the mv4000 P anel bOx Unit #1 t erminal Block R – 24V AC hot from Unit C – 24V AC 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) 8 – Economizer Fail from Uni[...]

  • Page 7

    Manual 2100-571A Page 7 of 31 lOW vOl t aGe FIelD WIrInG The MV4000 is powered from the air conditioners that it is controlling, 24 V AC (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 . Additionally , if one air conditioner loses power ,[...]

  • Page 8

    Manual 2100-571A Page 8 of 31 FIre suPPressIOn cIrcuIt T o 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 and the factory jumper removed for use with a [...]

  • Page 9

    Manual 2100-571A Page 9 of 31 General PrOGrammInG Over vIeW mv4000 cOntrOller buttOns anD FunctIOn On/Off Button 1. Press and release the On/Of f button to turn On controller, 4-character display will illuminate and Lead unit LED will light. 2. Press and release the On/Of f button to turn Off controller . Controller will go dark and A/C units will [...]

  • Page 10

    Manual 2100-571A Page 10 of 31 humIDItY cOntrOl OPtIOn Note: This function is not available if contr oller is congur ed for heat pump. The standard air conditioning system can be adapted to perform dehumidication control by addition of a simple humidity controller that closes-on-rise, and is connected to terminals H1 and H2 on the main contro[...]

  • Page 11

    Manual 2100-571A Page 1 1 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 on – See Blower Operation), and the Stage 1 LE[...]

  • 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 on – See Blower Operation), and the Stage 1 LED[...]

  • Page 13

    Manual 2100-571A Page 13 of 31 sPecIFIca tIOns FOr OPtIOnal remOte cOmmunIca tIOn bOarD CB4000 COMMUNICA tION BOARD Note: if this communication boar d was not originally factory installed it can be eld-installed at anytime. Bar d part number is CB4000. it allows r emote access via Ethernet, depending upon level of authority assigned, to all func[...]

  • Page 14

    Manual 2100-571A Page 14 of 31 USER P AGE 1. The designated Admin person can assign up to 9 additional users and set-up as Admin, W rite 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 delete users and has access to all controller[...]

  • 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 congured 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 [...]

  • 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 HUMIDITY TERMINAL BLOCK R C Y F A 4 5 6 8 G MV4000 UNI[...]

  • 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 REM 2 REM 1 LOCAL AG H2 H1 CU AG CU AG CU F2 F1 C[...]

  • Page 18

    Manual 2100-571A Page 18 of 31 FIGure 3 mv4000-bc cOntrOller cOnnectIOns 1-st aGe (h**a/h**l serIes) aIr cOnDItIOners – nO ecOnOmIzer WIth alarm bOarD & cb4000 cOmmunIca tIOn 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 C NC 1-3 2-3 3-3 1 3 R ECON SHUTDOWN GEN [...]

  • Page 19

    Manual 2100-571A Page 19 of 31 FIGure 4 mv4000-bc cOntrOller cOnnectIOns 2-st aGe (ha*s/hl*s serIes) aIr cOnDItIOners – nO ecOnOmIzers WIth alarm bOarD & cb4000 cOmmunIca tIOn 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 C NC 1-3 2-3 3-3 1 3 R ECON SHUTDOWN GEN[...]

  • Page 20

    Manual 2100-571A Page 20 of 31 FIGure 5 mv4000-b cOntrOller cOnnectIOns 1-st aGe (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 CONTROLLER REM 2 REM 1 LOCAL AG H2 H1 CU AG CU AG[...]

  • 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-st aGe (h**a/h**l serIes) aIr cOnDItIOners WIth (ecOnWmt) ecOnOmIzers anD WIth alarm bOarD & cb4000 cOmmunIca tIOn 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 COMP RUN ALARM TERMINAL BLOCK G[...]

  • 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 capabilities can be utilized. When multiple alarms a[...]

  • Page 25

    Manual 2100-571A Page 25 of 31 2nD st aGe 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 conditioner some of the time. If this is the case, or[...]

  • Page 26

    Manual 2100-571A Page 26 of 31 FIGure 9 alarm bOarD cOnnectIOns FOr nOrmall Y clOseD "nc" OPen-On-alarm stra teGY IMPOR t ANt! LED display board is shipped loose to pr otect it fr om possible damage during installation of the wiring to main contr oller boar d and/or the alarm board. it is polarity sensitive and is keyed so it can only be [...]

  • Page 27

    Manual 2100-571A Page 27 of 31 FIGure 10 alarm bOarD cOnnectIOns FOr nOrmall Y OPen "nO" clOse-On-alarm stra teGY IMPOR t ANt! LED display board is shipped loose to pr otect it fr om possible damage during installation of the wiring to main contr oller boar d and/or the alarm board. it is polarity sensitive and is keyed so it can only be [...]

  • Page 28

    Manual 2100-571A Page 28 of 31 PrOGrammInG InstructIOns T o swap lead and lag unit positions, press the ADV ANCE button. T o 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 through the programming steps. A FLASHING display [...]

  • 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 1 1 P arts 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 1 13-456-4 Support Bracket X X 6 152-515-4 Control Box Door X X 7 861 1-099 L TF Fitting X X 8 5400-002 Hinge X X 9 861[...]